Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 1 | /* Linux driver for Philips webcam |
| 2 | USB and Video4Linux interface part. |
| 3 | (C) 1999-2004 Nemosoft Unv. |
| 4 | (C) 2004-2006 Luc Saillard (luc@saillard.org) |
| 5 | |
| 6 | NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx |
| 7 | driver and thus may have bugs that are not present in the original version. |
| 8 | Please send bug reports and support requests to <luc@saillard.org>. |
| 9 | The decompression routines have been implemented by reverse-engineering the |
| 10 | Nemosoft binary pwcx module. Caveat emptor. |
| 11 | |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; either version 2 of the License, or |
| 15 | (at your option) any later version. |
| 16 | |
| 17 | This program is distributed in the hope that it will be useful, |
| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | GNU General Public License for more details. |
| 21 | |
| 22 | You should have received a copy of the GNU General Public License |
| 23 | along with this program; if not, write to the Free Software |
| 24 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 | |
| 26 | */ |
| 27 | |
| 28 | #include <linux/errno.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/mm.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/poll.h> |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 33 | #include <linux/vmalloc.h> |
| 34 | #include <asm/io.h> |
| 35 | |
| 36 | #include "pwc.h" |
| 37 | |
| 38 | static struct v4l2_queryctrl pwc_controls[] = { |
| 39 | { |
| 40 | .id = V4L2_CID_BRIGHTNESS, |
| 41 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 42 | .name = "Brightness", |
| 43 | .minimum = 0, |
| 44 | .maximum = 128, |
| 45 | .step = 1, |
| 46 | .default_value = 64, |
| 47 | }, |
| 48 | { |
| 49 | .id = V4L2_CID_CONTRAST, |
| 50 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 51 | .name = "Contrast", |
| 52 | .minimum = 0, |
| 53 | .maximum = 64, |
| 54 | .step = 1, |
| 55 | .default_value = 0, |
| 56 | }, |
| 57 | { |
| 58 | .id = V4L2_CID_SATURATION, |
| 59 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 60 | .name = "Saturation", |
| 61 | .minimum = -100, |
| 62 | .maximum = 100, |
| 63 | .step = 1, |
| 64 | .default_value = 0, |
| 65 | }, |
| 66 | { |
| 67 | .id = V4L2_CID_GAMMA, |
| 68 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 69 | .name = "Gamma", |
| 70 | .minimum = 0, |
| 71 | .maximum = 32, |
| 72 | .step = 1, |
| 73 | .default_value = 0, |
| 74 | }, |
| 75 | { |
| 76 | .id = V4L2_CID_RED_BALANCE, |
| 77 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 78 | .name = "Red Gain", |
| 79 | .minimum = 0, |
| 80 | .maximum = 256, |
| 81 | .step = 1, |
| 82 | .default_value = 0, |
| 83 | }, |
| 84 | { |
| 85 | .id = V4L2_CID_BLUE_BALANCE, |
| 86 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 87 | .name = "Blue Gain", |
| 88 | .minimum = 0, |
| 89 | .maximum = 256, |
| 90 | .step = 1, |
| 91 | .default_value = 0, |
| 92 | }, |
| 93 | { |
| 94 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| 95 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 96 | .name = "Auto White Balance", |
| 97 | .minimum = 0, |
| 98 | .maximum = 1, |
| 99 | .step = 1, |
| 100 | .default_value = 0, |
| 101 | }, |
| 102 | { |
| 103 | .id = V4L2_CID_EXPOSURE, |
| 104 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 105 | .name = "Shutter Speed (Exposure)", |
| 106 | .minimum = 0, |
| 107 | .maximum = 256, |
| 108 | .step = 1, |
| 109 | .default_value = 200, |
| 110 | }, |
| 111 | { |
| 112 | .id = V4L2_CID_AUTOGAIN, |
| 113 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 114 | .name = "Auto Gain Enabled", |
| 115 | .minimum = 0, |
| 116 | .maximum = 1, |
| 117 | .step = 1, |
| 118 | .default_value = 1, |
| 119 | }, |
| 120 | { |
| 121 | .id = V4L2_CID_GAIN, |
| 122 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 123 | .name = "Gain Level", |
| 124 | .minimum = 0, |
| 125 | .maximum = 256, |
| 126 | .step = 1, |
| 127 | .default_value = 0, |
| 128 | }, |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 129 | { |
| 130 | .id = V4L2_CID_PRIVATE_SAVE_USER, |
| 131 | .type = V4L2_CTRL_TYPE_BUTTON, |
| 132 | .name = "Save User Settings", |
| 133 | .minimum = 0, |
