projects / GitHub / mt8127 / android_kernel_alcatel_ttab.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 | * | |
| 43db48d3 | 14 | * Author: Bill Dirks <bill@thedirks.org> |
| 1da177e4 LT |
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> | |
| 1da177e4 LT |
26 | #include <linux/mm.h> |
| 27 | #include <linux/fs.h> | |
| 28 | #include <linux/file.h> | |
| 29 | #include <linux/string.h> | |
| 30 | #include <linux/errno.h> | |
| 31 | #include <linux/slab.h> | |
| 32 | #include <linux/videodev.h> | |
| 5e87efa3 | 33 | #include <media/v4l2-common.h> |
| 1da177e4 LT |
34 | |
| 35 | #include <asm/uaccess.h> | |
| 36 | #include <asm/system.h> | |
| 37 | #include <asm/pgtable.h> | |
| 38 | ||
| 39 | #ifdef CONFIG_KMOD | |
| 40 | #include <linux/kmod.h> | |
| 41 | #endif | |
| 42 | ||
| 43 | static unsigned int debug = 0; | |
| 44 | module_param(debug, int, 0644); | |
| 45 | MODULE_PARM_DESC(debug,"enable debug messages"); | |
| 46 | MODULE_AUTHOR("Bill Dirks"); | |
| 47 | MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers."); | |
| 48 | MODULE_LICENSE("GPL"); | |
| 49 | ||
| 50 | #define dprintk(fmt, arg...) if (debug) \ | |
| 51 | printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg) | |
| 52 | ||
| 53 | /* | |
| 54 | * I O C T L T R A N S L A T I O N | |
| 55 | * | |
| 56 | * From here on down is the code for translating the numerous | |
| 57 | * ioctl commands from the old API to the new API. | |
| 58 | */ | |
| 59 | ||
| 60 | static int | |
| 61 | get_v4l_control(struct inode *inode, | |
| 62 | struct file *file, | |
| 63 | int cid, | |
| 64 | v4l2_kioctl drv) | |
| 65 | { | |
| 66 | struct v4l2_queryctrl qctrl2; | |
| 67 | struct v4l2_control ctrl2; | |
| 68 | int err; | |
| 69 | ||
| 70 | qctrl2.id = cid; | |
| 71 | err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); | |
| 72 | if (err < 0) | |
| 73 | dprintk("VIDIOC_QUERYCTRL: %d\n",err); | |
| 74 | if (err == 0 && | |
| 75 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) | |
| 76 | { | |
| 77 | ctrl2.id = qctrl2.id; | |
| 78 | err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2); | |
| 79 | if (err < 0) { | |
| 80 | dprintk("VIDIOC_G_CTRL: %d\n",err); | |
| 81 | return 0; | |
| 82 | } | |
| 83 | return ((ctrl2.value - qctrl2.minimum) * 65535 | |
| 84 | + (qctrl2.maximum - qctrl2.minimum) / 2) | |
| 85 | / (qctrl2.maximum - qctrl2.minimum); | |
| 86 | } | |
| 87 | return 0; | |
| 88 | } | |
| 89 | ||
| 90 | static int | |
| 91 | set_v4l_control(struct inode *inode, | |
| 92 | struct file *file, | |
| 93 | int cid, | |
| 94 | int value, | |
| 95 | v4l2_kioctl drv) | |
| 96 | { | |
| 97 | struct v4l2_queryctrl qctrl2; | |
| 98 | struct v4l2_control ctrl2; | |
| 99 | int err; | |
| 100 | ||
| 101 | qctrl2.id = cid; | |
| 102 | err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2); | |
| 103 | if (err < 0) | |
| 104 | dprintk("VIDIOC_QUERYCTRL: %d\n",err); | |
| 105 | if (err == 0 && | |
| 106 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) && | |
| 107 | !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) | |
| 108 | { | |
| 109 | if (value < 0) | |
| 110 | value = 0; | |
| 111 | if (value > 65535) | |
| 112 | value = 65535; | |
| 113 | if (value && qctrl2.type == V4L2_CTRL_TYPE_BOOLEAN) | |
| 114 | value = 65535; | |
| 115 | ctrl2.id = qctrl2.id; | |
| 116 | ctrl2.value = | |
| 117 | (value * (qctrl2.maximum - qctrl2.minimum) | |
| 118 | + 32767) | |
| 119 | / 65535; | |
| 120 | ctrl2.value += qctrl2.minimum; | |
| 121 | err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2); | |
| 122 | if (err < 0) | |
| 123 | dprintk("VIDIOC_S_CTRL: %d\n",err); | |
| 124 | } | |
| 125 | return 0; | |
| 126 | } | |
| 127 | ||
| 128 | /* ----------------------------------------------------------------- */ | |
| 129 | ||
| 5f12491c | 130 | const static unsigned int palette2pixelformat[] = { |
| 1da177e4 LT |
131 | [VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY, |
| 132 | [VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555, | |
| 133 | [VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565, | |
| 134 | [VIDEO_PALETTE_RGB24] = V4L2_PIX_FMT_BGR24, | |
| 135 | [VIDEO_PALETTE_RGB32] = V4L2_PIX_FMT_BGR32, | |
| 136 | /* yuv packed pixel */ | |
| 137 | [VIDEO_PALETTE_YUYV] = V4L2_PIX_FMT_YUYV, | |
| 138 | [VIDEO_PALETTE_YUV422] = V4L2_PIX_FMT_YUYV, | |
| 139 | [VIDEO_PALETTE_UYVY] = V4L2_PIX_FMT_UYVY, | |
| 140 | /* yuv planar */ | |
| 141 | [VIDEO_PALETTE_YUV410P] = V4L2_PIX_FMT_YUV410, | |
| 142 | [VIDEO_PALETTE_YUV420] = V4L2_PIX_FMT_YUV420, | |
| 143 | [VIDEO_PALETTE_YUV420P] = V4L2_PIX_FMT_YUV420, | |
| 144 | [VIDEO_PALETTE_YUV411P] = V4L2_PIX_FMT_YUV411P, | |
| 145 | [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P, | |
| 146 | }; | |
| 147 | ||
| 5f12491c | 148 | static unsigned int __attribute_pure__ |
