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 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 20 | #include <linux/videodev2.h> |
| 21 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 22 | #include <media/v4l2-common.h> |
| 23 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 24 | #include <media/v4l2-ctrls.h> |
Sakari Ailus | d3d7c96 | 2010-03-27 11:02:10 -0300 | [diff] [blame] | 25 | #include <media/v4l2-fh.h> |
| 26 | #include <media/v4l2-event.h> |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 27 | #include <media/v4l2-device.h> |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 28 | #include <media/v4l2-chip-ident.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 29 | |
| 30 | #define dbgarg(cmd, fmt, arg...) \ |
| 31 | do { \ |
| 32 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \ |
| 33 | printk(KERN_DEBUG "%s: ", vfd->name); \ |
| 34 | v4l_printk_ioctl(cmd); \ |
| 35 | printk(" " fmt, ## arg); \ |
| 36 | } \ |
| 37 | } while (0) |
| 38 | |
| 39 | #define dbgarg2(fmt, arg...) \ |
| 40 | do { \ |
| 41 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ |
| 42 | printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ |
| 43 | } while (0) |
| 44 | |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 45 | #define dbgarg3(fmt, arg...) \ |
| 46 | do { \ |
| 47 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ |
| 48 | printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\ |
| 49 | } while (0) |
| 50 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 51 | /* Zero out the end of the struct pointed to by p. Everything after, but |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 52 | * not including, the specified field is cleared. */ |
| 53 | #define CLEAR_AFTER_FIELD(p, field) \ |
| 54 | memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ |
| 55 | 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) |
| 56 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 57 | struct std_descr { |
| 58 | v4l2_std_id std; |
| 59 | const char *descr; |
| 60 | }; |
| 61 | |
| 62 | static const struct std_descr standards[] = { |
| 63 | { V4L2_STD_NTSC, "NTSC" }, |
| 64 | { V4L2_STD_NTSC_M, "NTSC-M" }, |
| 65 | { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, |
| 66 | { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, |
| 67 | { V4L2_STD_NTSC_443, "NTSC-443" }, |
| 68 | { V4L2_STD_PAL, "PAL" }, |
| 69 | { V4L2_STD_PAL_BG, "PAL-BG" }, |
| 70 | { V4L2_STD_PAL_B, "PAL-B" }, |
| 71 | { V4L2_STD_PAL_B1, "PAL-B1" }, |
| 72 | { V4L2_STD_PAL_G, "PAL-G" }, |
| 73 | { V4L2_STD_PAL_H, "PAL-H" }, |
| 74 | { V4L2_STD_PAL_I, "PAL-I" }, |
| 75 | { V4L2_STD_PAL_DK, "PAL-DK" }, |
| 76 | { V4L2_STD_PAL_D, "PAL-D" }, |
| 77 | { V4L2_STD_PAL_D1, "PAL-D1" }, |
| 78 | { V4L2_STD_PAL_K, "PAL-K" }, |
| 79 | { V4L2_STD_PAL_M, "PAL-M" }, |
| 80 | { V4L2_STD_PAL_N, "PAL-N" }, |
| 81 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, |
| 82 | { V4L2_STD_PAL_60, "PAL-60" }, |
| 83 | { V4L2_STD_SECAM, "SECAM" }, |
| 84 | { V4L2_STD_SECAM_B, "SECAM-B" }, |
| 85 | { V4L2_STD_SECAM_G, "SECAM-G" }, |
| 86 | { V4L2_STD_SECAM_H, "SECAM-H" }, |
| 87 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, |
| 88 | { V4L2_STD_SECAM_D, "SECAM-D" }, |
| 89 | { V4L2_STD_SECAM_K, "SECAM-K" }, |
| 90 | { V4L2_STD_SECAM_K1, "SECAM-K1" }, |
| 91 | { V4L2_STD_SECAM_L, "SECAM-L" }, |
| 92 | { V4L2_STD_SECAM_LC, "SECAM-Lc" }, |
| 93 | { 0, "Unknown" } |
| 94 | }; |
| 95 | |
| 96 | /* video4linux standard ID conversion to standard name |
| 97 | */ |
| 98 | const char *v4l2_norm_to_name(v4l2_std_id id) |
| 99 | { |
| 100 | u32 myid = id; |
| 101 | int i; |
| 102 | |
| 103 | /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle |
| 104 | 64 bit comparations. So, on that architecture, with some gcc |
| 105 | variants, compilation fails. Currently, the max value is 30bit wide. |
| 106 | */ |
| 107 | BUG_ON(myid != id); |
| 108 | |
| 109 | for (i = 0; standards[i].std; i++) |
| 110 | if (myid == standards[i].std) |
| 111 | break; |
| 112 | return standards[i].descr; |
| 113 | } |
| 114 | EXPORT_SYMBOL(v4l2_norm_to_name); |
| 115 | |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 116 | /* Returns frame period for the given standard */ |
| 117 | void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) |
| 118 | { |
| 119 | if (id & V4L2_STD_525_60) { |
| 120 | frameperiod->numerator = 1001; |
| 121 | frameperiod->denominator = 30000; |
| 122 | } else { |
| 123 | frameperiod->numerator = 1; |
| 124 | frameperiod->denominator = 25; |
| 125 | } |
| 126 | } |
| 127 | EXPORT_SYMBOL(v4l2_video_std_frame_period); |
| 128 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 129 | /* Fill in the fields of a v4l2_standard structure according to the |
| 130 | 'id' and 'transmission' parameters. Returns negative on error. */ |
| 131 | int v4l2_video_std_construct(struct v4l2_standard *vs, |
| 132 | int id, const char *name) |
| 133 | { |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 134 | vs->id = id; |
| 135 | v4l2_video_std_frame_period(id, &vs->frameperiod); |
| 136 | vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 137 | strlcpy(vs->name, name, sizeof(vs->name)); |
| 138 | return 0; |
| 139 | } |
| 140 | EXPORT_SYMBOL(v4l2_video_std_construct); |
| 141 | |
| 142 | /* ----------------------------------------------------------------- */ |
| 143 | /* some arrays for pretty-printing debug messages of enum types */ |
| 144 | |
| 145 | const char *v4l2_field_names[] = { |
| 146 | [V4L2_FIELD_ANY] = "any", |
| 147 | [V4L2_FIELD_NONE] = "none", |
| 148 | [V4L2_FIELD_TOP] = "top", |
| 149 | [V4L2_FIELD_BOTTOM] = "bottom", |
| 150 | [V4L2_FIELD_INTERLACED] = "interlaced", |
| 151 | [V4L2_FIELD_SEQ_TB] = "seq-tb", |
| 152 | [V4L2_FIELD_SEQ_BT] = "seq-bt", |
| 153 | [V4L2_FIELD_ALTERNATE] = "alternate", |
| 154 | [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", |
| 155 | [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", |
| 156 | }; |
| 157 | EXPORT_SYMBOL(v4l2_field_names); |
| 158 | |
| 159 | const char *v4l2_type_names[] = { |
| 160 | [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", |
| 161 | [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", |
| 162 | [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", |
| 163 | [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", |
| 164 | [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", |
| 165 | [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", |
| 166 | [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", |
| 167 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", |
Pawel Osciak | f8f3914 | 2010-07-29 14:44:25 -0300 | [diff] [blame] | 168 | [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane", |
| 169 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 170 | }; |
| 171 | EXPORT_SYMBOL(v4l2_type_names); |
| 172 | |
| 173 | static const char *v4l2_memory_names[] = { |
| 174 | [V4L2_MEMORY_MMAP] = "mmap", |
| 175 | [V4L2_MEMORY_USERPTR] = "userptr", |
| 176 | [V4L2_MEMORY_OVERLAY] = "overlay", |
| 177 | }; |
| 178 | |
| 179 | #define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ |
| 180 | arr[a] : "unknown") |
| 181 | |
| 182 | /* ------------------------------------------------------------------ */ |
| 183 | /* debug help functions */ |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 184 | static const char *v4l2_ioctls[] = { |
| 185 | [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", |
| 186 | [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", |
| 187 | [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", |
| 188 | [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", |
| 189 | [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", |
| 190 | [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", |
| 191 | [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", |
| 192 | [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", |
| 193 | [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", |
| 194 | [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", |
| 195 | [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", |
| 196 | [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", |
| 197 | [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", |
| 198 | [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", |
| 199 | [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", |
| 200 | [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", |
| 201 | [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", |
| 202 | [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", |
| 203 | [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", |
| 204 | [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", |
| 205 | [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", |
| 206 | [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", |
| 207 | [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", |
| 208 | [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", |
| 209 | [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", |
| 210 | [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", |
| 211 | [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", |
| 212 | [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", |
| 213 | [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", |
| 214 | [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", |
| 215 | [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", |
| 216 | [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", |
| 217 | [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", |
| 218 | [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", |
| 219 | [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", |
| 220 | [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", |
| 221 | [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", |
| 222 | [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", |
| 223 | [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", |
| 224 | [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", |
| 225 | [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", |
| 226 | [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", |
| 227 | [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", |
| 228 | [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", |
| 229 | [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", |
| 230 | [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", |
| 231 | [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", |
| 232 | [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", |
| 233 | [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", |
| 234 | [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", |
| 235 | [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", |
| 236 | [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", |
| 237 | [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", |
| 238 | [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", |
| 239 | [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", |
| 240 | #if 1 |
| 241 | [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", |
| 242 | [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", |
| 243 | [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", |
| 244 | [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", |
| 245 | [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD", |
| 246 | |
| 247 | [_IOC_NR(VIDIOC_DBG_S_REGISTER)] = "VIDIOC_DBG_S_REGISTER", |
| 248 | [_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER", |
| 249 | |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 250 | [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 251 | [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", |
| 252 | #endif |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 253 | [_IOC_NR(VIDIOC_ENUM_DV_PRESETS)] = "VIDIOC_ENUM_DV_PRESETS", |
| 254 | [_IOC_NR(VIDIOC_S_DV_PRESET)] = "VIDIOC_S_DV_PRESET", |
| 255 | [_IOC_NR(VIDIOC_G_DV_PRESET)] = "VIDIOC_G_DV_PRESET", |
| 256 | [_IOC_NR(VIDIOC_QUERY_DV_PRESET)] = "VIDIOC_QUERY_DV_PRESET", |
| 257 | [_IOC_NR(VIDIOC_S_DV_TIMINGS)] = "VIDIOC_S_DV_TIMINGS", |
| 258 | [_IOC_NR(VIDIOC_G_DV_TIMINGS)] = "VIDIOC_G_DV_TIMINGS", |
Sakari Ailus | fda1021 | 2010-02-24 19:19:05 -0300 | [diff] [blame] | 259 | [_IOC_NR(VIDIOC_DQEVENT)] = "VIDIOC_DQEVENT", |
| 260 | [_IOC_NR(VIDIOC_SUBSCRIBE_EVENT)] = "VIDIOC_SUBSCRIBE_EVENT", |
| 261 | [_IOC_NR(VIDIOC_UNSUBSCRIBE_EVENT)] = "VIDIOC_UNSUBSCRIBE_EVENT", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 262 | }; |
| 263 | #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| 264 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 265 | /* Common ioctl debug function. This function can be used by |
| 266 | external ioctl messages as well as internal V4L ioctl */ |
| 267 | void v4l_printk_ioctl(unsigned int cmd) |
| 268 | { |
| 269 | char *dir, *type; |
| 270 | |
| 271 | switch (_IOC_TYPE(cmd)) { |
| 272 | case 'd': |