| 134 | .maximum = 0, |
| 135 | .step = 0, |
| 136 | .default_value = 0, |
| 137 | }, |
| 138 | { |
| 139 | .id = V4L2_CID_PRIVATE_RESTORE_USER, |
| 140 | .type = V4L2_CTRL_TYPE_BUTTON, |
| 141 | .name = "Restore User Settings", |
| 142 | .minimum = 0, |
| 143 | .maximum = 0, |
| 144 | .step = 0, |
| 145 | .default_value = 0, |
| 146 | }, |
| 147 | { |
| 148 | .id = V4L2_CID_PRIVATE_RESTORE_FACTORY, |
| 149 | .type = V4L2_CTRL_TYPE_BUTTON, |
| 150 | .name = "Restore Factory Settings", |
| 151 | .minimum = 0, |
| 152 | .maximum = 0, |
| 153 | .step = 0, |
| 154 | .default_value = 0, |
| 155 | }, |
| 156 | { |
| 157 | .id = V4L2_CID_PRIVATE_COLOUR_MODE, |
| 158 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 159 | .name = "Colour mode", |
| 160 | .minimum = 0, |
| 161 | .maximum = 1, |
| 162 | .step = 1, |
| 163 | .default_value = 0, |
| 164 | }, |
| 165 | { |
| 166 | .id = V4L2_CID_PRIVATE_AUTOCONTOUR, |
| 167 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 168 | .name = "Auto contour", |
| 169 | .minimum = 0, |
| 170 | .maximum = 1, |
| 171 | .step = 1, |
| 172 | .default_value = 0, |
| 173 | }, |
| 174 | { |
| 175 | .id = V4L2_CID_PRIVATE_CONTOUR, |
| 176 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 177 | .name = "Contour", |
| 178 | .minimum = 0, |
| 179 | .maximum = 63, |
| 180 | .step = 1, |
| 181 | .default_value = 0, |
| 182 | }, |
| 183 | { |
| 184 | .id = V4L2_CID_PRIVATE_BACKLIGHT, |
| 185 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 186 | .name = "Backlight compensation", |
| 187 | .minimum = 0, |
| 188 | .maximum = 1, |
| 189 | .step = 1, |
| 190 | .default_value = 0, |
| 191 | }, |
| 192 | { |
| 193 | .id = V4L2_CID_PRIVATE_FLICKERLESS, |
| 194 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 195 | .name = "Flickerless", |
| 196 | .minimum = 0, |
| 197 | .maximum = 1, |
| 198 | .step = 1, |
| 199 | .default_value = 0, |
| 200 | }, |
| 201 | { |
| 202 | .id = V4L2_CID_PRIVATE_NOISE_REDUCTION, |
| 203 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 204 | .name = "Noise reduction", |
| 205 | .minimum = 0, |
| 206 | .maximum = 3, |
| 207 | .step = 1, |
| 208 | .default_value = 0, |
| 209 | }, |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 210 | }; |
| 211 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 212 | |
| 213 | static void pwc_vidioc_fill_fmt(const struct pwc_device *pdev, struct v4l2_format *f) |
| 214 | { |
| 215 | memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format)); |
| 216 | f->fmt.pix.width = pdev->view.x; |
| 217 | f->fmt.pix.height = pdev->view.y; |
| 218 | f->fmt.pix.field = V4L2_FIELD_NONE; |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 219 | if (pdev->pixfmt == V4L2_PIX_FMT_YUV420) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 220 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420; |
| 221 | f->fmt.pix.bytesperline = (f->fmt.pix.width * 3)/2; |
| 222 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; |
| 223 | } else { |
| 224 | /* vbandlength contains 4 lines ... */ |
| 225 | f->fmt.pix.bytesperline = pdev->vbandlength/4; |
| 226 | f->fmt.pix.sizeimage = pdev->frame_size + sizeof(struct pwc_raw_frame); |
| 227 | if (DEVICE_USE_CODEC1(pdev->type)) |
| 228 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_PWC1; |
| 229 | else |
| 230 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_PWC2; |
| 231 | } |
| 232 | PWC_DEBUG_IOCTL("pwc_vidioc_fill_fmt() " |
| 233 | "width=%d, height=%d, bytesperline=%d, sizeimage=%d, pixelformat=%c%c%c%c\n", |
| 234 | f->fmt.pix.width, |
| 235 | f->fmt.pix.height, |
| 236 | f->fmt.pix.bytesperline, |
| 237 | f->fmt.pix.sizeimage, |
| 238 | (f->fmt.pix.pixelformat)&255, |
| 239 | (f->fmt.pix.pixelformat>>8)&255, |
| 240 | (f->fmt.pix.pixelformat>>16)&255, |
| 241 | (f->fmt.pix.pixelformat>>24)&255); |
| 242 | } |
| 243 | |
| 244 | /* ioctl(VIDIOC_TRY_FMT) */ |
| 245 | static int pwc_vidioc_try_fmt(struct pwc_device *pdev, struct v4l2_format *f) |
| 246 | { |
| 247 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 248 | PWC_DEBUG_IOCTL("Bad video type must be V4L2_BUF_TYPE_VIDEO_CAPTURE\n"); |
| 249 | return -EINVAL; |
| 250 | } |
| 251 | |
| 252 | switch (f->fmt.pix.pixelformat) { |
| 253 | case V4L2_PIX_FMT_YUV420: |
| 254 | break; |