| 1da177e4 LT |
149 | palette_to_pixelformat(unsigned int palette) |
| 150 | { | |
| 151 | if (palette < ARRAY_SIZE(palette2pixelformat)) | |
| 152 | return palette2pixelformat[palette]; | |
| 153 | else | |
| 154 | return 0; | |
| 155 | } | |
| 156 | ||
| 5f12491c TP |
157 | static unsigned int __attribute_const__ |
| 158 | pixelformat_to_palette(unsigned int pixelformat) | |
| 1da177e4 LT |
159 | { |
| 160 | int palette = 0; | |
| 161 | switch (pixelformat) | |
| 162 | { | |
| 163 | case V4L2_PIX_FMT_GREY: | |
| 164 | palette = VIDEO_PALETTE_GREY; | |
| 165 | break; | |
| 166 | case V4L2_PIX_FMT_RGB555: | |
| 167 | palette = VIDEO_PALETTE_RGB555; | |
| 168 | break; | |
| 169 | case V4L2_PIX_FMT_RGB565: | |
| 170 | palette = VIDEO_PALETTE_RGB565; | |
| 171 | break; | |
| 172 | case V4L2_PIX_FMT_BGR24: | |
| 173 | palette = VIDEO_PALETTE_RGB24; | |
| 174 | break; | |
| 175 | case V4L2_PIX_FMT_BGR32: | |
| 176 | palette = VIDEO_PALETTE_RGB32; | |
| 177 | break; | |
| 178 | /* yuv packed pixel */ | |
| 179 | case V4L2_PIX_FMT_YUYV: | |
| 180 | palette = VIDEO_PALETTE_YUYV; | |
| 181 | break; | |
| 182 | case V4L2_PIX_FMT_UYVY: | |
| 183 | palette = VIDEO_PALETTE_UYVY; | |
| 184 | break; | |
| 185 | /* yuv planar */ | |
| 186 | case V4L2_PIX_FMT_YUV410: | |
| 187 | palette = VIDEO_PALETTE_YUV420; | |
| 188 | break; | |
| 189 | case V4L2_PIX_FMT_YUV420: | |
| 190 | palette = VIDEO_PALETTE_YUV420; | |
| 191 | break; | |
| 192 | case V4L2_PIX_FMT_YUV411P: | |
| 193 | palette = VIDEO_PALETTE_YUV411P; | |
| 194 | break; | |
| 195 | case V4L2_PIX_FMT_YUV422P: | |
| 196 | palette = VIDEO_PALETTE_YUV422P; | |
| 197 | break; | |
| 198 | } | |
| 199 | return palette; | |
| 200 | } | |
| 201 | ||
| 202 | /* ----------------------------------------------------------------- */ | |
| 203 | ||
| 204 | static int poll_one(struct file *file) | |
| 205 | { | |
| 206 | int retval = 1; | |
| 207 | poll_table *table; | |
| 208 | struct poll_wqueues pwq; | |
| 209 | ||
| 210 | poll_initwait(&pwq); | |
| 211 | table = &pwq.pt; | |
| 212 | for (;;) { | |
| 213 | int mask; | |
| 214 | set_current_state(TASK_INTERRUPTIBLE); | |
| 215 | mask = file->f_op->poll(file, table); | |
| 216 | if (mask & POLLIN) | |
| 217 | break; | |
| 218 | table = NULL; | |
| 219 | if (signal_pending(current)) { | |
| 220 | retval = -ERESTARTSYS; | |
| 221 | break; | |
| 222 | } | |
| 223 | schedule(); | |
| 224 | } | |
| 225 | set_current_state(TASK_RUNNING); | |
| 226 | poll_freewait(&pwq); | |
| 227 | return retval; | |
| 228 | } | |
| 229 | ||
| 230 | static int count_inputs(struct inode *inode, | |
| 231 | struct file *file, | |
| 232 | v4l2_kioctl drv) | |
| 233 | { | |
| 234 | struct v4l2_input input2; | |
| 235 | int i; | |
| 236 | ||
| 237 | for (i = 0;; i++) { | |
| 238 | memset(&input2,0,sizeof(input2)); | |
| 239 | input2.index = i; | |
| 240 | if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2)) | |
| 241 | break; | |
| 242 | } | |
| 243 | return i; | |
| 244 | } | |
| 245 | ||
| 246 | static int check_size(struct inode *inode, | |
| 247 | struct file *file, | |
| 248 | v4l2_kioctl drv, | |
| 249 | int *maxw, int *maxh) | |
| 250 | { | |
| 251 | struct v4l2_fmtdesc desc2; | |
| 252 | struct v4l2_format fmt2; | |
| 253 | ||
| 254 | memset(&desc2,0,sizeof(desc2)); | |
| 255 | memset(&fmt2,0,sizeof(fmt2)); | |
| 256 | ||
| 257 | desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 258 | if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2)) | |
| 259 | goto done; | |
| 260 | ||
| 261 | fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 262 | fmt2.fmt.pix.width = 10000; | |
| 263 | fmt2.fmt.pix.height = 10000; | |
| 264 | fmt2.fmt.pix.pixelformat = desc2.pixelformat; | |
| 265 | if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2)) | |
| 266 | goto done; | |
| 267 | ||
| 268 | *maxw = fmt2.fmt.pix.width; | |
| 269 | *maxh = fmt2.fmt.pix.height; | |
| 270 | ||
| 271 | done: | |
| 272 | return 0; | |
| 273 | } | |
| 274 | ||
| 275 | /* ----------------------------------------------------------------- */ | |
| 276 | ||
| 277 | /* | |
| 278 | * This function is exported. | |
| 279 | */ | |
| 280 | int | |
| 281 | v4l_compat_translate_ioctl(struct inode *inode, | |
| 282 | struct file *file, | |
| 283 | int cmd, | |
| 284 | void *arg, | |
| 285 | v4l2_kioctl drv) | |
| 286 | { | |
| 287 | struct v4l2_capability *cap2 = NULL; | |
| 288 | struct v4l2_format *fmt2 = NULL; | |
| 289 | enum v4l2_buf_type captype = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 290 | ||
| 291 | struct v4l2_framebuffer fbuf2; | |
| 292 | struct v4l2_input input2; | |
| 293 | struct v4l2_tuner tun2; | |
| 294 | struct v4l2_standard std2; | |
| 295 | struct v4l2_frequency freq2; | |
| 296 | struct v4l2_audio aud2; | |
| 297 | struct v4l2_queryctrl qctrl2; | |
| 298 | struct v4l2_buffer buf2; | |
