Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Video capture interface for Linux version 2 |
| 3 | * |
| 4 | * A generic framework to process V4L2 ioctl commands. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
Alan Cox | d9b0144 | 2008-10-27 15:13:47 -0300 | [diff] [blame] | 11 | * Authors: Alan Cox, <alan@lxorguk.ukuu.org.uk> (version 1) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 12 | * Mauro Carvalho Chehab <mchehab@infradead.org> (version 2) |
| 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/types.h> |
| 17 | #include <linux/kernel.h> |
| 18 | |
| 19 | #define __OLD_VIDIOC_ /* To allow fixing old calls */ |
Mauro Carvalho Chehab | 7e0a16f | 2009-03-10 05:31:34 -0300 | [diff] [blame] | 20 | #include <linux/videodev.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 21 | #include <linux/videodev2.h> |
| 22 | |
| 23 | #ifdef CONFIG_VIDEO_V4L1 |
| 24 | #include <linux/videodev.h> |
| 25 | #endif |
| 26 | #include <media/v4l2-common.h> |
| 27 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 28 | #include <media/v4l2-chip-ident.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 29 | |
| 30 | #define dbgarg(cmd, fmt, arg...) \ |
| 31 | do { \ |
| 32 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \ |
| 33 | printk(KERN_DEBUG "%s: ", vfd->name); \ |
| 34 | v4l_printk_ioctl(cmd); \ |
| 35 | printk(" " fmt, ## arg); \ |
| 36 | } \ |
| 37 | } while (0) |
| 38 | |
| 39 | #define dbgarg2(fmt, arg...) \ |
| 40 | do { \ |
| 41 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ |
| 42 | printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ |
| 43 | } while (0) |
| 44 | |
| 45 | struct std_descr { |
| 46 | v4l2_std_id std; |
| 47 | const char *descr; |
| 48 | }; |
| 49 | |
| 50 | static const struct std_descr standards[] = { |
| 51 | { V4L2_STD_NTSC, "NTSC" }, |
| 52 | { V4L2_STD_NTSC_M, "NTSC-M" }, |
| 53 | { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, |
| 54 | { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, |
| 55 | { V4L2_STD_NTSC_443, "NTSC-443" }, |
| 56 | { V4L2_STD_PAL, "PAL" }, |
| 57 | { V4L2_STD_PAL_BG, "PAL-BG" }, |
| 58 | { V4L2_STD_PAL_B, "PAL-B" }, |
| 59 | { V4L2_STD_PAL_B1, "PAL-B1" }, |
| 60 | { V4L2_STD_PAL_G, "PAL-G" }, |
| 61 | { V4L2_STD_PAL_H, "PAL-H" }, |
| 62 | { V4L2_STD_PAL_I, "PAL-I" }, |
| 63 | { V4L2_STD_PAL_DK, "PAL-DK" }, |
| 64 | { V4L2_STD_PAL_D, "PAL-D" }, |
| 65 | { V4L2_STD_PAL_D1, "PAL-D1" }, |
| 66 | { V4L2_STD_PAL_K, "PAL-K" }, |
| 67 | { V4L2_STD_PAL_M, "PAL-M" }, |
| 68 | { V4L2_STD_PAL_N, "PAL-N" }, |
| 69 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, |
| 70 | { V4L2_STD_PAL_60, "PAL-60" }, |
| 71 | { V4L2_STD_SECAM, "SECAM" }, |
| 72 | { V4L2_STD_SECAM_B, "SECAM-B" }, |
| 73 | { V4L2_STD_SECAM_G, "SECAM-G" }, |
| 74 | { V4L2_STD_SECAM_H, "SECAM-H" }, |
| 75 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, |
| 76 | { V4L2_STD_SECAM_D, "SECAM-D" }, |
| 77 | { V4L2_STD_SECAM_K, "SECAM-K" }, |
| 78 | { V4L2_STD_SECAM_K1, "SECAM-K1" }, |
| 79 | { V4L2_STD_SECAM_L, "SECAM-L" }, |
| 80 | { V4L2_STD_SECAM_LC, "SECAM-Lc" }, |
| 81 | { 0, "Unknown" } |
| 82 | }; |
| 83 | |
| 84 | /* video4linux standard ID conversion to standard name |
| 85 | */ |
| 86 | const char *v4l2_norm_to_name(v4l2_std_id id) |
| 87 | { |
| 88 | u32 myid = id; |
| 89 | int i; |
| 90 | |
| 91 | /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle |
| 92 | 64 bit comparations. So, on that architecture, with some gcc |
| 93 | variants, compilation fails. Currently, the max value is 30bit wide. |
| 94 | */ |
| 95 | BUG_ON(myid != id); |
| 96 | |
| 97 | for (i = 0; standards[i].std; i++) |
| 98 | if (myid == standards[i].std) |
| 99 | break; |
| 100 | return standards[i].descr; |
| 101 | } |
| 102 | EXPORT_SYMBOL(v4l2_norm_to_name); |
| 103 | |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 104 | /* Returns frame period for the given standard */ |
| 105 | void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) |
| 106 | { |
| 107 | if (id & V4L2_STD_525_60) { |
| 108 | frameperiod->numerator = 1001; |
| 109 | frameperiod->denominator = 30000; |
| 110 | } else { |
| 111 | frameperiod->numerator = 1; |
| 112 | frameperiod->denominator = 25; |
| 113 | } |
| 114 | } |
| 115 | EXPORT_SYMBOL(v4l2_video_std_frame_period); |
| 116 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 117 | /* Fill in the fields of a v4l2_standard structure according to the |
| 118 | 'id' and 'transmission' parameters. Returns negative on error. */ |
| 119 | int v4l2_video_std_construct(struct v4l2_standard *vs, |
| 120 | int id, const char *name) |
| 121 | { |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 122 | vs->id = id; |
| 123 | v4l2_video_std_frame_period(id, &vs->frameperiod); |
| 124 | vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 125 | strlcpy(vs->name, name, sizeof(vs->name)); |
| 126 | return 0; |
| 127 | } |
| 128 | EXPORT_SYMBOL(v4l2_video_std_construct); |
| 129 | |
| 130 | /* ----------------------------------------------------------------- */ |
| 131 | /* some arrays for pretty-printing debug messages of enum types */ |
| 132 | |
| 133 | const char *v4l2_field_names[] = { |
| 134 | [V4L2_FIELD_ANY] = "any", |
| 135 | [V4L2_FIELD_NONE] = "none", |
| 136 | [V4L2_FIELD_TOP] = "top", |
| 137 | [V4L2_FIELD_BOTTOM] = "bottom", |
| 138 | [V4L2_FIELD_INTERLACED] = "interlaced", |
| 139 | [V4L2_FIELD_SEQ_TB] = "seq-tb", |
| 140 | [V4L2_FIELD_SEQ_BT] = "seq-bt", |
| 141 | [V4L2_FIELD_ALTERNATE] = "alternate", |
| 142 | [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", |
| 143 | [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", |
| 144 | }; |
| 145 | EXPORT_SYMBOL(v4l2_field_names); |
| 146 | |
| 147 | const char *v4l2_type_names[] = { |
| 148 | [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", |
| 149 | [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", |
| 150 | [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", |
| 151 | [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", |
| 152 | [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", |
| 153 | [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", |
| 154 | [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", |
| 155 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", |
| 156 | }; |
| 157 | EXPORT_SYMBOL(v4l2_type_names); |
| 158 | |
| 159 | static const char *v4l2_memory_names[] = { |
| 160 | [V4L2_MEMORY_MMAP] = "mmap", |
| 161 | [V4L2_MEMORY_USERPTR] = "userptr", |
| 162 | [V4L2_MEMORY_OVERLAY] = "overlay", |
| 163 | }; |
| 164 | |
| 165 | #define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ |
| 166 | arr[a] : "unknown") |
| 167 | |
| 168 | /* ------------------------------------------------------------------ */ |
| 169 | /* debug help functions */ |
| 170 | |
| 171 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 172 | static const char *v4l1_ioctls[] = { |
| 173 | [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", |
| 174 | [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", |
| 175 | [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", |
| 176 | [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", |
| 177 | [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", |
| 178 | [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", |
| 179 | [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", |
| 180 | [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", |
| 181 | [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", |
| 182 | [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", |
| 183 | [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", |
| 184 | [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", |
| 185 | [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", |
| 186 | [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", |
| 187 | [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", |
| 188 | [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", |
| 189 | [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", |
| 190 | [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", |
| 191 | [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", |
| 192 | [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", |
| 193 | [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", |
| 194 | [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", |
| 195 | [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", |
| 196 | [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", |
| 197 | [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", |
| 198 | [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", |
| 199 | [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", |
| 200 | [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", |
| 201 | [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" |
| 202 | }; |
| 203 | #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) |
| 204 | #endif |
| 205 | |
| 206 | static const char *v4l2_ioctls[] = { |
| 207 | [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", |
| 208 | [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", |
| 209 | [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", |
| 210 | [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", |
| 211 | [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", |
| 212 | [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", |
| 213 | [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", |
| 214 | [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", |
| 215 | [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", |
| 216 | [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", |
| 217 | [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", |
| 218 | [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", |
| 219 | [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", |
| 220 | [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", |
| 221 | [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", |
| 222 | [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", |
| 223 | [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", |