| 255 | case V4L2_PIX_FMT_PWC1: |
| 256 | if (DEVICE_USE_CODEC23(pdev->type)) { |
| 257 | PWC_DEBUG_IOCTL("codec1 is only supported for old pwc webcam\n"); |
| 258 | return -EINVAL; |
| 259 | } |
| 260 | break; |
| 261 | case V4L2_PIX_FMT_PWC2: |
| 262 | if (DEVICE_USE_CODEC1(pdev->type)) { |
| 263 | PWC_DEBUG_IOCTL("codec23 is only supported for new pwc webcam\n"); |
| 264 | return -EINVAL; |
| 265 | } |
| 266 | break; |
| 267 | default: |
| 268 | PWC_DEBUG_IOCTL("Unsupported pixel format\n"); |
| 269 | return -EINVAL; |
| 270 | |
| 271 | } |
| 272 | |
| 273 | if (f->fmt.pix.width > pdev->view_max.x) |
| 274 | f->fmt.pix.width = pdev->view_max.x; |
| 275 | else if (f->fmt.pix.width < pdev->view_min.x) |
| 276 | f->fmt.pix.width = pdev->view_min.x; |
| 277 | |
| 278 | if (f->fmt.pix.height > pdev->view_max.y) |
| 279 | f->fmt.pix.height = pdev->view_max.y; |
| 280 | else if (f->fmt.pix.height < pdev->view_min.y) |
| 281 | f->fmt.pix.height = pdev->view_min.y; |
| 282 | |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | /* ioctl(VIDIOC_SET_FMT) */ |
| 287 | static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) |
| 288 | { |
| 289 | int ret, fps, snapshot, compression, pixelformat; |
| 290 | |
| 291 | ret = pwc_vidioc_try_fmt(pdev, f); |
| 292 | if (ret<0) |
| 293 | return ret; |
| 294 | |
| 295 | pixelformat = f->fmt.pix.pixelformat; |
| 296 | compression = pdev->vcompression; |
| 297 | snapshot = 0; |
| 298 | fps = pdev->vframes; |
| 299 | if (f->fmt.pix.priv) { |
| 300 | compression = (f->fmt.pix.priv & PWC_QLT_MASK) >> PWC_QLT_SHIFT; |
| 301 | snapshot = !!(f->fmt.pix.priv & PWC_FPS_SNAPSHOT); |
| 302 | fps = (f->fmt.pix.priv & PWC_FPS_FRMASK) >> PWC_FPS_SHIFT; |
| 303 | if (fps == 0) |
| 304 | fps = pdev->vframes; |
| 305 | } |
| 306 | |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 307 | if (pixelformat != V4L2_PIX_FMT_YUV420 && |
| 308 | pixelformat != V4L2_PIX_FMT_PWC1 && |
| 309 | pixelformat != V4L2_PIX_FMT_PWC2) |
| 310 | return -EINVAL; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 311 | |
Hans de Goede | 3751e28 | 2010-11-16 11:39:25 -0300 | [diff] [blame] | 312 | if (pdev->iso_init) |
| 313 | return -EBUSY; |
| 314 | |
| 315 | PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d " |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 316 | "compression=%d snapshot=%d format=%c%c%c%c\n", |
| 317 | f->fmt.pix.width, f->fmt.pix.height, fps, |
| 318 | compression, snapshot, |
| 319 | (pixelformat)&255, |
| 320 | (pixelformat>>8)&255, |
| 321 | (pixelformat>>16)&255, |
| 322 | (pixelformat>>24)&255); |
| 323 | |
Hans de Goede | 3751e28 | 2010-11-16 11:39:25 -0300 | [diff] [blame] | 324 | ret = pwc_set_video_mode(pdev, |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 325 | f->fmt.pix.width, |
| 326 | f->fmt.pix.height, |
| 327 | fps, |
| 328 | compression, |
| 329 | snapshot); |
| 330 | |
Hans de Goede | 3751e28 | 2010-11-16 11:39:25 -0300 | [diff] [blame] | 331 | PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 332 | |
| 333 | if (ret) |
| 334 | return ret; |
| 335 | |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 336 | pdev->pixfmt = pixelformat; |
| 337 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 338 | pwc_vidioc_fill_fmt(pdev, f); |
| 339 | |
| 340 | return 0; |
| 341 | |
| 342 | } |
| 343 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 344 | long pwc_video_do_ioctl(struct file *file, unsigned int cmd, void *arg) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 345 | { |
| 346 | struct video_device *vdev = video_devdata(file); |
| 347 | struct pwc_device *pdev; |
| 348 | DECLARE_WAITQUEUE(wait, current); |
| 349 | |
| 350 | if (vdev == NULL) |
| 351 | return -EFAULT; |
Hans Verkuil | 601e944 | 2008-08-23 07:24:07 -0300 | [diff] [blame] | 352 | pdev = video_get_drvdata(vdev); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 353 | if (pdev == NULL) |
| 354 | return -EFAULT; |
| 355 | |
Trent Piepho | 05ad390 | 2007-01-30 23:26:01 -0300 | [diff] [blame] | 356 | #ifdef CONFIG_USB_PWC_DEBUG |
Mauro Carvalho Chehab | 5e28e009 | 2008-04-13 15:06:24 -0300 | [diff] [blame] | 357 | if (PWC_DEBUG_LEVEL_IOCTL & pwc_trace) { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 358 | v4l_printk_ioctl(cmd); |