| 299 | v4l2_std_id sid; | |
| 300 | int i, err = 0; | |
| 301 | ||
| 302 | switch (cmd) { | |
| 303 | case VIDIOCGCAP: /* capability */ | |
| 304 | { | |
| 305 | struct video_capability *cap = arg; | |
| 306 | ||
| 7408187d | 307 | cap2 = kzalloc(sizeof(*cap2),GFP_KERNEL); |
| 1da177e4 | 308 | memset(cap, 0, sizeof(*cap)); |
| 1da177e4 LT |
309 | memset(&fbuf2, 0, sizeof(fbuf2)); |
| 310 | ||
| 311 | err = drv(inode, file, VIDIOC_QUERYCAP, cap2); | |
| 312 | if (err < 0) { | |
| 313 | dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err); | |
| 314 | break; | |
| 315 | } | |
| 316 | if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) { | |
| 317 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); | |
| 318 | if (err < 0) { | |
| 319 | dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err); | |
| 320 | memset(&fbuf2, 0, sizeof(fbuf2)); | |
| 321 | } | |
| 322 | err = 0; | |
| 323 | } | |
| 324 | ||
| 325 | memcpy(cap->name, cap2->card, | |
| 326 | min(sizeof(cap->name), sizeof(cap2->card))); | |
| 327 | cap->name[sizeof(cap->name) - 1] = 0; | |
| 328 | if (cap2->capabilities & V4L2_CAP_VIDEO_CAPTURE) | |
| 329 | cap->type |= VID_TYPE_CAPTURE; | |
| 330 | if (cap2->capabilities & V4L2_CAP_TUNER) | |
| 331 | cap->type |= VID_TYPE_TUNER; | |
| 332 | if (cap2->capabilities & V4L2_CAP_VBI_CAPTURE) | |
| 333 | cap->type |= VID_TYPE_TELETEXT; | |
| 334 | if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) | |
| 335 | cap->type |= VID_TYPE_OVERLAY; | |
| 336 | if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING) | |
| 337 | cap->type |= VID_TYPE_CLIPPING; | |
| 338 | ||
| 339 | cap->channels = count_inputs(inode,file,drv); | |
| 340 | check_size(inode,file,drv, | |
| 341 | &cap->maxwidth,&cap->maxheight); | |
| 342 | cap->audios = 0; /* FIXME */ | |
| 343 | cap->minwidth = 48; /* FIXME */ | |
| 344 | cap->minheight = 32; /* FIXME */ | |
| 345 | break; | |
| 346 | } | |
| 347 | case VIDIOCGFBUF: /* get frame buffer */ | |
| 348 | { | |
| 349 | struct video_buffer *buffer = arg; | |
| 350 | ||
| 37026278 | 351 | memset(buffer, 0, sizeof(*buffer)); |
| 499c1869 | 352 | memset(&fbuf2, 0, sizeof(fbuf2)); |
| 37026278 | 353 | |
| 1da177e4 LT |
354 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); |
| 355 | if (err < 0) { | |
| 356 | dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err); | |
| 357 | break; | |
| 358 | } | |
| 359 | buffer->base = fbuf2.base; | |
| 360 | buffer->height = fbuf2.fmt.height; | |
| 361 | buffer->width = fbuf2.fmt.width; | |
| 362 | ||
| 363 | switch (fbuf2.fmt.pixelformat) { | |
| 364 | case V4L2_PIX_FMT_RGB332: | |
| 365 | buffer->depth = 8; | |
| 37026278 | 366 | break; |
| 1da177e4 LT |
367 | case V4L2_PIX_FMT_RGB555: |
| 368 | buffer->depth = 15; | |
| 369 | break; | |
| 370 | case V4L2_PIX_FMT_RGB565: | |
| 371 | buffer->depth = 16; | |
| 372 | break; | |
| 373 | case V4L2_PIX_FMT_BGR24: | |
| 374 | buffer->depth = 24; | |
| 375 | break; | |
| 376 | case V4L2_PIX_FMT_BGR32: | |
| 377 | buffer->depth = 32; | |
| 378 | break; | |
| 379 | default: | |
| 380 | buffer->depth = 0; | |
| 381 | } | |
| 37026278 | 382 | if (fbuf2.fmt.bytesperline) { |
| 1da177e4 | 383 | buffer->bytesperline = fbuf2.fmt.bytesperline; |
| 37026278 MCC |
384 | if (!buffer->depth && buffer->width) |
| 385 | buffer->depth = ((fbuf2.fmt.bytesperline<<3) | |
| 386 | + (buffer->width-1) ) | |
| 387 | /buffer->width; | |
| 388 | } else { | |
| 1da177e4 LT |
389 | buffer->bytesperline = |
| 390 | (buffer->width * buffer->depth + 7) & 7; | |
| 391 | buffer->bytesperline >>= 3; | |
| 392 | } | |
| 393 | break; | |
| 394 | } | |
| 395 | case VIDIOCSFBUF: /* set frame buffer */ | |
| 396 | { | |
| 397 | struct video_buffer *buffer = arg; | |
| 398 | ||
| 399 | memset(&fbuf2, 0, sizeof(fbuf2)); | |
| 400 | fbuf2.base = buffer->base; | |
| 401 | fbuf2.fmt.height = buffer->height; | |
| 402 | fbuf2.fmt.width = buffer->width; | |
| 403 | switch (buffer->depth) { | |
| 404 | case 8: | |
| 405 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB332; | |
| 406 | break; | |
| 407 | case 15: | |
| 408 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB555; | |
| 409 | break; | |
| 410 | case 16: | |
| 411 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_RGB565; | |
| 412 | break; | |
| 413 | case 24: | |
| 414 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR24; | |
| 415 | break; | |
| 416 | case 32: | |
| 417 | fbuf2.fmt.pixelformat = V4L2_PIX_FMT_BGR32; | |
| 418 | break; | |
| 419 | } | |
| 420 | fbuf2.fmt.bytesperline = buffer->bytesperline; | |
| 421 | err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); | |
| 422 | if (err < 0) | |
| 423 | dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err); | |
| 424 | break; | |
| 425 | } | |
| 426 | case VIDIOCGWIN: /* get window or capture dimensions */ | |