| 224 | [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", |
| 225 | [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", |
| 226 | [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", |
| 227 | [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", |
| 228 | [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", |
| 229 | [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", |
| 230 | [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", |
| 231 | [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", |
| 232 | [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", |
| 233 | [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", |
| 234 | [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", |
| 235 | [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", |
| 236 | [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", |
| 237 | [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", |
| 238 | [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", |
| 239 | [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", |
| 240 | [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", |
| 241 | [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", |
| 242 | [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", |
| 243 | [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", |
| 244 | [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", |
| 245 | [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", |
| 246 | [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", |
| 247 | [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", |
| 248 | [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", |
| 249 | [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", |
| 250 | [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", |
| 251 | [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", |
| 252 | [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", |
| 253 | [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", |
| 254 | [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", |
| 255 | [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", |
| 256 | [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", |
| 257 | [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", |
| 258 | [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", |
| 259 | [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", |
| 260 | [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", |
| 261 | [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", |
| 262 | #if 1 |
| 263 | [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", |
| 264 | [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", |
| 265 | [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", |
| 266 | [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", |
| 267 | [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", |
| 268 | |
| 269 | [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", |
| 270 | [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", |
| 271 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 272 | [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 273 | [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", |
| 274 | #endif |
| 275 | }; |
| 276 | #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| 277 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 278 | /* Common ioctl debug function. This function can be used by |
| 279 | external ioctl messages as well as internal V4L ioctl */ |
| 280 | void v4l_printk_ioctl(unsigned int cmd) |
| 281 | { |
| 282 | char *dir, *type; |
| 283 | |
| 284 | switch (_IOC_TYPE(cmd)) { |
| 285 | case 'd': |
Hans Verkuil | 78a3b4d | 2009-04-01 03:41:09 -0300 | [diff] [blame^] | 286 | type = "v4l2_int"; |
| 287 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 288 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 289 | case 'v': |
| 290 | if (_IOC_NR(cmd) >= V4L1_IOCTLS) { |
| 291 | type = "v4l1"; |
| 292 | break; |
| 293 | } |
| 294 | printk("%s", v4l1_ioctls[_IOC_NR(cmd)]); |
| 295 | return; |
| 296 | #endif |
| 297 | case 'V': |
| 298 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) { |
| 299 | type = "v4l2"; |
| 300 | break; |
| 301 | } |
| 302 | printk("%s", v4l2_ioctls[_IOC_NR(cmd)]); |
| 303 | return; |
| 304 | default: |
| 305 | type = "unknown"; |
| 306 | } |
| 307 | |
| 308 | switch (_IOC_DIR(cmd)) { |
| 309 | case _IOC_NONE: dir = "--"; break; |
| 310 | case _IOC_READ: dir = "r-"; break; |
| 311 | case _IOC_WRITE: dir = "-w"; break; |
| 312 | case _IOC_READ | _IOC_WRITE: dir = "rw"; break; |
| 313 | default: dir = "*ERR*"; break; |
| 314 | } |
| 315 | printk("%s ioctl '%c', dir=%s, #%d (0x%08x)", |
| 316 | type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); |
| 317 | } |
| 318 | EXPORT_SYMBOL(v4l_printk_ioctl); |
| 319 | |
| 320 | /* |
| 321 | * helper function -- handles userspace copying for ioctl arguments |
| 322 | */ |
| 323 | |
| 324 | #ifdef __OLD_VIDIOC_ |
| 325 | static unsigned int |
| 326 | video_fix_command(unsigned int cmd) |
| 327 | { |
| 328 | switch (cmd) { |
| 329 | case VIDIOC_OVERLAY_OLD: |
| 330 | cmd = VIDIOC_OVERLAY; |
| 331 | break; |
| 332 | case VIDIOC_S_PARM_OLD: |
| 333 | cmd = VIDIOC_S_PARM; |
| 334 | break; |
| 335 | case VIDIOC_S_CTRL_OLD: |
| 336 | cmd = VIDIOC_S_CTRL; |
| 337 | break; |
| 338 | case VIDIOC_G_AUDIO_OLD: |
| 339 | cmd = VIDIOC_G_AUDIO; |
| 340 | break; |
| 341 | case VIDIOC_G_AUDOUT_OLD: |
| 342 | cmd = VIDIOC_G_AUDOUT; |
| 343 | break; |
| 344 | case VIDIOC_CROPCAP_OLD: |
| 345 | cmd = VIDIOC_CROPCAP; |
| 346 | break; |
| 347 | } |
| 348 | return cmd; |
| 349 | } |
| 350 | #endif |
| 351 | |
| 352 | /* |
| 353 | * Obsolete usercopy function - Should be removed soon |
| 354 | */ |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 355 | long |
Hans Verkuil | f473bf7 | 2008-11-01 08:25:11 -0300 | [diff] [blame] | 356 | video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, |
| 357 | v4l2_kioctl func) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 358 | { |
| 359 | char sbuf[128]; |
| 360 | void *mbuf = NULL; |
| 361 | void *parg = NULL; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 362 | long err = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 363 | int is_ext_ctrl; |
| 364 | size_t ctrls_size = 0; |
| 365 | void __user *user_ptr = NULL; |
| 366 | |
| 367 | #ifdef __OLD_VIDIOC_ |
| 368 | cmd = video_fix_command(cmd); |
| 369 | #endif |
| 370 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || |
| 371 | cmd == VIDIOC_TRY_EXT_CTRLS); |
| 372 | |
| 373 | /* Copy arguments into temp kernel buffer */ |
| 374 | switch (_IOC_DIR(cmd)) { |
| 375 | case _IOC_NONE: |
| 376 | parg = NULL; |
| 377 | break; |
| 378 | case _IOC_READ: |
| 379 | case _IOC_WRITE: |
| 380 | case (_IOC_WRITE | _IOC_READ): |
| 381 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 382 | parg = sbuf; |
| 383 | } else { |
| 384 | /* too big to allocate from stack */ |
| 385 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 386 | if (NULL == mbuf) |
| 387 | return -ENOMEM; |
| 388 | parg = mbuf; |
| 389 | } |
| 390 | |
| 391 | err = -EFAULT; |
| 392 | if (_IOC_DIR(cmd) & _IOC_WRITE) |
| 393 | if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd))) |
| 394 | goto out; |
| 395 | break; |
| 396 | } |
| 397 | if (is_ext_ctrl) { |
| 398 | struct v4l2_ext_controls *p = parg; |
| 399 | |
| 400 | /* In case of an error, tell the caller that it wasn't |
| 401 | a specific control that caused it. */ |
| 402 | p->error_idx = p->count; |
| 403 | user_ptr = (void __user *)p->controls; |
| 404 | if (p->count) { |
| 405 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; |
| 406 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ |
| 407 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); |
| 408 | err = -ENOMEM; |
| 409 | if (NULL == mbuf) |
| 410 | goto out_ext_ctrl; |
| 411 | err = -EFAULT; |
| 412 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) |
| 413 | goto out_ext_ctrl; |
| 414 | p->controls = mbuf; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /* call driver */ |
Hans Verkuil | f473bf7 | 2008-11-01 08:25:11 -0300 | [diff] [blame] | 419 | err = func(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 420 | if (err == -ENOIOCTLCMD) |
| 421 | err = -EINVAL; |
| 422 | if (is_ext_ctrl) { |
| 423 | struct v4l2_ext_controls *p = parg; |
| 424 | |
| 425 | p->controls = (void *)user_ptr; |
| 426 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) |
| 427 | err = -EFAULT; |
| 428 | goto out_ext_ctrl; |
| 429 | } |
| 430 | if (err < 0) |
| 431 | goto out; |
| 432 | |
| 433 | out_ext_ctrl: |
| 434 | /* Copy results into user buffer */ |
| 435 | switch (_IOC_DIR(cmd)) { |
| 436 | case _IOC_READ: |
| 437 | case (_IOC_WRITE | _IOC_READ): |
| 438 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 439 | err = -EFAULT; |
| 440 | break; |
| 441 | } |
| 442 | |
| 443 | out: |
| 444 | kfree(mbuf); |
| 445 | return err; |
| 446 | } |
| 447 | EXPORT_SYMBOL(video_usercopy); |
| 448 | |
| 449 | static void dbgbuf(unsigned int cmd, struct video_device *vfd, |
| 450 | struct v4l2_buffer *p) |
| 451 | { |
| 452 | struct v4l2_timecode *tc = &p->timecode; |
| 453 | |
| 454 | dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, " |
| 455 | "bytesused=%d, flags=0x%08d, " |
| 456 | "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx, length=%d\n", |
| 457 | p->timestamp.tv_sec / 3600, |
| 458 | (int)(p->timestamp.tv_sec / 60) % 60, |
| 459 | (int)(p->timestamp.tv_sec % 60), |
Alexander Beregalov | b045979 | 2008-09-03 16:47:38 -0300 | [diff] [blame] | 460 | (long)p->timestamp.tv_usec, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 461 | p->index, |
| 462 | prt_names(p->type, v4l2_type_names), |
| 463 | p->bytesused, p->flags, |
| 464 | p->field, p->sequence, |
| 465 | prt_names(p->memory, v4l2_memory_names), |
| 466 | p->m.userptr, p->length); |
| 467 | dbgarg2("timecode=%02d:%02d:%02d type=%d, " |
| 468 | "flags=0x%08d, frames=%d, userbits=0x%08x\n", |
| 469 | tc->hours, tc->minutes, tc->seconds, |
| 470 | tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); |
| 471 | } |
| 472 | |
