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> |
Mauro Carvalho Chehab | ae6db51 | 2011-06-24 13:14:14 -0300 | [diff] [blame] | 19 | #include <linux/version.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 20 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 21 | #include <linux/videodev2.h> |
| 22 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 23 | #include <media/v4l2-common.h> |
| 24 | #include <media/v4l2-ioctl.h> |
Hans Verkuil | 11bbc1c | 2010-05-16 09:24:06 -0300 | [diff] [blame] | 25 | #include <media/v4l2-ctrls.h> |
Sakari Ailus | d3d7c96 | 2010-03-27 11:02:10 -0300 | [diff] [blame] | 26 | #include <media/v4l2-fh.h> |
| 27 | #include <media/v4l2-event.h> |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 28 | #include <media/v4l2-device.h> |
Junghak Sung | c139990 | 2015-09-22 10:30:29 -0300 | [diff] [blame] | 29 | #include <media/videobuf2-v4l2.h> |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 30 | #include <media/v4l2-mc.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 31 | |
Hans Verkuil | aa32f4c | 2013-12-16 05:45:37 -0300 | [diff] [blame] | 32 | #include <trace/events/v4l2.h> |
| 33 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 34 | /* 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] | 35 | * not including, the specified field is cleared. */ |
| 36 | #define CLEAR_AFTER_FIELD(p, field) \ |
| 37 | memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ |
| 38 | 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) |
| 39 | |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 40 | #define is_valid_ioctl(vfd, cmd) test_bit(_IOC_NR(cmd), (vfd)->valid_ioctls) |
| 41 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 42 | struct std_descr { |
| 43 | v4l2_std_id std; |
| 44 | const char *descr; |
| 45 | }; |
| 46 | |
| 47 | static const struct std_descr standards[] = { |
| 48 | { V4L2_STD_NTSC, "NTSC" }, |
| 49 | { V4L2_STD_NTSC_M, "NTSC-M" }, |
| 50 | { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, |
| 51 | { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, |
| 52 | { V4L2_STD_NTSC_443, "NTSC-443" }, |
| 53 | { V4L2_STD_PAL, "PAL" }, |
| 54 | { V4L2_STD_PAL_BG, "PAL-BG" }, |
| 55 | { V4L2_STD_PAL_B, "PAL-B" }, |
| 56 | { V4L2_STD_PAL_B1, "PAL-B1" }, |
| 57 | { V4L2_STD_PAL_G, "PAL-G" }, |
| 58 | { V4L2_STD_PAL_H, "PAL-H" }, |
| 59 | { V4L2_STD_PAL_I, "PAL-I" }, |
| 60 | { V4L2_STD_PAL_DK, "PAL-DK" }, |
| 61 | { V4L2_STD_PAL_D, "PAL-D" }, |
| 62 | { V4L2_STD_PAL_D1, "PAL-D1" }, |
| 63 | { V4L2_STD_PAL_K, "PAL-K" }, |
| 64 | { V4L2_STD_PAL_M, "PAL-M" }, |
| 65 | { V4L2_STD_PAL_N, "PAL-N" }, |
| 66 | { V4L2_STD_PAL_Nc, "PAL-Nc" }, |
| 67 | { V4L2_STD_PAL_60, "PAL-60" }, |
| 68 | { V4L2_STD_SECAM, "SECAM" }, |
| 69 | { V4L2_STD_SECAM_B, "SECAM-B" }, |
| 70 | { V4L2_STD_SECAM_G, "SECAM-G" }, |
| 71 | { V4L2_STD_SECAM_H, "SECAM-H" }, |
| 72 | { V4L2_STD_SECAM_DK, "SECAM-DK" }, |
| 73 | { V4L2_STD_SECAM_D, "SECAM-D" }, |
| 74 | { V4L2_STD_SECAM_K, "SECAM-K" }, |
| 75 | { V4L2_STD_SECAM_K1, "SECAM-K1" }, |
| 76 | { V4L2_STD_SECAM_L, "SECAM-L" }, |
| 77 | { V4L2_STD_SECAM_LC, "SECAM-Lc" }, |
| 78 | { 0, "Unknown" } |
| 79 | }; |
| 80 | |
| 81 | /* video4linux standard ID conversion to standard name |
| 82 | */ |
| 83 | const char *v4l2_norm_to_name(v4l2_std_id id) |
| 84 | { |
| 85 | u32 myid = id; |
| 86 | int i; |
| 87 | |
| 88 | /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle |
| 89 | 64 bit comparations. So, on that architecture, with some gcc |
| 90 | variants, compilation fails. Currently, the max value is 30bit wide. |
| 91 | */ |
| 92 | BUG_ON(myid != id); |
| 93 | |
| 94 | for (i = 0; standards[i].std; i++) |
| 95 | if (myid == standards[i].std) |
| 96 | break; |
| 97 | return standards[i].descr; |
| 98 | } |
| 99 | EXPORT_SYMBOL(v4l2_norm_to_name); |
| 100 | |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 101 | /* Returns frame period for the given standard */ |
| 102 | void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) |
| 103 | { |
| 104 | if (id & V4L2_STD_525_60) { |
| 105 | frameperiod->numerator = 1001; |
| 106 | frameperiod->denominator = 30000; |
| 107 | } else { |
| 108 | frameperiod->numerator = 1; |
| 109 | frameperiod->denominator = 25; |
| 110 | } |
| 111 | } |
| 112 | EXPORT_SYMBOL(v4l2_video_std_frame_period); |