| 427 | { | |
| 428 | struct video_window *win = arg; | |
| 429 | ||
| 7408187d | 430 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 | 431 | memset(win,0,sizeof(*win)); |
| 1da177e4 LT |
432 | |
| 433 | fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; | |
| 434 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 435 | if (err < 0) | |
| 436 | dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err); | |
| 437 | if (err == 0) { | |
| 438 | win->x = fmt2->fmt.win.w.left; | |
| 439 | win->y = fmt2->fmt.win.w.top; | |
| 440 | win->width = fmt2->fmt.win.w.width; | |
| 441 | win->height = fmt2->fmt.win.w.height; | |
| 442 | win->chromakey = fmt2->fmt.win.chromakey; | |
| 443 | win->clips = NULL; | |
| 444 | win->clipcount = 0; | |
| 445 | break; | |
| 446 | } | |
| 447 | ||
| 448 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 449 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 450 | if (err < 0) { | |
| 451 | dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err); | |
| 452 | break; | |
| 453 | } | |
| 454 | win->x = 0; | |
| 455 | win->y = 0; | |
| 456 | win->width = fmt2->fmt.pix.width; | |
| 457 | win->height = fmt2->fmt.pix.height; | |
| 458 | win->chromakey = 0; | |
| 459 | win->clips = NULL; | |
| 460 | win->clipcount = 0; | |
| 461 | break; | |
| 462 | } | |
| 463 | case VIDIOCSWIN: /* set window and/or capture dimensions */ | |
| 464 | { | |
| 465 | struct video_window *win = arg; | |
| 466 | int err1,err2; | |
| 467 | ||
| 7408187d | 468 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
469 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 470 | drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type); | |
| 471 | err1 = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 472 | if (err1 < 0) | |
| 473 | dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err); | |
| 474 | if (err1 == 0) { | |
| 475 | fmt2->fmt.pix.width = win->width; | |
| 476 | fmt2->fmt.pix.height = win->height; | |
| 477 | fmt2->fmt.pix.field = V4L2_FIELD_ANY; | |
| 478 | fmt2->fmt.pix.bytesperline = 0; | |
| 479 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 480 | if (err < 0) | |
| 481 | dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n", | |
| 482 | err); | |
| 483 | win->width = fmt2->fmt.pix.width; | |
| 484 | win->height = fmt2->fmt.pix.height; | |
| 485 | } | |
| 486 | ||
| 487 | memset(fmt2,0,sizeof(*fmt2)); | |
| 488 | fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY; | |
| 489 | fmt2->fmt.win.w.left = win->x; | |
| 490 | fmt2->fmt.win.w.top = win->y; | |
| 491 | fmt2->fmt.win.w.width = win->width; | |
| 492 | fmt2->fmt.win.w.height = win->height; | |
| 493 | fmt2->fmt.win.chromakey = win->chromakey; | |
| 494 | fmt2->fmt.win.clips = (void __user *)win->clips; | |
| 495 | fmt2->fmt.win.clipcount = win->clipcount; | |
| 496 | err2 = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 497 | if (err2 < 0) | |
| 498 | dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err); | |
| 499 | ||
| 500 | if (err1 != 0 && err2 != 0) | |
| 501 | err = err1; | |
| 502 | break; | |
| 503 | } | |
| 504 | case VIDIOCCAPTURE: /* turn on/off preview */ | |
| 505 | { | |
| 506 | int *on = arg; | |
| 507 | ||
| 508 | if (0 == *on) { | |
| 509 | /* dirty hack time. But v4l1 has no STREAMOFF | |
| 510 | * equivalent in the API, and this one at | |
| 511 | * least comes close ... */ | |
| 512 | drv(inode, file, VIDIOC_STREAMOFF, &captype); | |
| 513 | } | |
| 514 | err = drv(inode, file, VIDIOC_OVERLAY, arg); | |
| 515 | if (err < 0) | |
| 516 | dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err); | |
| 517 | break; | |
| 518 | } | |
| 519 | case VIDIOCGCHAN: /* get input information */ | |
| 520 | { | |
| 521 | struct video_channel *chan = arg; | |
| 522 | ||
| 523 | memset(&input2,0,sizeof(input2)); | |
| 524 | input2.index = chan->channel; | |
| 525 | err = drv(inode, file, VIDIOC_ENUMINPUT, &input2); | |
| 526 | if (err < 0) { | |
| 527 | dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: " | |
| 528 | "channel=%d err=%d\n",chan->channel,err); | |
| 529 | break; | |
| 530 | } | |
| 531 | chan->channel = input2.index; | |
| 532 | memcpy(chan->name, input2.name, | |
| 533 | min(sizeof(chan->name), sizeof(input2.name))); | |
| 534 | chan->name[sizeof(chan->name) - 1] = 0; | |
| 535 | chan->tuners = (input2.type == V4L2_INPUT_TYPE_TUNER) ? 1 : 0; | |
| 536 | chan->flags = (chan->tuners) ? VIDEO_VC_TUNER : 0; | |
| 537 | switch (input2.type) { | |
| 538 | case V4L2_INPUT_TYPE_TUNER: | |
| 539 | chan->type = VIDEO_TYPE_TV; | |
| 540 | break; | |
| 541 | default: | |
| 542 | case V4L2_INPUT_TYPE_CAMERA: | |
| 543 | chan->type = VIDEO_TYPE_CAMERA; | |
| 544 | break; | |
| 545 | } | |
| 546 | chan->norm = 0; | |
| 547 | err = drv(inode, file, VIDIOC_G_STD, &sid); | |