| 473 | static inline void dbgrect(struct video_device *vfd, char *s, |
| 474 | struct v4l2_rect *r) |
| 475 | { |
| 476 | dbgarg2("%sRect start at %dx%d, size=%dx%d\n", s, r->left, r->top, |
| 477 | r->width, r->height); |
| 478 | }; |
| 479 | |
| 480 | static inline void v4l_print_pix_fmt(struct video_device *vfd, |
| 481 | struct v4l2_pix_format *fmt) |
| 482 | { |
| 483 | dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, " |
| 484 | "bytesperline=%d sizeimage=%d, colorspace=%d\n", |
| 485 | fmt->width, fmt->height, |
| 486 | (fmt->pixelformat & 0xff), |
| 487 | (fmt->pixelformat >> 8) & 0xff, |
| 488 | (fmt->pixelformat >> 16) & 0xff, |
| 489 | (fmt->pixelformat >> 24) & 0xff, |
| 490 | prt_names(fmt->field, v4l2_field_names), |
| 491 | fmt->bytesperline, fmt->sizeimage, fmt->colorspace); |
| 492 | }; |
| 493 | |
| 494 | static inline void v4l_print_ext_ctrls(unsigned int cmd, |
| 495 | struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals) |
| 496 | { |
| 497 | __u32 i; |
| 498 | |
| 499 | if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) |
| 500 | return; |
| 501 | dbgarg(cmd, ""); |
| 502 | printk(KERN_CONT "class=0x%x", c->ctrl_class); |
| 503 | for (i = 0; i < c->count; i++) { |
| 504 | if (show_vals) |
| 505 | printk(KERN_CONT " id/val=0x%x/0x%x", |
| 506 | c->controls[i].id, c->controls[i].value); |
| 507 | else |
| 508 | printk(KERN_CONT " id=0x%x", c->controls[i].id); |
| 509 | } |
| 510 | printk(KERN_CONT "\n"); |
| 511 | }; |
| 512 | |
| 513 | static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) |
| 514 | { |
| 515 | __u32 i; |
| 516 | |
| 517 | /* zero the reserved fields */ |
| 518 | c->reserved[0] = c->reserved[1] = 0; |
| 519 | for (i = 0; i < c->count; i++) { |
| 520 | c->controls[i].reserved2[0] = 0; |
| 521 | c->controls[i].reserved2[1] = 0; |
| 522 | } |
| 523 | /* V4L2_CID_PRIVATE_BASE cannot be used as control class |
| 524 | when using extended controls. |
| 525 | Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL |
| 526 | is it allowed for backwards compatibility. |
| 527 | */ |
| 528 | if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE) |
| 529 | return 0; |
| 530 | /* Check that all controls are from the same control class. */ |
| 531 | for (i = 0; i < c->count; i++) { |
| 532 | if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) { |
| 533 | c->error_idx = i; |
| 534 | return 0; |
| 535 | } |
| 536 | } |
| 537 | return 1; |
| 538 | } |
| 539 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 540 | static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 541 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 542 | if (ops == NULL) |
| 543 | return -EINVAL; |
| 544 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 545 | switch (type) { |
| 546 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 547 | if (ops->vidioc_try_fmt_vid_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 548 | return 0; |
| 549 | break; |
| 550 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 551 | if (ops->vidioc_try_fmt_vid_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 552 | return 0; |
| 553 | break; |
| 554 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 555 | if (ops->vidioc_try_fmt_vid_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 556 | return 0; |
| 557 | break; |
| 558 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 559 | if (ops->vidioc_try_fmt_vid_out_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 560 | return 0; |
| 561 | break; |
| 562 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 563 | if (ops->vidioc_try_fmt_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 564 | return 0; |
| 565 | break; |
| 566 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 567 | if (ops->vidioc_try_fmt_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 568 | return 0; |
| 569 | break; |
| 570 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 571 | if (ops->vidioc_try_fmt_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 572 | return 0; |
| 573 | break; |
| 574 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 575 | if (ops->vidioc_try_fmt_sliced_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 576 | return 0; |
| 577 | break; |
| 578 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 579 | if (ops->vidioc_try_fmt_type_private) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 580 | return 0; |
| 581 | break; |
| 582 | } |
| 583 | return -EINVAL; |
| 584 | } |
| 585 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 586 | static long __video_do_ioctl(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 587 | unsigned int cmd, void *arg) |
| 588 | { |
| 589 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 590 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
Hans Verkuil | d5fbf32 | 2008-10-18 13:39:53 -0300 | [diff] [blame] | 591 | void *fh = file->private_data; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 592 | long ret = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 593 | |
| 594 | if ((vfd->debug & V4L2_DEBUG_IOCTL) && |
| 595 | !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) { |
| 596 | v4l_print_ioctl(vfd->name, cmd); |
| 597 | printk(KERN_CONT "\n"); |
| 598 | } |
| 599 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 600 | if (ops == NULL) { |
| 601 | printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n", |
| 602 | vfd->name); |
| 603 | return -EINVAL; |
| 604 | } |
| 605 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 606 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 607 | /*********************************************************** |
| 608 | Handles calls to the obsoleted V4L1 API |
| 609 | Due to the nature of VIDIOCGMBUF, each driver that supports |
| 610 | V4L1 should implement its own handler for this ioctl. |
| 611 | ***********************************************************/ |
| 612 | |
| 613 | /* --- streaming capture ------------------------------------- */ |
| 614 | if (cmd == VIDIOCGMBUF) { |
| 615 | struct video_mbuf *p = arg; |
| 616 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 617 | if (!ops->vidiocgmbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 618 | return ret; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 619 | ret = ops->vidiocgmbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 620 | if (!ret) |
| 621 | dbgarg(cmd, "size=%d, frames=%d, offsets=0x%08lx\n", |
| 622 | p->size, p->frames, |
| 623 | (unsigned long)p->offsets); |
| 624 | return ret; |
| 625 | } |
| 626 | |
| 627 | /******************************************************** |
| 628 | All other V4L1 calls are handled by v4l1_compat module. |
| 629 | Those calls will be translated into V4L2 calls, and |
| 630 | __video_do_ioctl will be called again, with one or more |
| 631 | V4L2 ioctls. |
| 632 | ********************************************************/ |
Hans Verkuil | 888fe74 | 2008-09-03 16:46:50 -0300 | [diff] [blame] | 633 | if (_IOC_TYPE(cmd) == 'v' && _IOC_NR(cmd) < BASE_VIDIOCPRIVATE) |
Mauro Carvalho Chehab | b1f8840 | 2008-10-21 11:27:20 -0300 | [diff] [blame] | 634 | return v4l_compat_translate_ioctl(file, cmd, arg, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 635 | __video_do_ioctl); |
| 636 | #endif |
| 637 | |
| 638 | switch (cmd) { |
| 639 | /* --- capabilities ------------------------------------------ */ |
| 640 | case VIDIOC_QUERYCAP: |
| 641 | { |
| 642 | struct v4l2_capability *cap = (struct v4l2_capability *)arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 643 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 644 | if (!ops->vidioc_querycap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 645 | break; |
| 646 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 647 | ret = ops->vidioc_querycap(file, fh, cap); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 648 | if (!ret) |
| 649 | dbgarg(cmd, "driver=%s, card=%s, bus=%s, " |
| 650 | "version=0x%08x, " |
| 651 | "capabilities=0x%08x\n", |
| 652 | cap->driver, cap->card, cap->bus_info, |
| 653 | cap->version, |
| 654 | cap->capabilities); |
| 655 | break; |
| 656 | } |
| 657 | |
| 658 | /* --- priority ------------------------------------------ */ |
| 659 | case VIDIOC_G_PRIORITY: |
| 660 | { |
| 661 | enum v4l2_priority *p = arg; |
| 662 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 663 | if (!ops->vidioc_g_priority) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 664 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 665 | ret = ops->vidioc_g_priority(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 666 | if (!ret) |
| 667 | dbgarg(cmd, "priority is %d\n", *p); |
| 668 | break; |
| 669 | } |
| 670 | case VIDIOC_S_PRIORITY: |
| 671 | { |
| 672 | enum v4l2_priority *p = arg; |
| 673 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 674 | if (!ops->vidioc_s_priority) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 675 | break; |
| 676 | dbgarg(cmd, "setting priority to %d\n", *p); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 677 | ret = ops->vidioc_s_priority(file, fh, *p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 678 | break; |
| 679 | } |
| 680 | |
| 681 | /* --- capture ioctls ---------------------------------------- */ |
| 682 | case VIDIOC_ENUM_FMT: |
| 683 | { |
| 684 | struct v4l2_fmtdesc *f = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 685 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 686 | switch (f->type) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 687 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 688 | if (ops->vidioc_enum_fmt_vid_cap) |
| 689 | ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 690 | break; |
| 691 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 692 | if (ops->vidioc_enum_fmt_vid_overlay) |
| 693 | ret = ops->vidioc_enum_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 694 | fh, f); |
| 695 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 696 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 697 | if (ops->vidioc_enum_fmt_vid_out) |
| 698 | ret = ops->vidioc_enum_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 699 | break; |