Mauro Carvalho Chehab | 5e28e009 | 2008-04-13 15:06:24 -0300 | [diff] [blame] | 359 | printk("\n"); |
| 360 | } |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 361 | #endif |
| 362 | |
| 363 | |
| 364 | switch (cmd) { |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 365 | /* V4L2 Layer */ |
| 366 | case VIDIOC_QUERYCAP: |
| 367 | { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 368 | struct v4l2_capability *cap = arg; |
| 369 | |
| 370 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCAP) This application "\ |
| 371 | "try to use the v4l2 layer\n"); |
| 372 | strcpy(cap->driver,PWC_NAME); |
| 373 | strlcpy(cap->card, vdev->name, sizeof(cap->card)); |
| 374 | usb_make_path(pdev->udev,cap->bus_info,sizeof(cap->bus_info)); |
| 375 | cap->version = PWC_VERSION_CODE; |
| 376 | cap->capabilities = |
| 377 | V4L2_CAP_VIDEO_CAPTURE | |
| 378 | V4L2_CAP_STREAMING | |
| 379 | V4L2_CAP_READWRITE; |
| 380 | return 0; |
| 381 | } |
| 382 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 383 | case VIDIOC_ENUMINPUT: |
| 384 | { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 385 | struct v4l2_input *i = arg; |
| 386 | |
| 387 | if ( i->index ) /* Only one INPUT is supported */ |
| 388 | return -EINVAL; |
| 389 | |
| 390 | memset(i, 0, sizeof(struct v4l2_input)); |
| 391 | strcpy(i->name, "usb"); |
| 392 | return 0; |
| 393 | } |
| 394 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 395 | case VIDIOC_G_INPUT: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 396 | { |
| 397 | int *i = arg; |
| 398 | *i = 0; /* Only one INPUT is supported */ |
| 399 | return 0; |
| 400 | } |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 401 | case VIDIOC_S_INPUT: |
| 402 | { |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 403 | int *i = arg; |
| 404 | |
| 405 | if ( *i ) { /* Only one INPUT is supported */ |
| 406 | PWC_DEBUG_IOCTL("Only one input source is"\ |
| 407 | " supported with this webcam.\n"); |
| 408 | return -EINVAL; |
| 409 | } |
| 410 | return 0; |
| 411 | } |
| 412 | |
| 413 | /* TODO: */ |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 414 | case VIDIOC_QUERYCTRL: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 415 | { |
| 416 | struct v4l2_queryctrl *c = arg; |
| 417 | int i; |
| 418 | |
| 419 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) query id=%d\n", c->id); |
| 420 | for (i=0; i<sizeof(pwc_controls)/sizeof(struct v4l2_queryctrl); i++) { |
| 421 | if (pwc_controls[i].id == c->id) { |
| 422 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) found\n"); |
| 423 | memcpy(c,&pwc_controls[i],sizeof(struct v4l2_queryctrl)); |
| 424 | return 0; |
| 425 | } |
| 426 | } |
| 427 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) not found\n"); |
| 428 | |
| 429 | return -EINVAL; |
| 430 | } |
| 431 | case VIDIOC_G_CTRL: |
| 432 | { |
| 433 | struct v4l2_control *c = arg; |
| 434 | int ret; |
| 435 | |
| 436 | switch (c->id) |
| 437 | { |
| 438 | case V4L2_CID_BRIGHTNESS: |
| 439 | c->value = pwc_get_brightness(pdev); |
| 440 | if (c->value<0) |
| 441 | return -EINVAL; |
| 442 | return 0; |
| 443 | case V4L2_CID_CONTRAST: |
| 444 | c->value = pwc_get_contrast(pdev); |
| 445 | if (c->value<0) |
| 446 | return -EINVAL; |
| 447 | return 0; |
| 448 | case V4L2_CID_SATURATION: |
| 449 | ret = pwc_get_saturation(pdev, &c->value); |
| 450 | if (ret<0) |
| 451 | return -EINVAL; |
| 452 | return 0; |
| 453 | case V4L2_CID_GAMMA: |
| 454 | c->value = pwc_get_gamma(pdev); |
| 455 | if (c->value<0) |
| 456 | return -EINVAL; |
| 457 | return 0; |
| 458 | case V4L2_CID_RED_BALANCE: |
| 459 | ret = pwc_get_red_gain(pdev, &c->value); |
| 460 | if (ret<0) |
| 461 | return -EINVAL; |
| 462 | c->value >>= 8; |
| 463 | return 0; |
| 464 | case V4L2_CID_BLUE_BALANCE: |
| 465 | ret = pwc_get_blue_gain(pdev, &c->value); |
| 466 | if (ret<0) |
| 467 | return -EINVAL; |
| 468 | c->value >>= 8; |
| 469 | return 0; |
| 470 | case V4L2_CID_AUTO_WHITE_BALANCE: |
| 471 | ret = pwc_get_awb(pdev); |
| 472 | if (ret<0) |
| 473 | return -EINVAL; |
| 474 | c->value = (ret == PWC_WB_MANUAL)?0:1; |
| 475 | return 0; |
| 476 | case V4L2_CID_GAIN: |
| 477 | ret = pwc_get_agc(pdev, &c->value); |
| 478 | if (ret<0) |
| 479 | return -EINVAL; |