| 113 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 114 | /* Fill in the fields of a v4l2_standard structure according to the |
| 115 | 'id' and 'transmission' parameters. Returns negative on error. */ |
| 116 | int v4l2_video_std_construct(struct v4l2_standard *vs, |
| 117 | int id, const char *name) |
| 118 | { |
Trent Piepho | 51f0b8d5 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 119 | vs->id = id; |
| 120 | v4l2_video_std_frame_period(id, &vs->frameperiod); |
| 121 | vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 122 | strlcpy(vs->name, name, sizeof(vs->name)); |
| 123 | return 0; |
| 124 | } |
| 125 | EXPORT_SYMBOL(v4l2_video_std_construct); |
| 126 | |
| 127 | /* ----------------------------------------------------------------- */ |
| 128 | /* some arrays for pretty-printing debug messages of enum types */ |
| 129 | |
| 130 | const char *v4l2_field_names[] = { |
| 131 | [V4L2_FIELD_ANY] = "any", |
| 132 | [V4L2_FIELD_NONE] = "none", |
| 133 | [V4L2_FIELD_TOP] = "top", |
| 134 | [V4L2_FIELD_BOTTOM] = "bottom", |
| 135 | [V4L2_FIELD_INTERLACED] = "interlaced", |
| 136 | [V4L2_FIELD_SEQ_TB] = "seq-tb", |
| 137 | [V4L2_FIELD_SEQ_BT] = "seq-bt", |
| 138 | [V4L2_FIELD_ALTERNATE] = "alternate", |
| 139 | [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", |
| 140 | [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", |
| 141 | }; |
| 142 | EXPORT_SYMBOL(v4l2_field_names); |
| 143 | |
| 144 | const char *v4l2_type_names[] = { |
Hans Verkuil | 839aa56 | 2015-06-05 11:28:51 -0300 | [diff] [blame] | 145 | [0] = "0", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 146 | [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", |
| 147 | [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", |
| 148 | [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", |
| 149 | [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", |
| 150 | [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", |
| 151 | [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", |
| 152 | [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", |
| 153 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", |
Pawel Osciak | f8f3914 | 2010-07-29 14:44:25 -0300 | [diff] [blame] | 154 | [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane", |
| 155 | [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane", |
Antti Palosaari | 6f3073b | 2013-12-12 13:34:30 -0300 | [diff] [blame] | 156 | [V4L2_BUF_TYPE_SDR_CAPTURE] = "sdr-cap", |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 157 | [V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 158 | }; |
| 159 | EXPORT_SYMBOL(v4l2_type_names); |
| 160 | |
| 161 | static const char *v4l2_memory_names[] = { |
| 162 | [V4L2_MEMORY_MMAP] = "mmap", |
| 163 | [V4L2_MEMORY_USERPTR] = "userptr", |
| 164 | [V4L2_MEMORY_OVERLAY] = "overlay", |
Sumit Semwal | 051c778 | 2012-06-14 10:37:35 -0300 | [diff] [blame] | 165 | [V4L2_MEMORY_DMABUF] = "dmabuf", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 166 | }; |
| 167 | |
Hans Verkuil | d924624 | 2012-10-02 02:47:59 -0300 | [diff] [blame] | 168 | #define prt_names(a, arr) (((unsigned)(a)) < ARRAY_SIZE(arr) ? arr[a] : "unknown") |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 169 | |
| 170 | /* ------------------------------------------------------------------ */ |
| 171 | /* debug help functions */ |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 172 | |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 173 | static void v4l_print_querycap(const void *arg, bool write_only) |
| 174 | { |
| 175 | const struct v4l2_capability *p = arg; |
| 176 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 177 | pr_cont("driver=%.*s, card=%.*s, bus=%.*s, version=0x%08x, " |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 178 | "capabilities=0x%08x, device_caps=0x%08x\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 179 | (int)sizeof(p->driver), p->driver, |
| 180 | (int)sizeof(p->card), p->card, |
| 181 | (int)sizeof(p->bus_info), p->bus_info, |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 182 | p->version, p->capabilities, p->device_caps); |
| 183 | } |
| 184 | |
| 185 | static void v4l_print_enuminput(const void *arg, bool write_only) |
| 186 | { |
| 187 | const struct v4l2_input *p = arg; |