| 700 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 701 | if (ops->vidioc_enum_fmt_type_private) |
| 702 | ret = ops->vidioc_enum_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 703 | fh, f); |
| 704 | break; |
| 705 | default: |
| 706 | break; |
| 707 | } |
| 708 | if (!ret) |
| 709 | dbgarg(cmd, "index=%d, type=%d, flags=%d, " |
| 710 | "pixelformat=%c%c%c%c, description='%s'\n", |
| 711 | f->index, f->type, f->flags, |
| 712 | (f->pixelformat & 0xff), |
| 713 | (f->pixelformat >> 8) & 0xff, |
| 714 | (f->pixelformat >> 16) & 0xff, |
| 715 | (f->pixelformat >> 24) & 0xff, |
| 716 | f->description); |
| 717 | break; |
| 718 | } |
| 719 | case VIDIOC_G_FMT: |
| 720 | { |
| 721 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 722 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 723 | /* FIXME: Should be one dump per type */ |
| 724 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 725 | |
| 726 | switch (f->type) { |
| 727 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 728 | if (ops->vidioc_g_fmt_vid_cap) |
| 729 | ret = ops->vidioc_g_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 730 | if (!ret) |
| 731 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 732 | break; |
| 733 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 734 | if (ops->vidioc_g_fmt_vid_overlay) |
| 735 | ret = ops->vidioc_g_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 736 | fh, f); |
| 737 | break; |
| 738 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 739 | if (ops->vidioc_g_fmt_vid_out) |
| 740 | ret = ops->vidioc_g_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 741 | if (!ret) |
| 742 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 743 | break; |
| 744 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 745 | if (ops->vidioc_g_fmt_vid_out_overlay) |
| 746 | ret = ops->vidioc_g_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 747 | fh, f); |
| 748 | break; |
| 749 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 750 | if (ops->vidioc_g_fmt_vbi_cap) |
| 751 | ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 752 | break; |
| 753 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 754 | if (ops->vidioc_g_fmt_vbi_out) |
| 755 | ret = ops->vidioc_g_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 756 | break; |
| 757 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 758 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
| 759 | ret = ops->vidioc_g_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 760 | fh, f); |
| 761 | break; |
| 762 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 763 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
| 764 | ret = ops->vidioc_g_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 765 | fh, f); |
| 766 | break; |
| 767 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 768 | if (ops->vidioc_g_fmt_type_private) |
| 769 | ret = ops->vidioc_g_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 770 | fh, f); |
| 771 | break; |
| 772 | } |
| 773 | |
| 774 | break; |
| 775 | } |
| 776 | case VIDIOC_S_FMT: |
| 777 | { |
| 778 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 779 | |
| 780 | /* FIXME: Should be one dump per type */ |
| 781 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 782 | |
| 783 | switch (f->type) { |
| 784 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 785 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 786 | if (ops->vidioc_s_fmt_vid_cap) |
| 787 | ret = ops->vidioc_s_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 788 | break; |
| 789 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 790 | if (ops->vidioc_s_fmt_vid_overlay) |
| 791 | ret = ops->vidioc_s_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 792 | fh, f); |
| 793 | break; |
| 794 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
| 795 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 796 | if (ops->vidioc_s_fmt_vid_out) |
| 797 | ret = ops->vidioc_s_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 798 | break; |
| 799 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 800 | if (ops->vidioc_s_fmt_vid_out_overlay) |
| 801 | ret = ops->vidioc_s_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 802 | fh, f); |
| 803 | break; |
| 804 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 805 | if (ops->vidioc_s_fmt_vbi_cap) |
| 806 | ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 807 | break; |
| 808 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 809 | if (ops->vidioc_s_fmt_vbi_out) |
| 810 | ret = ops->vidioc_s_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 811 | break; |
| 812 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 813 | if (ops->vidioc_s_fmt_sliced_vbi_cap) |
| 814 | ret = ops->vidioc_s_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 815 | fh, f); |
| 816 | break; |
| 817 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 818 | if (ops->vidioc_s_fmt_sliced_vbi_out) |
| 819 | ret = ops->vidioc_s_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 820 | fh, f); |
| 821 | break; |
| 822 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 823 | if (ops->vidioc_s_fmt_type_private) |
| 824 | ret = ops->vidioc_s_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 825 | fh, f); |
| 826 | break; |
| 827 | } |
| 828 | break; |
| 829 | } |
| 830 | case VIDIOC_TRY_FMT: |
| 831 | { |
| 832 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 833 | |
| 834 | /* FIXME: Should be one dump per type */ |
| 835 | dbgarg(cmd, "type=%s\n", prt_names(f->type, |
| 836 | v4l2_type_names)); |
| 837 | switch (f->type) { |
| 838 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 839 | if (ops->vidioc_try_fmt_vid_cap) |
| 840 | ret = ops->vidioc_try_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 841 | if (!ret) |
| 842 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 843 | break; |
| 844 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 845 | if (ops->vidioc_try_fmt_vid_overlay) |
| 846 | ret = ops->vidioc_try_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 847 | fh, f); |
| 848 | break; |
| 849 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 850 | if (ops->vidioc_try_fmt_vid_out) |
| 851 | ret = ops->vidioc_try_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 852 | if (!ret) |
| 853 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 854 | break; |
| 855 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 856 | if (ops->vidioc_try_fmt_vid_out_overlay) |
| 857 | ret = ops->vidioc_try_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 858 | fh, f); |
| 859 | break; |
| 860 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 861 | if (ops->vidioc_try_fmt_vbi_cap) |
| 862 | ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 863 | break; |
| 864 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 865 | if (ops->vidioc_try_fmt_vbi_out) |
| 866 | ret = ops->vidioc_try_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 867 | break; |
| 868 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 869 | if (ops->vidioc_try_fmt_sliced_vbi_cap) |
| 870 | ret = ops->vidioc_try_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 871 | fh, f); |
| 872 | break; |
| 873 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 874 | if (ops->vidioc_try_fmt_sliced_vbi_out) |
| 875 | ret = ops->vidioc_try_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 876 | fh, f); |
| 877 | break; |
| 878 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 879 | if (ops->vidioc_try_fmt_type_private) |
| 880 | ret = ops->vidioc_try_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 881 | fh, f); |
| 882 | break; |
| 883 | } |
| 884 | |
| 885 | break; |
| 886 | } |
| 887 | /* FIXME: Those buf reqs could be handled here, |
| 888 | with some changes on videobuf to allow its header to be included at |
| 889 | videodev2.h or being merged at videodev2. |
| 890 | */ |
| 891 | case VIDIOC_REQBUFS: |
| 892 | { |
| 893 | struct v4l2_requestbuffers *p = arg; |
| 894 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 895 | if (!ops->vidioc_reqbufs) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 896 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 897 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 898 | if (ret) |
| 899 | break; |
| 900 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 901 | ret = ops->vidioc_reqbufs(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 902 | dbgarg(cmd, "count=%d, type=%s, memory=%s\n", |
| 903 | p->count, |
| 904 | prt_names(p->type, v4l2_type_names), |
| 905 | prt_names(p->memory, v4l2_memory_names)); |
| 906 | break; |
| 907 | } |
| 908 | case VIDIOC_QUERYBUF: |
| 909 | { |
| 910 | struct v4l2_buffer *p = arg; |
| 911 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 912 | if (!ops->vidioc_querybuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 913 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 914 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 915 | if (ret) |
| 916 | break; |
| 917 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 918 | ret = ops->vidioc_querybuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 919 | if (!ret) |
| 920 | dbgbuf(cmd, vfd, p); |
| 921 | break; |
| 922 | } |
| 923 | case VIDIOC_QBUF: |
| 924 | { |
| 925 | struct v4l2_buffer *p = arg; |
| 926 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 927 | if (!ops->vidioc_qbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 928 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 929 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 930 | if (ret) |
| 931 | break; |
| 932 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 933 | ret = ops->vidioc_qbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 934 | if (!ret) |
| 935 | dbgbuf(cmd, vfd, p); |
| 936 | break; |
| 937 | } |
| 938 | case VIDIOC_DQBUF: |
| 939 | { |
| 940 | struct v4l2_buffer *p = arg; |
| 941 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 942 | if (!ops->vidioc_dqbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 943 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 944 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 945 | if (ret) |
| 946 | break; |
| 947 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 948 | ret = ops->vidioc_dqbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 949 | if (!ret) |
| 950 | dbgbuf(cmd, vfd, p); |
| 951 | break; |
| 952 | } |
| 953 | case VIDIOC_OVERLAY: |
| 954 | { |
| 955 | int *i = arg; |
| 956 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 957 | if (!ops->vidioc_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 958 | break; |
| 959 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 960 | ret = ops->vidioc_overlay(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 961 | break; |
| 962 | } |
| 963 | case VIDIOC_G_FBUF: |
| 964 | { |
| 965 | struct v4l2_framebuffer *p = arg; |
| 966 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 967 | if (!ops->vidioc_g_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 968 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 969 | ret = ops->vidioc_g_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 970 | if (!ret) { |
| 971 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 972 | p->capability, p->flags, |
| 973 | (unsigned long)p->base); |
| 974 | v4l_print_pix_fmt(vfd, &p->fmt); |
| 975 | } |
| 976 | break; |
| 977 | } |
| 978 | case VIDIOC_S_FBUF: |
| 979 | { |
| 980 | struct v4l2_framebuffer *p = arg; |
| 981 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 982 | if (!ops->vidioc_s_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 983 | break; |
| 984 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 985 | p->capability, p->flags, (unsigned long)p->base); |
| 986 | v4l_print_pix_fmt(vfd, &p->fmt); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 987 | ret = ops->vidioc_s_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 988 | break; |
| 989 | } |
| 990 | case VIDIOC_STREAMON: |
| 991 | { |
| 992 | enum v4l2_buf_type i = *(int *)arg; |
| 993 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 994 | if (!ops->vidioc_streamon) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 995 | break; |
| 996 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 997 | ret = ops->vidioc_streamon(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 998 | break; |
| 999 | } |
| 1000 | case VIDIOC_STREAMOFF: |
| 1001 | { |
| 1002 | enum v4l2_buf_type i = *(int *)arg; |
| 1003 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1004 | if (!ops->vidioc_streamoff) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1005 | break; |
| 1006 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1007 | ret = ops->vidioc_streamoff(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1008 | break; |
| 1009 | } |
| 1010 | /* ---------- tv norms ---------- */ |
| 1011 | case VIDIOC_ENUMSTD: |
| 1012 | { |
| 1013 | struct v4l2_standard *p = arg; |
| 1014 | v4l2_std_id id = vfd->tvnorms, curr_id = 0; |
| 1015 | unsigned int index = p->index, i, j = 0; |
| 1016 | const char *descr = ""; |
| 1017 | |
| 1018 | /* Return norm array in a canonical way */ |
| 1019 | for (i = 0; i <= index && id; i++) { |
| 1020 | /* last std value in the standards array is 0, so this |
| 1021 | while always ends there since (id & 0) == 0. */ |
| 1022 | while ((id & standards[j].std) != standards[j].std) |
| 1023 | j++; |
| 1024 | curr_id = standards[j].std; |
| 1025 | descr = standards[j].descr; |
| 1026 | j++; |
| 1027 | if (curr_id == 0) |
| 1028 | break; |
| 1029 | if (curr_id != V4L2_STD_PAL && |
| 1030 | curr_id != V4L2_STD_SECAM && |
| 1031 | curr_id != V4L2_STD_NTSC) |
| 1032 | id &= ~curr_id; |
| 1033 | } |
| 1034 | if (i <= index) |
| 1035 | return -EINVAL; |
| 1036 | |
| 1037 | v4l2_video_std_construct(p, curr_id, descr); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1038 | |
| 1039 | dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, " |
| 1040 | "framelines=%d\n", p->index, |
| 1041 | (unsigned long long)p->id, p->name, |
| 1042 | p->frameperiod.numerator, |
| 1043 | p->frameperiod.denominator, |
| 1044 | p->framelines); |
| 1045 | |
| 1046 | ret = 0; |
| 1047 | break; |
| 1048 | } |
| 1049 | case VIDIOC_G_STD: |
| 1050 | { |
| 1051 | v4l2_std_id *id = arg; |
| 1052 | |
| 1053 | ret = 0; |
| 1054 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1055 | if (ops->vidioc_g_std) |
| 1056 | ret = ops->vidioc_g_std(file, fh, id); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1057 | else |
| 1058 | *id = vfd->current_norm; |
| 1059 | |
| 1060 | if (!ret) |
| 1061 | dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id); |
| 1062 | break; |
| 1063 | } |
| 1064 | case VIDIOC_S_STD: |
| 1065 | { |
| 1066 | v4l2_std_id *id = arg, norm; |
| 1067 | |
| 1068 | dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id); |
| 1069 | |
| 1070 | norm = (*id) & vfd->tvnorms; |
| 1071 | if (vfd->tvnorms && !norm) /* Check if std is supported */ |
| 1072 | break; |
| 1073 | |
| 1074 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1075 | if (ops->vidioc_s_std) |
| 1076 | ret = ops->vidioc_s_std(file, fh, &norm); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1077 | else |
| 1078 | ret = -EINVAL; |
| 1079 | |
| 1080 | /* Updates standard information */ |
| 1081 | if (ret >= 0) |
| 1082 | vfd->current_norm = norm; |
| 1083 | break; |
| 1084 | } |
| 1085 | case VIDIOC_QUERYSTD: |
| 1086 | { |
| 1087 | v4l2_std_id *p = arg; |
| 1088 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1089 | if (!ops->vidioc_querystd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1090 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1091 | ret = ops->vidioc_querystd(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1092 | if (!ret) |
| 1093 | dbgarg(cmd, "detected std=%08Lx\n", |
| 1094 | (unsigned long long)*p); |
| 1095 | break; |
| 1096 | } |
| 1097 | /* ------ input switching ---------- */ |
| 1098 | /* FIXME: Inputs can be handled inside videodev2 */ |
| 1099 | case VIDIOC_ENUMINPUT: |
| 1100 | { |
| 1101 | struct v4l2_input *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1102 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1103 | if (!ops->vidioc_enum_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1104 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1105 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1106 | ret = ops->vidioc_enum_input(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1107 | if (!ret) |
| 1108 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1109 | "audioset=%d, " |
| 1110 | "tuner=%d, std=%08Lx, status=%d\n", |
| 1111 | p->index, p->name, p->type, p->audioset, |
| 1112 | p->tuner, |
| 1113 | (unsigned long long)p->std, |
| 1114 | p->status); |
| 1115 | break; |
| 1116 | } |
| 1117 | case VIDIOC_G_INPUT: |
| 1118 | { |
| 1119 | unsigned int *i = arg; |
| 1120 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1121 | if (!ops->vidioc_g_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1122 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1123 | ret = ops->vidioc_g_input(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1124 | if (!ret) |
| 1125 | dbgarg(cmd, "value=%d\n", *i); |
| 1126 | break; |
| 1127 | } |
| 1128 | case VIDIOC_S_INPUT: |
| 1129 | { |
| 1130 | unsigned int *i = arg; |
| 1131 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1132 | if (!ops->vidioc_s_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1133 | break; |
| 1134 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1135 | ret = ops->vidioc_s_input(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1136 | break; |
| 1137 | } |
| 1138 | |
| 1139 | /* ------ output switching ---------- */ |
| 1140 | case VIDIOC_ENUMOUTPUT: |
| 1141 | { |
| 1142 | struct v4l2_output *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1143 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1144 | if (!ops->vidioc_enum_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1145 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1146 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1147 | ret = ops->vidioc_enum_output(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1148 | if (!ret) |
| 1149 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1150 | "audioset=0x%x, " |
| 1151 | "modulator=%d, std=0x%08Lx\n", |
| 1152 | p->index, p->name, p->type, p->audioset, |
| 1153 | p->modulator, (unsigned long long)p->std); |
| 1154 | break; |
| 1155 | } |
| 1156 | case VIDIOC_G_OUTPUT: |
| 1157 | { |
| 1158 | unsigned int *i = arg; |
| 1159 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1160 | if (!ops->vidioc_g_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1161 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1162 | ret = ops->vidioc_g_output(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1163 | if (!ret) |
| 1164 | dbgarg(cmd, "value=%d\n", *i); |
| 1165 | break; |
| 1166 | } |
| 1167 | case VIDIOC_S_OUTPUT: |
| 1168 | { |
| 1169 | unsigned int *i = arg; |
| 1170 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1171 | if (!ops->vidioc_s_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1172 | break; |
| 1173 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1174 | ret = ops->vidioc_s_output(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1175 | break; |
| 1176 | } |
| 1177 | |
| 1178 | /* --- controls ---------------------------------------------- */ |
| 1179 | case VIDIOC_QUERYCTRL: |
| 1180 | { |
| 1181 | struct v4l2_queryctrl *p = arg; |
| 1182 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1183 | if (!ops->vidioc_queryctrl) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1184 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1185 | ret = ops->vidioc_queryctrl(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1186 | if (!ret) |
| 1187 | dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, " |
| 1188 | "step=%d, default=%d, flags=0x%08x\n", |
| 1189 | p->id, p->type, p->name, |
| 1190 | p->minimum, p->maximum, |
| 1191 | p->step, p->default_value, p->flags); |
| 1192 | else |
| 1193 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1194 | break; |
| 1195 | } |
| 1196 | case VIDIOC_G_CTRL: |
| 1197 | { |
| 1198 | struct v4l2_control *p = arg; |
| 1199 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1200 | if (ops->vidioc_g_ctrl) |