| 480 | c->value >>= 8; |
| 481 | return 0; |
| 482 | case V4L2_CID_AUTOGAIN: |
| 483 | ret = pwc_get_agc(pdev, &c->value); |
| 484 | if (ret<0) |
| 485 | return -EINVAL; |
| 486 | c->value = (c->value < 0)?1:0; |
| 487 | return 0; |
| 488 | case V4L2_CID_EXPOSURE: |
| 489 | ret = pwc_get_shutter_speed(pdev, &c->value); |
| 490 | if (ret<0) |
| 491 | return -EINVAL; |
| 492 | return 0; |
| 493 | case V4L2_CID_PRIVATE_COLOUR_MODE: |
| 494 | ret = pwc_get_colour_mode(pdev, &c->value); |
| 495 | if (ret < 0) |
| 496 | return -EINVAL; |
| 497 | return 0; |
| 498 | case V4L2_CID_PRIVATE_AUTOCONTOUR: |
| 499 | ret = pwc_get_contour(pdev, &c->value); |
| 500 | if (ret < 0) |
| 501 | return -EINVAL; |
| 502 | c->value=(c->value == -1?1:0); |
| 503 | return 0; |
| 504 | case V4L2_CID_PRIVATE_CONTOUR: |
| 505 | ret = pwc_get_contour(pdev, &c->value); |
| 506 | if (ret < 0) |
| 507 | return -EINVAL; |
| 508 | c->value >>= 10; |
| 509 | return 0; |
| 510 | case V4L2_CID_PRIVATE_BACKLIGHT: |
| 511 | ret = pwc_get_backlight(pdev, &c->value); |
| 512 | if (ret < 0) |
| 513 | return -EINVAL; |
| 514 | return 0; |
| 515 | case V4L2_CID_PRIVATE_FLICKERLESS: |
| 516 | ret = pwc_get_flicker(pdev, &c->value); |
| 517 | if (ret < 0) |
| 518 | return -EINVAL; |
| 519 | c->value=(c->value?1:0); |
| 520 | return 0; |
| 521 | case V4L2_CID_PRIVATE_NOISE_REDUCTION: |
| 522 | ret = pwc_get_dynamic_noise(pdev, &c->value); |
| 523 | if (ret < 0) |
| 524 | return -EINVAL; |
| 525 | return 0; |
| 526 | |
| 527 | case V4L2_CID_PRIVATE_SAVE_USER: |
| 528 | case V4L2_CID_PRIVATE_RESTORE_USER: |
| 529 | case V4L2_CID_PRIVATE_RESTORE_FACTORY: |
| 530 | return -EINVAL; |
| 531 | } |
| 532 | return -EINVAL; |
| 533 | } |
| 534 | case VIDIOC_S_CTRL: |
| 535 | { |
| 536 | struct v4l2_control *c = arg; |
| 537 | int ret; |
| 538 | |
| 539 | switch (c->id) |
| 540 | { |
| 541 | case V4L2_CID_BRIGHTNESS: |
| 542 | c->value <<= 9; |
| 543 | ret = pwc_set_brightness(pdev, c->value); |
| 544 | if (ret<0) |
| 545 | return -EINVAL; |
| 546 | return 0; |
| 547 | case V4L2_CID_CONTRAST: |
| 548 | c->value <<= 10; |
| 549 | ret = pwc_set_contrast(pdev, c->value); |
| 550 | if (ret<0) |
| 551 | return -EINVAL; |
| 552 | return 0; |
| 553 | case V4L2_CID_SATURATION: |
| 554 | ret = pwc_set_saturation(pdev, c->value); |
| 555 | if (ret<0) |
| 556 | return -EINVAL; |
| 557 | return 0; |
| 558 | case V4L2_CID_GAMMA: |
| 559 | c->value <<= 11; |
| 560 | ret = pwc_set_gamma(pdev, c->value); |
| 561 | if (ret<0) |
| 562 | return -EINVAL; |
| 563 | return 0; |
| 564 | case V4L2_CID_RED_BALANCE: |
| 565 | c->value <<= 8; |
| 566 | ret = pwc_set_red_gain(pdev, c->value); |
| 567 | if (ret<0) |
| 568 | return -EINVAL; |
| 569 | return 0; |
| 570 | case V4L2_CID_BLUE_BALANCE: |
| 571 | c->value <<= 8; |
| 572 | ret = pwc_set_blue_gain(pdev, c->value); |
| 573 | if (ret<0) |
| 574 | return -EINVAL; |
| 575 | return 0; |
| 576 | case V4L2_CID_AUTO_WHITE_BALANCE: |
| 577 | c->value = (c->value == 0)?PWC_WB_MANUAL:PWC_WB_AUTO; |
| 578 | ret = pwc_set_awb(pdev, c->value); |
| 579 | if (ret<0) |
| 580 | return -EINVAL; |
| 581 | return 0; |
| 582 | case V4L2_CID_EXPOSURE: |
| 583 | c->value <<= 8; |
| 584 | ret = pwc_set_shutter_speed(pdev, c->value?0:1, c->value); |
| 585 | if (ret<0) |
| 586 | return -EINVAL; |
| 587 | return 0; |
| 588 | case V4L2_CID_AUTOGAIN: |
| 589 | /* autogain off means nothing without a gain */ |
| 590 | if (c->value == 0) |
| 591 | return 0; |
| 592 | ret = pwc_set_agc(pdev, c->value, 0); |
| 593 | if (ret<0) |
| 594 | return -EINVAL; |
| 595 | return 0; |
| 596 | case V4L2_CID_GAIN: |
| 597 | c->value <<= 8; |
| 598 | ret = pwc_set_agc(pdev, 0, c->value); |
| 599 | if (ret<0) |
| 600 | return -EINVAL; |
| 601 | return 0; |
| 602 | case V4L2_CID_PRIVATE_SAVE_USER: |
| 603 | if (pwc_save_user(pdev)) |
| 604 | return -EINVAL; |
| 605 | return 0; |
| 606 | case V4L2_CID_PRIVATE_RESTORE_USER: |
| 607 | if (pwc_restore_user(pdev)) |
| 608 | return -EINVAL; |
| 609 | return 0; |
| 610 | case V4L2_CID_PRIVATE_RESTORE_FACTORY: |
| 611 | if (pwc_restore_factory(pdev)) |
| 612 | return -EINVAL; |
| 613 | return 0; |
| 614 | case V4L2_CID_PRIVATE_COLOUR_MODE: |
| 615 | ret = pwc_set_colour_mode(pdev, c->value); |