Hans Verkuil | 78a3b4d | 2009-04-01 03:41:09 -0300 | [diff] [blame] | 273 | type = "v4l2_int"; |
| 274 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 275 | case 'V': |
| 276 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) { |
| 277 | type = "v4l2"; |
| 278 | break; |
| 279 | } |
| 280 | printk("%s", v4l2_ioctls[_IOC_NR(cmd)]); |
| 281 | return; |
| 282 | default: |
| 283 | type = "unknown"; |
| 284 | } |
| 285 | |
| 286 | switch (_IOC_DIR(cmd)) { |
| 287 | case _IOC_NONE: dir = "--"; break; |
| 288 | case _IOC_READ: dir = "r-"; break; |
| 289 | case _IOC_WRITE: dir = "-w"; break; |
| 290 | case _IOC_READ | _IOC_WRITE: dir = "rw"; break; |
| 291 | default: dir = "*ERR*"; break; |
| 292 | } |
| 293 | printk("%s ioctl '%c', dir=%s, #%d (0x%08x)", |
| 294 | type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); |
| 295 | } |
| 296 | EXPORT_SYMBOL(v4l_printk_ioctl); |
| 297 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 298 | static void dbgbuf(unsigned int cmd, struct video_device *vfd, |
| 299 | struct v4l2_buffer *p) |
| 300 | { |
| 301 | struct v4l2_timecode *tc = &p->timecode; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 302 | struct v4l2_plane *plane; |
| 303 | int i; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 304 | |
| 305 | dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, " |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 306 | "flags=0x%08d, field=%0d, sequence=%d, memory=%s\n", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 307 | p->timestamp.tv_sec / 3600, |
| 308 | (int)(p->timestamp.tv_sec / 60) % 60, |
| 309 | (int)(p->timestamp.tv_sec % 60), |
Alexander Beregalov | b045979 | 2008-09-03 16:47:38 -0300 | [diff] [blame] | 310 | (long)p->timestamp.tv_usec, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 311 | p->index, |
| 312 | prt_names(p->type, v4l2_type_names), |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 313 | p->flags, p->field, p->sequence, |
| 314 | prt_names(p->memory, v4l2_memory_names)); |
| 315 | |
| 316 | if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { |
| 317 | for (i = 0; i < p->length; ++i) { |
| 318 | plane = &p->m.planes[i]; |
| 319 | dbgarg2("plane %d: bytesused=%d, data_offset=0x%08x " |
| 320 | "offset/userptr=0x%08lx, length=%d\n", |
| 321 | i, plane->bytesused, plane->data_offset, |
| 322 | plane->m.userptr, plane->length); |
| 323 | } |
| 324 | } else { |
| 325 | dbgarg2("bytesused=%d, offset/userptr=0x%08lx, length=%d\n", |
| 326 | p->bytesused, p->m.userptr, p->length); |
| 327 | } |
| 328 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 329 | dbgarg2("timecode=%02d:%02d:%02d type=%d, " |
| 330 | "flags=0x%08d, frames=%d, userbits=0x%08x\n", |
| 331 | tc->hours, tc->minutes, tc->seconds, |
| 332 | tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); |
| 333 | } |
| 334 | |
| 335 | static inline void dbgrect(struct video_device *vfd, char *s, |
| 336 | struct v4l2_rect *r) |
| 337 | { |
| 338 | dbgarg2("%sRect start at %dx%d, size=%dx%d\n", s, r->left, r->top, |
| 339 | r->width, r->height); |
| 340 | }; |
| 341 | |
| 342 | static inline void v4l_print_pix_fmt(struct video_device *vfd, |
| 343 | struct v4l2_pix_format *fmt) |
| 344 | { |
| 345 | dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, " |
| 346 | "bytesperline=%d sizeimage=%d, colorspace=%d\n", |
| 347 | fmt->width, fmt->height, |
| 348 | (fmt->pixelformat & 0xff), |
| 349 | (fmt->pixelformat >> 8) & 0xff, |
| 350 | (fmt->pixelformat >> 16) & 0xff, |
| 351 | (fmt->pixelformat >> 24) & 0xff, |
| 352 | prt_names(fmt->field, v4l2_field_names), |
| 353 | fmt->bytesperline, fmt->sizeimage, fmt->colorspace); |
| 354 | }; |
| 355 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 356 | static inline void v4l_print_pix_fmt_mplane(struct video_device *vfd, |
| 357 | struct v4l2_pix_format_mplane *fmt) |
| 358 | { |
| 359 | int i; |
| 360 | |
| 361 | dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, " |
| 362 | "colorspace=%d, num_planes=%d\n", |
| 363 | fmt->width, fmt->height, |
| 364 | (fmt->pixelformat & 0xff), |
| 365 | (fmt->pixelformat >> 8) & 0xff, |
| 366 | (fmt->pixelformat >> 16) & 0xff, |
| 367 | (fmt->pixelformat >> 24) & 0xff, |
| 368 | prt_names(fmt->field, v4l2_field_names), |
| 369 | fmt->colorspace, fmt->num_planes); |
| 370 | |
| 371 | for (i = 0; i < fmt->num_planes; ++i) |
| 372 | dbgarg2("plane %d: bytesperline=%d sizeimage=%d\n", i, |
| 373 | fmt->plane_fmt[i].bytesperline, |
| 374 | fmt->plane_fmt[i].sizeimage); |
| 375 | } |
| 376 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 377 | static inline void v4l_print_ext_ctrls(unsigned int cmd, |
| 378 | struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals) |
| 379 | { |
| 380 | __u32 i; |
| 381 | |
| 382 | if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) |
| 383 | return; |
| 384 | dbgarg(cmd, ""); |
| 385 | printk(KERN_CONT "class=0x%x", c->ctrl_class); |
| 386 | for (i = 0; i < c->count; i++) { |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 387 | if (show_vals && !c->controls[i].size) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 388 | printk(KERN_CONT " id/val=0x%x/0x%x", |
| 389 | c->controls[i].id, c->controls[i].value); |
| 390 | else |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 391 | printk(KERN_CONT " id=0x%x,size=%u", |
| 392 | c->controls[i].id, c->controls[i].size); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 393 | } |
| 394 | printk(KERN_CONT "\n"); |
| 395 | }; |
| 396 | |
| 397 | static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) |
| 398 | { |
| 399 | __u32 i; |
| 400 | |
| 401 | /* zero the reserved fields */ |
| 402 | c->reserved[0] = c->reserved[1] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 403 | for (i = 0; i < c->count; i++) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 404 | c->controls[i].reserved2[0] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 405 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 406 | /* V4L2_CID_PRIVATE_BASE cannot be used as control class |
| 407 | when using extended controls. |
| 408 | Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL |
| 409 | is it allowed for backwards compatibility. |
| 410 | */ |
| 411 | if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE) |
| 412 | return 0; |
| 413 | /* Check that all controls are from the same control class. */ |
| 414 | for (i = 0; i < c->count; i++) { |
| 415 | if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) { |
| 416 | c->error_idx = i; |
| 417 | return 0; |
| 418 | } |
| 419 | } |
| 420 | return 1; |
| 421 | } |
| 422 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 423 | 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] | 424 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 425 | if (ops == NULL) |
| 426 | return -EINVAL; |
| 427 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 428 | switch (type) { |
| 429 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 430 | if (ops->vidioc_g_fmt_vid_cap || |
| 431 | ops->vidioc_g_fmt_vid_cap_mplane) |
| 432 | return 0; |
| 433 | break; |
| 434 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 435 | if (ops->vidioc_g_fmt_vid_cap_mplane) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 436 | return 0; |
| 437 | break; |
| 438 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 439 | if (ops->vidioc_g_fmt_vid_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 440 | return 0; |
| 441 | break; |
| 442 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 443 | if (ops->vidioc_g_fmt_vid_out || |
| 444 | ops->vidioc_g_fmt_vid_out_mplane) |
| 445 | return 0; |
| 446 | break; |
| 447 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 448 | if (ops->vidioc_g_fmt_vid_out_mplane) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 449 | return 0; |
| 450 | break; |
| 451 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 452 | if (ops->vidioc_g_fmt_vid_out_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 453 | return 0; |
| 454 | break; |
| 455 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 456 | if (ops->vidioc_g_fmt_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 457 | return 0; |
| 458 | break; |
| 459 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 460 | if (ops->vidioc_g_fmt_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 461 | return 0; |
| 462 | break; |
| 463 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 464 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 465 | return 0; |
| 466 | break; |
| 467 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 468 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 469 | return 0; |
| 470 | break; |
| 471 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 1175d61 | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 472 | if (ops->vidioc_g_fmt_type_private) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 473 | return 0; |
| 474 | break; |
| 475 | } |
| 476 | return -EINVAL; |
| 477 | } |
| 478 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 479 | /** |
| 480 | * fmt_sp_to_mp() - Convert a single-plane format to its multi-planar 1-plane |
| 481 | * equivalent |
| 482 | */ |
| 483 | static int fmt_sp_to_mp(const struct v4l2_format *f_sp, |
| 484 | struct v4l2_format *f_mp) |
| 485 | { |
| 486 | struct v4l2_pix_format_mplane *pix_mp = &f_mp->fmt.pix_mp; |
| 487 | const struct v4l2_pix_format *pix = &f_sp->fmt.pix; |
| 488 | |
| 489 | if (f_sp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 490 | f_mp->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; |
| 491 | else if (f_sp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 492 | f_mp->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; |
| 493 | else |
| 494 | return -EINVAL; |
| 495 | |
| 496 | pix_mp->width = pix->width; |
| 497 | pix_mp->height = pix->height; |
| 498 | pix_mp->pixelformat = pix->pixelformat; |
| 499 | pix_mp->field = pix->field; |
| 500 | pix_mp->colorspace = pix->colorspace; |
| 501 | pix_mp->num_planes = 1; |
| 502 | pix_mp->plane_fmt[0].sizeimage = pix->sizeimage; |
| 503 | pix_mp->plane_fmt[0].bytesperline = pix->bytesperline; |
| 504 | |
| 505 | return 0; |
| 506 | } |
| 507 | |
| 508 | /** |
| 509 | * fmt_mp_to_sp() - Convert a multi-planar 1-plane format to its single-planar |
| 510 | * equivalent |
| 511 | */ |
| 512 | static int fmt_mp_to_sp(const struct v4l2_format *f_mp, |
| 513 | struct v4l2_format *f_sp) |
| 514 | { |
| 515 | const struct v4l2_pix_format_mplane *pix_mp = &f_mp->fmt.pix_mp; |
| 516 | struct v4l2_pix_format *pix = &f_sp->fmt.pix; |
| 517 | |
| 518 | if (f_mp->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
| 519 | f_sp->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 520 | else if (f_mp->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) |
| 521 | f_sp->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
| 522 | else |
| 523 | return -EINVAL; |
| 524 | |
| 525 | pix->width = pix_mp->width; |
| 526 | pix->height = pix_mp->height; |
| 527 | pix->pixelformat = pix_mp->pixelformat; |
| 528 | pix->field = pix_mp->field; |
| 529 | pix->colorspace = pix_mp->colorspace; |
| 530 | pix->sizeimage = pix_mp->plane_fmt[0].sizeimage; |
| 531 | pix->bytesperline = pix_mp->plane_fmt[0].bytesperline; |
| 532 | |
| 533 | return 0; |
| 534 | } |
| 535 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 536 | static long __video_do_ioctl(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 537 | unsigned int cmd, void *arg) |
| 538 | { |
| 539 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 540 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
Hans Verkuil | d5fbf32 | 2008-10-18 13:39:53 -0300 | [diff] [blame] | 541 | void *fh = file->private_data; |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 542 | struct v4l2_fh *vfh = NULL; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 543 | struct v4l2_format f_copy; |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 544 | int use_fh_prio = 0; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 545 | long ret = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 546 | |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 547 | if (ops == NULL) { |
| 548 | printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n", |
| 549 | vfd->name); |
| 550 | return -EINVAL; |
| 551 | } |
| 552 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 553 | if ((vfd->debug & V4L2_DEBUG_IOCTL) && |
| 554 | !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) { |
| 555 | v4l_print_ioctl(vfd->name, cmd); |
| 556 | printk(KERN_CONT "\n"); |
| 557 | } |
| 558 | |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 559 | if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) { |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 560 | vfh = file->private_data; |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 561 | use_fh_prio = test_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); |