| 548 | if (err < 0) | |
| 549 | dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err); | |
| 550 | if (err == 0) { | |
| 551 | if (sid & V4L2_STD_PAL) | |
| 552 | chan->norm = VIDEO_MODE_PAL; | |
| 553 | if (sid & V4L2_STD_NTSC) | |
| 554 | chan->norm = VIDEO_MODE_NTSC; | |
| 555 | if (sid & V4L2_STD_SECAM) | |
| 556 | chan->norm = VIDEO_MODE_SECAM; | |
| 557 | } | |
| 558 | break; | |
| 559 | } | |
| 560 | case VIDIOCSCHAN: /* set input */ | |
| 561 | { | |
| 562 | struct video_channel *chan = arg; | |
| 563 | ||
| 564 | sid = 0; | |
| 565 | err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel); | |
| 566 | if (err < 0) | |
| 567 | dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err); | |
| 568 | switch (chan->norm) { | |
| 569 | case VIDEO_MODE_PAL: | |
| 570 | sid = V4L2_STD_PAL; | |
| 571 | break; | |
| 572 | case VIDEO_MODE_NTSC: | |
| 573 | sid = V4L2_STD_NTSC; | |
| 574 | break; | |
| 575 | case VIDEO_MODE_SECAM: | |
| 576 | sid = V4L2_STD_SECAM; | |
| 577 | break; | |
| 578 | } | |
| 579 | if (0 != sid) { | |
| 580 | err = drv(inode, file, VIDIOC_S_STD, &sid); | |
| 581 | if (err < 0) | |
| 582 | dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err); | |
| 583 | } | |
| 584 | break; | |
| 585 | } | |
| 586 | case VIDIOCGPICT: /* get tone controls & partial capture format */ | |
| 587 | { | |
| 588 | struct video_picture *pict = arg; | |
| 589 | ||
| 590 | pict->brightness = get_v4l_control(inode, file, | |
| 591 | V4L2_CID_BRIGHTNESS,drv); | |
| 592 | pict->hue = get_v4l_control(inode, file, | |
| 593 | V4L2_CID_HUE, drv); | |
| 594 | pict->contrast = get_v4l_control(inode, file, | |
| 595 | V4L2_CID_CONTRAST, drv); | |
| 596 | pict->colour = get_v4l_control(inode, file, | |
| 597 | V4L2_CID_SATURATION, drv); | |
| 598 | pict->whiteness = get_v4l_control(inode, file, | |
| 599 | V4L2_CID_WHITENESS, drv); | |
| 600 | ||
| 7408187d | 601 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
602 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 603 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 604 | if (err < 0) { | |
| 605 | dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err); | |
| 606 | break; | |
| 607 | } | |
| 8a016dcc MCC |
608 | |
| 609 | pict->depth = ((fmt2->fmt.pix.bytesperline<<3) | |
| 610 | + (fmt2->fmt.pix.width-1) ) | |
| 611 | /fmt2->fmt.pix.width; | |
| 1da177e4 LT |
612 | pict->palette = pixelformat_to_palette( |
| 613 | fmt2->fmt.pix.pixelformat); | |
| 614 | break; | |
| 615 | } | |
| 616 | case VIDIOCSPICT: /* set tone controls & partial capture format */ | |
| 617 | { | |
| 618 | struct video_picture *pict = arg; | |
| 499c1869 | 619 | memset(&fbuf2, 0, sizeof(fbuf2)); |
| 1da177e4 LT |
620 | |
| 621 | set_v4l_control(inode, file, | |
| 622 | V4L2_CID_BRIGHTNESS, pict->brightness, drv); | |
| 623 | set_v4l_control(inode, file, | |
| 624 | V4L2_CID_HUE, pict->hue, drv); | |
| 625 | set_v4l_control(inode, file, | |
| 626 | V4L2_CID_CONTRAST, pict->contrast, drv); | |
| 627 | set_v4l_control(inode, file, | |
| 628 | V4L2_CID_SATURATION, pict->colour, drv); | |
| 629 | set_v4l_control(inode, file, | |
| 630 | V4L2_CID_WHITENESS, pict->whiteness, drv); | |
| 631 | ||
| 7408187d | 632 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
633 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 634 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 635 | if (err < 0) | |
| 636 | dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err); | |
| 637 | if (fmt2->fmt.pix.pixelformat != | |
| 638 | palette_to_pixelformat(pict->palette)) { | |
| 639 | fmt2->fmt.pix.pixelformat = palette_to_pixelformat( | |
| 640 | pict->palette); | |
| 641 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 642 | if (err < 0) | |
| 643 | dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",err); | |
| 644 | } | |
| 645 | ||
| 646 | err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2); | |
| 647 | if (err < 0) | |
| 648 | dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err); | |
| 649 | if (fbuf2.fmt.pixelformat != | |
| 650 | palette_to_pixelformat(pict->palette)) { | |
| 651 | fbuf2.fmt.pixelformat = palette_to_pixelformat( | |
| 652 | pict->palette); | |
| 653 | err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2); | |
| 654 | if (err < 0) | |
| 655 | dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",err); | |
| 656 | err = 0; /* likely fails for non-root */ | |
| 657 | } | |
| 658 | break; | |
| 659 | } | |
| 660 | case VIDIOCGTUNER: /* get tuner information */ | |
| 661 | { | |
| 662 | struct video_tuner *tun = arg; | |
| 663 | ||
| 664 | memset(&tun2,0,sizeof(tun2)); | |
| 665 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); | |
| 666 | if (err < 0) { | |
| 667 | dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err); | |
| 668 | break; | |
| 669 | } | |
| 670 | memcpy(tun->name, tun2.name, | |
| 671 | min(sizeof(tun->name), sizeof(tun2.name))); | |
| 672 | tun->name[sizeof(tun->name) - 1] = 0; | |
| 673 | tun->rangelow = tun2.rangelow; | |
| 674 | tun->rangehigh = tun2.rangehigh; | |
| 675 | tun->flags = 0; | |
| 676 | tun->mode = VIDEO_MODE_AUTO; | |
| 677 | ||
| 678 | for (i = 0; i < 64; i++) { | |
| 679 | memset(&std2,0,sizeof(std2)); | |
| 680 | std2.index = i; | |
| 681 | if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2)) | |
| 682 | break; | |
| 683 | if (std2.id & V4L2_STD_PAL) | |
| 684 | tun->flags |= VIDEO_TUNER_PAL; | |
| 685 | if (std2.id & V4L2_STD_NTSC) | |
| 686 | tun->flags |= VIDEO_TUNER_NTSC; | |
| 687 | if (std2.id & V4L2_STD_SECAM) | |
| 688 | tun->flags |= VIDEO_TUNER_SECAM; | |
| 689 | } | |
| 690 | ||
| 691 | err = drv(inode, file, VIDIOC_G_STD, &sid); | |
| 692 | if (err < 0) | |
| 693 | dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err); | |
| 694 | if (err == 0) { | |
| 695 | if (sid & V4L2_STD_PAL) | |
| 696 | tun->mode = VIDEO_MODE_PAL; | |
| 697 | if (sid & V4L2_STD_NTSC) | |
| 698 | tun->mode = VIDEO_MODE_NTSC; | |
| 699 | if (sid & V4L2_STD_SECAM) | |
| 700 | tun->mode = VIDEO_MODE_SECAM; | |
| 701 | } | |
| 702 | ||
| 703 | if (tun2.capability & V4L2_TUNER_CAP_LOW) | |
| 704 | tun->flags |= VIDEO_TUNER_LOW; | |
| 705 | if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
| 706 | tun->flags |= VIDEO_TUNER_STEREO_ON; | |
| 707 | tun->signal = tun2.signal; | |
| 708 | break; | |
| 709 | } | |
| 710 | case VIDIOCSTUNER: /* select a tuner input */ | |
| 711 | { | |
| 2aa92ffd MCC |
712 | struct video_tuner *tun = arg; |
| 713 | struct v4l2_tuner t; | |
| 714 | memset(&t,0,sizeof(t)); | |
| 715 | ||
| 716 | t.index=tun->tuner; | |
| 717 | ||
| 718 | err = drv(inode, file, VIDIOC_S_INPUT, &t); | |
| 719 | if (err < 0) | |
| 720 | dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err); | |
| 721 | ||
| 1da177e4 LT |
722 | break; |
| 723 | } | |
| 724 | case VIDIOCGFREQ: /* get frequency */ | |
| 725 | { | |
| 376f269e | 726 | unsigned long *freq = arg; |
| c6aeb111 | 727 | memset(&freq2,0,sizeof(freq2)); |
| 1da177e4 LT |
728 | |
| 729 | freq2.tuner = 0; | |
| 730 | err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); | |
| 731 | if (err < 0) | |
| 732 | dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err); | |
| 733 | if (0 == err) | |
| 734 | *freq = freq2.frequency; | |
| 735 | break; | |
| 736 | } | |
| 737 | case VIDIOCSFREQ: /* set frequency */ | |
| 738 | { | |
| 376f269e | 739 | unsigned long *freq = arg; |
| c6aeb111 | 740 | memset(&freq2,0,sizeof(freq2)); |
| 1da177e4 | 741 | |
| 1da177e4 LT |
742 | drv(inode, file, VIDIOC_G_FREQUENCY, &freq2); |
| 743 | freq2.frequency = *freq; | |
| 744 | err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2); | |
| 745 | if (err < 0) | |
| 746 | dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err); | |
| 747 | break; | |
| 748 | } | |
| 749 | case VIDIOCGAUDIO: /* get audio properties/controls */ | |
| 750 | { | |
| 751 | struct video_audio *aud = arg; | |
| c6aeb111 | 752 | memset(&aud2,0,sizeof(aud2)); |
| 1da177e4 LT |
753 | |
| 754 | err = drv(inode, file, VIDIOC_G_AUDIO, &aud2); | |
| 755 | if (err < 0) { | |
| 756 | dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err); | |
| 757 | break; | |
| 758 | } | |
| 759 | memcpy(aud->name, aud2.name, | |
| 760 | min(sizeof(aud->name), sizeof(aud2.name))); | |
| 761 | aud->name[sizeof(aud->name) - 1] = 0; | |
| 762 | aud->audio = aud2.index; | |
| 763 | aud->flags = 0; | |
| 764 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv); | |
| 765 | if (i >= 0) { | |
| 766 | aud->volume = i; | |
| 767 | aud->flags |= VIDEO_AUDIO_VOLUME; | |
| 768 | } | |
| 769 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv); | |
| 770 | if (i >= 0) { | |
| 771 | aud->bass = i; | |
| 772 | aud->flags |= VIDEO_AUDIO_BASS; | |
| 773 | } | |
| 774 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv); | |
| 775 | if (i >= 0) { | |
| 776 | aud->treble = i; | |
| 777 | aud->flags |= VIDEO_AUDIO_TREBLE; | |
| 778 | } | |
| 779 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv); | |
| 780 | if (i >= 0) { | |
| 781 | aud->balance = i; | |
| 782 | aud->flags |= VIDEO_AUDIO_BALANCE; | |
| 783 | } | |
| 784 | i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv); | |
| 785 | if (i >= 0) { | |
| 786 | if (i) | |
| 787 | aud->flags |= VIDEO_AUDIO_MUTE; | |
| 788 | aud->flags |= VIDEO_AUDIO_MUTABLE; | |
| 789 | } | |
| 790 | aud->step = 1; | |
| 791 | qctrl2.id = V4L2_CID_AUDIO_VOLUME; | |
| 792 | if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 && | |
| 793 | !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) | |
| 794 | aud->step = qctrl2.step; | |
| 795 | aud->mode = 0; | |
| ac19ecc6 MCC |
796 | |
| 797 | memset(&tun2,0,sizeof(tun2)); | |