| 616 | if (ret < 0) |
| 617 | return -EINVAL; |
| 618 | return 0; |
| 619 | case V4L2_CID_PRIVATE_AUTOCONTOUR: |
| 620 | c->value=(c->value == 1)?-1:0; |
| 621 | ret = pwc_set_contour(pdev, c->value); |
| 622 | if (ret < 0) |
| 623 | return -EINVAL; |
| 624 | return 0; |
| 625 | case V4L2_CID_PRIVATE_CONTOUR: |
| 626 | c->value <<= 10; |
| 627 | ret = pwc_set_contour(pdev, c->value); |
| 628 | if (ret < 0) |
| 629 | return -EINVAL; |
| 630 | return 0; |
| 631 | case V4L2_CID_PRIVATE_BACKLIGHT: |
| 632 | ret = pwc_set_backlight(pdev, c->value); |
| 633 | if (ret < 0) |
| 634 | return -EINVAL; |
| 635 | return 0; |
| 636 | case V4L2_CID_PRIVATE_FLICKERLESS: |
| 637 | ret = pwc_set_flicker(pdev, c->value); |
| 638 | if (ret < 0) |
| 639 | return -EINVAL; |
| 640 | case V4L2_CID_PRIVATE_NOISE_REDUCTION: |
| 641 | ret = pwc_set_dynamic_noise(pdev, c->value); |
| 642 | if (ret < 0) |
| 643 | return -EINVAL; |
| 644 | return 0; |
| 645 | |
| 646 | } |
| 647 | return -EINVAL; |
| 648 | } |
| 649 | |
| 650 | case VIDIOC_ENUM_FMT: |
| 651 | { |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 652 | struct v4l2_fmtdesc *f = arg; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 653 | int index; |
| 654 | |
| 655 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 656 | return -EINVAL; |
| 657 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 658 | /* We only support two format: the raw format, and YUV */ |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 659 | index = f->index; |
| 660 | memset(f,0,sizeof(struct v4l2_fmtdesc)); |
| 661 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 662 | f->index = index; |
| 663 | switch(index) |
| 664 | { |
| 665 | case 0: |
| 666 | /* RAW format */ |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 667 | f->pixelformat = pdev->type<=646?V4L2_PIX_FMT_PWC1:V4L2_PIX_FMT_PWC2; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 668 | f->flags = V4L2_FMT_FLAG_COMPRESSED; |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 669 | strlcpy(f->description,"Raw Philips Webcam",sizeof(f->description)); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 670 | break; |
| 671 | case 1: |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 672 | f->pixelformat = V4L2_PIX_FMT_YUV420; |
| 673 | strlcpy(f->description,"4:2:0, planar, Y-Cb-Cr",sizeof(f->description)); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 674 | break; |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 675 | default: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 676 | return -EINVAL; |
| 677 | } |
| 678 | return 0; |
| 679 | } |
| 680 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 681 | case VIDIOC_G_FMT: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 682 | { |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 683 | struct v4l2_format *f = arg; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 684 | |
| 685 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_G_FMT) return size %dx%d\n",pdev->image.x,pdev->image.y); |
| 686 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 687 | return -EINVAL; |
| 688 | |
| 689 | pwc_vidioc_fill_fmt(pdev, f); |
| 690 | |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | case VIDIOC_TRY_FMT: |
| 695 | return pwc_vidioc_try_fmt(pdev, arg); |
| 696 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 697 | case VIDIOC_S_FMT: |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 698 | return pwc_vidioc_set_fmt(pdev, arg); |
| 699 | |
| 700 | case VIDIOC_G_STD: |
| 701 | { |
| 702 | v4l2_std_id *std = arg; |
| 703 | *std = V4L2_STD_UNKNOWN; |
| 704 | return 0; |
| 705 | } |
| 706 | |
| 707 | case VIDIOC_S_STD: |
| 708 | { |
| 709 | v4l2_std_id *std = arg; |
| 710 | if (*std != V4L2_STD_UNKNOWN) |
| 711 | return -EINVAL; |
| 712 | return 0; |
| 713 | } |
| 714 | |
| 715 | case VIDIOC_ENUMSTD: |
| 716 | { |
| 717 | struct v4l2_standard *std = arg; |
| 718 | if (std->index != 0) |
| 719 | return -EINVAL; |
| 720 | std->id = V4L2_STD_UNKNOWN; |
Roel Kluin | bd0eb12 | 2009-08-08 12:58:52 -0300 | [diff] [blame] | 721 | strlcpy(std->name, "webcam", sizeof(std->name)); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | case VIDIOC_REQBUFS: |
| 726 | { |
| 727 | struct v4l2_requestbuffers *rb = arg; |