| 188 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 189 | pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, tuner=%u, " |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 190 | "std=0x%08Lx, status=0x%x, capabilities=0x%x\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 191 | p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, |
| 192 | p->tuner, (unsigned long long)p->std, p->status, |
| 193 | p->capabilities); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | static void v4l_print_enumoutput(const void *arg, bool write_only) |
| 197 | { |
| 198 | const struct v4l2_output *p = arg; |
| 199 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 200 | pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, " |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 201 | "modulator=%u, std=0x%08Lx, capabilities=0x%x\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 202 | p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, |
| 203 | p->modulator, (unsigned long long)p->std, p->capabilities); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | static void v4l_print_audio(const void *arg, bool write_only) |
| 207 | { |
| 208 | const struct v4l2_audio *p = arg; |
| 209 | |
| 210 | if (write_only) |
| 211 | pr_cont("index=%u, mode=0x%x\n", p->index, p->mode); |
| 212 | else |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 213 | pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", |
| 214 | p->index, (int)sizeof(p->name), p->name, |
| 215 | p->capability, p->mode); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | static void v4l_print_audioout(const void *arg, bool write_only) |
| 219 | { |
| 220 | const struct v4l2_audioout *p = arg; |
| 221 | |
| 222 | if (write_only) |
| 223 | pr_cont("index=%u\n", p->index); |
| 224 | else |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 225 | pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", |
| 226 | p->index, (int)sizeof(p->name), p->name, |
| 227 | p->capability, p->mode); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 228 | } |
| 229 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 230 | static void v4l_print_fmtdesc(const void *arg, bool write_only) |
| 231 | { |
| 232 | const struct v4l2_fmtdesc *p = arg; |
| 233 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 234 | pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%c%c%c%c, description='%.*s'\n", |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 235 | p->index, prt_names(p->type, v4l2_type_names), |
| 236 | p->flags, (p->pixelformat & 0xff), |
| 237 | (p->pixelformat >> 8) & 0xff, |
| 238 | (p->pixelformat >> 16) & 0xff, |
| 239 | (p->pixelformat >> 24) & 0xff, |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 240 | (int)sizeof(p->description), p->description); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | static void v4l_print_format(const void *arg, bool write_only) |
| 244 | { |
| 245 | const struct v4l2_format *p = arg; |
| 246 | const struct v4l2_pix_format *pix; |
| 247 | const struct v4l2_pix_format_mplane *mp; |
| 248 | const struct v4l2_vbi_format *vbi; |
| 249 | const struct v4l2_sliced_vbi_format *sliced; |
| 250 | const struct v4l2_window *win; |
Antti Palosaari | 87185c9 | 2014-03-10 10:43:24 -0300 | [diff] [blame] | 251 | const struct v4l2_sdr_format *sdr; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 252 | unsigned i; |
| 253 | |
| 254 | pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); |
| 255 | switch (p->type) { |
| 256 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
| 257 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
| 258 | pix = &p->fmt.pix; |
| 259 | pr_cont(", width=%u, height=%u, " |
| 260 | "pixelformat=%c%c%c%c, field=%s, " |
Laurent Pinchart | c96fd46 | 2014-05-27 10:12:43 -0300 | [diff] [blame] | 261 | "bytesperline=%u, sizeimage=%u, colorspace=%d, " |
Hans Verkuil | 74fdcb2 | 2015-04-28 08:49:09 -0300 | [diff] [blame] | 262 | "flags=0x%x, ycbcr_enc=%u, quantization=%u, " |
| 263 | "xfer_func=%u\n", |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 264 | pix->width, pix->height, |
| 265 | (pix->pixelformat & 0xff), |
| 266 | (pix->pixelformat >> 8) & 0xff, |
| 267 | (pix->pixelformat >> 16) & 0xff, |
| 268 | (pix->pixelformat >> 24) & 0xff, |
| 269 | prt_names(pix->field, v4l2_field_names), |