| 562 | } |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 563 | |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 564 | if (use_fh_prio) { |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 565 | switch (cmd) { |
| 566 | case VIDIOC_S_CTRL: |
| 567 | case VIDIOC_S_STD: |
| 568 | case VIDIOC_S_INPUT: |
| 569 | case VIDIOC_S_OUTPUT: |
| 570 | case VIDIOC_S_TUNER: |
| 571 | case VIDIOC_S_FREQUENCY: |
| 572 | case VIDIOC_S_FMT: |
| 573 | case VIDIOC_S_CROP: |
| 574 | case VIDIOC_S_AUDIO: |
| 575 | case VIDIOC_S_AUDOUT: |
| 576 | case VIDIOC_S_EXT_CTRLS: |
| 577 | case VIDIOC_S_FBUF: |
| 578 | case VIDIOC_S_PRIORITY: |
| 579 | case VIDIOC_S_DV_PRESET: |
| 580 | case VIDIOC_S_DV_TIMINGS: |
| 581 | case VIDIOC_S_JPEGCOMP: |
| 582 | case VIDIOC_S_MODULATOR: |
| 583 | case VIDIOC_S_PARM: |
| 584 | case VIDIOC_S_HW_FREQ_SEEK: |
| 585 | case VIDIOC_ENCODER_CMD: |
| 586 | case VIDIOC_OVERLAY: |
| 587 | case VIDIOC_REQBUFS: |
| 588 | case VIDIOC_STREAMON: |
| 589 | case VIDIOC_STREAMOFF: |
| 590 | ret = v4l2_prio_check(vfd->prio, vfh->prio); |
| 591 | if (ret) |
| 592 | goto exit_prio; |
| 593 | ret = -EINVAL; |
| 594 | break; |
| 595 | } |
| 596 | } |
| 597 | |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 598 | switch (cmd) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 599 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 600 | /* --- capabilities ------------------------------------------ */ |
| 601 | case VIDIOC_QUERYCAP: |
| 602 | { |
| 603 | struct v4l2_capability *cap = (struct v4l2_capability *)arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 604 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 605 | if (!ops->vidioc_querycap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 606 | break; |
| 607 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 608 | ret = ops->vidioc_querycap(file, fh, cap); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 609 | if (!ret) |
| 610 | dbgarg(cmd, "driver=%s, card=%s, bus=%s, " |
| 611 | "version=0x%08x, " |
| 612 | "capabilities=0x%08x\n", |
| 613 | cap->driver, cap->card, cap->bus_info, |
| 614 | cap->version, |
| 615 | cap->capabilities); |
| 616 | break; |
| 617 | } |
| 618 | |
| 619 | /* --- priority ------------------------------------------ */ |
| 620 | case VIDIOC_G_PRIORITY: |
| 621 | { |
| 622 | enum v4l2_priority *p = arg; |
| 623 | |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 624 | if (ops->vidioc_g_priority) { |
| 625 | ret = ops->vidioc_g_priority(file, fh, p); |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 626 | } else if (use_fh_prio) { |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 627 | *p = v4l2_prio_max(&vfd->v4l2_dev->prio); |
| 628 | ret = 0; |
| 629 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 630 | if (!ret) |
| 631 | dbgarg(cmd, "priority is %d\n", *p); |
| 632 | break; |
| 633 | } |
| 634 | case VIDIOC_S_PRIORITY: |
| 635 | { |
| 636 | enum v4l2_priority *p = arg; |
| 637 | |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 638 | if (!ops->vidioc_s_priority && !use_fh_prio) |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 639 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 640 | dbgarg(cmd, "setting priority to %d\n", *p); |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 641 | if (ops->vidioc_s_priority) |
| 642 | ret = ops->vidioc_s_priority(file, fh, *p); |
| 643 | else |
| 644 | ret = v4l2_prio_change(&vfd->v4l2_dev->prio, &vfh->prio, *p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 645 | break; |
| 646 | } |
| 647 | |
| 648 | /* --- capture ioctls ---------------------------------------- */ |
| 649 | case VIDIOC_ENUM_FMT: |
| 650 | { |
| 651 | struct v4l2_fmtdesc *f = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 652 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 653 | switch (f->type) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 654 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 655 | if (ops->vidioc_enum_fmt_vid_cap) |
| 656 | ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 657 | break; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 658 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 659 | if (ops->vidioc_enum_fmt_vid_cap_mplane) |
| 660 | ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, |
| 661 | fh, f); |
| 662 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 663 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 664 | if (ops->vidioc_enum_fmt_vid_overlay) |
| 665 | ret = ops->vidioc_enum_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 666 | fh, f); |
| 667 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 668 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 669 | if (ops->vidioc_enum_fmt_vid_out) |
| 670 | ret = ops->vidioc_enum_fmt_vid_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 671 | break; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 672 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 673 | if (ops->vidioc_enum_fmt_vid_out_mplane) |
| 674 | ret = ops->vidioc_enum_fmt_vid_out_mplane(file, |
| 675 | fh, f); |
| 676 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 677 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 678 | if (ops->vidioc_enum_fmt_type_private) |
| 679 | ret = ops->vidioc_enum_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 680 | fh, f); |
| 681 | break; |
| 682 | default: |
| 683 | break; |
| 684 | } |
| 685 | if (!ret) |
| 686 | dbgarg(cmd, "index=%d, type=%d, flags=%d, " |
| 687 | "pixelformat=%c%c%c%c, description='%s'\n", |
| 688 | f->index, f->type, f->flags, |
| 689 | (f->pixelformat & 0xff), |
| 690 | (f->pixelformat >> 8) & 0xff, |
| 691 | (f->pixelformat >> 16) & 0xff, |
| 692 | (f->pixelformat >> 24) & 0xff, |
| 693 | f->description); |
| 694 | break; |
| 695 | } |
| 696 | case VIDIOC_G_FMT: |
| 697 | { |
| 698 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 699 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 700 | /* FIXME: Should be one dump per type */ |
| 701 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 702 | |
| 703 | switch (f->type) { |
| 704 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 705 | if (ops->vidioc_g_fmt_vid_cap) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 706 | ret = ops->vidioc_g_fmt_vid_cap(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 707 | } else if (ops->vidioc_g_fmt_vid_cap_mplane) { |
| 708 | if (fmt_sp_to_mp(f, &f_copy)) |
| 709 | break; |
| 710 | ret = ops->vidioc_g_fmt_vid_cap_mplane(file, fh, |
| 711 | &f_copy); |
| 712 | if (ret) |
| 713 | break; |
| 714 | |
| 715 | /* Driver is currently in multi-planar format, |
| 716 | * we can't return it in single-planar API*/ |
| 717 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 718 | ret = -EBUSY; |
| 719 | break; |
| 720 | } |
| 721 | |
| 722 | ret = fmt_mp_to_sp(&f_copy, f); |
| 723 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 724 | if (!ret) |
| 725 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 726 | break; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 727 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 728 | if (ops->vidioc_g_fmt_vid_cap_mplane) { |
| 729 | ret = ops->vidioc_g_fmt_vid_cap_mplane(file, |
| 730 | fh, f); |
| 731 | } else if (ops->vidioc_g_fmt_vid_cap) { |
| 732 | if (fmt_mp_to_sp(f, &f_copy)) |
| 733 | break; |
| 734 | ret = ops->vidioc_g_fmt_vid_cap(file, |
| 735 | fh, &f_copy); |
| 736 | if (ret) |
| 737 | break; |
| 738 | |
| 739 | ret = fmt_sp_to_mp(&f_copy, f); |
| 740 | } |
| 741 | if (!ret) |
| 742 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 743 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 744 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 745 | if (ops->vidioc_g_fmt_vid_overlay) |
| 746 | ret = ops->vidioc_g_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 747 | fh, f); |
| 748 | break; |
| 749 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 750 | if (ops->vidioc_g_fmt_vid_out) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 751 | ret = ops->vidioc_g_fmt_vid_out(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 752 | } else if (ops->vidioc_g_fmt_vid_out_mplane) { |
| 753 | if (fmt_sp_to_mp(f, &f_copy)) |
| 754 | break; |
| 755 | ret = ops->vidioc_g_fmt_vid_out_mplane(file, fh, |
| 756 | &f_copy); |
| 757 | if (ret) |
| 758 | break; |
| 759 | |
| 760 | /* Driver is currently in multi-planar format, |
| 761 | * we can't return it in single-planar API*/ |
| 762 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 763 | ret = -EBUSY; |
| 764 | break; |
| 765 | } |
| 766 | |
| 767 | ret = fmt_mp_to_sp(&f_copy, f); |
| 768 | } |
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; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 772 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 773 | if (ops->vidioc_g_fmt_vid_out_mplane) { |
| 774 | ret = ops->vidioc_g_fmt_vid_out_mplane(file, |
| 775 | fh, f); |
| 776 | } else if (ops->vidioc_g_fmt_vid_out) { |
| 777 | if (fmt_mp_to_sp(f, &f_copy)) |
| 778 | break; |
| 779 | ret = ops->vidioc_g_fmt_vid_out(file, |
| 780 | fh, &f_copy); |
| 781 | if (ret) |
| 782 | break; |
| 783 | |
| 784 | ret = fmt_sp_to_mp(&f_copy, f); |
| 785 | } |
| 786 | if (!ret) |
| 787 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 788 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 789 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 790 | if (ops->vidioc_g_fmt_vid_out_overlay) |
| 791 | ret = ops->vidioc_g_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 792 | fh, f); |
| 793 | break; |
| 794 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 795 | if (ops->vidioc_g_fmt_vbi_cap) |
| 796 | ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 797 | break; |
| 798 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 799 | if (ops->vidioc_g_fmt_vbi_out) |
| 800 | ret = ops->vidioc_g_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 801 | break; |
| 802 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 803 | if (ops->vidioc_g_fmt_sliced_vbi_cap) |
| 804 | ret = ops->vidioc_g_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 805 | fh, f); |
| 806 | break; |
| 807 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 808 | if (ops->vidioc_g_fmt_sliced_vbi_out) |
| 809 | ret = ops->vidioc_g_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 810 | fh, f); |
| 811 | break; |
| 812 | case V4L2_BUF_TYPE_PRIVATE: |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 813 | if (ops->vidioc_g_fmt_type_private) |
| 814 | ret = ops->vidioc_g_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 815 | fh, f); |
| 816 | break; |
| 817 | } |
| 818 | |
| 819 | break; |
| 820 | } |
| 821 | case VIDIOC_S_FMT: |
| 822 | { |
| 823 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 824 | |
| 825 | /* FIXME: Should be one dump per type */ |
| 826 | dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names)); |
| 827 | |
| 828 | switch (f->type) { |
| 829 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 830 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 831 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 832 | if (ops->vidioc_s_fmt_vid_cap) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 833 | ret = ops->vidioc_s_fmt_vid_cap(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 834 | } else if (ops->vidioc_s_fmt_vid_cap_mplane) { |
| 835 | if (fmt_sp_to_mp(f, &f_copy)) |
| 836 | break; |
| 837 | ret = ops->vidioc_s_fmt_vid_cap_mplane(file, fh, |
| 838 | &f_copy); |
| 839 | if (ret) |
| 840 | break; |
| 841 | |
| 842 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 843 | /* Drivers shouldn't adjust from 1-plane |
| 844 | * to more than 1-plane formats */ |
| 845 | ret = -EBUSY; |
| 846 | WARN_ON(1); |
| 847 | break; |
| 848 | } |
| 849 | |
| 850 | ret = fmt_mp_to_sp(&f_copy, f); |
| 851 | } |
| 852 | break; |
| 853 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 854 | CLEAR_AFTER_FIELD(f, fmt.pix_mp); |
| 855 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 856 | if (ops->vidioc_s_fmt_vid_cap_mplane) { |
| 857 | ret = ops->vidioc_s_fmt_vid_cap_mplane(file, |
| 858 | fh, f); |
| 859 | } else if (ops->vidioc_s_fmt_vid_cap && |
| 860 | f->fmt.pix_mp.num_planes == 1) { |
| 861 | if (fmt_mp_to_sp(f, &f_copy)) |
| 862 | break; |
| 863 | ret = ops->vidioc_s_fmt_vid_cap(file, |
| 864 | fh, &f_copy); |
| 865 | if (ret) |
| 866 | break; |
| 867 | |
| 868 | ret = fmt_sp_to_mp(&f_copy, f); |
| 869 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 870 | break; |
| 871 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 872 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 873 | if (ops->vidioc_s_fmt_vid_overlay) |
| 874 | ret = ops->vidioc_s_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 875 | fh, f); |
| 876 | break; |
| 877 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 878 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 879 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 880 | if (ops->vidioc_s_fmt_vid_out) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 881 | ret = ops->vidioc_s_fmt_vid_out(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 882 | } else if (ops->vidioc_s_fmt_vid_out_mplane) { |