| 728 | int nbuffers; |
| 729 | |
| 730 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_REQBUFS) count=%d\n",rb->count); |
| 731 | if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 732 | return -EINVAL; |
| 733 | if (rb->memory != V4L2_MEMORY_MMAP) |
| 734 | return -EINVAL; |
| 735 | |
| 736 | nbuffers = rb->count; |
| 737 | if (nbuffers < 2) |
| 738 | nbuffers = 2; |
| 739 | else if (nbuffers > pwc_mbufs) |
| 740 | nbuffers = pwc_mbufs; |
| 741 | /* Force to use our # of buffers */ |
| 742 | rb->count = pwc_mbufs; |
| 743 | return 0; |
| 744 | } |
| 745 | |
| 746 | case VIDIOC_QUERYBUF: |
| 747 | { |
| 748 | struct v4l2_buffer *buf = arg; |
| 749 | int index; |
| 750 | |
| 751 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) index=%d\n",buf->index); |
| 752 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
| 753 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad type\n"); |
| 754 | return -EINVAL; |
| 755 | } |
| 756 | if (buf->memory != V4L2_MEMORY_MMAP) { |
| 757 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad memory type\n"); |
| 758 | return -EINVAL; |
| 759 | } |
| 760 | index = buf->index; |
| 761 | if (index < 0 || index >= pwc_mbufs) { |
| 762 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad index %d\n", buf->index); |
| 763 | return -EINVAL; |
| 764 | } |
| 765 | |
| 766 | memset(buf, 0, sizeof(struct v4l2_buffer)); |
| 767 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 768 | buf->index = index; |
| 769 | buf->m.offset = index * pdev->len_per_image; |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 770 | if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 771 | buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); |
| 772 | else |
| 773 | buf->bytesused = pdev->view.size; |
| 774 | buf->field = V4L2_FIELD_NONE; |
| 775 | buf->memory = V4L2_MEMORY_MMAP; |
| 776 | //buf->flags = V4L2_BUF_FLAG_MAPPED; |
| 777 | buf->length = pdev->len_per_image; |
| 778 | |
| 779 | PWC_DEBUG_READ("VIDIOC_QUERYBUF: index=%d\n",buf->index); |
| 780 | PWC_DEBUG_READ("VIDIOC_QUERYBUF: m.offset=%d\n",buf->m.offset); |
| 781 | PWC_DEBUG_READ("VIDIOC_QUERYBUF: bytesused=%d\n",buf->bytesused); |
| 782 | |
| 783 | return 0; |
| 784 | } |
| 785 | |
| 786 | case VIDIOC_QBUF: |
| 787 | { |
| 788 | struct v4l2_buffer *buf = arg; |
| 789 | |
| 790 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_QBUF) index=%d\n",buf->index); |
| 791 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 792 | return -EINVAL; |
| 793 | if (buf->memory != V4L2_MEMORY_MMAP) |
| 794 | return -EINVAL; |
Roel Kluin | 223ffe5 | 2009-05-02 16:38:47 -0300 | [diff] [blame] | 795 | if (buf->index >= pwc_mbufs) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 796 | return -EINVAL; |
| 797 | |
| 798 | buf->flags |= V4L2_BUF_FLAG_QUEUED; |
| 799 | buf->flags &= ~V4L2_BUF_FLAG_DONE; |
| 800 | |
| 801 | return 0; |
| 802 | } |
| 803 | |
| 804 | case VIDIOC_DQBUF: |
| 805 | { |
| 806 | struct v4l2_buffer *buf = arg; |
| 807 | int ret; |
| 808 | |
| 809 | PWC_DEBUG_IOCTL("ioctl(VIDIOC_DQBUF)\n"); |
| 810 | |
| 811 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 812 | return -EINVAL; |
| 813 | |
| 814 | /* Add ourselves to the frame wait-queue. |
| 815 | |
| 816 | FIXME: needs auditing for safety. |
| 817 | QUESTION: In what respect? I think that using the |
| 818 | frameq is safe now. |
| 819 | */ |
| 820 | add_wait_queue(&pdev->frameq, &wait); |
| 821 | while (pdev->full_frames == NULL) { |
| 822 | if (pdev->error_status) { |
| 823 | remove_wait_queue(&pdev->frameq, &wait); |
| 824 | set_current_state(TASK_RUNNING); |
| 825 | return -pdev->error_status; |
| 826 | } |
| 827 | |
| 828 | if (signal_pending(current)) { |
| 829 | remove_wait_queue(&pdev->frameq, &wait); |
| 830 | set_current_state(TASK_RUNNING); |
| 831 | return -ERESTARTSYS; |
| 832 | } |
Hans Verkuil | b577f96 | 2011-01-13 05:05:36 -0300 | [diff] [blame^] | 833 | mutex_unlock(&pdev->modlock); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 834 | schedule(); |
| 835 | set_current_state(TASK_INTERRUPTIBLE); |
Hans Verkuil | b577f96 | 2011-01-13 05:05:36 -0300 | [diff] [blame^] | 836 | mutex_lock(&pdev->modlock); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 837 | } |