| 270 | pix->bytesperline, pix->sizeimage, |
Hans Verkuil | 736d96b | 2014-11-17 09:12:41 -0300 | [diff] [blame] | 271 | pix->colorspace, pix->flags, pix->ycbcr_enc, |
Hans Verkuil | 74fdcb2 | 2015-04-28 08:49:09 -0300 | [diff] [blame] | 272 | pix->quantization, pix->xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 273 | break; |
| 274 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
| 275 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
| 276 | mp = &p->fmt.pix_mp; |
| 277 | pr_cont(", width=%u, height=%u, " |
| 278 | "format=%c%c%c%c, field=%s, " |
Hans Verkuil | 1e8faa5 | 2015-03-08 04:30:47 -0300 | [diff] [blame] | 279 | "colorspace=%d, num_planes=%u, flags=0x%x, " |
Hans Verkuil | 74fdcb2 | 2015-04-28 08:49:09 -0300 | [diff] [blame] | 280 | "ycbcr_enc=%u, quantization=%u, xfer_func=%u\n", |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 281 | mp->width, mp->height, |
| 282 | (mp->pixelformat & 0xff), |
| 283 | (mp->pixelformat >> 8) & 0xff, |
| 284 | (mp->pixelformat >> 16) & 0xff, |
| 285 | (mp->pixelformat >> 24) & 0xff, |
| 286 | prt_names(mp->field, v4l2_field_names), |
Hans Verkuil | 736d96b | 2014-11-17 09:12:41 -0300 | [diff] [blame] | 287 | mp->colorspace, mp->num_planes, mp->flags, |
Hans Verkuil | 74fdcb2 | 2015-04-28 08:49:09 -0300 | [diff] [blame] | 288 | mp->ycbcr_enc, mp->quantization, mp->xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 289 | for (i = 0; i < mp->num_planes; i++) |
| 290 | printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, |
| 291 | mp->plane_fmt[i].bytesperline, |
| 292 | mp->plane_fmt[i].sizeimage); |
| 293 | break; |
| 294 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 295 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
| 296 | win = &p->fmt.win; |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 297 | /* Note: we can't print the clip list here since the clips |
| 298 | * pointer is a userspace pointer, not a kernelspace |
| 299 | * pointer. */ |
| 300 | pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, chromakey=0x%08x, clipcount=%u, clips=%p, bitmap=%p, global_alpha=0x%02x\n", |
| 301 | win->w.width, win->w.height, win->w.left, win->w.top, |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 302 | prt_names(win->field, v4l2_field_names), |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 303 | win->chromakey, win->clipcount, win->clips, |
| 304 | win->bitmap, win->global_alpha); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 305 | break; |
| 306 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 307 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
| 308 | vbi = &p->fmt.vbi; |
| 309 | pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, " |
| 310 | "sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n", |
| 311 | vbi->sampling_rate, vbi->offset, |
| 312 | vbi->samples_per_line, |
| 313 | (vbi->sample_format & 0xff), |
| 314 | (vbi->sample_format >> 8) & 0xff, |
| 315 | (vbi->sample_format >> 16) & 0xff, |
| 316 | (vbi->sample_format >> 24) & 0xff, |
| 317 | vbi->start[0], vbi->start[1], |
| 318 | vbi->count[0], vbi->count[1]); |
| 319 | break; |
| 320 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 321 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
| 322 | sliced = &p->fmt.sliced; |
| 323 | pr_cont(", service_set=0x%08x, io_size=%d\n", |
| 324 | sliced->service_set, sliced->io_size); |
| 325 | for (i = 0; i < 24; i++) |
| 326 | printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, |
| 327 | sliced->service_lines[0][i], |
| 328 | sliced->service_lines[1][i]); |
| 329 | break; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 330 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 331 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 332 | sdr = &p->fmt.sdr; |
| 333 | pr_cont(", pixelformat=%c%c%c%c\n", |
| 334 | (sdr->pixelformat >> 0) & 0xff, |
| 335 | (sdr->pixelformat >> 8) & 0xff, |
| 336 | (sdr->pixelformat >> 16) & 0xff, |
| 337 | (sdr->pixelformat >> 24) & 0xff); |
| 338 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 339 | } |
| 340 | } |
| 341 | |
| 342 | static void v4l_print_framebuffer(const void *arg, bool write_only) |
| 343 | { |
| 344 | const struct v4l2_framebuffer *p = arg; |
| 345 | |
| 346 | pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, " |