| 883 | if (fmt_sp_to_mp(f, &f_copy)) |
| 884 | break; |
| 885 | ret = ops->vidioc_s_fmt_vid_out_mplane(file, fh, |
| 886 | &f_copy); |
| 887 | if (ret) |
| 888 | break; |
| 889 | |
| 890 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 891 | /* Drivers shouldn't adjust from 1-plane |
| 892 | * to more than 1-plane formats */ |
| 893 | ret = -EBUSY; |
| 894 | WARN_ON(1); |
| 895 | break; |
| 896 | } |
| 897 | |
| 898 | ret = fmt_mp_to_sp(&f_copy, f); |
| 899 | } |
| 900 | break; |
| 901 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 902 | CLEAR_AFTER_FIELD(f, fmt.pix_mp); |
| 903 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 904 | if (ops->vidioc_s_fmt_vid_out_mplane) { |
| 905 | ret = ops->vidioc_s_fmt_vid_out_mplane(file, |
| 906 | fh, f); |
| 907 | } else if (ops->vidioc_s_fmt_vid_out && |
| 908 | f->fmt.pix_mp.num_planes == 1) { |
| 909 | if (fmt_mp_to_sp(f, &f_copy)) |
| 910 | break; |
| 911 | ret = ops->vidioc_s_fmt_vid_out(file, |
| 912 | fh, &f_copy); |
| 913 | if (ret) |
| 914 | break; |
| 915 | |
| 916 | ret = fmt_mp_to_sp(&f_copy, f); |
| 917 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 918 | break; |
| 919 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 920 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 921 | if (ops->vidioc_s_fmt_vid_out_overlay) |
| 922 | ret = ops->vidioc_s_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 923 | fh, f); |
| 924 | break; |
| 925 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 926 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 927 | if (ops->vidioc_s_fmt_vbi_cap) |
| 928 | ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 929 | break; |
| 930 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 931 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 932 | if (ops->vidioc_s_fmt_vbi_out) |
| 933 | ret = ops->vidioc_s_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 934 | break; |
| 935 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 936 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 937 | if (ops->vidioc_s_fmt_sliced_vbi_cap) |
| 938 | ret = ops->vidioc_s_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 939 | fh, f); |
| 940 | break; |
| 941 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 942 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 943 | if (ops->vidioc_s_fmt_sliced_vbi_out) |
| 944 | ret = ops->vidioc_s_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 945 | fh, f); |
| 946 | break; |
| 947 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 948 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 949 | if (ops->vidioc_s_fmt_type_private) |
| 950 | ret = ops->vidioc_s_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 951 | fh, f); |
| 952 | break; |
| 953 | } |
| 954 | break; |
| 955 | } |
| 956 | case VIDIOC_TRY_FMT: |
| 957 | { |
| 958 | struct v4l2_format *f = (struct v4l2_format *)arg; |
| 959 | |
| 960 | /* FIXME: Should be one dump per type */ |
| 961 | dbgarg(cmd, "type=%s\n", prt_names(f->type, |
| 962 | v4l2_type_names)); |
| 963 | switch (f->type) { |
| 964 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 965 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 966 | if (ops->vidioc_try_fmt_vid_cap) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 967 | ret = ops->vidioc_try_fmt_vid_cap(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 968 | } else if (ops->vidioc_try_fmt_vid_cap_mplane) { |
| 969 | if (fmt_sp_to_mp(f, &f_copy)) |
| 970 | break; |
| 971 | ret = ops->vidioc_try_fmt_vid_cap_mplane(file, |
| 972 | fh, &f_copy); |
| 973 | if (ret) |
| 974 | break; |
| 975 | |
| 976 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 977 | /* Drivers shouldn't adjust from 1-plane |
| 978 | * to more than 1-plane formats */ |
| 979 | ret = -EBUSY; |
| 980 | WARN_ON(1); |
| 981 | break; |
| 982 | } |
| 983 | ret = fmt_mp_to_sp(&f_copy, f); |
| 984 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 985 | if (!ret) |
| 986 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 987 | break; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 988 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 989 | CLEAR_AFTER_FIELD(f, fmt.pix_mp); |
| 990 | if (ops->vidioc_try_fmt_vid_cap_mplane) { |
| 991 | ret = ops->vidioc_try_fmt_vid_cap_mplane(file, |
| 992 | fh, f); |
| 993 | } else if (ops->vidioc_try_fmt_vid_cap && |
| 994 | f->fmt.pix_mp.num_planes == 1) { |
| 995 | if (fmt_mp_to_sp(f, &f_copy)) |
| 996 | break; |
| 997 | ret = ops->vidioc_try_fmt_vid_cap(file, |
| 998 | fh, &f_copy); |
| 999 | if (ret) |
| 1000 | break; |
| 1001 | |
| 1002 | ret = fmt_sp_to_mp(&f_copy, f); |
| 1003 | } |
| 1004 | if (!ret) |
| 1005 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 1006 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1007 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1008 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1009 | if (ops->vidioc_try_fmt_vid_overlay) |
| 1010 | ret = ops->vidioc_try_fmt_vid_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1011 | fh, f); |
| 1012 | break; |
| 1013 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1014 | CLEAR_AFTER_FIELD(f, fmt.pix); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 1015 | if (ops->vidioc_try_fmt_vid_out) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1016 | ret = ops->vidioc_try_fmt_vid_out(file, fh, f); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 1017 | } else if (ops->vidioc_try_fmt_vid_out_mplane) { |
| 1018 | if (fmt_sp_to_mp(f, &f_copy)) |
| 1019 | break; |
| 1020 | ret = ops->vidioc_try_fmt_vid_out_mplane(file, |
| 1021 | fh, &f_copy); |
| 1022 | if (ret) |
| 1023 | break; |
| 1024 | |
| 1025 | if (f_copy.fmt.pix_mp.num_planes > 1) { |
| 1026 | /* Drivers shouldn't adjust from 1-plane |
| 1027 | * to more than 1-plane formats */ |
| 1028 | ret = -EBUSY; |
| 1029 | WARN_ON(1); |
| 1030 | break; |
| 1031 | } |
| 1032 | ret = fmt_mp_to_sp(&f_copy, f); |
| 1033 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1034 | if (!ret) |
| 1035 | v4l_print_pix_fmt(vfd, &f->fmt.pix); |
| 1036 | break; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 1037 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 1038 | CLEAR_AFTER_FIELD(f, fmt.pix_mp); |
| 1039 | if (ops->vidioc_try_fmt_vid_out_mplane) { |
| 1040 | ret = ops->vidioc_try_fmt_vid_out_mplane(file, |
| 1041 | fh, f); |
| 1042 | } else if (ops->vidioc_try_fmt_vid_out && |
| 1043 | f->fmt.pix_mp.num_planes == 1) { |
| 1044 | if (fmt_mp_to_sp(f, &f_copy)) |
| 1045 | break; |
| 1046 | ret = ops->vidioc_try_fmt_vid_out(file, |
| 1047 | fh, &f_copy); |
| 1048 | if (ret) |
| 1049 | break; |
| 1050 | |
| 1051 | ret = fmt_sp_to_mp(&f_copy, f); |
| 1052 | } |
| 1053 | if (!ret) |
| 1054 | v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp); |
| 1055 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1056 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1057 | CLEAR_AFTER_FIELD(f, fmt.win); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1058 | if (ops->vidioc_try_fmt_vid_out_overlay) |
| 1059 | ret = ops->vidioc_try_fmt_vid_out_overlay(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1060 | fh, f); |
| 1061 | break; |
| 1062 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1063 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1064 | if (ops->vidioc_try_fmt_vbi_cap) |
| 1065 | ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1066 | break; |
| 1067 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1068 | CLEAR_AFTER_FIELD(f, fmt.vbi); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1069 | if (ops->vidioc_try_fmt_vbi_out) |
| 1070 | ret = ops->vidioc_try_fmt_vbi_out(file, fh, f); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1071 | break; |
| 1072 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1073 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1074 | if (ops->vidioc_try_fmt_sliced_vbi_cap) |
| 1075 | ret = ops->vidioc_try_fmt_sliced_vbi_cap(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1076 | fh, f); |
| 1077 | break; |
| 1078 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1079 | CLEAR_AFTER_FIELD(f, fmt.sliced); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1080 | if (ops->vidioc_try_fmt_sliced_vbi_out) |
| 1081 | ret = ops->vidioc_try_fmt_sliced_vbi_out(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1082 | fh, f); |
| 1083 | break; |
| 1084 | case V4L2_BUF_TYPE_PRIVATE: |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1085 | /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1086 | if (ops->vidioc_try_fmt_type_private) |
| 1087 | ret = ops->vidioc_try_fmt_type_private(file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1088 | fh, f); |
| 1089 | break; |
| 1090 | } |
| 1091 | |
| 1092 | break; |
| 1093 | } |
| 1094 | /* FIXME: Those buf reqs could be handled here, |
| 1095 | with some changes on videobuf to allow its header to be included at |
| 1096 | videodev2.h or being merged at videodev2. |
| 1097 | */ |
| 1098 | case VIDIOC_REQBUFS: |
| 1099 | { |
| 1100 | struct v4l2_requestbuffers *p = arg; |
| 1101 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1102 | if (!ops->vidioc_reqbufs) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1103 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1104 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1105 | if (ret) |
| 1106 | break; |
| 1107 | |
Trent Piepho | 7ecc0cf | 2009-04-30 21:03:34 -0300 | [diff] [blame] | 1108 | if (p->type < V4L2_BUF_TYPE_PRIVATE) |
| 1109 | CLEAR_AFTER_FIELD(p, memory); |
| 1110 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1111 | ret = ops->vidioc_reqbufs(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1112 | dbgarg(cmd, "count=%d, type=%s, memory=%s\n", |
| 1113 | p->count, |
| 1114 | prt_names(p->type, v4l2_type_names), |
| 1115 | prt_names(p->memory, v4l2_memory_names)); |
| 1116 | break; |
| 1117 | } |
| 1118 | case VIDIOC_QUERYBUF: |
| 1119 | { |
| 1120 | struct v4l2_buffer *p = arg; |
| 1121 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1122 | if (!ops->vidioc_querybuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1123 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1124 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1125 | if (ret) |
| 1126 | break; |
| 1127 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1128 | ret = ops->vidioc_querybuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1129 | if (!ret) |
| 1130 | dbgbuf(cmd, vfd, p); |
| 1131 | break; |
| 1132 | } |
| 1133 | case VIDIOC_QBUF: |
| 1134 | { |
| 1135 | struct v4l2_buffer *p = arg; |
| 1136 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1137 | if (!ops->vidioc_qbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1138 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1139 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1140 | if (ret) |
| 1141 | break; |
| 1142 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1143 | ret = ops->vidioc_qbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1144 | if (!ret) |
| 1145 | dbgbuf(cmd, vfd, p); |
| 1146 | break; |
| 1147 | } |
| 1148 | case VIDIOC_DQBUF: |
| 1149 | { |
| 1150 | struct v4l2_buffer *p = arg; |
| 1151 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1152 | if (!ops->vidioc_dqbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1153 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1154 | ret = check_fmt(ops, p->type); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1155 | if (ret) |
| 1156 | break; |
| 1157 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1158 | ret = ops->vidioc_dqbuf(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1159 | if (!ret) |
| 1160 | dbgbuf(cmd, vfd, p); |
| 1161 | break; |
| 1162 | } |
| 1163 | case VIDIOC_OVERLAY: |
| 1164 | { |
| 1165 | int *i = arg; |
| 1166 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1167 | if (!ops->vidioc_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1168 | break; |
| 1169 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1170 | ret = ops->vidioc_overlay(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1171 | break; |
| 1172 | } |
| 1173 | case VIDIOC_G_FBUF: |
| 1174 | { |
| 1175 | struct v4l2_framebuffer *p = arg; |
| 1176 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1177 | if (!ops->vidioc_g_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1178 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1179 | ret = ops->vidioc_g_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1180 | if (!ret) { |
| 1181 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 1182 | p->capability, p->flags, |
| 1183 | (unsigned long)p->base); |
| 1184 | v4l_print_pix_fmt(vfd, &p->fmt); |
| 1185 | } |
| 1186 | break; |
| 1187 | } |
| 1188 | case VIDIOC_S_FBUF: |
| 1189 | { |
| 1190 | struct v4l2_framebuffer *p = arg; |