| 838 | remove_wait_queue(&pdev->frameq, &wait); |
| 839 | set_current_state(TASK_RUNNING); |
| 840 | |
| 841 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: frame ready.\n"); |
| 842 | /* Decompress data in pdev->images[pdev->fill_image] */ |
| 843 | ret = pwc_handle_frame(pdev); |
| 844 | if (ret) |
| 845 | return -EFAULT; |
| 846 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: after pwc_handle_frame\n"); |
| 847 | |
| 848 | buf->index = pdev->fill_image; |
Hans Verkuil | 479567c | 2010-09-12 17:05:11 -0300 | [diff] [blame] | 849 | if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 850 | buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); |
| 851 | else |
| 852 | buf->bytesused = pdev->view.size; |
| 853 | buf->flags = V4L2_BUF_FLAG_MAPPED; |
| 854 | buf->field = V4L2_FIELD_NONE; |
| 855 | do_gettimeofday(&buf->timestamp); |
| 856 | buf->sequence = 0; |
| 857 | buf->memory = V4L2_MEMORY_MMAP; |
| 858 | buf->m.offset = pdev->fill_image * pdev->len_per_image; |
Luc Saillard | 288bb0e | 2007-04-22 23:55:10 -0300 | [diff] [blame] | 859 | buf->length = pdev->len_per_image; |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 860 | pwc_next_image(pdev); |
| 861 | |
| 862 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->index=%d\n",buf->index); |
| 863 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->length=%d\n",buf->length); |
| 864 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: m.offset=%d\n",buf->m.offset); |
| 865 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: bytesused=%d\n",buf->bytesused); |
| 866 | PWC_DEBUG_IOCTL("VIDIOC_DQBUF: leaving\n"); |
| 867 | return 0; |
| 868 | |
| 869 | } |
| 870 | |
| 871 | case VIDIOC_STREAMON: |
| 872 | { |
Hans de Goede | 3751e28 | 2010-11-16 11:39:25 -0300 | [diff] [blame] | 873 | return pwc_isoc_init(pdev); |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 874 | } |
| 875 | |
| 876 | case VIDIOC_STREAMOFF: |
| 877 | { |
| 878 | pwc_isoc_cleanup(pdev); |
| 879 | return 0; |
| 880 | } |
| 881 | |
Luc Saillard | 9ee6d78 | 2007-04-22 23:54:36 -0300 | [diff] [blame] | 882 | case VIDIOC_ENUM_FRAMESIZES: |
| 883 | { |
| 884 | struct v4l2_frmsizeenum *fsize = arg; |
| 885 | unsigned int i = 0, index = fsize->index; |
| 886 | |
| 887 | if (fsize->pixel_format == V4L2_PIX_FMT_YUV420) { |
| 888 | for (i = 0; i < PSZ_MAX; i++) { |
| 889 | if (pdev->image_mask & (1UL << i)) { |
| 890 | if (!index--) { |
| 891 | fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; |
| 892 | fsize->discrete.width = pwc_image_sizes[i].x; |
| 893 | fsize->discrete.height = pwc_image_sizes[i].y; |
| 894 | return 0; |
| 895 | } |
| 896 | } |
| 897 | } |
| 898 | } else if (fsize->index == 0 && |
| 899 | ((fsize->pixel_format == V4L2_PIX_FMT_PWC1 && DEVICE_USE_CODEC1(pdev->type)) || |
| 900 | (fsize->pixel_format == V4L2_PIX_FMT_PWC2 && DEVICE_USE_CODEC23(pdev->type)))) { |
| 901 | |
| 902 | fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; |
| 903 | fsize->discrete.width = pdev->abs_max.x; |
| 904 | fsize->discrete.height = pdev->abs_max.y; |
| 905 | return 0; |
| 906 | } |
| 907 | return -EINVAL; |
| 908 | } |
| 909 | |
| 910 | case VIDIOC_ENUM_FRAMEINTERVALS: |
| 911 | { |
| 912 | struct v4l2_frmivalenum *fival = arg; |
| 913 | int size = -1; |
| 914 | unsigned int i; |
| 915 | |
| 916 | for (i = 0; i < PSZ_MAX; i++) { |
| 917 | if (pwc_image_sizes[i].x == fival->width && |
| 918 | pwc_image_sizes[i].y == fival->height) { |
| 919 | size = i; |
| 920 | break; |
| 921 | } |
| 922 | } |
| 923 | |
| 924 | /* TODO: Support raw format */ |
| 925 | if (size < 0 || fival->pixel_format != V4L2_PIX_FMT_YUV420) { |
| 926 | return -EINVAL; |
| 927 | } |
| 928 | |
| 929 | i = pwc_get_fps(pdev, fival->index, size); |
| 930 | if (!i) |
| 931 | return -EINVAL; |
| 932 | |
| 933 | fival->type = V4L2_FRMIVAL_TYPE_DISCRETE; |
| 934 | fival->discrete.numerator = 1; |
| 935 | fival->discrete.denominator = i; |
| 936 | |
| 937 | return 0; |
| 938 | } |
| 939 | |
Luc Saillard | 2b455db | 2006-04-24 10:29:46 -0300 | [diff] [blame] | 940 | default: |
| 941 | return pwc_ioctl(pdev, cmd, arg); |
| 942 | } /* ..switch */ |
| 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | /* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */ |