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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 16 | #include <linux/slab.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 17 | #include <linux/types.h> |
| 18 | #include <linux/kernel.h> |
| 19 | |
| 20 | #define __OLD_VIDIOC_ /* To allow fixing old calls */ |
Mauro Carvalho Chehab | 7e0a16f | 2009-03-10 05:31:34 -0300 | [diff] [blame] | 21 | #include <linux/videodev.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 22 | #include <linux/videodev2.h> |
| 23 | |
| 24 | #ifdef CONFIG_VIDEO_V4L1 |
| 25 | #include <linux/videodev.h> |
| 26 | #endif |
| 27 | #include <media/v4l2-common.h> |
| 28 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 29 | #include <media/v4l2-chip-ident.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 30 | |
| 31 | #define dbgarg(cmd, fmt, arg...) \ |
| 32 | do { \ |
| 33 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \ |
| 34 | printk(KERN_DEBUG "%s: ", vfd->name); \ |
| 35 | v4l_printk_ioctl(cmd); \ |
| 36 | printk(" " fmt, ## arg); \ |
| 37 | } \ |
| 38 | } while (0) |
| 39 | |
| 40 | #define dbgarg2(fmt, arg...) \ |
| 41 | do { \ |
| 42 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ |
| 43 | printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ |
| 44 | } while (0) |
| 45 | |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 46 | #define dbgarg3(fmt, arg...) \ |
| 47 | do { \ |
| 48 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ |
| 49 | printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\ |
| 50 | } while (0) |
| 51 | |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 52 | /* Zero out the end of the struct pointed to by p. Everthing after, but |
| 53 | * not including, the specified field is cleared. */ |
| 54 | #define CLEAR_AFTER_FIELD(p, field) \ |
| 55 | memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ |
| 56 | 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) |
| 57 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 58 | struct std_descr { |
| 59 | v4l2_std_id std; |
| 60 | const char *descr; |
| 61 | }; |
| 62 | |
| 63 | static const struct std_descr standards[] = { |
| 64 | { V4L2_STD_NTSC, "NTSC" }, |
| 65 | { V4L2_STD_NTSC_M, "NTSC-M" }, |
| 66 | { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, |
| 67 | { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, |
| 68 | { V4L2_STD_NTSC_443, "NTSC-443" }, |
| 69 | { V4L2_STD_PAL, "PAL" }, |
| 70 | { V4L2_STD_PAL_BG, "PAL-BG" }, |
| 71 | { V4L2_STD_PAL_B, "PAL-B" }, |
| 72 | { V4L2_STD_PAL_B1, "PAL-B1" }, |
| 73 | { V4L2_STD_PAL_G, "PAL-G" }, |
| 74 | { V4L2_STD_PAL_H, "PAL-H" }, |
| 75 | { V4L2_STD_PAL_I, "PAL-I" }, |
| 76 | { V4L2_STD_PAL_DK, "PAL-DK" }, |
| 77 | { V4L2_STD_PAL_D, "PAL-D" }, |
| 78 | { V4L2_STD_PAL_D1, "PAL-D1" }, |
| 79 | { V4L2_STD_PAL_K, "PAL-K" }, |
| 80 | { V4L2_STD_PAL_M, "PAL-M" }, |
| 81 | { V4L2_STD_PAL_N, "PAL-N" }, |
| 82 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, |
| 83 | { V4L2_STD_PAL_60, "PAL-60" }, |
| 84 | { V4L2_STD_SECAM, "SECAM" }, |
| 85 | { V4L2_STD_SECAM_B, "SECAM-B" }, |
| 86 | { V4L2_STD_SECAM_G, "SECAM-G" }, |
| 87 | { V4L2_STD_SECAM_H, "SECAM-H" }, |
| 88 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, |
| 89 | { V4L2_STD_SECAM_D, "SECAM-D" }, |
| 90 | { V4L2_STD_SECAM_K, "SECAM-K" }, |
| 91 | { V4L2_STD_SECAM_K1, "SECAM-K1" }, |
| 92 | { V4L2_STD_SECAM_L, "SECAM-L" }, |
| 93 | { V4L2_STD_SECAM_LC, "SECAM-Lc" }, |
| 94 | { 0, "Unknown" } |
| 95 | }; |
| 96 | |
| 97 | /* video4linux standard ID conversion to standard name |
| 98 | */ |
| 99 | const char *v4l2_norm_to_name(v4l2_std_id id) |
| 100 | { |
| 101 | u32 myid = id; |
| 102 | int i; |
| 103 | |
| 104 | /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle |
| 105 | 64 bit comparations. So, on that architecture, with some gcc |
| 106 | variants, compilation fails. Currently, the max value is 30bit wide. |
| 107 | */ |
| 108 | BUG_ON(myid != id); |
| 109 | |
| 110 | for (i = 0; standards[i].std; i++) |
| 111 | if (myid == standards[i].std) |
| 112 | break; |
| 113 | return standards[i].descr; |
| 114 | } |
| 115 | EXPORT_SYMBOL(v4l2_norm_to_name); |
| 116 | |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 117 | /* Returns frame period for the given standard */ |
| 118 | void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) |
| 119 | { |
| 120 | if (id & V4L2_STD_525_60) { |
| 121 | frameperiod->numerator = 1001; |
| 122 | frameperiod->denominator = 30000; |
| 123 | } else { |
| 124 | frameperiod->numerator = 1; |
| 125 | frameperiod->denominator = 25; |
| 126 | } |
| 127 | } |
| 128 | EXPORT_SYMBOL(v4l2_video_std_frame_period); |
| 129 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 130 | /* Fill in the fields of a v4l2_standard structure according to the |
| 131 | 'id' and 'transmission' parameters. Returns negative on error. */ |
| 132 | int v4l2_video_std_construct(struct v4l2_standard *vs, |
| 133 | int id, const char *name) |
| 134 | { |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 135 | vs->id = id; |
| 136 | v4l2_video_std_frame_period(id, &vs->frameperiod); |
| 137 | vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 138 | strlcpy(vs->name, name, sizeof(vs->name)); |
| 139 | return 0; |
| 140 | } |
| 141 | EXPORT_SYMBOL(v4l2_video_std_construct); |
| 142 | |
| 143 | /* ----------------------------------------------------------------- */ |
| 144 | /* some arrays for pretty-printing debug messages of enum types */ |
| 145 | |
| 146 | const char *v4l2_field_names[] = { |
| 147 | [V4L2_FIELD_ANY] = "any", |
| 148 | [V4L2_FIELD_NONE] = "none", |
| 149 | [V4L2_FIELD_TOP] = "top", |
| 150 | [V4L2_FIELD_BOTTOM] = "bottom", |
| 151 | [V4L2_FIELD_INTERLACED] = "interlaced", |
| 152 | [V4L2_FIELD_SEQ_TB] = "seq-tb", |
| 153 | [V4L2_FIELD_SEQ_BT] = "seq-bt", |
| 154 | [V4L2_FIELD_ALTERNATE] = "alternate", |
| 155 | [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", |
| 156 | [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", |
| 157 | }; |
| 158 | EXPORT_SYMBOL(v4l2_field_names); |
| 159 | |
| 160 | const char *v4l2_type_names[] = { |
| 161 | [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", |
| 162 | [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", |
| 163 | [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", |
| 164 | [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", |
| 165 | [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", |
| 166 | [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", |
| 167 | [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", |
| 168 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", |
| 169 | }; |
| 170 | EXPORT_SYMBOL(v4l2_type_names); |
| 171 | |
| 172 | static const char *v4l2_memory_names[] = { |
| 173 | [V4L2_MEMORY_MMAP] = "mmap", |
| 174 | [V4L2_MEMORY_USERPTR] = "userptr", |
| 175 | [V4L2_MEMORY_OVERLAY] = "overlay", |
| 176 | }; |
| 177 | |
| 178 | #define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ |
| 179 | arr[a] : "unknown") |
| 180 | |
| 181 | /* ------------------------------------------------------------------ */ |
| 182 | /* debug help functions */ |
| 183 | |
| 184 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 185 | static const char *v4l1_ioctls[] = { |
| 186 | [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", |
| 187 | [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", |
| 188 | [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", |
| 189 | [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", |
| 190 | [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", |
| 191 | [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", |
| 192 | [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", |
| 193 | [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", |
| 194 | [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", |
| 195 | [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", |
| 196 | [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", |
| 197 | [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", |
| 198 | [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", |
| 199 | [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", |
| 200 | [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", |
| 201 | [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", |
| 202 | [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", |
| 203 | [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", |
| 204 | [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", |
| 205 | [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", |
| 206 | [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", |
| 207 | [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", |
| 208 | [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", |
| 209 | [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", |
| 210 | [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", |
| 211 | [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", |
| 212 | [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", |
| 213 | [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", |
| 214 | [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" |
| 215 | }; |
| 216 | #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) |
| 217 | #endif |
| 218 | |
| 219 | static const char *v4l2_ioctls[] = { |
| 220 | [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", |
| 221 | [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", |
| 222 | [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", |
| 223 | [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", |
| 224 | [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", |
| 225 | [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", |
| 226 | [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", |
| 227 | [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", |
| 228 | [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", |
| 229 | [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", |
| 230 | [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", |
| 231 | [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", |
| 232 | [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", |
| 233 | [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", |
| 234 | [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", |
| 235 | [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", |
| 236 | [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", |
| 237 | [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", |
| 238 | [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", |
| 239 | [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", |
| 240 | [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", |
| 241 | [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", |
| 242 | [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", |
| 243 | [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", |
| 244 | [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", |
| 245 | [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", |
| 246 | [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", |
| 247 | [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", |
| 248 | [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", |
| 249 | [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", |
| 250 | [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", |
| 251 | [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", |
| 252 | [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", |
| 253 | [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", |
| 254 | [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", |
| 255 | [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", |
| 256 | [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", |
| 257 | [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", |
| 258 | [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", |
| 259 | [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", |
| 260 | [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", |
| 261 | [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", |
| 262 | [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", |
| 263 | [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", |
| 264 | [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", |
| 265 | [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", |
| 266 | [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", |
| 267 | [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", |
| 268 | [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", |
| 269 | [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", |
| 270 | [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", |
| 271 | [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", |
| 272 | [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", |
| 273 | [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", |
| 274 | [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", |
| 275 | #if 1 |
| 276 | [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", |
| 277 | [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", |
| 278 | [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", |
| 279 | [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", |
| 280 | [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", |
| 281 | |
| 282 | [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", |
| 283 | [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", |
| 284 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 285 | [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 286 | [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", |
| 287 | #endif |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 288 | [_IOC_NR(VIDIOC_ENUM_DV_PRESETS)] = "VIDIOC_ENUM_DV_PRESETS", |
| 289 | [_IOC_NR(VIDIOC_S_DV_PRESET)] = "VIDIOC_S_DV_PRESET", |
| 290 | [_IOC_NR(VIDIOC_G_DV_PRESET)] = "VIDIOC_G_DV_PRESET", |
| 291 | [_IOC_NR(VIDIOC_QUERY_DV_PRESET)] = "VIDIOC_QUERY_DV_PRESET", |
| 292 | [_IOC_NR(VIDIOC_S_DV_TIMINGS)] = "VIDIOC_S_DV_TIMINGS", |
| 293 | [_IOC_NR(VIDIOC_G_DV_TIMINGS)] = "VIDIOC_G_DV_TIMINGS", |
Sakari Ailus | fda1021 | 2010-02-24 19:19:05 -0300 | [diff] [blame^] | 294 | [_IOC_NR(VIDIOC_DQEVENT)] = "VIDIOC_DQEVENT", |
| 295 | [_IOC_NR(VIDIOC_SUBSCRIBE_EVENT)] = "VIDIOC_SUBSCRIBE_EVENT", |
| 296 | [_IOC_NR(VIDIOC_UNSUBSCRIBE_EVENT)] = "VIDIOC_UNSUBSCRIBE_EVENT", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 297 | }; |
| 298 | #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| 299 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 300 | /* Common ioctl debug function. This function can be used by |
| 301 | external ioctl messages as well as internal V4L ioctl */ |
| 302 | void v4l_printk_ioctl(unsigned int cmd) |
| 303 | { |
| 304 | char *dir, *type; |
| 305 | |
| 306 | switch (_IOC_TYPE(cmd)) { |
| 307 | case 'd': |
Hans Verkuil | 78a3b4d | 2009-04-01 03:41:09 -0300 | [diff] [blame] | 308 | type = "v4l2_int"; |
| 309 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 310 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 311 | case 'v': |
| 312 | if (_IOC_NR(cmd) >= V4L1_IOCTLS) { |
| 313 | type = "v4l1"; |
| 314 | break; |
| 315 | } |
| 316 | printk("%s", v4l1_ioctls[_IOC_NR(cmd)]); |
| 317 | return; |
| 318 | #endif |
| 319 | case 'V': |
| 320 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) { |
| 321 | type = "v4l2"; |
| 322 | break; |
| 323 | } |
| 324 | printk("%s", v4l2_ioctls[_IOC_NR(cmd)]); |
| 325 | return; |
| 326 | default: |
| 327 | type = "unknown"; |
| 328 | } |
| 329 | |
| 330 | switch (_IOC_DIR(cmd)) { |
| 331 | case _IOC_NONE: dir = "--"; break; |
| 332 | case _IOC_READ: dir = "r-"; break; |
| 333 | case _IOC_WRITE: dir = "-w"; break; |
| 334 | case _IOC_READ | _IOC_WRITE: dir = "rw"; break; |
| 335 | default: dir = "*ERR*"; break; |
| 336 | } |
| 337 | printk("%s ioctl '%c', dir=%s, #%d (0x%08x)", |
| 338 | type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); |
| 339 | } |
| 340 | EXPORT_SYMBOL(v4l_printk_ioctl); |
| 341 | |
| 342 | /* |
| 343 | * helper function -- handles userspace copying for ioctl arguments |
| 344 | */ |
| 345 | |
| 346 | #ifdef __OLD_VIDIOC_ |
| 347 | static unsigned int |
| 348 | video_fix_command(unsigned int cmd) |
| 349 | { |
| 350 | switch (cmd) { |
| 351 | case VIDIOC_OVERLAY_OLD: |
| 352 | cmd = VIDIOC_OVERLAY; |
| 353 | break; |
| 354 | case VIDIOC_S_PARM_OLD: |
| 355 | cmd = VIDIOC_S_PARM; |
| 356 | break; |
| 357 | case VIDIOC_S_CTRL_OLD: |
| 358 | cmd = VIDIOC_S_CTRL; |
| 359 | break; |
| 360 | case VIDIOC_G_AUDIO_OLD: |
| 361 | cmd = VIDIOC_G_AUDIO; |
| 362 | break; |
| 363 | case VIDIOC_G_AUDOUT_OLD: |
| 364 | cmd = VIDIOC_G_AUDOUT; |
| 365 | break; |
| 366 | case VIDIOC_CROPCAP_OLD: |
| 367 | cmd = VIDIOC_CROPCAP; |
| 368 | break; |
| 369 | } |
| 370 | return cmd; |
| 371 | } |
| 372 | #endif |
| 373 | |
| 374 | /* |
| 375 | * Obsolete usercopy function - Should be removed soon |
| 376 | */ |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 377 | long |
Hans Verkuil | f473bf7 | 2008-11-01 08:25:11 -0300 | [diff] [blame] | 378 | video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, |
| 379 | v4l2_kioctl func) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 380 | { |
| 381 | char sbuf[128]; |
| 382 | void *mbuf = NULL; |
| 383 | void *parg = NULL; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 384 | long err = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 385 | int is_ext_ctrl; |
| 386 | size_t ctrls_size = 0; |
| 387 | void __user *user_ptr = NULL; |
| 388 | |
| 389 | #ifdef __OLD_VIDIOC_ |
| 390 | cmd = video_fix_command(cmd); |
| 391 | #endif |
| 392 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || |
| 393 | cmd == VIDIOC_TRY_EXT_CTRLS); |
| 394 | |
| 395 | /* Copy arguments into temp kernel buffer */ |
| 396 | switch (_IOC_DIR(cmd)) { |
| 397 | case _IOC_NONE: |
| 398 | parg = NULL; |
| 399 | break; |
| 400 | case _IOC_READ: |
| 401 | case _IOC_WRITE: |
| 402 | case (_IOC_WRITE | _IOC_READ): |
| 403 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 404 | parg = sbuf; |
| 405 | } else { |
| 406 | /* too big to allocate from stack */ |
| 407 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 408 | if (NULL == mbuf) |
| 409 | return -ENOMEM; |
| 410 | parg = mbuf; |
| 411 | } |
| 412 | |
| 413 | err = -EFAULT; |
| 414 | if (_IOC_DIR(cmd) & _IOC_WRITE) |
| 415 | if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd))) |
| 416 | goto out; |
| 417 | break; |
| 418 | } |
| 419 | if (is_ext_ctrl) { |
| 420 | struct v4l2_ext_controls *p = parg; |
| 421 | |
| 422 | /* In case of an error, tell the caller that it wasn't |
| 423 | a specific control that caused it. */ |
| 424 | p->error_idx = p->count; |
| 425 | user_ptr = (void __user *)p->controls; |
| 426 | if (p->count) { |
| 427 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; |
| 428 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ |
| 429 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); |
| 430 | err = -ENOMEM; |
| 431 | if (NULL == mbuf) |
| 432 | goto out_ext_ctrl; |
| 433 | err = -EFAULT; |
| 434 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) |
| 435 | goto out_ext_ctrl; |
| 436 | p->controls = mbuf; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /* call driver */ |
Hans Verkuil | f473bf7 | 2008-11-01 08:25:11 -0300 | [diff] [blame] | 441 | err = func(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 442 | if (err == -ENOIOCTLCMD) |
| 443 | err = -EINVAL; |
| 444 | if (is_ext_ctrl) { |
| 445 | struct v4l2_ext_controls *p = parg; |
| 446 | |
| 447 | p->controls = (void *)user_ptr; |
| 448 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) |
| 449 | err = -EFAULT; |
| 450 | goto out_ext_ctrl; |
| 451 | } |
| 452 | if (err < 0) |
| 453 | goto out; |
| 454 | |
| 455 | out_ext_ctrl: |
| 456 | /* Copy results into user buffer */ |
| 457 | switch (_IOC_DIR(cmd)) { |
| 458 | case _IOC_READ: |
| 459 | case (_IOC_WRITE | _IOC_READ): |
| 460 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 461 | err = -EFAULT; |
| 462 | break; |
| 463 | } |
| 464 | |
| 465 | out: |
| 466 | kfree(mbuf); |
| 467 | return err; |
| 468 | } |
| 469 | EXPORT_SYMBOL(video_usercopy); |
| 470 | |
| 471 | static void dbgbuf(unsigned int cmd, struct video_device *vfd, |
| 472 | struct v4l2_buffer *p) |
| 473 | { |
| 474 | struct v4l2_timecode *tc = &p->timecode; |
| 475 | |
| 476 | dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, " |
| 477 | "bytesused=%d, flags=0x%08d, " |
| 478 | "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx, length=%d\n", |
| 479 | p->timestamp.tv_sec / 3600, |
| 480 | (int)(p->timestamp.tv_sec / 60) % 60, |
| 481 | (int)(p->timestamp.tv_sec % 60), |
Alexander Beregalov | b045979 | 2008-09-03 16:47:38 -0300 | [diff] [blame] | 482 | (long)p->timestamp.tv_usec, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 483 | p->index, |
| 484 | prt_names(p->type, v4l2_type_names), |
| 485 | p->bytesused, p->flags, |
| 486 | p->field, p->sequence, |
| 487 | prt_names(p->memory, v4l2_memory_names), |
| 488 | p->m.userptr, p->length); |
| 489 | dbgarg2("timecode=%02d:%02d:%02d type=%d, " |
| 490 | "flags=0x%08d, frames=%d, userbits=0x%08x\n", |
| 491 | tc->hours, tc->minutes, tc->seconds, |
| 492 | tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); |
| 493 | } |
| 494 | |
| 495 | static inline void dbgrect(struct video_device *vfd, char *s, |
| 496 | struct v4l2_rect *r) |
| 497 | { |
| 498 | dbgarg2("%sRect start at %dx%d, size=%dx%d\n", s, r->left, r->top, |
| 499 | r->width, r->height); |
| 500 | }; |
| 501 | |
| 502 | static inline void v4l_print_pix_fmt(struct video_device *vfd, |
| 503 | struct v4l2_pix_format *fmt) |
| 504 | { |
| 505 | dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, " |
| 506 | "bytesperline=%d sizeimage=%d, colorspace=%d\n", |
| 507 | fmt->width, fmt->height, |
| 508 | (fmt->pixelformat & 0xff), |
| 509 | (fmt->pixelformat >> 8) & 0xff, |
| 510 | (fmt->pixelformat >> 16) & 0xff, |
| 511 | (fmt->pixelformat >> 24) & 0xff, |
| 512 | prt_names(fmt->field, v4l2_field_names), |
| 513 | fmt->bytesperline, fmt->sizeimage, fmt->colorspace); |
| 514 | }; |
| 515 | |
| 516 | static inline void v4l_print_ext_ctrls(unsigned int cmd, |
| 517 | struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals) |
| 518 | { |
| 519 | __u32 i; |
| 520 | |
| 521 | if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) |
| 522 | return; |
| 523 | dbgarg(cmd, ""); |
| 524 | printk(KERN_CONT "class=0x%x", c->ctrl_class); |