| 347 | "height=%u, pixelformat=%c%c%c%c, " |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 348 | "bytesperline=%u, sizeimage=%u, colorspace=%d\n", |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 349 | p->capability, p->flags, p->base, |
| 350 | p->fmt.width, p->fmt.height, |
| 351 | (p->fmt.pixelformat & 0xff), |
| 352 | (p->fmt.pixelformat >> 8) & 0xff, |
| 353 | (p->fmt.pixelformat >> 16) & 0xff, |
| 354 | (p->fmt.pixelformat >> 24) & 0xff, |
| 355 | p->fmt.bytesperline, p->fmt.sizeimage, |
| 356 | p->fmt.colorspace); |
| 357 | } |
| 358 | |
Hans Verkuil | e325b24 | 2012-06-09 12:50:15 -0300 | [diff] [blame] | 359 | static void v4l_print_buftype(const void *arg, bool write_only) |
| 360 | { |
| 361 | pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names)); |
| 362 | } |
| 363 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 364 | static void v4l_print_modulator(const void *arg, bool write_only) |
| 365 | { |
| 366 | const struct v4l2_modulator *p = arg; |
| 367 | |
| 368 | if (write_only) |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 369 | pr_cont("index=%u, txsubchans=0x%x\n", p->index, p->txsubchans); |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 370 | else |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 371 | pr_cont("index=%u, name=%.*s, capability=0x%x, " |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 372 | "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 373 | p->index, (int)sizeof(p->name), p->name, p->capability, |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 374 | p->rangelow, p->rangehigh, p->txsubchans); |
| 375 | } |
| 376 | |
| 377 | static void v4l_print_tuner(const void *arg, bool write_only) |
| 378 | { |
| 379 | const struct v4l2_tuner *p = arg; |
| 380 | |
| 381 | if (write_only) |
| 382 | pr_cont("index=%u, audmode=%u\n", p->index, p->audmode); |
| 383 | else |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 384 | pr_cont("index=%u, name=%.*s, type=%u, capability=0x%x, " |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 385 | "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, " |
| 386 | "rxsubchans=0x%x, audmode=%u\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 387 | p->index, (int)sizeof(p->name), p->name, p->type, |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 388 | p->capability, p->rangelow, |
| 389 | p->rangehigh, p->signal, p->afc, |
| 390 | p->rxsubchans, p->audmode); |
| 391 | } |
| 392 | |
| 393 | static void v4l_print_frequency(const void *arg, bool write_only) |
| 394 | { |
| 395 | const struct v4l2_frequency *p = arg; |
| 396 | |
| 397 | pr_cont("tuner=%u, type=%u, frequency=%u\n", |
| 398 | p->tuner, p->type, p->frequency); |
| 399 | } |
| 400 | |
| 401 | static void v4l_print_standard(const void *arg, bool write_only) |
| 402 | { |
| 403 | const struct v4l2_standard *p = arg; |
| 404 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 405 | pr_cont("index=%u, id=0x%Lx, name=%.*s, fps=%u/%u, " |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 406 | "framelines=%u\n", p->index, |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 407 | (unsigned long long)p->id, (int)sizeof(p->name), p->name, |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 408 | p->frameperiod.numerator, |
| 409 | p->frameperiod.denominator, |
| 410 | p->framelines); |
| 411 | } |
| 412 | |
| 413 | static void v4l_print_std(const void *arg, bool write_only) |
| 414 | { |
| 415 | pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg); |
| 416 | } |
| 417 | |
| 418 | static void v4l_print_hw_freq_seek(const void *arg, bool write_only) |
| 419 | { |
| 420 | const struct v4l2_hw_freq_seek *p = arg; |
| 421 | |
Hans Verkuil | 5e788317 | 2012-08-01 16:18:41 -0300 | [diff] [blame] | 422 | pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, " |
| 423 | "rangelow=%u, rangehigh=%u\n", |
| 424 | p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing, |
| 425 | p->rangelow, p->rangehigh); |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 426 | } |
| 427 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 428 | static void v4l_print_requestbuffers(const void *arg, bool write_only) |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 429 | { |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 430 | const struct v4l2_requestbuffers *p = arg; |