| 1da177e4 LT |
798 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); |
| 799 | if (err < 0) { | |
| 800 | dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err); | |
| 801 | err = 0; | |
| 802 | break; | |
| 803 | } | |
| ac19ecc6 | 804 | |
| 1da177e4 LT |
805 | if (tun2.rxsubchans & V4L2_TUNER_SUB_LANG2) |
| 806 | aud->mode = VIDEO_SOUND_LANG1 | VIDEO_SOUND_LANG2; | |
| 807 | else if (tun2.rxsubchans & V4L2_TUNER_SUB_STEREO) | |
| 808 | aud->mode = VIDEO_SOUND_STEREO; | |
| 809 | else if (tun2.rxsubchans & V4L2_TUNER_SUB_MONO) | |
| 810 | aud->mode = VIDEO_SOUND_MONO; | |
| 811 | break; | |
| 812 | } | |
| 813 | case VIDIOCSAUDIO: /* set audio controls */ | |
| 814 | { | |
| 815 | struct video_audio *aud = arg; | |
| 816 | ||
| 817 | memset(&aud2,0,sizeof(aud2)); | |
| 818 | memset(&tun2,0,sizeof(tun2)); | |
| 819 | ||
| 820 | aud2.index = aud->audio; | |
| 821 | err = drv(inode, file, VIDIOC_S_AUDIO, &aud2); | |
| 822 | if (err < 0) { | |
| 823 | dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err); | |
| 824 | break; | |
| 825 | } | |
| 826 | ||
| 827 | set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, | |
| 828 | aud->volume, drv); | |
| 829 | set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, | |
| 830 | aud->bass, drv); | |
| 831 | set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, | |
| 832 | aud->treble, drv); | |
| 833 | set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, | |
| 834 | aud->balance, drv); | |
| 835 | set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, | |
| 836 | !!(aud->flags & VIDEO_AUDIO_MUTE), drv); | |
| 837 | ||
| 838 | err = drv(inode, file, VIDIOC_G_TUNER, &tun2); | |
| 839 | if (err < 0) | |
| 840 | dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err); | |
| 841 | if (err == 0) { | |
| 842 | switch (aud->mode) { | |
| 843 | default: | |
| 844 | case VIDEO_SOUND_MONO: | |
| 845 | case VIDEO_SOUND_LANG1: | |
| 846 | tun2.audmode = V4L2_TUNER_MODE_MONO; | |
| 847 | break; | |
| 848 | case VIDEO_SOUND_STEREO: | |
| 849 | tun2.audmode = V4L2_TUNER_MODE_STEREO; | |
| 850 | break; | |
| 851 | case VIDEO_SOUND_LANG2: | |
| 852 | tun2.audmode = V4L2_TUNER_MODE_LANG2; | |
| 853 | break; | |
| 854 | } | |
| 855 | err = drv(inode, file, VIDIOC_S_TUNER, &tun2); | |
| 856 | if (err < 0) | |
| 857 | dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err); | |
| 858 | } | |
| 859 | err = 0; | |
| 860 | break; | |
| 861 | } | |
| 1da177e4 LT |
862 | case VIDIOCMCAPTURE: /* capture a frame */ |
| 863 | { | |
| 864 | struct video_mmap *mm = arg; | |
| 865 | ||
| 7408187d | 866 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 | 867 | memset(&buf2,0,sizeof(buf2)); |
| 1da177e4 LT |
868 | |
| 869 | fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 870 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 871 | if (err < 0) { | |
| 872 | dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err); | |
| 873 | break; | |
| 874 | } | |
| 875 | if (mm->width != fmt2->fmt.pix.width || | |
| 876 | mm->height != fmt2->fmt.pix.height || | |
| 877 | palette_to_pixelformat(mm->format) != | |
| 878 | fmt2->fmt.pix.pixelformat) | |
| 879 | {/* New capture format... */ | |
| 880 | fmt2->fmt.pix.width = mm->width; | |
| 881 | fmt2->fmt.pix.height = mm->height; | |
| 882 | fmt2->fmt.pix.pixelformat = | |
| 883 | palette_to_pixelformat(mm->format); | |
| 884 | fmt2->fmt.pix.field = V4L2_FIELD_ANY; | |
| 885 | fmt2->fmt.pix.bytesperline = 0; | |
| 886 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 887 | if (err < 0) { | |
| 888 | dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err); | |
| 889 | break; | |
| 890 | } | |
| 891 | } | |
| 892 | buf2.index = mm->frame; | |
| 893 | buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 894 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 895 | if (err < 0) { | |
| 896 | dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err); | |
| 897 | break; | |
| 898 | } | |
| 899 | err = drv(inode, file, VIDIOC_QBUF, &buf2); | |
| 900 | if (err < 0) { | |
| 901 | dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err); | |
| 902 | break; | |
| 903 | } | |
| 904 | err = drv(inode, file, VIDIOC_STREAMON, &captype); | |
| 905 | if (err < 0) | |
| 906 | dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err); | |
| 907 | break; | |
| 908 | } | |
| 909 | case VIDIOCSYNC: /* wait for a frame */ | |
| 910 | { | |
| 911 | int *i = arg; | |
| 912 | ||
| c6aeb111 | 913 | memset(&buf2,0,sizeof(buf2)); |
| 1da177e4 LT |
914 | buf2.index = *i; |
| 915 | buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
| 916 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 917 | if (err < 0) { | |
| 918 | /* No such buffer */ | |
| 919 | dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); | |
| 920 | break; | |