| 525 | for (i = 0; i < c->count; i++) { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 526 | if (show_vals && !c->controls[i].size) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 527 | printk(KERN_CONT " id/val=0x%x/0x%x", |
| 528 | c->controls[i].id, c->controls[i].value); |
| 529 | else |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 530 | printk(KERN_CONT " id=0x%x,size=%u", |
| 531 | c->controls[i].id, c->controls[i].size); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 532 | } |
| 533 | printk(KERN_CONT "\n"); |
| 534 | }; |
| 535 | |
| 536 | static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) |
| 537 | { |
| 538 | __u32 i; |
| 539 | |
| 540 | /* zero the reserved fields */ |
| 541 | c->reserved[0] = c->reserved[1] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 542 | for (i = 0; i < c->count; i++) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 543 | c->controls[i].reserved2[0] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 544 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 545 | /* V4L2_CID_PRIVATE_BASE cannot be used as control class |
| 546 | when using extended controls. |
| 547 | Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL |
| 548 | is it allowed for backwards compatibility. |
| 549 | */ |
| 550 | if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE) |
| 551 | return 0; |
| 552 | /* Check that all controls are from the same control class. */ |
| 553 | for (i = 0; i < c->count; i++) { |
| 554 | if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) { |
| 555 | c->error_idx = i; |
| 556 | return 0; |
| 557 | } |
| 558 | } |
| 559 | return 1; |
| 560 | } |
| 561 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 562 | 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] | 563 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 564 | if (ops == NULL) |
| 565 | return -EINVAL; |
| 566 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 567 | switch (type) { |
| 568 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 569 | if (ops->vidioc_g_fmt_vid_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 570 | return 0; |
| 571 | break; |
| 572 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 573 | if (ops->vidioc_g_fmt_vid_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 574 | return 0; |
| 575 | break; |
| 576 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 577 | if (ops->vidioc_g_fmt_vid_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 578 | return 0; |
| 579 | break; |
| 580 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 581 | if (ops->vidioc_g_fmt_vid_out_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 582 | return 0; |
| 583 | break; |
| 584 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 585 | if (ops->vidioc_g_fmt_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 586 | return 0; |
| 587 | break; |
| 588 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 589 | if (ops->vidioc_g_fmt_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 590 | return 0; |
| 591 | break; |
| 592 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 593 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 594 | return 0; |
| 595 | break; |
| 596 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 597 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 598 | return 0; |
| 599 | break; |
| 600 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 601 | if (ops->vidioc_g_fmt_type_private) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 602 | return 0; |
| 603 | break; |
| 604 | } |
| 605 | return -EINVAL; |
| 606 | } |
| 607 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 608 | static long __video_do_ioctl(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 609 | unsigned int cmd, void *arg) |
| 610 | { |
| 611 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 612 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
Hans Verkuil | d5fbf32 | 2008-10-18 13:39:53 -0300 | [diff] [blame] | 613 | void *fh = file->private_data; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 614 | long ret = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 615 | |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 616 | if (ops == NULL) { |
| 617 | printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n", |
| 618 | vfd->name); |
| 619 | return -EINVAL; |
| 620 | } |
| 621 | |
| 622 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 623 | /******************************************************** |
| 624 | All other V4L1 calls are handled by v4l1_compat module. |
| 625 | Those calls will be translated into V4L2 calls, and |
| 626 | __video_do_ioctl will be called again, with one or more |
| 627 | V4L2 ioctls. |
| 628 | ********************************************************/ |
| 629 | if (_IOC_TYPE(cmd) == 'v' && cmd != VIDIOCGMBUF && |
| 630 | _IOC_NR(cmd) < BASE_VIDIOCPRIVATE) { |
| 631 | return v4l_compat_translate_ioctl(file, cmd, arg, |
| 632 | __video_do_ioctl); |
| 633 | } |
| 634 | #endif |
| 635 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 636 | if ((vfd->debug & V4L2_DEBUG_IOCTL) && |
| 637 | !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) { |
| 638 | v4l_print_ioctl(vfd->name, cmd); |
| 639 | printk(KERN_CONT "\n"); |
| 640 | } |
| 641 | |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 642 | switch (cmd) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 643 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 644 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 645 | /*********************************************************** |
| 646 | Handles calls to the obsoleted V4L1 API |
| 647 | Due to the nature of VIDIOCGMBUF, each driver that supports |
| 648 | V4L1 should implement its own handler for this ioctl. |
| 649 | ***********************************************************/ |
| 650 | |
| 651 | /* --- streaming capture ------------------------------------- */ |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 652 | case VIDIOCGMBUF: |
| 653 | { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 654 | struct video_mbuf *p = arg; |
| 655 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 656 | if (!ops->vidiocgmbuf) |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 657 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 658 | ret = ops->vidiocgmbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 659 | if (!ret) |
| 660 | dbgarg(cmd, "size=%d, frames=%d, offsets=0x%08lx\n", |
| 661 | p->size, p->frames, |
| 662 | (unsigned long)p->offsets); |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 663 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 664 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 665 | #endif |
| 666 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 667 | /* --- capabilities ------------------------------------------ */ |
| 668 | case VIDIOC_QUERYCAP: |
| 669 | { |
| 670 | struct v4l2_capability *cap = (struct v4l2_capability *)arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 671 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 672 | if (!ops->vidioc_querycap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 673 | break; |
| 674 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 675 | ret = ops->vidioc_querycap(file, fh, cap); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 676 | if (!ret) |
| 677 | dbgarg(cmd, "driver=%s, card=%s, bus=%s, " |
| 678 | "version=0x%08x, " |
| 679 | "capabilities=0x%08x\n", |
| 680 | cap->driver, cap->card, cap->bus_info, |
| 681 | cap->version, |
| 682 | cap->capabilities); |
| 683 | break; |
| 684 | } |
| 685 | |
| 686 | /* --- priority ------------------------------------------ */ |
| 687 | case VIDIOC_G_PRIORITY: |
| 688 | { |
| 689 | enum v4l2_priority *p = arg; |
| 690 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 691 | if (!ops->vidioc_g_priority) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 692 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 693 | ret = ops->vidioc_g_priority(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 694 | if (!ret) |
| 695 | dbgarg(cmd, "priority is %d\n", *p); |
| 696 | break; |
| 697 | } |
| 698 | case VIDIOC_S_PRIORITY: |
| 699 | { |
| 700 | enum v4l2_priority *p = arg; |
| 701 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 702 | if (!ops->vidioc_s_priority) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 703 | break; |
| 704 | dbgarg(cmd, "setting priority to %d\n", *p); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 705 | ret = ops->vidioc_s_priority(file, fh, *p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 706 | break; |
| 707 | } |
| 708 | |
| 709 | /* --- capture ioctls ---------------------------------------- */ |
| 710 | case VIDIOC_ENUM_FMT: |
| 711 | { |
| 712 | struct v4l2_fmtdesc *f = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 713 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 714 | switch (f->type) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 715 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 716 | if (ops->vidioc_enum_fmt_vid_cap) |
| 717 | ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 718 | break; |
| 719 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 720 | if (ops->vidioc_enum_fmt_vid_overlay) |
| 721 | ret = ops->vidioc_enum_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 722 | fh, f); |
| 723 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 724 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 725 | if (ops->vidioc_enum_fmt_vid_out) |
| 726 | ret = ops->vidioc_enum_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 727 | break; |
| 728 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 729 | if (ops->vidioc_enum_fmt_type_private) |
| 730 | ret = ops->vidioc_enum_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 731 | fh, f); |
| 732 | break; |
| 733 | default: |
| 734 | break; |
| 735 | } |
| 736 | if (!ret) |
| 737 | dbgarg(cmd, "index=%d, type=%d, flags=%d, " |
| 738 | "pixelformat=%c%c%c%c, description='%s'\n", |
| 739 | f->index, f->type, f->flags, |
| 740 | (f->pixelformat & 0xff), |
| 741 | (f->pixelformat >> 8) & 0xff, |
| 742 | (f->pixelformat >> 16) & 0xff, |
| 743 | (f->pixelformat >> 24) & 0xff, |
| 744 | f->description); |
| 745 | break; |
| 746 | } |
| 747 | case VIDIOC_G_FMT: |
| 748 | { |
| 749 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 750 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 751 | /* FIXME: Should be one dump per type */ |
| 752 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 753 | |
| 754 | switch (f->type) { |
| 755 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 756 | if (ops->vidioc_g_fmt_vid_cap) |
| 757 | ret = ops->vidioc_g_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 758 | if (!ret) |
| 759 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 760 | break; |
| 761 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 762 | if (ops->vidioc_g_fmt_vid_overlay) |
| 763 | ret = ops->vidioc_g_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 764 | fh, f); |
| 765 | break; |
| 766 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 767 | if (ops->vidioc_g_fmt_vid_out) |
| 768 | ret = ops->vidioc_g_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 769 | if (!ret) |
| 770 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 771 | break; |
| 772 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 773 | if (ops->vidioc_g_fmt_vid_out_overlay) |
| 774 | ret = ops->vidioc_g_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 775 | fh, f); |
| 776 | break; |
| 777 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 778 | if (ops->vidioc_g_fmt_vbi_cap) |
| 779 | ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 780 | break; |
| 781 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 782 | if (ops->vidioc_g_fmt_vbi_out) |
| 783 | ret = ops->vidioc_g_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 784 | break; |
| 785 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 786 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
| 787 | ret = ops->vidioc_g_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 788 | fh, f); |
| 789 | break; |
| 790 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 791 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
| 792 | ret = ops->vidioc_g_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 793 | fh, f); |
| 794 | break; |
| 795 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 796 | if (ops->vidioc_g_fmt_type_private) |
| 797 | ret = ops->vidioc_g_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 798 | fh, f); |
| 799 | break; |
| 800 | } |
| 801 | |
| 802 | break; |
| 803 | } |
| 804 | case VIDIOC_S_FMT: |
| 805 | { |
| 806 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 807 | |
| 808 | /* FIXME: Should be one dump per type */ |
| 809 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 810 | |
| 811 | switch (f->type) { |
| 812 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 813 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 814 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 815 | if (ops->vidioc_s_fmt_vid_cap) |
| 816 | ret = ops->vidioc_s_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 817 | break; |
| 818 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 819 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 820 | if (ops->vidioc_s_fmt_vid_overlay) |
| 821 | ret = ops->vidioc_s_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 822 | fh, f); |
| 823 | break; |
| 824 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 825 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 826 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 827 | if (ops->vidioc_s_fmt_vid_out) |
| 828 | ret = ops->vidioc_s_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 829 | break; |
| 830 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 831 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 832 | if (ops->vidioc_s_fmt_vid_out_overlay) |
| 833 | ret = ops->vidioc_s_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 834 | fh, f); |
| 835 | break; |
| 836 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 837 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 838 | if (ops->vidioc_s_fmt_vbi_cap) |
| 839 | ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 840 | break; |
| 841 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 842 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 843 | if (ops->vidioc_s_fmt_vbi_out) |
| 844 | ret = ops->vidioc_s_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 845 | break; |
| 846 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 847 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 848 | if (ops->vidioc_s_fmt_sliced_vbi_cap) |
| 849 | ret = ops->vidioc_s_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 850 | fh, f); |
| 851 | break; |
| 852 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 853 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 854 | if (ops->vidioc_s_fmt_sliced_vbi_out) |
| 855 | ret = ops->vidioc_s_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 856 | fh, f); |
| 857 | break; |
| 858 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 859 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 860 | if (ops->vidioc_s_fmt_type_private) |
| 861 | ret = ops->vidioc_s_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 862 | fh, f); |
| 863 | break; |
| 864 | } |
| 865 | break; |
| 866 | } |
| 867 | case VIDIOC_TRY_FMT: |
| 868 | { |
| 869 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 870 | |
| 871 | /* FIXME: Should be one dump per type */ |
| 872 | dbgarg(cmd, "type=%s\n", prt_names(f->type, |
| 873 | v4l2_type_names)); |
| 874 | switch (f->type) { |
| 875 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 876 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 877 | if (ops->vidioc_try_fmt_vid_cap) |
| 878 | ret = ops->vidioc_try_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 879 | if (!ret) |
| 880 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 881 | break; |
| 882 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 883 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 884 | if (ops->vidioc_try_fmt_vid_overlay) |
| 885 | ret = ops->vidioc_try_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 886 | fh, f); |
| 887 | break; |
| 888 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 889 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 890 | if (ops->vidioc_try_fmt_vid_out) |
| 891 | ret = ops->vidioc_try_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 892 | if (!ret) |
| 893 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 894 | break; |
| 895 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 896 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 897 | if (ops->vidioc_try_fmt_vid_out_overlay) |
| 898 | ret = ops->vidioc_try_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 899 | fh, f); |
| 900 | break; |
| 901 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 902 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 903 | if (ops->vidioc_try_fmt_vbi_cap) |
| 904 | ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 905 | break; |
| 906 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 907 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 908 | if (ops->vidioc_try_fmt_vbi_out) |
| 909 | ret = ops->vidioc_try_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 910 | break; |
| 911 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 912 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 913 | if (ops->vidioc_try_fmt_sliced_vbi_cap) |
| 914 | ret = ops->vidioc_try_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 915 | fh, f); |
| 916 | break; |
| 917 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 918 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 919 | if (ops->vidioc_try_fmt_sliced_vbi_out) |
| 920 | ret = ops->vidioc_try_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 921 | fh, f); |
| 922 | break; |
| 923 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 924 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 925 | if (ops->vidioc_try_fmt_type_private) |
| 926 | ret = ops->vidioc_try_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 927 | fh, f); |
| 928 | break; |
| 929 | } |
| 930 | |
| 931 | break; |
| 932 | } |
| 933 | /* FIXME: Those buf reqs could be handled here, |
| 934 | with some changes on videobuf to allow its header to be included at |
| 935 | videodev2.h or being merged at videodev2. |
| 936 | */ |
| 937 | case VIDIOC_REQBUFS: |
| 938 | { |
| 939 | struct v4l2_requestbuffers *p = arg; |
| 940 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 941 | if (!ops->vidioc_reqbufs) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 942 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 943 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 944 | if (ret) |
| 945 | break; |
| 946 | |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 947 | if (p->type < V4L2_BUF_TYPE_PRIVATE) |
| 948 | CLEAR_AFTER_FIELD(p, memory); |
| 949 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 950 | ret = ops->vidioc_reqbufs(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 951 | dbgarg(cmd, "count=%d, type=%s, memory=%s\n", |
| 952 | p->count, |
| 953 | prt_names(p->type, v4l2_type_names), |
| 954 | prt_names(p->memory, v4l2_memory_names)); |
| 955 | break; |
| 956 | } |
| 957 | case VIDIOC_QUERYBUF: |
| 958 | { |
| 959 | struct v4l2_buffer *p = arg; |
| 960 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 961 | if (!ops->vidioc_querybuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 962 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 963 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 964 | if (ret) |
| 965 | break; |
| 966 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 967 | ret = ops->vidioc_querybuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 968 | if (!ret) |
| 969 | dbgbuf(cmd, vfd, p); |
| 970 | break; |
| 971 | } |
| 972 | case VIDIOC_QBUF: |
| 973 | { |
| 974 | struct v4l2_buffer *p = arg; |
| 975 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 976 | if (!ops->vidioc_qbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 977 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 978 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 979 | if (ret) |
| 980 | break; |
| 981 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 982 | ret = ops->vidioc_qbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 983 | if (!ret) |
| 984 | dbgbuf(cmd, vfd, p); |
| 985 | break; |
| 986 | } |
| 987 | case VIDIOC_DQBUF: |
| 988 | { |
| 989 | struct v4l2_buffer *p = arg; |
| 990 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 991 | if (!ops->vidioc_dqbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 992 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 993 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 994 | if (ret) |
| 995 | break; |
| 996 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 997 | ret = ops->vidioc_dqbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 998 | if (!ret) |
| 999 | dbgbuf(cmd, vfd, p); |
| 1000 | break; |
| 1001 | } |
| 1002 | case VIDIOC_OVERLAY: |
| 1003 | { |
| 1004 | int *i = arg; |
| 1005 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1006 | if (!ops->vidioc_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1007 | break; |
| 1008 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1009 | ret = ops->vidioc_overlay(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1010 | break; |
| 1011 | } |
| 1012 | case VIDIOC_G_FBUF: |
| 1013 | { |
| 1014 | struct v4l2_framebuffer *p = arg; |
| 1015 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1016 | if (!ops->vidioc_g_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1017 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1018 | ret = ops->vidioc_g_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1019 | if (!ret) { |
| 1020 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 1021 | p->capability, p->flags, |
| 1022 | (unsigned long)p->base); |
| 1023 | v4l_print_pix_fmt(vfd, &p->fmt); |
| 1024 | } |
| 1025 | break; |
| 1026 | } |
| 1027 | case VIDIOC_S_FBUF: |
| 1028 | { |
| 1029 | struct v4l2_framebuffer *p = arg; |
| 1030 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1031 | if (!ops->vidioc_s_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1032 | break; |
| 1033 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 1034 | p->capability, p->flags, (unsigned long)p->base); |
| 1035 | v4l_print_pix_fmt(vfd, &p->fmt); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1036 | ret = ops->vidioc_s_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1037 | break; |
| 1038 | } |
| 1039 | case VIDIOC_STREAMON: |
| 1040 | { |
| 1041 | enum v4l2_buf_type i = *(int *)arg; |
| 1042 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1043 | if (!ops->vidioc_streamon) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1044 | break; |
| 1045 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1046 | ret = ops->vidioc_streamon(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1047 | break; |
| 1048 | } |
| 1049 | case VIDIOC_STREAMOFF: |
| 1050 | { |
| 1051 | enum v4l2_buf_type i = *(int *)arg; |
| 1052 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1053 | if (!ops->vidioc_streamoff) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1054 | break; |
| 1055 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1056 | ret = ops->vidioc_streamoff(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1057 | break; |
| 1058 | } |
| 1059 | /* ---------- tv norms ---------- */ |
| 1060 | case VIDIOC_ENUMSTD: |
| 1061 | { |
| 1062 | struct v4l2_standard *p = arg; |
| 1063 | v4l2_std_id id = vfd->tvnorms, curr_id = 0; |
| 1064 | unsigned int index = p->index, i, j = 0; |
| 1065 | const char *descr = ""; |
| 1066 | |
| 1067 | /* Return norm array in a canonical way */ |
| 1068 | for (i = 0; i <= index && id; i++) { |
| 1069 | /* last std value in the standards array is 0, so this |
| 1070 | while always ends there since (id & 0) == 0. */ |
| 1071 | while ((id & standards[j].std) != standards[j].std) |
| 1072 | j++; |
| 1073 | curr_id = standards[j].std; |
| 1074 | descr = standards[j].descr; |
| 1075 | j++; |
| 1076 | if (curr_id == 0) |
| 1077 | break; |
| 1078 | if (curr_id != V4L2_STD_PAL && |
| 1079 | curr_id != V4L2_STD_SECAM && |
| 1080 | curr_id != V4L2_STD_NTSC) |
| 1081 | id &= ~curr_id; |
| 1082 | } |
| 1083 | if (i <= index) |
Hans Verkuil | 3f5e182 | 2010-04-06 08:14:11 -0300 | [diff] [blame] | 1084 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1085 | |
| 1086 | v4l2_video_std_construct(p, curr_id, descr); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1087 | |
| 1088 | dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, " |
| 1089 | "framelines=%d\n", p->index, |
| 1090 | (unsigned long long)p->id, p->name, |
| 1091 | p->frameperiod.numerator, |
| 1092 | p->frameperiod.denominator, |
| 1093 | p->framelines); |
| 1094 | |
| 1095 | ret = 0; |
| 1096 | break; |
| 1097 | } |
| 1098 | case VIDIOC_G_STD: |
| 1099 | { |
| 1100 | v4l2_std_id *id = arg; |
| 1101 | |
| 1102 | ret = 0; |
| 1103 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1104 | if (ops->vidioc_g_std) |
| 1105 | ret = ops->vidioc_g_std(file, fh, id); |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1106 | else if (vfd->current_norm) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1107 | *id = vfd->current_norm; |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1108 | else |
| 1109 | ret = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1110 | |
| 1111 | if (!ret) |
| 1112 | dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id); |
| 1113 | break; |
| 1114 | } |
| 1115 | case VIDIOC_S_STD: |
| 1116 | { |
| 1117 | v4l2_std_id *id = arg, norm; |
| 1118 | |
| 1119 | dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id); |
| 1120 | |
| 1121 | norm = (*id) & vfd->tvnorms; |
| 1122 | if (vfd->tvnorms && !norm) /* Check if std is supported */ |
| 1123 | break; |
| 1124 | |
| 1125 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1126 | if (ops->vidioc_s_std) |
| 1127 | ret = ops->vidioc_s_std(file, fh, &norm); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1128 | else |
| 1129 | ret = -EINVAL; |
| 1130 | |
| 1131 | /* Updates standard information */ |
| 1132 | if (ret >= 0) |
| 1133 | vfd->current_norm = norm; |
| 1134 | break; |
| 1135 | } |
| 1136 | case VIDIOC_QUERYSTD: |
| 1137 | { |
| 1138 | v4l2_std_id *p = arg; |
| 1139 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1140 | if (!ops->vidioc_querystd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1141 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1142 | ret = ops->vidioc_querystd(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1143 | if (!ret) |
| 1144 | dbgarg(cmd, "detected std=%08Lx\n", |
| 1145 | (unsigned long long)*p); |
| 1146 | break; |
| 1147 | } |
| 1148 | /* ------ input switching ---------- */ |
| 1149 | /* FIXME: Inputs can be handled inside videodev2 */ |
| 1150 | case VIDIOC_ENUMINPUT: |
| 1151 | { |
| 1152 | struct v4l2_input *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1153 | |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 1154 | /* |
| 1155 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & |
| 1156 | * CAP_STD here based on ioctl handler provided by the |
| 1157 | * driver. If the driver doesn't support these |
| 1158 | * for a specific input, it must override these flags. |
| 1159 | */ |
| 1160 | if (ops->vidioc_s_std) |
| 1161 | p->capabilities |= V4L2_IN_CAP_STD; |
| 1162 | if (ops->vidioc_s_dv_preset) |
| 1163 | p->capabilities |= V4L2_IN_CAP_PRESETS; |
| 1164 | if (ops->vidioc_s_dv_timings) |
| 1165 | p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS; |
| 1166 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1167 | if (!ops->vidioc_enum_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1168 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1169 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1170 | ret = ops->vidioc_enum_input(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1171 | if (!ret) |
| 1172 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1173 | "audioset=%d, " |
| 1174 | "tuner=%d, std=%08Lx, status=%d\n", |
| 1175 | p->index, p->name, p->type, p->audioset, |
| 1176 | p->tuner, |
| 1177 | (unsigned long long)p->std, |
| 1178 | p->status); |
| 1179 | break; |
| 1180 | } |
| 1181 | case VIDIOC_G_INPUT: |
| 1182 | { |
| 1183 | unsigned int *i = arg; |
| 1184 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1185 | if (!ops->vidioc_g_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1186 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1187 | ret = ops->vidioc_g_input(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1188 | if (!ret) |
| 1189 | dbgarg(cmd, "value=%d\n", *i); |
| 1190 | break; |
| 1191 | } |
| 1192 | case VIDIOC_S_INPUT: |
| 1193 | { |
| 1194 | unsigned int *i = arg; |
| 1195 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1196 | if (!ops->vidioc_s_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1197 | break; |
| 1198 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1199 | ret = ops->vidioc_s_input(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1200 | break; |
| 1201 | } |
| 1202 | |
| 1203 | /* ------ output switching ---------- */ |
| 1204 | case VIDIOC_ENUMOUTPUT: |
| 1205 | { |
| 1206 | struct v4l2_output *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1207 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1208 | if (!ops->vidioc_enum_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1209 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1210 | |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 1211 | /* |
| 1212 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & |
| 1213 | * CAP_STD here based on ioctl handler provided by the |
| 1214 | * driver. If the driver doesn't support these |
| 1215 | * for a specific output, it must override these flags. |
| 1216 | */ |
| 1217 | if (ops->vidioc_s_std) |
| 1218 | p->capabilities |= V4L2_OUT_CAP_STD; |
| 1219 | if (ops->vidioc_s_dv_preset) |
| 1220 | p->capabilities |= V4L2_OUT_CAP_PRESETS; |
| 1221 | if (ops->vidioc_s_dv_timings) |
| 1222 | p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS; |
| 1223 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1224 | ret = ops->vidioc_enum_output(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1225 | if (!ret) |
| 1226 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1227 | "audioset=0x%x, " |
| 1228 | "modulator=%d, std=0x%08Lx\n", |
| 1229 | p->index, p->name, p->type, p->audioset, |
| 1230 | p->modulator, (unsigned long long)p->std); |
| 1231 | break; |
| 1232 | } |
| 1233 | case VIDIOC_G_OUTPUT: |
| 1234 | { |
| 1235 | unsigned int *i = arg; |
| 1236 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1237 | if (!ops->vidioc_g_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1238 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1239 | ret = ops->vidioc_g_output(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1240 | if (!ret) |
| 1241 | dbgarg(cmd, "value=%d\n", *i); |
| 1242 | break; |
| 1243 | } |
| 1244 | case VIDIOC_S_OUTPUT: |
| 1245 | { |
| 1246 | unsigned int *i = arg; |
| 1247 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1248 | if (!ops->vidioc_s_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1249 | break; |
| 1250 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1251 | ret = ops->vidioc_s_output(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1252 | break; |
| 1253 | } |
| 1254 | |
| 1255 | /* --- controls ---------------------------------------------- */ |
| 1256 | case VIDIOC_QUERYCTRL: |
| 1257 | { |
| 1258 | struct v4l2_queryctrl *p = arg; |
| 1259 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1260 | if (!ops->vidioc_queryctrl) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1261 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1262 | ret = ops->vidioc_queryctrl(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1263 | if (!ret) |
| 1264 | dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, " |
| 1265 | "step=%d, default=%d, flags=0x%08x\n", |
| 1266 | p->id, p->type, p->name, |
| 1267 | p->minimum, p->maximum, |
| 1268 | p->step, p->default_value, p->flags); |
| 1269 | else |
| 1270 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1271 | break; |
| 1272 | } |
| 1273 | case VIDIOC_G_CTRL: |
| 1274 | { |
| 1275 | struct v4l2_control *p = arg; |
| 1276 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1277 | if (ops->vidioc_g_ctrl) |
| 1278 | ret = ops->vidioc_g_ctrl(file, fh, p); |
| 1279 | else if (ops->vidioc_g_ext_ctrls) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1280 | struct v4l2_ext_controls ctrls; |
| 1281 | struct v4l2_ext_control ctrl; |
| 1282 | |
| 1283 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1284 | ctrls.count = 1; |
| 1285 | ctrls.controls = &ctrl; |
| 1286 | ctrl.id = p->id; |
| 1287 | ctrl.value = p->value; |
| 1288 | if (check_ext_ctrls(&ctrls, 1)) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1289 | ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1290 | if (ret == 0) |
| 1291 | p->value = ctrl.value; |
| 1292 | } |
| 1293 | } else |
| 1294 | break; |
| 1295 | if (!ret) |
| 1296 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1297 | else |
| 1298 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1299 | break; |
| 1300 | } |
| 1301 | case VIDIOC_S_CTRL: |
| 1302 | { |
| 1303 | struct v4l2_control *p = arg; |
| 1304 | struct v4l2_ext_controls ctrls; |
| 1305 | struct v4l2_ext_control ctrl; |
| 1306 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1307 | if (!ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1308 | break; |
| 1309 | |
| 1310 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1311 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1312 | if (ops->vidioc_s_ctrl) { |
| 1313 | ret = ops->vidioc_s_ctrl(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1314 | break; |