| 1201 | ret = ops->vidioc_g_ctrl(file, fh, p); |
| 1202 | else if (ops->vidioc_g_ext_ctrls) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1203 | struct v4l2_ext_controls ctrls; |
| 1204 | struct v4l2_ext_control ctrl; |
| 1205 | |
| 1206 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1207 | ctrls.count = 1; |
| 1208 | ctrls.controls = &ctrl; |
| 1209 | ctrl.id = p->id; |
| 1210 | ctrl.value = p->value; |
| 1211 | if (check_ext_ctrls(&ctrls, 1)) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1212 | ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1213 | if (ret == 0) |
| 1214 | p->value = ctrl.value; |
| 1215 | } |
| 1216 | } else |
| 1217 | break; |
| 1218 | if (!ret) |
| 1219 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1220 | else |
| 1221 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1222 | break; |
| 1223 | } |
| 1224 | case VIDIOC_S_CTRL: |
| 1225 | { |
| 1226 | struct v4l2_control *p = arg; |
| 1227 | struct v4l2_ext_controls ctrls; |
| 1228 | struct v4l2_ext_control ctrl; |
| 1229 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1230 | if (!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1231 | break; |
| 1232 | |
| 1233 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1234 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1235 | if (ops->vidioc_s_ctrl) { |
| 1236 | ret = ops->vidioc_s_ctrl(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1237 | break; |
| 1238 | } |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1239 | if (!ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1240 | break; |
| 1241 | |
| 1242 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1243 | ctrls.count = 1; |
| 1244 | ctrls.controls = &ctrl; |
| 1245 | ctrl.id = p->id; |
| 1246 | ctrl.value = p->value; |
| 1247 | if (check_ext_ctrls(&ctrls, 1)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1248 | ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1249 | break; |
| 1250 | } |
| 1251 | case VIDIOC_G_EXT_CTRLS: |
| 1252 | { |
| 1253 | struct v4l2_ext_controls *p = arg; |
| 1254 | |
| 1255 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1256 | if (!ops->vidioc_g_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1257 | break; |
| 1258 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1259 | ret = ops->vidioc_g_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1260 | v4l_print_ext_ctrls(cmd, vfd, p, !ret); |
| 1261 | break; |
| 1262 | } |
| 1263 | case VIDIOC_S_EXT_CTRLS: |
| 1264 | { |
| 1265 | struct v4l2_ext_controls *p = arg; |
| 1266 | |
| 1267 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1268 | if (!ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1269 | break; |
| 1270 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
| 1271 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1272 | ret = ops->vidioc_s_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1273 | break; |
| 1274 | } |
| 1275 | case VIDIOC_TRY_EXT_CTRLS: |
| 1276 | { |
| 1277 | struct v4l2_ext_controls *p = arg; |
| 1278 | |
| 1279 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1280 | if (!ops->vidioc_try_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1281 | break; |
| 1282 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
| 1283 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1284 | ret = ops->vidioc_try_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1285 | break; |
| 1286 | } |
| 1287 | case VIDIOC_QUERYMENU: |
| 1288 | { |
| 1289 | struct v4l2_querymenu *p = arg; |
| 1290 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1291 | if (!ops->vidioc_querymenu) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1292 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1293 | ret = ops->vidioc_querymenu(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1294 | if (!ret) |
| 1295 | dbgarg(cmd, "id=0x%x, index=%d, name=%s\n", |
| 1296 | p->id, p->index, p->name); |
| 1297 | else |
| 1298 | dbgarg(cmd, "id=0x%x, index=%d\n", |
| 1299 | p->id, p->index); |
| 1300 | break; |
| 1301 | } |
| 1302 | /* --- audio ---------------------------------------------- */ |
| 1303 | case VIDIOC_ENUMAUDIO: |
| 1304 | { |
| 1305 | struct v4l2_audio *p = arg; |
| 1306 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1307 | if (!ops->vidioc_enumaudio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1308 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1309 | ret = ops->vidioc_enumaudio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1310 | if (!ret) |
| 1311 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1312 | "mode=0x%x\n", p->index, p->name, |
| 1313 | p->capability, p->mode); |
| 1314 | else |
| 1315 | dbgarg(cmd, "index=%d\n", p->index); |
| 1316 | break; |
| 1317 | } |
| 1318 | case VIDIOC_G_AUDIO: |
| 1319 | { |
| 1320 | struct v4l2_audio *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1321 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1322 | if (!ops->vidioc_g_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1323 | break; |
| 1324 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1325 | ret = ops->vidioc_g_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1326 | if (!ret) |
| 1327 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1328 | "mode=0x%x\n", p->index, |
| 1329 | p->name, p->capability, p->mode); |
| 1330 | else |
| 1331 | dbgarg(cmd, "index=%d\n", p->index); |
| 1332 | break; |
| 1333 | } |
| 1334 | case VIDIOC_S_AUDIO: |
| 1335 | { |
| 1336 | struct v4l2_audio *p = arg; |
| 1337 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1338 | if (!ops->vidioc_s_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1339 | break; |
| 1340 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1341 | "mode=0x%x\n", p->index, p->name, |
| 1342 | p->capability, p->mode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1343 | ret = ops->vidioc_s_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1344 | break; |
| 1345 | } |
| 1346 | case VIDIOC_ENUMAUDOUT: |
| 1347 | { |
| 1348 | struct v4l2_audioout *p = arg; |
| 1349 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1350 | if (!ops->vidioc_enumaudout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1351 | break; |
| 1352 | dbgarg(cmd, "Enum for index=%d\n", p->index); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1353 | ret = ops->vidioc_enumaudout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1354 | if (!ret) |
| 1355 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1356 | "mode=%d\n", p->index, p->name, |
| 1357 | p->capability, p->mode); |
| 1358 | break; |
| 1359 | } |
| 1360 | case VIDIOC_G_AUDOUT: |
| 1361 | { |
| 1362 | struct v4l2_audioout *p = arg; |
| 1363 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1364 | if (!ops->vidioc_g_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1365 | break; |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1366 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1367 | ret = ops->vidioc_g_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1368 | if (!ret) |
| 1369 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1370 | "mode=%d\n", p->index, p->name, |
| 1371 | p->capability, p->mode); |
| 1372 | break; |
| 1373 | } |
| 1374 | case VIDIOC_S_AUDOUT: |
| 1375 | { |
| 1376 | struct v4l2_audioout *p = arg; |
| 1377 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1378 | if (!ops->vidioc_s_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1379 | break; |
| 1380 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1381 | "mode=%d\n", p->index, p->name, |
| 1382 | p->capability, p->mode); |
| 1383 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1384 | ret = ops->vidioc_s_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1385 | break; |
| 1386 | } |
| 1387 | case VIDIOC_G_MODULATOR: |
| 1388 | { |
| 1389 | struct v4l2_modulator *p = arg; |
| 1390 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1391 | if (!ops->vidioc_g_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1392 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1393 | ret = ops->vidioc_g_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1394 | if (!ret) |
| 1395 | dbgarg(cmd, "index=%d, name=%s, " |
| 1396 | "capability=%d, rangelow=%d," |
| 1397 | " rangehigh=%d, txsubchans=%d\n", |
| 1398 | p->index, p->name, p->capability, |
| 1399 | p->rangelow, p->rangehigh, |
| 1400 | p->txsubchans); |
| 1401 | break; |
| 1402 | } |
| 1403 | case VIDIOC_S_MODULATOR: |
| 1404 | { |
| 1405 | struct v4l2_modulator *p = arg; |
| 1406 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1407 | if (!ops->vidioc_s_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1408 | break; |
| 1409 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1410 | "rangelow=%d, rangehigh=%d, txsubchans=%d\n", |
| 1411 | p->index, p->name, p->capability, p->rangelow, |
| 1412 | p->rangehigh, p->txsubchans); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1413 | ret = ops->vidioc_s_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1414 | break; |
| 1415 | } |
| 1416 | case VIDIOC_G_CROP: |
| 1417 | { |
| 1418 | struct v4l2_crop *p = arg; |
| 1419 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1420 | if (!ops->vidioc_g_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1421 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1422 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1423 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1424 | ret = ops->vidioc_g_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1425 | if (!ret) |
| 1426 | dbgrect(vfd, "", &p->c); |
| 1427 | break; |
| 1428 | } |
| 1429 | case VIDIOC_S_CROP: |
| 1430 | { |
| 1431 | struct v4l2_crop *p = arg; |
| 1432 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1433 | if (!ops->vidioc_s_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1434 | break; |
| 1435 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
| 1436 | dbgrect(vfd, "", &p->c); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1437 | ret = ops->vidioc_s_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1438 | break; |
| 1439 | } |
| 1440 | case VIDIOC_CROPCAP: |