| 921 | } | |
| 922 | if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) { | |
| 923 | /* Buffer is not mapped */ | |
| 924 | err = -EINVAL; | |
| 925 | break; | |
| 926 | } | |
| 927 | ||
| 928 | /* make sure capture actually runs so we don't block forever */ | |
| 929 | err = drv(inode, file, VIDIOC_STREAMON, &captype); | |
| 930 | if (err < 0) { | |
| 931 | dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err); | |
| 932 | break; | |
| 933 | } | |
| 934 | ||
| 935 | /* Loop as long as the buffer is queued, but not done */ | |
| 936 | while ((buf2.flags & | |
| 937 | (V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE)) | |
| 938 | == V4L2_BUF_FLAG_QUEUED) | |
| 939 | { | |
| 940 | err = poll_one(file); | |
| 941 | if (err < 0 || /* error or sleep was interrupted */ | |
| 942 | err == 0) /* timeout? Shouldn't occur. */ | |
| 943 | break; | |
| 944 | err = drv(inode, file, VIDIOC_QUERYBUF, &buf2); | |
| 945 | if (err < 0) | |
| 946 | dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err); | |
| 947 | } | |
| 948 | if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */ | |
| 949 | break; | |
| 950 | do { | |
| 951 | err = drv(inode, file, VIDIOC_DQBUF, &buf2); | |
| 952 | if (err < 0) | |
| 953 | dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err); | |
| 954 | } while (err == 0 && buf2.index != *i); | |
| 955 | break; | |
| 956 | } | |
| 957 | ||
| 958 | case VIDIOCGVBIFMT: /* query VBI data capture format */ | |
| 959 | { | |
| 960 | struct vbi_format *fmt = arg; | |
| 961 | ||
| 7408187d | 962 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
963 | fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; |
| 964 | ||
| 965 | err = drv(inode, file, VIDIOC_G_FMT, fmt2); | |
| 966 | if (err < 0) { | |
| 967 | dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err); | |
| 968 | break; | |
| 969 | } | |
| 67f1570a MS |
970 | if (fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY) { |
| 971 | err = -EINVAL; | |
| 972 | break; | |
| 973 | } | |
| 1da177e4 LT |
974 | memset(fmt, 0, sizeof(*fmt)); |
| 975 | fmt->samples_per_line = fmt2->fmt.vbi.samples_per_line; | |
| 976 | fmt->sampling_rate = fmt2->fmt.vbi.sampling_rate; | |
| 977 | fmt->sample_format = VIDEO_PALETTE_RAW; | |
| 978 | fmt->start[0] = fmt2->fmt.vbi.start[0]; | |
| 979 | fmt->count[0] = fmt2->fmt.vbi.count[0]; | |
| 980 | fmt->start[1] = fmt2->fmt.vbi.start[1]; | |
| 981 | fmt->count[1] = fmt2->fmt.vbi.count[1]; | |
| 982 | fmt->flags = fmt2->fmt.vbi.flags & 0x03; | |
| 4ac97914 | 983 | break; |
| 1da177e4 LT |
984 | } |
| 985 | case VIDIOCSVBIFMT: | |
| 986 | { | |
| 987 | struct vbi_format *fmt = arg; | |
| 988 | ||
| 67f1570a MS |
989 | if (VIDEO_PALETTE_RAW != fmt->sample_format) { |
| 990 | err = -EINVAL; | |
| 991 | break; | |
| 992 | } | |
| 993 | ||
| 7408187d | 994 | fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL); |
| 1da177e4 LT |
995 | |
| 996 | fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
| 997 | fmt2->fmt.vbi.samples_per_line = fmt->samples_per_line; | |
| 998 | fmt2->fmt.vbi.sampling_rate = fmt->sampling_rate; | |
| 999 | fmt2->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
| 1000 | fmt2->fmt.vbi.start[0] = fmt->start[0]; | |
| 1001 | fmt2->fmt.vbi.count[0] = fmt->count[0]; | |
| 1002 | fmt2->fmt.vbi.start[1] = fmt->start[1]; | |
| 1003 | fmt2->fmt.vbi.count[1] = fmt->count[1]; | |
| 1004 | fmt2->fmt.vbi.flags = fmt->flags; | |
| 1005 | err = drv(inode, file, VIDIOC_TRY_FMT, fmt2); | |
| 1006 | if (err < 0) { | |
| 1007 | dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err); | |
| 1008 | break; | |
| 1009 | } | |
| 1010 | ||
| 1011 | if (fmt2->fmt.vbi.samples_per_line != fmt->samples_per_line || | |
| 1012 | fmt2->fmt.vbi.sampling_rate != fmt->sampling_rate || | |
| 67f1570a | 1013 | fmt2->fmt.vbi.sample_format != V4L2_PIX_FMT_GREY || |
| 1da177e4 LT |
1014 | fmt2->fmt.vbi.start[0] != fmt->start[0] || |
| 1015 | fmt2->fmt.vbi.count[0] != fmt->count[0] || | |
| 1016 | fmt2->fmt.vbi.start[1] != fmt->start[1] || | |
| 1017 | fmt2->fmt.vbi.count[1] != fmt->count[1] || | |
| 1018 | fmt2->fmt.vbi.flags != fmt->flags) { | |
| 1019 | err = -EINVAL; | |
| 1020 | break; | |
| 1021 | } | |
| 1022 | err = drv(inode, file, VIDIOC_S_FMT, fmt2); | |
| 1023 | if (err < 0) | |
| 1024 | dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err); | |
| 1025 | break; | |
| 1026 | } | |
| 1027 | ||
| 1028 | default: | |
| 1029 | err = -ENOIOCTLCMD; | |
| 1030 | break; | |
| 1031 | } | |
| 1032 | ||
| 2ea75330 JJ |
1033 | kfree(cap2); |
| 1034 | kfree(fmt2); | |
| 1da177e4 LT |
1035 | return err; |
| 1036 | } | |
| 1037 | ||
| 1038 | EXPORT_SYMBOL(v4l_compat_translate_ioctl); | |
| 1039 | ||
| 1040 | /* | |
| 1041 | * Local variables: | |
| 1042 | * c-basic-offset: 8 | |
| 1043 | * End: | |
| 1044 | */ |