| 1315 | } |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1316 | if (!ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1317 | break; |
| 1318 | |
| 1319 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1320 | ctrls.count = 1; |
| 1321 | ctrls.controls = &ctrl; |
| 1322 | ctrl.id = p->id; |
| 1323 | ctrl.value = p->value; |
| 1324 | if (check_ext_ctrls(&ctrls, 1)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1325 | ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1326 | break; |
| 1327 | } |
| 1328 | case VIDIOC_G_EXT_CTRLS: |
| 1329 | { |
| 1330 | struct v4l2_ext_controls *p = arg; |
| 1331 | |
| 1332 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1333 | if (!ops->vidioc_g_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1334 | break; |
| 1335 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1336 | ret = ops->vidioc_g_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1337 | v4l_print_ext_ctrls(cmd, vfd, p, !ret); |
| 1338 | break; |
| 1339 | } |
| 1340 | case VIDIOC_S_EXT_CTRLS: |
| 1341 | { |
| 1342 | struct v4l2_ext_controls *p = arg; |
| 1343 | |
| 1344 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1345 | if (!ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1346 | break; |
| 1347 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
| 1348 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1349 | ret = ops->vidioc_s_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1350 | break; |
| 1351 | } |
| 1352 | case VIDIOC_TRY_EXT_CTRLS: |
| 1353 | { |
| 1354 | struct v4l2_ext_controls *p = arg; |
| 1355 | |
| 1356 | p->error_idx = p->count; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1357 | if (!ops->vidioc_try_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1358 | break; |
| 1359 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
| 1360 | if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1361 | ret = ops->vidioc_try_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1362 | break; |
| 1363 | } |
| 1364 | case VIDIOC_QUERYMENU: |
| 1365 | { |
| 1366 | struct v4l2_querymenu *p = arg; |
| 1367 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1368 | if (!ops->vidioc_querymenu) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1369 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1370 | ret = ops->vidioc_querymenu(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1371 | if (!ret) |
| 1372 | dbgarg(cmd, "id=0x%x, index=%d, name=%s\n", |
| 1373 | p->id, p->index, p->name); |
| 1374 | else |
| 1375 | dbgarg(cmd, "id=0x%x, index=%d\n", |
| 1376 | p->id, p->index); |
| 1377 | break; |
| 1378 | } |
| 1379 | /* --- audio ---------------------------------------------- */ |
| 1380 | case VIDIOC_ENUMAUDIO: |
| 1381 | { |
| 1382 | struct v4l2_audio *p = arg; |
| 1383 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1384 | if (!ops->vidioc_enumaudio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1385 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1386 | ret = ops->vidioc_enumaudio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1387 | if (!ret) |
| 1388 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1389 | "mode=0x%x\n", p->index, p->name, |
| 1390 | p->capability, p->mode); |
| 1391 | else |
| 1392 | dbgarg(cmd, "index=%d\n", p->index); |
| 1393 | break; |
| 1394 | } |
| 1395 | case VIDIOC_G_AUDIO: |
| 1396 | { |
| 1397 | struct v4l2_audio *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1398 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1399 | if (!ops->vidioc_g_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1400 | break; |
| 1401 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1402 | ret = ops->vidioc_g_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1403 | if (!ret) |
| 1404 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1405 | "mode=0x%x\n", p->index, |
| 1406 | p->name, p->capability, p->mode); |
| 1407 | else |
| 1408 | dbgarg(cmd, "index=%d\n", p->index); |
| 1409 | break; |
| 1410 | } |
| 1411 | case VIDIOC_S_AUDIO: |
| 1412 | { |
| 1413 | struct v4l2_audio *p = arg; |
| 1414 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1415 | if (!ops->vidioc_s_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1416 | break; |
| 1417 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1418 | "mode=0x%x\n", p->index, p->name, |
| 1419 | p->capability, p->mode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1420 | ret = ops->vidioc_s_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1421 | break; |
| 1422 | } |
| 1423 | case VIDIOC_ENUMAUDOUT: |
| 1424 | { |
| 1425 | struct v4l2_audioout *p = arg; |
| 1426 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1427 | if (!ops->vidioc_enumaudout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1428 | break; |
| 1429 | dbgarg(cmd, "Enum for index=%d\n", p->index); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1430 | ret = ops->vidioc_enumaudout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1431 | if (!ret) |
| 1432 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1433 | "mode=%d\n", p->index, p->name, |
| 1434 | p->capability, p->mode); |
| 1435 | break; |
| 1436 | } |
| 1437 | case VIDIOC_G_AUDOUT: |
| 1438 | { |
| 1439 | struct v4l2_audioout *p = arg; |
| 1440 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1441 | if (!ops->vidioc_g_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1442 | break; |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1443 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1444 | ret = ops->vidioc_g_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1445 | if (!ret) |
| 1446 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1447 | "mode=%d\n", p->index, p->name, |
| 1448 | p->capability, p->mode); |
| 1449 | break; |
| 1450 | } |
| 1451 | case VIDIOC_S_AUDOUT: |
| 1452 | { |
| 1453 | struct v4l2_audioout *p = arg; |
| 1454 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1455 | if (!ops->vidioc_s_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1456 | break; |
| 1457 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1458 | "mode=%d\n", p->index, p->name, |
| 1459 | p->capability, p->mode); |
| 1460 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1461 | ret = ops->vidioc_s_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1462 | break; |
| 1463 | } |
| 1464 | case VIDIOC_G_MODULATOR: |
| 1465 | { |
| 1466 | struct v4l2_modulator *p = arg; |
| 1467 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1468 | if (!ops->vidioc_g_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1469 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1470 | ret = ops->vidioc_g_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1471 | if (!ret) |
| 1472 | dbgarg(cmd, "index=%d, name=%s, " |
| 1473 | "capability=%d, rangelow=%d," |
| 1474 | " rangehigh=%d, txsubchans=%d\n", |
| 1475 | p->index, p->name, p->capability, |
| 1476 | p->rangelow, p->rangehigh, |
| 1477 | p->txsubchans); |
| 1478 | break; |
| 1479 | } |
| 1480 | case VIDIOC_S_MODULATOR: |
| 1481 | { |
| 1482 | struct v4l2_modulator *p = arg; |
| 1483 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1484 | if (!ops->vidioc_s_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1485 | break; |
| 1486 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1487 | "rangelow=%d, rangehigh=%d, txsubchans=%d\n", |
| 1488 | p->index, p->name, p->capability, p->rangelow, |
| 1489 | p->rangehigh, p->txsubchans); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1490 | ret = ops->vidioc_s_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1491 | break; |
| 1492 | } |
| 1493 | case VIDIOC_G_CROP: |
| 1494 | { |
| 1495 | struct v4l2_crop *p = arg; |
| 1496 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1497 | if (!ops->vidioc_g_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1498 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1499 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1500 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1501 | ret = ops->vidioc_g_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1502 | if (!ret) |
| 1503 | dbgrect(vfd, "", &p->c); |
| 1504 | break; |
| 1505 | } |
| 1506 | case VIDIOC_S_CROP: |
| 1507 | { |
| 1508 | struct v4l2_crop *p = arg; |
| 1509 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1510 | if (!ops->vidioc_s_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1511 | break; |
| 1512 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
| 1513 | dbgrect(vfd, "", &p->c); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1514 | ret = ops->vidioc_s_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1515 | break; |
| 1516 | } |
| 1517 | case VIDIOC_CROPCAP: |
| 1518 | { |
| 1519 | struct v4l2_cropcap *p = arg; |
| 1520 | |
| 1521 | /*FIXME: Should also show v4l2_fract pixelaspect */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1522 | if (!ops->vidioc_cropcap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1523 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1524 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1525 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1526 | ret = ops->vidioc_cropcap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1527 | if (!ret) { |
| 1528 | dbgrect(vfd, "bounds ", &p->bounds); |
| 1529 | dbgrect(vfd, "defrect ", &p->defrect); |
| 1530 | } |
| 1531 | break; |
| 1532 | } |
| 1533 | case VIDIOC_G_JPEGCOMP: |
| 1534 | { |
| 1535 | struct v4l2_jpegcompression *p = arg; |
| 1536 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1537 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1538 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1539 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1540 | ret = ops->vidioc_g_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1541 | if (!ret) |
| 1542 | dbgarg(cmd, "quality=%d, APPn=%d, " |
| 1543 | "APP_len=%d, COM_len=%d, " |
| 1544 | "jpeg_markers=%d\n", |
| 1545 | p->quality, p->APPn, p->APP_len, |
| 1546 | p->COM_len, p->jpeg_markers); |
| 1547 | break; |
| 1548 | } |
| 1549 | case VIDIOC_S_JPEGCOMP: |
| 1550 | { |
| 1551 | struct v4l2_jpegcompression *p = arg; |
| 1552 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1553 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1554 | break; |
| 1555 | dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, " |
| 1556 | "COM_len=%d, jpeg_markers=%d\n", |
| 1557 | p->quality, p->APPn, p->APP_len, |
| 1558 | p->COM_len, p->jpeg_markers); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1559 | ret = ops->vidioc_s_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1560 | break; |
| 1561 | } |
| 1562 | case VIDIOC_G_ENC_INDEX: |
| 1563 | { |
| 1564 | struct v4l2_enc_idx *p = arg; |
| 1565 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1566 | if (!ops->vidioc_g_enc_index) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1567 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1568 | ret = ops->vidioc_g_enc_index(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1569 | if (!ret) |
| 1570 | dbgarg(cmd, "entries=%d, entries_cap=%d\n", |
| 1571 | p->entries, p->entries_cap); |
| 1572 | break; |
| 1573 | } |
| 1574 | case VIDIOC_ENCODER_CMD: |
| 1575 | { |
| 1576 | struct v4l2_encoder_cmd *p = arg; |