| 1441 | { |
| 1442 | struct v4l2_cropcap *p = arg; |
| 1443 | |
| 1444 | /*FIXME: Should also show v4l2_fract pixelaspect */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1445 | if (!ops->vidioc_cropcap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1446 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1447 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1448 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1449 | ret = ops->vidioc_cropcap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1450 | if (!ret) { |
| 1451 | dbgrect(vfd, "bounds ", &p->bounds); |
| 1452 | dbgrect(vfd, "defrect ", &p->defrect); |
| 1453 | } |
| 1454 | break; |
| 1455 | } |
| 1456 | case VIDIOC_G_JPEGCOMP: |
| 1457 | { |
| 1458 | struct v4l2_jpegcompression *p = arg; |
| 1459 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1460 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1461 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1462 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1463 | ret = ops->vidioc_g_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1464 | if (!ret) |
| 1465 | dbgarg(cmd, "quality=%d, APPn=%d, " |
| 1466 | "APP_len=%d, COM_len=%d, " |
| 1467 | "jpeg_markers=%d\n", |
| 1468 | p->quality, p->APPn, p->APP_len, |
| 1469 | p->COM_len, p->jpeg_markers); |
| 1470 | break; |
| 1471 | } |
| 1472 | case VIDIOC_S_JPEGCOMP: |
| 1473 | { |
| 1474 | struct v4l2_jpegcompression *p = arg; |
| 1475 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1476 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1477 | break; |
| 1478 | dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, " |
| 1479 | "COM_len=%d, jpeg_markers=%d\n", |
| 1480 | p->quality, p->APPn, p->APP_len, |
| 1481 | p->COM_len, p->jpeg_markers); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1482 | ret = ops->vidioc_s_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1483 | break; |
| 1484 | } |
| 1485 | case VIDIOC_G_ENC_INDEX: |
| 1486 | { |
| 1487 | struct v4l2_enc_idx *p = arg; |
| 1488 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1489 | if (!ops->vidioc_g_enc_index) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1490 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1491 | ret = ops->vidioc_g_enc_index(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1492 | if (!ret) |
| 1493 | dbgarg(cmd, "entries=%d, entries_cap=%d\n", |
| 1494 | p->entries, p->entries_cap); |
| 1495 | break; |
| 1496 | } |
| 1497 | case VIDIOC_ENCODER_CMD: |
| 1498 | { |
| 1499 | struct v4l2_encoder_cmd *p = arg; |
| 1500 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1501 | if (!ops->vidioc_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1502 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1503 | ret = ops->vidioc_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1504 | if (!ret) |
| 1505 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1506 | break; |
| 1507 | } |
| 1508 | case VIDIOC_TRY_ENCODER_CMD: |
| 1509 | { |
| 1510 | struct v4l2_encoder_cmd *p = arg; |
| 1511 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1512 | if (!ops->vidioc_try_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1513 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1514 | ret = ops->vidioc_try_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1515 | if (!ret) |
| 1516 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1517 | break; |
| 1518 | } |
| 1519 | case VIDIOC_G_PARM: |
| 1520 | { |
| 1521 | struct v4l2_streamparm *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1522 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1523 | if (ops->vidioc_g_parm) { |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1524 | ret = check_fmt(ops, p->type); |
| 1525 | if (ret) |
| 1526 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1527 | ret = ops->vidioc_g_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1528 | } else { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1529 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1530 | return -EINVAL; |
| 1531 | |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1532 | v4l2_video_std_frame_period(vfd->current_norm, |
| 1533 | &p->parm.capture.timeperframe); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1534 | ret = 0; |
| 1535 | } |
| 1536 | |
| 1537 | dbgarg(cmd, "type=%d\n", p->type); |
| 1538 | break; |
| 1539 | } |
| 1540 | case VIDIOC_S_PARM: |
| 1541 | { |
| 1542 | struct v4l2_streamparm *p = arg; |
| 1543 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1544 | if (!ops->vidioc_s_parm) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1545 | break; |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1546 | ret = check_fmt(ops, p->type); |
| 1547 | if (ret) |
| 1548 | break; |
| 1549 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1550 | dbgarg(cmd, "type=%d\n", p->type); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1551 | ret = ops->vidioc_s_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1552 | break; |
| 1553 | } |
| 1554 | case VIDIOC_G_TUNER: |
| 1555 | { |
| 1556 | struct v4l2_tuner *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1557 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1558 | if (!ops->vidioc_g_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1559 | break; |
| 1560 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1561 | ret = ops->vidioc_g_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1562 | if (!ret) |
| 1563 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1564 | "capability=0x%x, rangelow=%d, " |
| 1565 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1566 | "rxsubchans=0x%x, audmode=%d\n", |
| 1567 | p->index, p->name, p->type, |
| 1568 | p->capability, p->rangelow, |
| 1569 | p->rangehigh, p->signal, p->afc, |
| 1570 | p->rxsubchans, p->audmode); |
| 1571 | break; |
| 1572 | } |
| 1573 | case VIDIOC_S_TUNER: |
| 1574 | { |
| 1575 | struct v4l2_tuner *p = arg; |
| 1576 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1577 | if (!ops->vidioc_s_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1578 | break; |
| 1579 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1580 | "capability=0x%x, rangelow=%d, " |
| 1581 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1582 | "rxsubchans=0x%x, audmode=%d\n", |
| 1583 | p->index, p->name, p->type, |
| 1584 | p->capability, p->rangelow, |
| 1585 | p->rangehigh, p->signal, p->afc, |
| 1586 | p->rxsubchans, p->audmode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1587 | ret = ops->vidioc_s_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1588 | break; |
| 1589 | } |
| 1590 | case VIDIOC_G_FREQUENCY: |
| 1591 | { |
| 1592 | struct v4l2_frequency *p = arg; |
| 1593 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1594 | if (!ops->vidioc_g_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1595 | break; |
| 1596 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1597 | ret = ops->vidioc_g_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1598 | if (!ret) |
| 1599 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1600 | p->tuner, p->type, p->frequency); |
| 1601 | break; |
| 1602 | } |
| 1603 | case VIDIOC_S_FREQUENCY: |
| 1604 | { |
| 1605 | struct v4l2_frequency *p = arg; |
| 1606 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1607 | if (!ops->vidioc_s_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1608 | break; |
| 1609 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1610 | p->tuner, p->type, p->frequency); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1611 | ret = ops->vidioc_s_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1612 | break; |
| 1613 | } |
| 1614 | case VIDIOC_G_SLICED_VBI_CAP: |
| 1615 | { |
| 1616 | struct v4l2_sliced_vbi_cap *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1617 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1618 | if (!ops->vidioc_g_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1619 | break; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1620 | |
| 1621 | /* Clear up to type, everything after type is zerod already */ |
| 1622 | memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); |
| 1623 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1624 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1625 | ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1626 | if (!ret) |
| 1627 | dbgarg2("service_set=%d\n", p->service_set); |
| 1628 | break; |
| 1629 | } |
| 1630 | case VIDIOC_LOG_STATUS: |
| 1631 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1632 | if (!ops->vidioc_log_status) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1633 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1634 | ret = ops->vidioc_log_status(file, fh); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1635 | break; |
| 1636 | } |
| 1637 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1638 | case VIDIOC_DBG_G_REGISTER: |
| 1639 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1640 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1641 | |
| 1642 | if (!capable(CAP_SYS_ADMIN)) |
| 1643 | ret = -EPERM; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1644 | else if (ops->vidioc_g_register) |
| 1645 | ret = ops->vidioc_g_register(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1646 | break; |
| 1647 | } |
| 1648 | case VIDIOC_DBG_S_REGISTER: |
| 1649 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1650 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1651 | |
| 1652 | if (!capable(CAP_SYS_ADMIN)) |
| 1653 | ret = -EPERM; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1654 | else if (ops->vidioc_s_register) |
| 1655 | ret = ops->vidioc_s_register(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1656 | break; |
| 1657 | } |
| 1658 | #endif |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1659 | case VIDIOC_DBG_G_CHIP_IDENT: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1660 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1661 | struct v4l2_dbg_chip_ident *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1662 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1663 | if (!ops->vidioc_g_chip_ident) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1664 | break; |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 1665 | p->ident = V4L2_IDENT_NONE; |