| 1191 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1192 | if (!ops->vidioc_s_fbuf) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1193 | break; |
| 1194 | dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n", |
| 1195 | p->capability, p->flags, (unsigned long)p->base); |
| 1196 | v4l_print_pix_fmt(vfd, &p->fmt); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1197 | ret = ops->vidioc_s_fbuf(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1198 | break; |
| 1199 | } |
| 1200 | case VIDIOC_STREAMON: |
| 1201 | { |
| 1202 | enum v4l2_buf_type i = *(int *)arg; |
| 1203 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1204 | if (!ops->vidioc_streamon) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1205 | break; |
| 1206 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1207 | ret = ops->vidioc_streamon(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1208 | break; |
| 1209 | } |
| 1210 | case VIDIOC_STREAMOFF: |
| 1211 | { |
| 1212 | enum v4l2_buf_type i = *(int *)arg; |
| 1213 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1214 | if (!ops->vidioc_streamoff) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1215 | break; |
| 1216 | dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1217 | ret = ops->vidioc_streamoff(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1218 | break; |
| 1219 | } |
| 1220 | /* ---------- tv norms ---------- */ |
| 1221 | case VIDIOC_ENUMSTD: |
| 1222 | { |
| 1223 | struct v4l2_standard *p = arg; |
| 1224 | v4l2_std_id id = vfd->tvnorms, curr_id = 0; |
| 1225 | unsigned int index = p->index, i, j = 0; |
| 1226 | const char *descr = ""; |
| 1227 | |
| 1228 | /* Return norm array in a canonical way */ |
| 1229 | for (i = 0; i <= index && id; i++) { |
| 1230 | /* last std value in the standards array is 0, so this |
| 1231 | while always ends there since (id & 0) == 0. */ |
| 1232 | while ((id & standards[j].std) != standards[j].std) |
| 1233 | j++; |
| 1234 | curr_id = standards[j].std; |
| 1235 | descr = standards[j].descr; |
| 1236 | j++; |
| 1237 | if (curr_id == 0) |
| 1238 | break; |
| 1239 | if (curr_id != V4L2_STD_PAL && |
| 1240 | curr_id != V4L2_STD_SECAM && |
| 1241 | curr_id != V4L2_STD_NTSC) |
| 1242 | id &= ~curr_id; |
| 1243 | } |
| 1244 | if (i <= index) |
Hans Verkuil | 3f5e182 | 2010-04-06 08:14:11 -0300 | [diff] [blame] | 1245 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1246 | |
| 1247 | v4l2_video_std_construct(p, curr_id, descr); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1248 | |
| 1249 | dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, " |
| 1250 | "framelines=%d\n", p->index, |
| 1251 | (unsigned long long)p->id, p->name, |
| 1252 | p->frameperiod.numerator, |
| 1253 | p->frameperiod.denominator, |
| 1254 | p->framelines); |
| 1255 | |
| 1256 | ret = 0; |
| 1257 | break; |
| 1258 | } |
| 1259 | case VIDIOC_G_STD: |
| 1260 | { |
| 1261 | v4l2_std_id *id = arg; |
| 1262 | |
| 1263 | ret = 0; |
| 1264 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1265 | if (ops->vidioc_g_std) |
| 1266 | ret = ops->vidioc_g_std(file, fh, id); |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1267 | else if (vfd->current_norm) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1268 | *id = vfd->current_norm; |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1269 | else |
| 1270 | ret = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1271 | |
| 1272 | if (!ret) |
| 1273 | dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id); |
| 1274 | break; |
| 1275 | } |
| 1276 | case VIDIOC_S_STD: |
| 1277 | { |
| 1278 | v4l2_std_id *id = arg, norm; |
| 1279 | |
| 1280 | dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id); |
| 1281 | |
| 1282 | norm = (*id) & vfd->tvnorms; |
| 1283 | if (vfd->tvnorms && !norm) /* Check if std is supported */ |
| 1284 | break; |
| 1285 | |
| 1286 | /* Calls the specific handler */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1287 | if (ops->vidioc_s_std) |
| 1288 | ret = ops->vidioc_s_std(file, fh, &norm); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1289 | else |
| 1290 | ret = -EINVAL; |
| 1291 | |
| 1292 | /* Updates standard information */ |
| 1293 | if (ret >= 0) |
| 1294 | vfd->current_norm = norm; |
| 1295 | break; |
| 1296 | } |
| 1297 | case VIDIOC_QUERYSTD: |
| 1298 | { |
| 1299 | v4l2_std_id *p = arg; |
| 1300 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1301 | if (!ops->vidioc_querystd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1302 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1303 | ret = ops->vidioc_querystd(file, fh, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1304 | if (!ret) |
| 1305 | dbgarg(cmd, "detected std=%08Lx\n", |
| 1306 | (unsigned long long)*p); |
| 1307 | break; |
| 1308 | } |
| 1309 | /* ------ input switching ---------- */ |
| 1310 | /* FIXME: Inputs can be handled inside videodev2 */ |
| 1311 | case VIDIOC_ENUMINPUT: |
| 1312 | { |
| 1313 | struct v4l2_input *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1314 | |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 1315 | /* |
| 1316 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & |
| 1317 | * CAP_STD here based on ioctl handler provided by the |
| 1318 | * driver. If the driver doesn't support these |
| 1319 | * for a specific input, it must override these flags. |
| 1320 | */ |
| 1321 | if (ops->vidioc_s_std) |
| 1322 | p->capabilities |= V4L2_IN_CAP_STD; |
| 1323 | if (ops->vidioc_s_dv_preset) |
| 1324 | p->capabilities |= V4L2_IN_CAP_PRESETS; |
| 1325 | if (ops->vidioc_s_dv_timings) |
| 1326 | p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS; |
| 1327 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1328 | if (!ops->vidioc_enum_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1329 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1330 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1331 | ret = ops->vidioc_enum_input(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1332 | if (!ret) |
| 1333 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1334 | "audioset=%d, " |
| 1335 | "tuner=%d, std=%08Lx, status=%d\n", |
| 1336 | p->index, p->name, p->type, p->audioset, |
| 1337 | p->tuner, |
| 1338 | (unsigned long long)p->std, |
| 1339 | p->status); |
| 1340 | break; |
| 1341 | } |
| 1342 | case VIDIOC_G_INPUT: |
| 1343 | { |
| 1344 | unsigned int *i = arg; |
| 1345 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1346 | if (!ops->vidioc_g_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1347 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1348 | ret = ops->vidioc_g_input(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1349 | if (!ret) |
| 1350 | dbgarg(cmd, "value=%d\n", *i); |
| 1351 | break; |
| 1352 | } |
| 1353 | case VIDIOC_S_INPUT: |
| 1354 | { |
| 1355 | unsigned int *i = arg; |
| 1356 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1357 | if (!ops->vidioc_s_input) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1358 | break; |
| 1359 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1360 | ret = ops->vidioc_s_input(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1361 | break; |
| 1362 | } |
| 1363 | |
| 1364 | /* ------ output switching ---------- */ |
| 1365 | case VIDIOC_ENUMOUTPUT: |
| 1366 | { |
| 1367 | struct v4l2_output *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1368 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1369 | if (!ops->vidioc_enum_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1370 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1371 | |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 1372 | /* |
| 1373 | * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & |
| 1374 | * CAP_STD here based on ioctl handler provided by the |
| 1375 | * driver. If the driver doesn't support these |
| 1376 | * for a specific output, it must override these flags. |
| 1377 | */ |
| 1378 | if (ops->vidioc_s_std) |
| 1379 | p->capabilities |= V4L2_OUT_CAP_STD; |
| 1380 | if (ops->vidioc_s_dv_preset) |
| 1381 | p->capabilities |= V4L2_OUT_CAP_PRESETS; |
| 1382 | if (ops->vidioc_s_dv_timings) |
| 1383 | p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS; |
| 1384 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1385 | ret = ops->vidioc_enum_output(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1386 | if (!ret) |
| 1387 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1388 | "audioset=0x%x, " |
| 1389 | "modulator=%d, std=0x%08Lx\n", |
| 1390 | p->index, p->name, p->type, p->audioset, |
| 1391 | p->modulator, (unsigned long long)p->std); |
| 1392 | break; |
| 1393 | } |
| 1394 | case VIDIOC_G_OUTPUT: |
| 1395 | { |
| 1396 | unsigned int *i = arg; |
| 1397 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1398 | if (!ops->vidioc_g_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1399 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1400 | ret = ops->vidioc_g_output(file, fh, i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1401 | if (!ret) |
| 1402 | dbgarg(cmd, "value=%d\n", *i); |
| 1403 | break; |
| 1404 | } |
| 1405 | case VIDIOC_S_OUTPUT: |
| 1406 | { |
| 1407 | unsigned int *i = arg; |
| 1408 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1409 | if (!ops->vidioc_s_output) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1410 | break; |
| 1411 | dbgarg(cmd, "value=%d\n", *i); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1412 | ret = ops->vidioc_s_output(file, fh, *i); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1413 | break; |
| 1414 | } |
| 1415 | |
| 1416 | /* --- controls ---------------------------------------------- */ |
| 1417 | case VIDIOC_QUERYCTRL: |
| 1418 | { |
| 1419 | struct v4l2_queryctrl *p = arg; |
| 1420 | |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1421 | if (vfd->ctrl_handler) |
| 1422 | ret = v4l2_queryctrl(vfd->ctrl_handler, p); |
| 1423 | else if (ops->vidioc_queryctrl) |
| 1424 | ret = ops->vidioc_queryctrl(file, fh, p); |
| 1425 | else |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1426 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1427 | if (!ret) |
| 1428 | dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, " |
| 1429 | "step=%d, default=%d, flags=0x%08x\n", |
| 1430 | p->id, p->type, p->name, |
| 1431 | p->minimum, p->maximum, |
| 1432 | p->step, p->default_value, p->flags); |
| 1433 | else |
| 1434 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1435 | break; |
| 1436 | } |
| 1437 | case VIDIOC_G_CTRL: |
| 1438 | { |
| 1439 | struct v4l2_control *p = arg; |
| 1440 | |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1441 | if (vfd->ctrl_handler) |
| 1442 | ret = v4l2_g_ctrl(vfd->ctrl_handler, p); |
| 1443 | else if (ops->vidioc_g_ctrl) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1444 | ret = ops->vidioc_g_ctrl(file, fh, p); |
| 1445 | else if (ops->vidioc_g_ext_ctrls) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1446 | struct v4l2_ext_controls ctrls; |
| 1447 | struct v4l2_ext_control ctrl; |
| 1448 | |
| 1449 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1450 | ctrls.count = 1; |
| 1451 | ctrls.controls = &ctrl; |
| 1452 | ctrl.id = p->id; |
| 1453 | ctrl.value = p->value; |
| 1454 | if (check_ext_ctrls(&ctrls, 1)) { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1455 | ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1456 | if (ret == 0) |
| 1457 | p->value = ctrl.value; |
| 1458 | } |
| 1459 | } else |
| 1460 | break; |
| 1461 | if (!ret) |
| 1462 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1463 | else |
| 1464 | dbgarg(cmd, "id=0x%x\n", p->id); |
| 1465 | break; |
| 1466 | } |
| 1467 | case VIDIOC_S_CTRL: |
| 1468 | { |
| 1469 | struct v4l2_control *p = arg; |
| 1470 | struct v4l2_ext_controls ctrls; |
| 1471 | struct v4l2_ext_control ctrl; |
| 1472 | |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1473 | if (!vfd->ctrl_handler && |
| 1474 | !ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1475 | break; |
| 1476 | |
| 1477 | dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value); |
| 1478 | |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1479 | if (vfd->ctrl_handler) { |
| 1480 | ret = v4l2_s_ctrl(vfd->ctrl_handler, p); |
| 1481 | break; |
| 1482 | } |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1483 | if (ops->vidioc_s_ctrl) { |
| 1484 | ret = ops->vidioc_s_ctrl(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1485 | break; |
| 1486 | } |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1487 | if (!ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1488 | break; |
| 1489 | |
| 1490 | ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); |
| 1491 | ctrls.count = 1; |
| 1492 | ctrls.controls = &ctrl; |
| 1493 | ctrl.id = p->id; |
| 1494 | ctrl.value = p->value; |
| 1495 | if (check_ext_ctrls(&ctrls, 1)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1496 | ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1497 | break; |
| 1498 | } |
| 1499 | case VIDIOC_G_EXT_CTRLS: |
| 1500 | { |
| 1501 | struct v4l2_ext_controls *p = arg; |
| 1502 | |
| 1503 | p->error_idx = p->count; |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1504 | if (vfd->ctrl_handler) |
| 1505 | ret = v4l2_g_ext_ctrls(vfd->ctrl_handler, p); |
| 1506 | else if (ops->vidioc_g_ext_ctrls && check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1507 | ret = ops->vidioc_g_ext_ctrls(file, fh, p); |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1508 | else |
| 1509 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1510 | v4l_print_ext_ctrls(cmd, vfd, p, !ret); |
| 1511 | break; |
| 1512 | } |
| 1513 | case VIDIOC_S_EXT_CTRLS: |
| 1514 | { |
| 1515 | struct v4l2_ext_controls *p = arg; |
| 1516 | |
| 1517 | p->error_idx = p->count; |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1518 | if (!vfd->ctrl_handler && !ops->vidioc_s_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1519 | break; |
| 1520 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1521 | if (vfd->ctrl_handler) |
| 1522 | ret = v4l2_s_ext_ctrls(vfd->ctrl_handler, p); |
| 1523 | else if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1524 | ret = ops->vidioc_s_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1525 | break; |
| 1526 | } |
| 1527 | case VIDIOC_TRY_EXT_CTRLS: |
| 1528 | { |
| 1529 | struct v4l2_ext_controls *p = arg; |
| 1530 | |
| 1531 | p->error_idx = p->count; |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1532 | if (!vfd->ctrl_handler && !ops->vidioc_try_ext_ctrls) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1533 | break; |
| 1534 | v4l_print_ext_ctrls(cmd, vfd, p, 1); |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1535 | if (vfd->ctrl_handler) |
| 1536 | ret = v4l2_try_ext_ctrls(vfd->ctrl_handler, p); |
| 1537 | else if (check_ext_ctrls(p, 0)) |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1538 | ret = ops->vidioc_try_ext_ctrls(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1539 | break; |
| 1540 | } |
| 1541 | case VIDIOC_QUERYMENU: |
| 1542 | { |
| 1543 | struct v4l2_querymenu *p = arg; |
| 1544 | |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 1545 | if (vfd->ctrl_handler) |
| 1546 | ret = v4l2_querymenu(vfd->ctrl_handler, p); |
| 1547 | else if (ops->vidioc_querymenu) |
| 1548 | ret = ops->vidioc_querymenu(file, fh, p); |
| 1549 | else |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1550 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1551 | if (!ret) |
| 1552 | dbgarg(cmd, "id=0x%x, index=%d, name=%s\n", |
| 1553 | p->id, p->index, p->name); |
| 1554 | else |
| 1555 | dbgarg(cmd, "id=0x%x, index=%d\n", |
| 1556 | p->id, p->index); |
| 1557 | break; |
| 1558 | } |
| 1559 | /* --- audio ---------------------------------------------- */ |
| 1560 | case VIDIOC_ENUMAUDIO: |
| 1561 | { |
| 1562 | struct v4l2_audio *p = arg; |
| 1563 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1564 | if (!ops->vidioc_enumaudio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1565 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1566 | ret = ops->vidioc_enumaudio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1567 | if (!ret) |
| 1568 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1569 | "mode=0x%x\n", p->index, p->name, |
| 1570 | p->capability, p->mode); |
| 1571 | else |
| 1572 | dbgarg(cmd, "index=%d\n", p->index); |
| 1573 | break; |
| 1574 | } |
| 1575 | case VIDIOC_G_AUDIO: |
| 1576 | { |
| 1577 | struct v4l2_audio *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1578 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1579 | if (!ops->vidioc_g_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1580 | break; |
| 1581 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1582 | ret = ops->vidioc_g_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1583 | if (!ret) |
| 1584 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1585 | "mode=0x%x\n", p->index, |
| 1586 | p->name, p->capability, p->mode); |
| 1587 | else |
| 1588 | dbgarg(cmd, "index=%d\n", p->index); |
| 1589 | break; |
| 1590 | } |
| 1591 | case VIDIOC_S_AUDIO: |
| 1592 | { |
| 1593 | struct v4l2_audio *p = arg; |
| 1594 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1595 | if (!ops->vidioc_s_audio) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1596 | break; |
| 1597 | dbgarg(cmd, "index=%d, name=%s, capability=0x%x, " |
| 1598 | "mode=0x%x\n", p->index, p->name, |
| 1599 | p->capability, p->mode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1600 | ret = ops->vidioc_s_audio(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1601 | break; |
| 1602 | } |
| 1603 | case VIDIOC_ENUMAUDOUT: |
| 1604 | { |
| 1605 | struct v4l2_audioout *p = arg; |
| 1606 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1607 | if (!ops->vidioc_enumaudout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1608 | break; |
| 1609 | dbgarg(cmd, "Enum for index=%d\n", p->index); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1610 | ret = ops->vidioc_enumaudout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1611 | if (!ret) |
| 1612 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1613 | "mode=%d\n", p->index, p->name, |
| 1614 | p->capability, p->mode); |
| 1615 | break; |
| 1616 | } |
| 1617 | case VIDIOC_G_AUDOUT: |
| 1618 | { |
| 1619 | struct v4l2_audioout *p = arg; |
| 1620 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1621 | if (!ops->vidioc_g_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1622 | break; |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1623 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1624 | ret = ops->vidioc_g_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1625 | if (!ret) |
| 1626 | dbgarg2("index=%d, name=%s, capability=%d, " |
| 1627 | "mode=%d\n", p->index, p->name, |
| 1628 | p->capability, p->mode); |
| 1629 | break; |
| 1630 | } |
| 1631 | case VIDIOC_S_AUDOUT: |
| 1632 | { |
| 1633 | struct v4l2_audioout *p = arg; |
| 1634 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1635 | if (!ops->vidioc_s_audout) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1636 | break; |
| 1637 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1638 | "mode=%d\n", p->index, p->name, |
| 1639 | p->capability, p->mode); |
| 1640 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1641 | ret = ops->vidioc_s_audout(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1642 | break; |
| 1643 | } |
| 1644 | case VIDIOC_G_MODULATOR: |
| 1645 | { |
| 1646 | struct v4l2_modulator *p = arg; |
| 1647 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1648 | if (!ops->vidioc_g_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1649 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1650 | ret = ops->vidioc_g_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1651 | if (!ret) |
| 1652 | dbgarg(cmd, "index=%d, name=%s, " |
| 1653 | "capability=%d, rangelow=%d," |
| 1654 | " rangehigh=%d, txsubchans=%d\n", |
| 1655 | p->index, p->name, p->capability, |
| 1656 | p->rangelow, p->rangehigh, |
| 1657 | p->txsubchans); |
| 1658 | break; |
| 1659 | } |
| 1660 | case VIDIOC_S_MODULATOR: |
| 1661 | { |
| 1662 | struct v4l2_modulator *p = arg; |
| 1663 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1664 | if (!ops->vidioc_s_modulator) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1665 | break; |
| 1666 | dbgarg(cmd, "index=%d, name=%s, capability=%d, " |
| 1667 | "rangelow=%d, rangehigh=%d, txsubchans=%d\n", |
| 1668 | p->index, p->name, p->capability, p->rangelow, |
| 1669 | p->rangehigh, p->txsubchans); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1670 | ret = ops->vidioc_s_modulator(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1671 | break; |
| 1672 | } |
| 1673 | case VIDIOC_G_CROP: |
| 1674 | { |
| 1675 | struct v4l2_crop *p = arg; |
| 1676 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1677 | if (!ops->vidioc_g_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1678 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1679 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1680 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1681 | ret = ops->vidioc_g_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1682 | if (!ret) |
| 1683 | dbgrect(vfd, "", &p->c); |
| 1684 | break; |
| 1685 | } |
| 1686 | case VIDIOC_S_CROP: |
| 1687 | { |
| 1688 | struct v4l2_crop *p = arg; |
| 1689 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1690 | if (!ops->vidioc_s_crop) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1691 | break; |
| 1692 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
| 1693 | dbgrect(vfd, "", &p->c); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1694 | ret = ops->vidioc_s_crop(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1695 | break; |
| 1696 | } |
| 1697 | case VIDIOC_CROPCAP: |
| 1698 | { |
| 1699 | struct v4l2_cropcap *p = arg; |
| 1700 | |
| 1701 | /*FIXME: Should also show v4l2_fract pixelaspect */ |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1702 | if (!ops->vidioc_cropcap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1703 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1704 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1705 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1706 | ret = ops->vidioc_cropcap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1707 | if (!ret) { |
| 1708 | dbgrect(vfd, "bounds ", &p->bounds); |
| 1709 | dbgrect(vfd, "defrect ", &p->defrect); |
| 1710 | } |
| 1711 | break; |
| 1712 | } |
| 1713 | case VIDIOC_G_JPEGCOMP: |
| 1714 | { |
| 1715 | struct v4l2_jpegcompression *p = arg; |
| 1716 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1717 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1718 | break; |
Mauro Carvalho Chehab | a56a18c | 2008-11-11 21:15:03 -0300 | [diff] [blame] | 1719 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1720 | ret = ops->vidioc_g_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1721 | if (!ret) |
| 1722 | dbgarg(cmd, "quality=%d, APPn=%d, " |
| 1723 | "APP_len=%d, COM_len=%d, " |
| 1724 | "jpeg_markers=%d\n", |
| 1725 | p->quality, p->APPn, p->APP_len, |
| 1726 | p->COM_len, p->jpeg_markers); |
| 1727 | break; |
| 1728 | } |
| 1729 | case VIDIOC_S_JPEGCOMP: |
| 1730 | { |
| 1731 | struct v4l2_jpegcompression *p = arg; |
| 1732 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1733 | if (!ops->vidioc_g_jpegcomp) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1734 | break; |
| 1735 | dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, " |
| 1736 | "COM_len=%d, jpeg_markers=%d\n", |
| 1737 | p->quality, p->APPn, p->APP_len, |
| 1738 | p->COM_len, p->jpeg_markers); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1739 | ret = ops->vidioc_s_jpegcomp(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1740 | break; |
| 1741 | } |
| 1742 | case VIDIOC_G_ENC_INDEX: |
| 1743 | { |
| 1744 | struct v4l2_enc_idx *p = arg; |
| 1745 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1746 | if (!ops->vidioc_g_enc_index) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1747 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1748 | ret = ops->vidioc_g_enc_index(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1749 | if (!ret) |
| 1750 | dbgarg(cmd, "entries=%d, entries_cap=%d\n", |
| 1751 | p->entries, p->entries_cap); |
| 1752 | break; |
| 1753 | } |
| 1754 | case VIDIOC_ENCODER_CMD: |
| 1755 | { |
| 1756 | struct v4l2_encoder_cmd *p = arg; |
| 1757 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1758 | if (!ops->vidioc_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1759 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1760 | ret = ops->vidioc_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1761 | if (!ret) |
| 1762 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1763 | break; |
| 1764 | } |
| 1765 | case VIDIOC_TRY_ENCODER_CMD: |
| 1766 | { |
| 1767 | struct v4l2_encoder_cmd *p = arg; |
| 1768 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1769 | if (!ops->vidioc_try_encoder_cmd) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1770 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1771 | ret = ops->vidioc_try_encoder_cmd(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1772 | if (!ret) |
| 1773 | dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); |
| 1774 | break; |
| 1775 | } |
| 1776 | case VIDIOC_G_PARM: |
| 1777 | { |
| 1778 | struct v4l2_streamparm *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1779 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1780 | if (ops->vidioc_g_parm) { |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1781 | ret = check_fmt(ops, p->type); |
| 1782 | if (ret) |
| 1783 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1784 | ret = ops->vidioc_g_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1785 | } else { |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1786 | v4l2_std_id std = vfd->current_norm; |