| 1577 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1578 | if (!ops->vidioc_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1579 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1580 | ret = ops->vidioc_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1581 | if (!ret) |
| 1582 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1583 | break; |
| 1584 | } |
| 1585 | case VIDIOC_TRY_ENCODER_CMD: |
| 1586 | { |
| 1587 | struct v4l2_encoder_cmd *p = arg; |
| 1588 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1589 | if (!ops->vidioc_try_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1590 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1591 | ret = ops->vidioc_try_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1592 | if (!ret) |
| 1593 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1594 | break; |
| 1595 | } |
| 1596 | case VIDIOC_G_PARM: |
| 1597 | { |
| 1598 | struct v4l2_streamparm *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1599 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1600 | if (ops->vidioc_g_parm) { |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1601 | ret = check_fmt(ops, p->type); |
| 1602 | if (ret) |
| 1603 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1604 | ret = ops->vidioc_g_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1605 | } else { |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1606 | v4l2_std_id std = vfd->current_norm; |
| 1607 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1608 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Hans Verkuil | 3f5e182 | 2010-04-06 08:14:11 -0300 | [diff] [blame] | 1609 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1610 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1611 | ret = 0; |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1612 | if (ops->vidioc_g_std) |
| 1613 | ret = ops->vidioc_g_std(file, fh, &std); |
| 1614 | else if (std == 0) |
| 1615 | ret = -EINVAL; |
| 1616 | if (ret == 0) |
| 1617 | v4l2_video_std_frame_period(std, |
| 1618 | &p->parm.capture.timeperframe); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1619 | } |
| 1620 | |
| 1621 | dbgarg(cmd, "type=%d\n", p->type); |
| 1622 | break; |
| 1623 | } |
| 1624 | case VIDIOC_S_PARM: |
| 1625 | { |
| 1626 | struct v4l2_streamparm *p = arg; |
| 1627 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1628 | if (!ops->vidioc_s_parm) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1629 | break; |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1630 | ret = check_fmt(ops, p->type); |
| 1631 | if (ret) |
| 1632 | break; |
| 1633 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1634 | dbgarg(cmd, "type=%d\n", p->type); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1635 | ret = ops->vidioc_s_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1636 | break; |
| 1637 | } |
| 1638 | case VIDIOC_G_TUNER: |
| 1639 | { |
| 1640 | struct v4l2_tuner *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1641 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1642 | if (!ops->vidioc_g_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1643 | break; |
| 1644 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1645 | ret = ops->vidioc_g_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1646 | if (!ret) |
| 1647 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1648 | "capability=0x%x, rangelow=%d, " |
| 1649 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1650 | "rxsubchans=0x%x, audmode=%d\n", |
| 1651 | p->index, p->name, p->type, |
| 1652 | p->capability, p->rangelow, |
| 1653 | p->rangehigh, p->signal, p->afc, |
| 1654 | p->rxsubchans, p->audmode); |
| 1655 | break; |
| 1656 | } |
| 1657 | case VIDIOC_S_TUNER: |
| 1658 | { |
| 1659 | struct v4l2_tuner *p = arg; |
| 1660 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1661 | if (!ops->vidioc_s_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1662 | break; |
| 1663 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1664 | "capability=0x%x, rangelow=%d, " |
| 1665 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1666 | "rxsubchans=0x%x, audmode=%d\n", |
| 1667 | p->index, p->name, p->type, |
| 1668 | p->capability, p->rangelow, |
| 1669 | p->rangehigh, p->signal, p->afc, |
| 1670 | p->rxsubchans, p->audmode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1671 | ret = ops->vidioc_s_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1672 | break; |
| 1673 | } |
| 1674 | case VIDIOC_G_FREQUENCY: |
| 1675 | { |
| 1676 | struct v4l2_frequency *p = arg; |
| 1677 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1678 | if (!ops->vidioc_g_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1679 | break; |
| 1680 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1681 | ret = ops->vidioc_g_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1682 | if (!ret) |
| 1683 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1684 | p->tuner, p->type, p->frequency); |
| 1685 | break; |
| 1686 | } |
| 1687 | case VIDIOC_S_FREQUENCY: |
| 1688 | { |
| 1689 | struct v4l2_frequency *p = arg; |
| 1690 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1691 | if (!ops->vidioc_s_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1692 | break; |
| 1693 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1694 | p->tuner, p->type, p->frequency); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1695 | ret = ops->vidioc_s_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1696 | break; |
| 1697 | } |
| 1698 | case VIDIOC_G_SLICED_VBI_CAP: |
| 1699 | { |
| 1700 | struct v4l2_sliced_vbi_cap *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1701 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1702 | if (!ops->vidioc_g_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1703 | break; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1704 | |
| 1705 | /* Clear up to type, everything after type is zerod already */ |
| 1706 | memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); |
| 1707 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1708 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1709 | ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1710 | if (!ret) |
| 1711 | dbgarg2("service_set=%d\n", p->service_set); |
| 1712 | break; |
| 1713 | } |
| 1714 | case VIDIOC_LOG_STATUS: |
| 1715 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1716 | if (!ops->vidioc_log_status) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1717 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1718 | ret = ops->vidioc_log_status(file, fh); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1719 | break; |
| 1720 | } |
| 1721 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1722 | case VIDIOC_DBG_G_REGISTER: |
| 1723 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1724 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1725 | |
| 1726 | if (!capable(CAP_SYS_ADMIN)) |
| 1727 | ret = -EPERM; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1728 | else if (ops->vidioc_g_register) |
| 1729 | ret = ops->vidioc_g_register(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1730 | break; |
| 1731 | } |
| 1732 | case VIDIOC_DBG_S_REGISTER: |
| 1733 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1734 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1735 | |
| 1736 | if (!capable(CAP_SYS_ADMIN)) |
| 1737 | ret = -EPERM; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1738 | else if (ops->vidioc_s_register) |
| 1739 | ret = ops->vidioc_s_register(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1740 | break; |
| 1741 | } |
| 1742 | #endif |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1743 | case VIDIOC_DBG_G_CHIP_IDENT: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1744 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1745 | struct v4l2_dbg_chip_ident *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1746 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1747 | if (!ops->vidioc_g_chip_ident) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1748 | break; |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 1749 | p->ident = V4L2_IDENT_NONE; |
| 1750 | p->revision = 0; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1751 | ret = ops->vidioc_g_chip_ident(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1752 | if (!ret) |
| 1753 | dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); |
| 1754 | break; |
| 1755 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1756 | case VIDIOC_S_HW_FREQ_SEEK: |
| 1757 | { |
| 1758 | struct v4l2_hw_freq_seek *p = arg; |
| 1759 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1760 | if (!ops->vidioc_s_hw_freq_seek) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1761 | break; |
| 1762 | dbgarg(cmd, |
| 1763 | "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", |
| 1764 | p->tuner, p->type, p->seek_upward, p->wrap_around); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1765 | ret = ops->vidioc_s_hw_freq_seek(file, fh, p); |
| 1766 | break; |
| 1767 | } |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1768 | case VIDIOC_ENUM_FRAMESIZES: |
| 1769 | { |
| 1770 | struct v4l2_frmsizeenum *p = arg; |
| 1771 | |
| 1772 | if (!ops->vidioc_enum_framesizes) |
| 1773 | break; |
| 1774 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1775 | ret = ops->vidioc_enum_framesizes(file, fh, p); |
| 1776 | dbgarg(cmd, |
Mauro Carvalho Chehab | d1afe42 | 2009-06-21 22:37:12 -0300 | [diff] [blame] | 1777 | "index=%d, pixelformat=%c%c%c%c, type=%d ", |
| 1778 | p->index, |
| 1779 | (p->pixel_format & 0xff), |
| 1780 | (p->pixel_format >> 8) & 0xff, |
| 1781 | (p->pixel_format >> 16) & 0xff, |
| 1782 | (p->pixel_format >> 24) & 0xff, |
| 1783 | p->type); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1784 | switch (p->type) { |
| 1785 | case V4L2_FRMSIZE_TYPE_DISCRETE: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1786 | dbgarg3("width = %d, height=%d\n", |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1787 | p->discrete.width, p->discrete.height); |
| 1788 | break; |
| 1789 | case V4L2_FRMSIZE_TYPE_STEPWISE: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1790 | dbgarg3("min %dx%d, max %dx%d, step %dx%d\n", |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1791 | p->stepwise.min_width, p->stepwise.min_height, |
| 1792 | p->stepwise.step_width, p->stepwise.step_height, |
| 1793 | p->stepwise.max_width, p->stepwise.max_height); |
| 1794 | break; |
| 1795 | case V4L2_FRMSIZE_TYPE_CONTINUOUS: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1796 | dbgarg3("continuous\n"); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1797 | break; |
| 1798 | default: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1799 | dbgarg3("- Unknown type!\n"); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1800 | } |
| 1801 | |
| 1802 | break; |
| 1803 | } |
| 1804 | case VIDIOC_ENUM_FRAMEINTERVALS: |
| 1805 | { |
| 1806 | struct v4l2_frmivalenum *p = arg; |
| 1807 | |
| 1808 | if (!ops->vidioc_enum_frameintervals) |
| 1809 | break; |
| 1810 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1811 | ret = ops->vidioc_enum_frameintervals(file, fh, p); |
| 1812 | dbgarg(cmd, |
| 1813 | "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ", |
| 1814 | p->index, p->pixel_format, |
| 1815 | p->width, p->height, p->type); |
| 1816 | switch (p->type) { |
| 1817 | case V4L2_FRMIVAL_TYPE_DISCRETE: |