| 1666 | p->revision = 0; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1667 | ret = ops->vidioc_g_chip_ident(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1668 | if (!ret) |
| 1669 | dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); |
| 1670 | break; |
| 1671 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1672 | case VIDIOC_S_HW_FREQ_SEEK: |
| 1673 | { |
| 1674 | struct v4l2_hw_freq_seek *p = arg; |
| 1675 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1676 | if (!ops->vidioc_s_hw_freq_seek) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1677 | break; |
| 1678 | dbgarg(cmd, |
| 1679 | "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", |
| 1680 | p->tuner, p->type, p->seek_upward, p->wrap_around); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1681 | ret = ops->vidioc_s_hw_freq_seek(file, fh, p); |
| 1682 | break; |
| 1683 | } |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1684 | case VIDIOC_ENUM_FRAMESIZES: |
| 1685 | { |
| 1686 | struct v4l2_frmsizeenum *p = arg; |
| 1687 | |
| 1688 | if (!ops->vidioc_enum_framesizes) |
| 1689 | break; |
| 1690 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1691 | ret = ops->vidioc_enum_framesizes(file, fh, p); |
| 1692 | dbgarg(cmd, |
| 1693 | "index=%d, pixelformat=%d, type=%d ", |
| 1694 | p->index, p->pixel_format, p->type); |
| 1695 | switch (p->type) { |
| 1696 | case V4L2_FRMSIZE_TYPE_DISCRETE: |
| 1697 | dbgarg2("width = %d, height=%d\n", |
| 1698 | p->discrete.width, p->discrete.height); |
| 1699 | break; |
| 1700 | case V4L2_FRMSIZE_TYPE_STEPWISE: |
| 1701 | dbgarg2("min %dx%d, max %dx%d, step %dx%d\n", |
| 1702 | p->stepwise.min_width, p->stepwise.min_height, |
| 1703 | p->stepwise.step_width, p->stepwise.step_height, |
| 1704 | p->stepwise.max_width, p->stepwise.max_height); |
| 1705 | break; |
| 1706 | case V4L2_FRMSIZE_TYPE_CONTINUOUS: |
| 1707 | dbgarg2("continuous\n"); |
| 1708 | break; |
| 1709 | default: |
| 1710 | dbgarg2("- Unknown type!\n"); |
| 1711 | } |
| 1712 | |
| 1713 | break; |
| 1714 | } |
| 1715 | case VIDIOC_ENUM_FRAMEINTERVALS: |
| 1716 | { |
| 1717 | struct v4l2_frmivalenum *p = arg; |
| 1718 | |
| 1719 | if (!ops->vidioc_enum_frameintervals) |
| 1720 | break; |
| 1721 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1722 | ret = ops->vidioc_enum_frameintervals(file, fh, p); |
| 1723 | dbgarg(cmd, |
| 1724 | "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ", |
| 1725 | p->index, p->pixel_format, |
| 1726 | p->width, p->height, p->type); |
| 1727 | switch (p->type) { |
| 1728 | case V4L2_FRMIVAL_TYPE_DISCRETE: |
| 1729 | dbgarg2("fps=%d/%d\n", |
| 1730 | p->discrete.numerator, |
| 1731 | p->discrete.denominator); |
| 1732 | break; |
| 1733 | case V4L2_FRMIVAL_TYPE_STEPWISE: |
Mauro Carvalho Chehab | 1958578 | 2008-11-12 01:03:02 -0300 | [diff] [blame] | 1734 | dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n", |
| 1735 | p->stepwise.min.numerator, |
| 1736 | p->stepwise.min.denominator, |
| 1737 | p->stepwise.max.numerator, |
| 1738 | p->stepwise.max.denominator, |
| 1739 | p->stepwise.step.numerator, |
| 1740 | p->stepwise.step.denominator); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1741 | break; |
| 1742 | case V4L2_FRMIVAL_TYPE_CONTINUOUS: |
| 1743 | dbgarg2("continuous\n"); |
| 1744 | break; |
| 1745 | default: |
| 1746 | dbgarg2("- Unknown type!\n"); |
| 1747 | } |
| 1748 | break; |
| 1749 | } |
| 1750 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1751 | default: |
| 1752 | { |
| 1753 | if (!ops->vidioc_default) |
| 1754 | break; |
| 1755 | ret = ops->vidioc_default(file, fh, cmd, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1756 | break; |
| 1757 | } |
| 1758 | } /* switch */ |
| 1759 | |
| 1760 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { |
| 1761 | if (ret < 0) { |
| 1762 | v4l_print_ioctl(vfd->name, cmd); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 1763 | printk(KERN_CONT " error %ld\n", ret); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | return ret; |
| 1768 | } |
| 1769 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1770 | /* In some cases, only a few fields are used as input, i.e. when the app sets |
| 1771 | * "index" and then the driver fills in the rest of the structure for the thing |
| 1772 | * with that index. We only need to copy up the first non-input field. */ |
| 1773 | static unsigned long cmd_input_size(unsigned int cmd) |
| 1774 | { |
| 1775 | /* Size of structure up to and including 'field' */ |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 1776 | #define CMDINSIZE(cmd, type, field) \ |
| 1777 | case VIDIOC_##cmd: \ |
| 1778 | return offsetof(struct v4l2_##type, field) + \ |
| 1779 | sizeof(((struct v4l2_##type *)0)->field); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1780 | |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 1781 | switch (cmd) { |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1782 | CMDINSIZE(ENUM_FMT, fmtdesc, type); |
| 1783 | CMDINSIZE(G_FMT, format, type); |
| 1784 | CMDINSIZE(QUERYBUF, buffer, type); |
| 1785 | CMDINSIZE(G_PARM, streamparm, type); |
| 1786 | CMDINSIZE(ENUMSTD, standard, index); |
| 1787 | CMDINSIZE(ENUMINPUT, input, index); |
| 1788 | CMDINSIZE(G_CTRL, control, id); |
| 1789 | CMDINSIZE(G_TUNER, tuner, index); |
| 1790 | CMDINSIZE(QUERYCTRL, queryctrl, id); |
| 1791 | CMDINSIZE(QUERYMENU, querymenu, index); |
| 1792 | CMDINSIZE(ENUMOUTPUT, output, index); |
| 1793 | CMDINSIZE(G_MODULATOR, modulator, index); |
| 1794 | CMDINSIZE(G_FREQUENCY, frequency, tuner); |
| 1795 | CMDINSIZE(CROPCAP, cropcap, type); |
| 1796 | CMDINSIZE(G_CROP, crop, type); |
| 1797 | CMDINSIZE(ENUMAUDIO, audio, index); |
| 1798 | CMDINSIZE(ENUMAUDOUT, audioout, index); |
| 1799 | CMDINSIZE(ENCODER_CMD, encoder_cmd, flags); |
| 1800 | CMDINSIZE(TRY_ENCODER_CMD, encoder_cmd, flags); |
| 1801 | CMDINSIZE(G_SLICED_VBI_CAP, sliced_vbi_cap, type); |
| 1802 | CMDINSIZE(ENUM_FRAMESIZES, frmsizeenum, pixel_format); |
| 1803 | CMDINSIZE(ENUM_FRAMEINTERVALS, frmivalenum, height); |
| 1804 | default: |
| 1805 | return _IOC_SIZE(cmd); |
| 1806 | } |
| 1807 | } |
| 1808 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 1809 | long video_ioctl2(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1810 | unsigned int cmd, unsigned long arg) |
| 1811 | { |
| 1812 | char sbuf[128]; |
| 1813 | void *mbuf = NULL; |
| 1814 | void *parg = NULL; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 1815 | long err = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1816 | int is_ext_ctrl; |
| 1817 | size_t ctrls_size = 0; |
| 1818 | void __user *user_ptr = NULL; |
| 1819 | |
| 1820 | #ifdef __OLD_VIDIOC_ |
| 1821 | cmd = video_fix_command(cmd); |
| 1822 | #endif |
| 1823 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || |
| 1824 | cmd == VIDIOC_TRY_EXT_CTRLS); |
| 1825 | |
| 1826 | /* Copy arguments into temp kernel buffer */ |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1827 | if (_IOC_DIR(cmd) != _IOC_NONE) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1828 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 1829 | parg = sbuf; |
| 1830 | } else { |
| 1831 | /* too big to allocate from stack */ |
| 1832 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 1833 | if (NULL == mbuf) |
| 1834 | return -ENOMEM; |
| 1835 | parg = mbuf; |
| 1836 | } |
| 1837 | |
| 1838 | err = -EFAULT; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1839 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 1840 | unsigned long n = cmd_input_size(cmd); |
| 1841 | |
| 1842 | if (copy_from_user(parg, (void __user *)arg, n)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1843 | goto out; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1844 | |
| 1845 | /* zero out anything we don't copy from userspace */ |
| 1846 | if (n < _IOC_SIZE(cmd)) |
| 1847 | memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1848 | } else { |
| 1849 | /* read-only ioctl */ |
| 1850 | memset(parg, 0, _IOC_SIZE(cmd)); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1851 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1852 | } |
| 1853 | |
| 1854 | if (is_ext_ctrl) { |
| 1855 | struct v4l2_ext_controls *p = parg; |
| 1856 | |
| 1857 | /* In case of an error, tell the caller that it wasn't |
| 1858 | a specific control that caused it. */ |
| 1859 | p->error_idx = p->count; |
| 1860 | user_ptr = (void __user *)p->controls; |
| 1861 | if (p->count) { |
| 1862 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; |
| 1863 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ |
| 1864 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); |
| 1865 | err = -ENOMEM; |
| 1866 | if (NULL == mbuf) |
| 1867 | goto out_ext_ctrl; |
| 1868 | err = -EFAULT; |
| 1869 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) |
| 1870 | goto out_ext_ctrl; |
| 1871 | p->controls = mbuf; |
| 1872 | } |
| 1873 | } |
| 1874 | |
| 1875 | /* Handles IOCTL */ |
Mauro Carvalho Chehab | b1f8840 | 2008-10-21 11:27:20 -0300 | [diff] [blame] | 1876 | err = __video_do_ioctl(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1877 | if (err == -ENOIOCTLCMD) |
| 1878 | err = -EINVAL; |
| 1879 | if (is_ext_ctrl) { |
| 1880 | struct v4l2_ext_controls *p = parg; |
| 1881 | |
| 1882 | p->controls = (void *)user_ptr; |
| 1883 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) |
| 1884 | err = -EFAULT; |
| 1885 | goto out_ext_ctrl; |
| 1886 | } |
| 1887 | if (err < 0) |
| 1888 | goto out; |
| 1889 | |
| 1890 | out_ext_ctrl: |
| 1891 | /* Copy results into user buffer */ |
| 1892 | switch (_IOC_DIR(cmd)) { |
| 1893 | case _IOC_READ: |
| 1894 | case (_IOC_WRITE | _IOC_READ): |
| 1895 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 1896 | err = -EFAULT; |
| 1897 | break; |
| 1898 | } |
| 1899 | |
| 1900 | out: |
| 1901 | kfree(mbuf); |
| 1902 | return err; |
| 1903 | } |
Mauro Carvalho Chehab | 8a522c9 | 2008-10-21 11:58:39 -0300 | [diff] [blame] | 1904 | EXPORT_SYMBOL(video_ioctl2); |