| 1787 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1788 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
Hans Verkuil | 3f5e182 | 2010-04-06 08:14:11 -0300 | [diff] [blame] | 1789 | break; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1790 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1791 | ret = 0; |
Hans Verkuil | 9bedc7f | 2009-08-07 07:28:16 -0300 | [diff] [blame] | 1792 | if (ops->vidioc_g_std) |
| 1793 | ret = ops->vidioc_g_std(file, fh, &std); |
| 1794 | else if (std == 0) |
| 1795 | ret = -EINVAL; |
| 1796 | if (ret == 0) |
| 1797 | v4l2_video_std_frame_period(std, |
| 1798 | &p->parm.capture.timeperframe); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1799 | } |
| 1800 | |
| 1801 | dbgarg(cmd, "type=%d\n", p->type); |
| 1802 | break; |
| 1803 | } |
| 1804 | case VIDIOC_S_PARM: |
| 1805 | { |
| 1806 | struct v4l2_streamparm *p = arg; |
| 1807 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1808 | if (!ops->vidioc_s_parm) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1809 | break; |
Trent Piepho | 34796bc | 2009-03-28 22:25:35 -0300 | [diff] [blame] | 1810 | ret = check_fmt(ops, p->type); |
| 1811 | if (ret) |
| 1812 | break; |
| 1813 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1814 | dbgarg(cmd, "type=%d\n", p->type); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1815 | ret = ops->vidioc_s_parm(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1816 | break; |
| 1817 | } |
| 1818 | case VIDIOC_G_TUNER: |
| 1819 | { |
| 1820 | struct v4l2_tuner *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1821 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1822 | if (!ops->vidioc_g_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1823 | break; |
| 1824 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1825 | ret = ops->vidioc_g_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1826 | if (!ret) |
| 1827 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1828 | "capability=0x%x, rangelow=%d, " |
| 1829 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1830 | "rxsubchans=0x%x, audmode=%d\n", |
| 1831 | p->index, p->name, p->type, |
| 1832 | p->capability, p->rangelow, |
| 1833 | p->rangehigh, p->signal, p->afc, |
| 1834 | p->rxsubchans, p->audmode); |
| 1835 | break; |
| 1836 | } |
| 1837 | case VIDIOC_S_TUNER: |
| 1838 | { |
| 1839 | struct v4l2_tuner *p = arg; |
| 1840 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1841 | if (!ops->vidioc_s_tuner) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1842 | break; |
| 1843 | dbgarg(cmd, "index=%d, name=%s, type=%d, " |
| 1844 | "capability=0x%x, rangelow=%d, " |
| 1845 | "rangehigh=%d, signal=%d, afc=%d, " |
| 1846 | "rxsubchans=0x%x, audmode=%d\n", |
| 1847 | p->index, p->name, p->type, |
| 1848 | p->capability, p->rangelow, |
| 1849 | p->rangehigh, p->signal, p->afc, |
| 1850 | p->rxsubchans, p->audmode); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1851 | ret = ops->vidioc_s_tuner(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1852 | break; |
| 1853 | } |
| 1854 | case VIDIOC_G_FREQUENCY: |
| 1855 | { |
| 1856 | struct v4l2_frequency *p = arg; |
| 1857 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1858 | if (!ops->vidioc_g_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1859 | break; |
| 1860 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1861 | ret = ops->vidioc_g_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1862 | if (!ret) |
| 1863 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1864 | p->tuner, p->type, p->frequency); |
| 1865 | break; |
| 1866 | } |
| 1867 | case VIDIOC_S_FREQUENCY: |
| 1868 | { |
| 1869 | struct v4l2_frequency *p = arg; |
| 1870 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1871 | if (!ops->vidioc_s_frequency) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1872 | break; |
| 1873 | dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n", |
| 1874 | p->tuner, p->type, p->frequency); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1875 | ret = ops->vidioc_s_frequency(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1876 | break; |
| 1877 | } |
| 1878 | case VIDIOC_G_SLICED_VBI_CAP: |
| 1879 | { |
| 1880 | struct v4l2_sliced_vbi_cap *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1881 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1882 | if (!ops->vidioc_g_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1883 | break; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 1884 | |
| 1885 | /* Clear up to type, everything after type is zerod already */ |
| 1886 | memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); |
| 1887 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1888 | dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names)); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1889 | ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1890 | if (!ret) |
| 1891 | dbgarg2("service_set=%d\n", p->service_set); |
| 1892 | break; |
| 1893 | } |
| 1894 | case VIDIOC_LOG_STATUS: |
| 1895 | { |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1896 | if (!ops->vidioc_log_status) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1897 | break; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1898 | ret = ops->vidioc_log_status(file, fh); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1899 | break; |
| 1900 | } |
| 1901 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1902 | case VIDIOC_DBG_G_REGISTER: |
| 1903 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1904 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1905 | |
Hans Verkuil | a1198cc | 2011-01-08 09:53:32 -0300 | [diff] [blame] | 1906 | if (ops->vidioc_g_register) { |
| 1907 | if (!capable(CAP_SYS_ADMIN)) |
| 1908 | ret = -EPERM; |
| 1909 | else |
| 1910 | ret = ops->vidioc_g_register(file, fh, p); |
| 1911 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1912 | break; |
| 1913 | } |
| 1914 | case VIDIOC_DBG_S_REGISTER: |
| 1915 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1916 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1917 | |
Hans Verkuil | a1198cc | 2011-01-08 09:53:32 -0300 | [diff] [blame] | 1918 | if (ops->vidioc_s_register) { |
| 1919 | if (!capable(CAP_SYS_ADMIN)) |
| 1920 | ret = -EPERM; |
| 1921 | else |
| 1922 | ret = ops->vidioc_s_register(file, fh, p); |
| 1923 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1924 | break; |
| 1925 | } |
| 1926 | #endif |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1927 | case VIDIOC_DBG_G_CHIP_IDENT: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1928 | { |
Hans Verkuil | aecde8b5 | 2008-12-30 07:14:19 -0300 | [diff] [blame] | 1929 | struct v4l2_dbg_chip_ident *p = arg; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1930 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1931 | if (!ops->vidioc_g_chip_ident) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1932 | break; |
Hans Verkuil | 80b36e0 | 2009-02-07 11:00:02 -0300 | [diff] [blame] | 1933 | p->ident = V4L2_IDENT_NONE; |
| 1934 | p->revision = 0; |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1935 | ret = ops->vidioc_g_chip_ident(file, fh, p); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1936 | if (!ret) |
| 1937 | dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); |
| 1938 | break; |
| 1939 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1940 | case VIDIOC_S_HW_FREQ_SEEK: |
| 1941 | { |
| 1942 | struct v4l2_hw_freq_seek *p = arg; |
| 1943 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1944 | if (!ops->vidioc_s_hw_freq_seek) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 1945 | break; |
| 1946 | dbgarg(cmd, |
| 1947 | "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n", |
| 1948 | p->tuner, p->type, p->seek_upward, p->wrap_around); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 1949 | ret = ops->vidioc_s_hw_freq_seek(file, fh, p); |
| 1950 | break; |
| 1951 | } |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1952 | case VIDIOC_ENUM_FRAMESIZES: |
| 1953 | { |
| 1954 | struct v4l2_frmsizeenum *p = arg; |
| 1955 | |
| 1956 | if (!ops->vidioc_enum_framesizes) |
| 1957 | break; |
| 1958 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1959 | ret = ops->vidioc_enum_framesizes(file, fh, p); |
| 1960 | dbgarg(cmd, |
Mauro Carvalho Chehab | d1afe42 | 2009-06-21 22:37:12 -0300 | [diff] [blame] | 1961 | "index=%d, pixelformat=%c%c%c%c, type=%d ", |
| 1962 | p->index, |
| 1963 | (p->pixel_format & 0xff), |
| 1964 | (p->pixel_format >> 8) & 0xff, |
| 1965 | (p->pixel_format >> 16) & 0xff, |
| 1966 | (p->pixel_format >> 24) & 0xff, |
| 1967 | p->type); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1968 | switch (p->type) { |
| 1969 | case V4L2_FRMSIZE_TYPE_DISCRETE: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1970 | dbgarg3("width = %d, height=%d\n", |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1971 | p->discrete.width, p->discrete.height); |
| 1972 | break; |
| 1973 | case V4L2_FRMSIZE_TYPE_STEPWISE: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1974 | dbgarg3("min %dx%d, max %dx%d, step %dx%d\n", |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1975 | p->stepwise.min_width, p->stepwise.min_height, |
| 1976 | p->stepwise.step_width, p->stepwise.step_height, |
| 1977 | p->stepwise.max_width, p->stepwise.max_height); |
| 1978 | break; |
| 1979 | case V4L2_FRMSIZE_TYPE_CONTINUOUS: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1980 | dbgarg3("continuous\n"); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1981 | break; |
| 1982 | default: |
Mauro Carvalho Chehab | d33fbcb | 2009-07-02 17:07:32 -0300 | [diff] [blame] | 1983 | dbgarg3("- Unknown type!\n"); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1984 | } |
| 1985 | |
| 1986 | break; |
| 1987 | } |
| 1988 | case VIDIOC_ENUM_FRAMEINTERVALS: |
| 1989 | { |
| 1990 | struct v4l2_frmivalenum *p = arg; |
| 1991 | |
| 1992 | if (!ops->vidioc_enum_frameintervals) |
| 1993 | break; |
| 1994 | |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 1995 | ret = ops->vidioc_enum_frameintervals(file, fh, p); |
| 1996 | dbgarg(cmd, |
| 1997 | "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ", |
| 1998 | p->index, p->pixel_format, |
| 1999 | p->width, p->height, p->type); |
| 2000 | switch (p->type) { |
| 2001 | case V4L2_FRMIVAL_TYPE_DISCRETE: |
| 2002 | dbgarg2("fps=%d/%d\n", |
| 2003 | p->discrete.numerator, |
| 2004 | p->discrete.denominator); |
| 2005 | break; |
| 2006 | case V4L2_FRMIVAL_TYPE_STEPWISE: |
Mauro Carvalho Chehab | 1958578 | 2008-11-12 01:03:02 -0300 | [diff] [blame] | 2007 | dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n", |
| 2008 | p->stepwise.min.numerator, |
| 2009 | p->stepwise.min.denominator, |
| 2010 | p->stepwise.max.numerator, |
| 2011 | p->stepwise.max.denominator, |
| 2012 | p->stepwise.step.numerator, |
| 2013 | p->stepwise.step.denominator); |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 2014 | break; |
| 2015 | case V4L2_FRMIVAL_TYPE_CONTINUOUS: |
| 2016 | dbgarg2("continuous\n"); |
| 2017 | break; |
| 2018 | default: |
| 2019 | dbgarg2("- Unknown type!\n"); |
| 2020 | } |
| 2021 | break; |
| 2022 | } |
Muralidharan Karicheri | b6456c0 | 2009-11-19 12:00:31 -0300 | [diff] [blame] | 2023 | case VIDIOC_ENUM_DV_PRESETS: |
| 2024 | { |
| 2025 | struct v4l2_dv_enum_preset *p = arg; |
| 2026 | |
| 2027 | if (!ops->vidioc_enum_dv_presets) |
| 2028 | break; |
| 2029 | |
| 2030 | ret = ops->vidioc_enum_dv_presets(file, fh, p); |
| 2031 | if (!ret) |
| 2032 | dbgarg(cmd, |
| 2033 | "index=%d, preset=%d, name=%s, width=%d," |
| 2034 | " height=%d ", |
| 2035 | p->index, p->preset, p->name, p->width, |
| 2036 | p->height); |
| 2037 | break; |
| 2038 | } |
| 2039 | case VIDIOC_S_DV_PRESET: |
| 2040 | { |
| 2041 | struct v4l2_dv_preset *p = arg; |
| 2042 | |
| 2043 | if (!ops->vidioc_s_dv_preset) |
| 2044 | break; |
| 2045 | |
| 2046 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 2047 | ret = ops->vidioc_s_dv_preset(file, fh, p); |
| 2048 | break; |
| 2049 | } |
| 2050 | case VIDIOC_G_DV_PRESET: |
| 2051 | { |
| 2052 | struct v4l2_dv_preset *p = arg; |
| 2053 | |
| 2054 | if (!ops->vidioc_g_dv_preset) |
| 2055 | break; |
| 2056 | |
| 2057 | ret = ops->vidioc_g_dv_preset(file, fh, p); |
| 2058 | if (!ret) |
| 2059 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 2060 | break; |
| 2061 | } |
| 2062 | case VIDIOC_QUERY_DV_PRESET: |
| 2063 | { |
| 2064 | struct v4l2_dv_preset *p = arg; |
| 2065 | |
| 2066 | if (!ops->vidioc_query_dv_preset) |
| 2067 | break; |
| 2068 | |
| 2069 | ret = ops->vidioc_query_dv_preset(file, fh, p); |
| 2070 | if (!ret) |
| 2071 | dbgarg(cmd, "preset=%d\n", p->preset); |
| 2072 | break; |
| 2073 | } |
| 2074 | case VIDIOC_S_DV_TIMINGS: |
| 2075 | { |
| 2076 | struct v4l2_dv_timings *p = arg; |
| 2077 | |
| 2078 | if (!ops->vidioc_s_dv_timings) |
| 2079 | break; |
| 2080 | |
| 2081 | switch (p->type) { |
| 2082 | case V4L2_DV_BT_656_1120: |
| 2083 | dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld," |