| 1818 | dbgarg2("fps=%d/%d\n", |
| 1819 | p->discrete.numerator, |
| 1820 | p->discrete.denominator); |
| 1821 | break; |
| 1822 | case V4L2_FRMIVAL_TYPE_STEPWISE: |
Mauro Carvalho Chehab | 1958578 | 2008-11-12 01:03:02 -0300 | [diff] [blame] | 1823 | dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n", |
| 1824 | p->stepwise.min.numerator, |
| 1825 | p->stepwise.min.denominator, |
| 1826 | p->stepwise.max.numerator, |
| 1827 | p->stepwise.max.denominator, |
| 1828 | p->stepwise.step.numerator, |
| 1829 | p->stepwise.step.denominator); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1830 | break; |
| 1831 | case V4L2_FRMIVAL_TYPE_CONTINUOUS: |
| 1832 | dbgarg2("continuous\n"); |
| 1833 | break; |
| 1834 | default: |
| 1835 | dbgarg2("- Unknown type!\n"); |
| 1836 | } |
| 1837 | break; |
| 1838 | } |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 1839 | case VIDIOC_ENUM_DV_PRESETS: |
| 1840 | { |
| 1841 | struct v4l2_dv_enum_preset *p = arg; |
| 1842 | |
| 1843 | if (!ops->vidioc_enum_dv_presets) |
| 1844 | break; |
| 1845 | |
| 1846 | ret = ops->vidioc_enum_dv_presets(file, fh, p); |
| 1847 | if (!ret) |
| 1848 | dbgarg(cmd, |
| 1849 | "index=%d, preset=%d, name=%s, width=%d," |
| 1850 | " height=%d ", |
| 1851 | p->index, p->preset, p->name, p->width, |
| 1852 | p->height); |
| 1853 | break; |
| 1854 | } |
| 1855 | case VIDIOC_S_DV_PRESET: |
| 1856 | { |
| 1857 | struct v4l2_dv_preset *p = arg; |
| 1858 | |
| 1859 | if (!ops->vidioc_s_dv_preset) |
| 1860 | break; |
| 1861 | |
| 1862 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 1863 | ret = ops->vidioc_s_dv_preset(file, fh, p); |
| 1864 | break; |
| 1865 | } |
| 1866 | case VIDIOC_G_DV_PRESET: |
| 1867 | { |
| 1868 | struct v4l2_dv_preset *p = arg; |
| 1869 | |
| 1870 | if (!ops->vidioc_g_dv_preset) |
| 1871 | break; |
| 1872 | |
| 1873 | ret = ops->vidioc_g_dv_preset(file, fh, p); |
| 1874 | if (!ret) |
| 1875 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 1876 | break; |
| 1877 | } |
| 1878 | case VIDIOC_QUERY_DV_PRESET: |
| 1879 | { |
| 1880 | struct v4l2_dv_preset *p = arg; |
| 1881 | |
| 1882 | if (!ops->vidioc_query_dv_preset) |
| 1883 | break; |
| 1884 | |
| 1885 | ret = ops->vidioc_query_dv_preset(file, fh, p); |
| 1886 | if (!ret) |
| 1887 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 1888 | break; |
| 1889 | } |
| 1890 | case VIDIOC_S_DV_TIMINGS: |
| 1891 | { |
| 1892 | struct v4l2_dv_timings *p = arg; |
| 1893 | |
| 1894 | if (!ops->vidioc_s_dv_timings) |
| 1895 | break; |
| 1896 | |
| 1897 | switch (p->type) { |
| 1898 | case V4L2_DV_BT_656_1120: |
| 1899 | dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld," |
| 1900 | " width=%d, height=%d, polarities=%x," |
| 1901 | " hfrontporch=%d, hsync=%d, hbackporch=%d," |
| 1902 | " vfrontporch=%d, vsync=%d, vbackporch=%d," |
| 1903 | " il_vfrontporch=%d, il_vsync=%d," |
| 1904 | " il_vbackporch=%d\n", |
| 1905 | p->bt.interlaced, p->bt.pixelclock, |
| 1906 | p->bt.width, p->bt.height, p->bt.polarities, |
| 1907 | p->bt.hfrontporch, p->bt.hsync, |
| 1908 | p->bt.hbackporch, p->bt.vfrontporch, |
| 1909 | p->bt.vsync, p->bt.vbackporch, |
| 1910 | p->bt.il_vfrontporch, p->bt.il_vsync, |
| 1911 | p->bt.il_vbackporch); |
| 1912 | ret = ops->vidioc_s_dv_timings(file, fh, p); |
| 1913 | break; |
| 1914 | default: |
| 1915 | dbgarg2("Unknown type %d!\n", p->type); |
| 1916 | break; |
| 1917 | } |
| 1918 | break; |
| 1919 | } |
| 1920 | case VIDIOC_G_DV_TIMINGS: |
| 1921 | { |
| 1922 | struct v4l2_dv_timings *p = arg; |
| 1923 | |
| 1924 | if (!ops->vidioc_g_dv_timings) |
| 1925 | break; |
| 1926 | |
| 1927 | ret = ops->vidioc_g_dv_timings(file, fh, p); |
| 1928 | if (!ret) { |
| 1929 | switch (p->type) { |
| 1930 | case V4L2_DV_BT_656_1120: |
| 1931 | dbgarg2("bt-656/1120:interlaced=%d," |
| 1932 | " pixelclock=%lld," |
| 1933 | " width=%d, height=%d, polarities=%x," |
| 1934 | " hfrontporch=%d, hsync=%d," |
| 1935 | " hbackporch=%d, vfrontporch=%d," |
| 1936 | " vsync=%d, vbackporch=%d," |
| 1937 | " il_vfrontporch=%d, il_vsync=%d," |
| 1938 | " il_vbackporch=%d\n", |
| 1939 | p->bt.interlaced, p->bt.pixelclock, |
| 1940 | p->bt.width, p->bt.height, |
| 1941 | p->bt.polarities, p->bt.hfrontporch, |
| 1942 | p->bt.hsync, p->bt.hbackporch, |
| 1943 | p->bt.vfrontporch, p->bt.vsync, |
| 1944 | p->bt.vbackporch, p->bt.il_vfrontporch, |
| 1945 | p->bt.il_vsync, p->bt.il_vbackporch); |
| 1946 | break; |
| 1947 | default: |
| 1948 | dbgarg2("Unknown type %d!\n", p->type); |
| 1949 | break; |
| 1950 | } |
| 1951 | } |
| 1952 | break; |
| 1953 | } |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1954 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1955 | default: |
| 1956 | { |
| 1957 | if (!ops->vidioc_default) |
| 1958 | break; |
| 1959 | ret = ops->vidioc_default(file, fh, cmd, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1960 | break; |
| 1961 | } |
| 1962 | } /* switch */ |
| 1963 | |
| 1964 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { |
| 1965 | if (ret < 0) { |
| 1966 | v4l_print_ioctl(vfd->name, cmd); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 1967 | printk(KERN_CONT " error %ld\n", ret); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1968 | } |
| 1969 | } |
| 1970 | |
| 1971 | return ret; |
| 1972 | } |
| 1973 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1974 | /* In some cases, only a few fields are used as input, i.e. when the app sets |
| 1975 | * "index" and then the driver fills in the rest of the structure for the thing |
| 1976 | * with that index. We only need to copy up the first non-input field. */ |
| 1977 | static unsigned long cmd_input_size(unsigned int cmd) |
| 1978 | { |
| 1979 | /* Size of structure up to and including 'field' */ |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 1980 | #define CMDINSIZE(cmd, type, field) \ |
| 1981 | case VIDIOC_##cmd: \ |
| 1982 | return offsetof(struct v4l2_##type, field) + \ |
| 1983 | sizeof(((struct v4l2_##type *)0)->field); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1984 | |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 1985 | switch (cmd) { |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1986 | CMDINSIZE(ENUM_FMT, fmtdesc, type); |
| 1987 | CMDINSIZE(G_FMT, format, type); |
| 1988 | CMDINSIZE(QUERYBUF, buffer, type); |
| 1989 | CMDINSIZE(G_PARM, streamparm, type); |
| 1990 | CMDINSIZE(ENUMSTD, standard, index); |
| 1991 | CMDINSIZE(ENUMINPUT, input, index); |
| 1992 | CMDINSIZE(G_CTRL, control, id); |
| 1993 | CMDINSIZE(G_TUNER, tuner, index); |
| 1994 | CMDINSIZE(QUERYCTRL, queryctrl, id); |
| 1995 | CMDINSIZE(QUERYMENU, querymenu, index); |
| 1996 | CMDINSIZE(ENUMOUTPUT, output, index); |
| 1997 | CMDINSIZE(G_MODULATOR, modulator, index); |
| 1998 | CMDINSIZE(G_FREQUENCY, frequency, tuner); |
| 1999 | CMDINSIZE(CROPCAP, cropcap, type); |
| 2000 | CMDINSIZE(G_CROP, crop, type); |
| 2001 | CMDINSIZE(ENUMAUDIO, audio, index); |
| 2002 | CMDINSIZE(ENUMAUDOUT, audioout, index); |
| 2003 | CMDINSIZE(ENCODER_CMD, encoder_cmd, flags); |
| 2004 | CMDINSIZE(TRY_ENCODER_CMD, encoder_cmd, flags); |
| 2005 | CMDINSIZE(G_SLICED_VBI_CAP, sliced_vbi_cap, type); |
| 2006 | CMDINSIZE(ENUM_FRAMESIZES, frmsizeenum, pixel_format); |
| 2007 | CMDINSIZE(ENUM_FRAMEINTERVALS, frmivalenum, height); |
| 2008 | default: |
| 2009 | return _IOC_SIZE(cmd); |
| 2010 | } |
| 2011 | } |
| 2012 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2013 | long video_ioctl2(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2014 | unsigned int cmd, unsigned long arg) |
| 2015 | { |
| 2016 | char sbuf[128]; |
| 2017 | void *mbuf = NULL; |
Hans Verkuil | 1d94aa3 | 2010-04-06 08:12:21 -0300 | [diff] [blame] | 2018 | void *parg = (void *)arg; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2019 | long err = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2020 | int is_ext_ctrl; |
| 2021 | size_t ctrls_size = 0; |
| 2022 | void __user *user_ptr = NULL; |
| 2023 | |
| 2024 | #ifdef __OLD_VIDIOC_ |
| 2025 | cmd = video_fix_command(cmd); |
| 2026 | #endif |
| 2027 | is_ext_ctrl = (cmd == VIDIOC_S_EXT_CTRLS || cmd == VIDIOC_G_EXT_CTRLS || |
| 2028 | cmd == VIDIOC_TRY_EXT_CTRLS); |
| 2029 | |
| 2030 | /* Copy arguments into temp kernel buffer */ |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2031 | if (_IOC_DIR(cmd) != _IOC_NONE) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2032 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 2033 | parg = sbuf; |
| 2034 | } else { |
| 2035 | /* too big to allocate from stack */ |
| 2036 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 2037 | if (NULL == mbuf) |
| 2038 | return -ENOMEM; |
| 2039 | parg = mbuf; |
| 2040 | } |
| 2041 | |
| 2042 | err = -EFAULT; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2043 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 2044 | unsigned long n = cmd_input_size(cmd); |
| 2045 | |
| 2046 | if (copy_from_user(parg, (void __user *)arg, n)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2047 | goto out; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2048 | |
| 2049 | /* zero out anything we don't copy from userspace */ |
| 2050 | if (n < _IOC_SIZE(cmd)) |
| 2051 | memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2052 | } else { |
| 2053 | /* read-only ioctl */ |
| 2054 | memset(parg, 0, _IOC_SIZE(cmd)); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2055 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2056 | } |
| 2057 | |
| 2058 | if (is_ext_ctrl) { |
| 2059 | struct v4l2_ext_controls *p = parg; |
| 2060 | |
| 2061 | /* In case of an error, tell the caller that it wasn't |
| 2062 | a specific control that caused it. */ |
| 2063 | p->error_idx = p->count; |
| 2064 | user_ptr = (void __user *)p->controls; |
| 2065 | if (p->count) { |
| 2066 | ctrls_size = sizeof(struct v4l2_ext_control) * p->count; |
| 2067 | /* Note: v4l2_ext_controls fits in sbuf[] so mbuf is still NULL. */ |
| 2068 | mbuf = kmalloc(ctrls_size, GFP_KERNEL); |
| 2069 | err = -ENOMEM; |
| 2070 | if (NULL == mbuf) |
| 2071 | goto out_ext_ctrl; |
| 2072 | err = -EFAULT; |
| 2073 | if (copy_from_user(mbuf, user_ptr, ctrls_size)) |
| 2074 | goto out_ext_ctrl; |
| 2075 | p->controls = mbuf; |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | /* Handles IOCTL */ |
Mauro Carvalho Chehab | b1f8840 | 2008-10-21 11:27:20 -0300 | [diff] [blame] | 2080 | err = __video_do_ioctl(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2081 | if (err == -ENOIOCTLCMD) |
| 2082 | err = -EINVAL; |
| 2083 | if (is_ext_ctrl) { |
| 2084 | struct v4l2_ext_controls *p = parg; |
| 2085 | |
| 2086 | p->controls = (void *)user_ptr; |
| 2087 | if (p->count && err == 0 && copy_to_user(user_ptr, mbuf, ctrls_size)) |
| 2088 | err = -EFAULT; |
| 2089 | goto out_ext_ctrl; |
| 2090 | } |
| 2091 | if (err < 0) |
| 2092 | goto out; |
| 2093 | |
| 2094 | out_ext_ctrl: |
| 2095 | /* Copy results into user buffer */ |
| 2096 | switch (_IOC_DIR(cmd)) { |
| 2097 | case _IOC_READ: |
| 2098 | case (_IOC_WRITE | _IOC_READ): |
| 2099 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 2100 | err = -EFAULT; |
| 2101 | break; |
| 2102 | } |
| 2103 | |
| 2104 | out: |
| 2105 | kfree(mbuf); |
| 2106 | return err; |
| 2107 | } |
Mauro Carvalho Chehab | 8a522c9 | 2008-10-21 11:58:39 -0300 | [diff] [blame] | 2108 | EXPORT_SYMBOL(video_ioctl2); |