| 2084 | " width=%d, height=%d, polarities=%x," |
| 2085 | " hfrontporch=%d, hsync=%d, hbackporch=%d," |
| 2086 | " vfrontporch=%d, vsync=%d, vbackporch=%d," |
| 2087 | " il_vfrontporch=%d, il_vsync=%d," |
| 2088 | " il_vbackporch=%d\n", |
| 2089 | p->bt.interlaced, p->bt.pixelclock, |
| 2090 | p->bt.width, p->bt.height, p->bt.polarities, |
| 2091 | p->bt.hfrontporch, p->bt.hsync, |
| 2092 | p->bt.hbackporch, p->bt.vfrontporch, |
| 2093 | p->bt.vsync, p->bt.vbackporch, |
| 2094 | p->bt.il_vfrontporch, p->bt.il_vsync, |
| 2095 | p->bt.il_vbackporch); |
| 2096 | ret = ops->vidioc_s_dv_timings(file, fh, p); |
| 2097 | break; |
| 2098 | default: |
| 2099 | dbgarg2("Unknown type %d!\n", p->type); |
| 2100 | break; |
| 2101 | } |
| 2102 | break; |
| 2103 | } |
| 2104 | case VIDIOC_G_DV_TIMINGS: |
| 2105 | { |
| 2106 | struct v4l2_dv_timings *p = arg; |
| 2107 | |
| 2108 | if (!ops->vidioc_g_dv_timings) |
| 2109 | break; |
| 2110 | |
| 2111 | ret = ops->vidioc_g_dv_timings(file, fh, p); |
| 2112 | if (!ret) { |
| 2113 | switch (p->type) { |
| 2114 | case V4L2_DV_BT_656_1120: |
| 2115 | dbgarg2("bt-656/1120:interlaced=%d," |
| 2116 | " pixelclock=%lld," |
| 2117 | " width=%d, height=%d, polarities=%x," |
| 2118 | " hfrontporch=%d, hsync=%d," |
| 2119 | " hbackporch=%d, vfrontporch=%d," |
| 2120 | " vsync=%d, vbackporch=%d," |
| 2121 | " il_vfrontporch=%d, il_vsync=%d," |
| 2122 | " il_vbackporch=%d\n", |
| 2123 | p->bt.interlaced, p->bt.pixelclock, |
| 2124 | p->bt.width, p->bt.height, |
| 2125 | p->bt.polarities, p->bt.hfrontporch, |
| 2126 | p->bt.hsync, p->bt.hbackporch, |
| 2127 | p->bt.vfrontporch, p->bt.vsync, |
| 2128 | p->bt.vbackporch, p->bt.il_vfrontporch, |
| 2129 | p->bt.il_vsync, p->bt.il_vbackporch); |
| 2130 | break; |
| 2131 | default: |
| 2132 | dbgarg2("Unknown type %d!\n", p->type); |
| 2133 | break; |
| 2134 | } |
| 2135 | } |
| 2136 | break; |
| 2137 | } |
Sakari Ailus | d3d7c96 | 2010-03-27 11:02:10 -0300 | [diff] [blame] | 2138 | case VIDIOC_DQEVENT: |
| 2139 | { |
| 2140 | struct v4l2_event *ev = arg; |
Mauro Carvalho Chehab | 74d83fa | 2008-11-11 21:13:47 -0300 | [diff] [blame] | 2141 | |
Sakari Ailus | d3d7c96 | 2010-03-27 11:02:10 -0300 | [diff] [blame] | 2142 | if (!ops->vidioc_subscribe_event) |
| 2143 | break; |
| 2144 | |
| 2145 | ret = v4l2_event_dequeue(fh, ev, file->f_flags & O_NONBLOCK); |
| 2146 | if (ret < 0) { |
| 2147 | dbgarg(cmd, "no pending events?"); |
| 2148 | break; |
| 2149 | } |
| 2150 | dbgarg(cmd, |
| 2151 | "pending=%d, type=0x%8.8x, sequence=%d, " |
| 2152 | "timestamp=%lu.%9.9lu ", |
| 2153 | ev->pending, ev->type, ev->sequence, |
| 2154 | ev->timestamp.tv_sec, ev->timestamp.tv_nsec); |
| 2155 | break; |
| 2156 | } |
| 2157 | case VIDIOC_SUBSCRIBE_EVENT: |
| 2158 | { |
| 2159 | struct v4l2_event_subscription *sub = arg; |
| 2160 | |
| 2161 | if (!ops->vidioc_subscribe_event) |
| 2162 | break; |
| 2163 | |
| 2164 | ret = ops->vidioc_subscribe_event(fh, sub); |
| 2165 | if (ret < 0) { |
| 2166 | dbgarg(cmd, "failed, ret=%ld", ret); |
| 2167 | break; |
| 2168 | } |
| 2169 | dbgarg(cmd, "type=0x%8.8x", sub->type); |
| 2170 | break; |
| 2171 | } |
| 2172 | case VIDIOC_UNSUBSCRIBE_EVENT: |
| 2173 | { |
| 2174 | struct v4l2_event_subscription *sub = arg; |
| 2175 | |
| 2176 | if (!ops->vidioc_unsubscribe_event) |
| 2177 | break; |
| 2178 | |
| 2179 | ret = ops->vidioc_unsubscribe_event(fh, sub); |
| 2180 | if (ret < 0) { |
| 2181 | dbgarg(cmd, "failed, ret=%ld", ret); |
| 2182 | break; |
| 2183 | } |
| 2184 | dbgarg(cmd, "type=0x%8.8x", sub->type); |
| 2185 | break; |
| 2186 | } |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 2187 | default: |
| 2188 | { |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 2189 | bool valid_prio = true; |
| 2190 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 2191 | if (!ops->vidioc_default) |
| 2192 | break; |
Hans Verkuil | b1a873a | 2011-03-22 10:14:07 -0300 | [diff] [blame] | 2193 | if (use_fh_prio) |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 2194 | valid_prio = v4l2_prio_check(vfd->prio, vfh->prio) >= 0; |
| 2195 | ret = ops->vidioc_default(file, fh, valid_prio, cmd, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2196 | break; |
| 2197 | } |
| 2198 | } /* switch */ |
| 2199 | |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 2200 | exit_prio: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2201 | if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { |
| 2202 | if (ret < 0) { |
| 2203 | v4l_print_ioctl(vfd->name, cmd); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2204 | printk(KERN_CONT " error %ld\n", ret); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | return ret; |
| 2209 | } |
| 2210 | |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2211 | /* In some cases, only a few fields are used as input, i.e. when the app sets |
| 2212 | * "index" and then the driver fills in the rest of the structure for the thing |
| 2213 | * with that index. We only need to copy up the first non-input field. */ |
| 2214 | static unsigned long cmd_input_size(unsigned int cmd) |
| 2215 | { |
| 2216 | /* Size of structure up to and including 'field' */ |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 2217 | #define CMDINSIZE(cmd, type, field) \ |
| 2218 | case VIDIOC_##cmd: \ |
| 2219 | return offsetof(struct v4l2_##type, field) + \ |
| 2220 | sizeof(((struct v4l2_##type *)0)->field); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2221 | |
Hans Verkuil | 9f1a693 | 2009-03-08 10:35:23 -0300 | [diff] [blame] | 2222 | switch (cmd) { |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2223 | CMDINSIZE(ENUM_FMT, fmtdesc, type); |
| 2224 | CMDINSIZE(G_FMT, format, type); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2225 | CMDINSIZE(QUERYBUF, buffer, length); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2226 | CMDINSIZE(G_PARM, streamparm, type); |
| 2227 | CMDINSIZE(ENUMSTD, standard, index); |
| 2228 | CMDINSIZE(ENUMINPUT, input, index); |
| 2229 | CMDINSIZE(G_CTRL, control, id); |
| 2230 | CMDINSIZE(G_TUNER, tuner, index); |
| 2231 | CMDINSIZE(QUERYCTRL, queryctrl, id); |
| 2232 | CMDINSIZE(QUERYMENU, querymenu, index); |
| 2233 | CMDINSIZE(ENUMOUTPUT, output, index); |
| 2234 | CMDINSIZE(G_MODULATOR, modulator, index); |
| 2235 | CMDINSIZE(G_FREQUENCY, frequency, tuner); |
| 2236 | CMDINSIZE(CROPCAP, cropcap, type); |
| 2237 | CMDINSIZE(G_CROP, crop, type); |
| 2238 | CMDINSIZE(ENUMAUDIO, audio, index); |
| 2239 | CMDINSIZE(ENUMAUDOUT, audioout, index); |
| 2240 | CMDINSIZE(ENCODER_CMD, encoder_cmd, flags); |
| 2241 | CMDINSIZE(TRY_ENCODER_CMD, encoder_cmd, flags); |
| 2242 | CMDINSIZE(G_SLICED_VBI_CAP, sliced_vbi_cap, type); |
| 2243 | CMDINSIZE(ENUM_FRAMESIZES, frmsizeenum, pixel_format); |
| 2244 | CMDINSIZE(ENUM_FRAMEINTERVALS, frmivalenum, height); |
| 2245 | default: |
| 2246 | return _IOC_SIZE(cmd); |
| 2247 | } |
| 2248 | } |
| 2249 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2250 | static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, |
| 2251 | void * __user *user_ptr, void ***kernel_ptr) |
| 2252 | { |
| 2253 | int ret = 0; |
| 2254 | |
| 2255 | switch (cmd) { |
| 2256 | case VIDIOC_QUERYBUF: |
| 2257 | case VIDIOC_QBUF: |
| 2258 | case VIDIOC_DQBUF: { |
| 2259 | struct v4l2_buffer *buf = parg; |
| 2260 | |
| 2261 | if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { |
| 2262 | if (buf->length > VIDEO_MAX_PLANES) { |
| 2263 | ret = -EINVAL; |
| 2264 | break; |
| 2265 | } |
| 2266 | *user_ptr = (void __user *)buf->m.planes; |
| 2267 | *kernel_ptr = (void **)&buf->m.planes; |
| 2268 | *array_size = sizeof(struct v4l2_plane) * buf->length; |
| 2269 | ret = 1; |
| 2270 | } |
| 2271 | break; |
| 2272 | } |
| 2273 | |
| 2274 | case VIDIOC_S_EXT_CTRLS: |
| 2275 | case VIDIOC_G_EXT_CTRLS: |
| 2276 | case VIDIOC_TRY_EXT_CTRLS: { |
| 2277 | struct v4l2_ext_controls *ctrls = parg; |
| 2278 | |
| 2279 | if (ctrls->count != 0) { |
| 2280 | *user_ptr = (void __user *)ctrls->controls; |
| 2281 | *kernel_ptr = (void **)&ctrls->controls; |
| 2282 | *array_size = sizeof(struct v4l2_ext_control) |
| 2283 | * ctrls->count; |
| 2284 | ret = 1; |
| 2285 | } |
| 2286 | break; |
| 2287 | } |
| 2288 | } |
| 2289 | |
| 2290 | return ret; |
| 2291 | } |
| 2292 | |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2293 | long |
| 2294 | video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, |
| 2295 | v4l2_kioctl func) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2296 | { |
| 2297 | char sbuf[128]; |
| 2298 | void *mbuf = NULL; |
Hans Verkuil | 1d94aa3 | 2010-04-06 08:12:21 -0300 | [diff] [blame] | 2299 | void *parg = (void *)arg; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2300 | long err = -EINVAL; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2301 | bool has_array_args; |
| 2302 | size_t array_size = 0; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2303 | void __user *user_ptr = NULL; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2304 | void **kernel_ptr = NULL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2305 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2306 | /* Copy arguments into temp kernel buffer */ |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2307 | if (_IOC_DIR(cmd) != _IOC_NONE) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2308 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 2309 | parg = sbuf; |
| 2310 | } else { |
| 2311 | /* too big to allocate from stack */ |
| 2312 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 2313 | if (NULL == mbuf) |
| 2314 | return -ENOMEM; |
| 2315 | parg = mbuf; |
| 2316 | } |
| 2317 | |
| 2318 | err = -EFAULT; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2319 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 2320 | unsigned long n = cmd_input_size(cmd); |
| 2321 | |
| 2322 | if (copy_from_user(parg, (void __user *)arg, n)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2323 | goto out; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2324 | |
| 2325 | /* zero out anything we don't copy from userspace */ |
| 2326 | if (n < _IOC_SIZE(cmd)) |
| 2327 | memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2328 | } else { |
| 2329 | /* read-only ioctl */ |
| 2330 | memset(parg, 0, _IOC_SIZE(cmd)); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2331 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2332 | } |
| 2333 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2334 | err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); |
| 2335 | if (err < 0) |
| 2336 | goto out; |
| 2337 | has_array_args = err; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2338 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2339 | if (has_array_args) { |
| 2340 | /* |
| 2341 | * When adding new types of array args, make sure that the |
| 2342 | * parent argument to ioctl (which contains the pointer to the |
| 2343 | * array) fits into sbuf (so that mbuf will still remain |
| 2344 | * unused up to here). |
| 2345 | */ |
| 2346 | mbuf = kmalloc(array_size, GFP_KERNEL); |
| 2347 | err = -ENOMEM; |
| 2348 | if (NULL == mbuf) |
| 2349 | goto out_array_args; |
| 2350 | err = -EFAULT; |
| 2351 | if (copy_from_user(mbuf, user_ptr, array_size)) |
| 2352 | goto out_array_args; |
| 2353 | *kernel_ptr = mbuf; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2354 | } |
| 2355 | |
| 2356 | /* Handles IOCTL */ |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2357 | err = func(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2358 | if (err == -ENOIOCTLCMD) |
| 2359 | err = -EINVAL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2360 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2361 | if (has_array_args) { |
| 2362 | *kernel_ptr = user_ptr; |
| 2363 | if (copy_to_user(user_ptr, mbuf, array_size)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2364 | err = -EFAULT; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2365 | goto out_array_args; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2366 | } |
| 2367 | if (err < 0) |
| 2368 | goto out; |
| 2369 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2370 | out_array_args: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2371 | /* Copy results into user buffer */ |
| 2372 | switch (_IOC_DIR(cmd)) { |
| 2373 | case _IOC_READ: |
| 2374 | case (_IOC_WRITE | _IOC_READ): |
| 2375 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 2376 | err = -EFAULT; |
| 2377 | break; |
| 2378 | } |
| 2379 | |
| 2380 | out: |
| 2381 | kfree(mbuf); |
| 2382 | return err; |
| 2383 | } |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2384 | EXPORT_SYMBOL(video_usercopy); |
| 2385 | |
| 2386 | long video_ioctl2(struct file *file, |
| 2387 | unsigned int cmd, unsigned long arg) |
| 2388 | { |
| 2389 | return video_usercopy(file, cmd, arg, __video_do_ioctl); |
| 2390 | } |
Mauro Carvalho Chehab | 8a522c9 | 2008-10-21 11:58:39 -0300 | [diff] [blame] | 2391 | EXPORT_SYMBOL(video_ioctl2); |