| 431 | |
| 432 | pr_cont("count=%d, type=%s, memory=%s\n", |
| 433 | p->count, |
| 434 | prt_names(p->type, v4l2_type_names), |
| 435 | prt_names(p->memory, v4l2_memory_names)); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 436 | } |
| 437 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 438 | static void v4l_print_buffer(const void *arg, bool write_only) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 439 | { |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 440 | const struct v4l2_buffer *p = arg; |
| 441 | const struct v4l2_timecode *tc = &p->timecode; |
| 442 | const struct v4l2_plane *plane; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 443 | int i; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 444 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 445 | pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, " |
| 446 | "flags=0x%08x, field=%s, sequence=%d, memory=%s", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 447 | p->timestamp.tv_sec / 3600, |
| 448 | (int)(p->timestamp.tv_sec / 60) % 60, |
| 449 | (int)(p->timestamp.tv_sec % 60), |
Alexander Beregalov | b045979 | 2008-09-03 16:47:38 -0300 | [diff] [blame] | 450 | (long)p->timestamp.tv_usec, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 451 | p->index, |
| 452 | prt_names(p->type, v4l2_type_names), |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 453 | p->flags, prt_names(p->field, v4l2_field_names), |
| 454 | p->sequence, prt_names(p->memory, v4l2_memory_names)); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 455 | |
| 456 | if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 457 | pr_cont("\n"); |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 458 | for (i = 0; i < p->length; ++i) { |
| 459 | plane = &p->m.planes[i]; |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 460 | printk(KERN_DEBUG |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 461 | "plane %d: bytesused=%d, data_offset=0x%08x, " |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 462 | "offset/userptr=0x%lx, length=%d\n", |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 463 | i, plane->bytesused, plane->data_offset, |
| 464 | plane->m.userptr, plane->length); |
| 465 | } |
| 466 | } else { |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 467 | pr_cont(", bytesused=%d, offset/userptr=0x%lx, length=%d\n", |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 468 | p->bytesused, p->m.userptr, p->length); |
| 469 | } |
| 470 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 471 | printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, " |
| 472 | "flags=0x%08x, frames=%d, userbits=0x%08x\n", |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 473 | tc->hours, tc->minutes, tc->seconds, |
| 474 | tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); |
| 475 | } |
| 476 | |
Tomasz Stanislawski | b799d09 | 2012-06-14 11:32:23 -0300 | [diff] [blame] | 477 | static void v4l_print_exportbuffer(const void *arg, bool write_only) |
| 478 | { |
| 479 | const struct v4l2_exportbuffer *p = arg; |
| 480 | |
| 481 | pr_cont("fd=%d, type=%s, index=%u, plane=%u, flags=0x%08x\n", |
| 482 | p->fd, prt_names(p->type, v4l2_type_names), |
| 483 | p->index, p->plane, p->flags); |
| 484 | } |
| 485 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 486 | static void v4l_print_create_buffers(const void *arg, bool write_only) |
| 487 | { |
| 488 | const struct v4l2_create_buffers *p = arg; |
| 489 | |
| 490 | pr_cont("index=%d, count=%d, memory=%s, ", |
| 491 | p->index, p->count, |
| 492 | prt_names(p->memory, v4l2_memory_names)); |
| 493 | v4l_print_format(&p->format, write_only); |
| 494 | } |
| 495 | |
| 496 | static void v4l_print_streamparm(const void *arg, bool write_only) |
| 497 | { |
| 498 | const struct v4l2_streamparm *p = arg; |
| 499 | |
| 500 | pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); |
| 501 | |
| 502 | if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || |
| 503 | p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
| 504 | const struct v4l2_captureparm *c = &p->parm.capture; |
| 505 | |
| 506 | pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, " |
| 507 | "extendedmode=%d, readbuffers=%d\n", |
| 508 | c->capability, c->capturemode, |
| 509 | c->timeperframe.numerator, c->timeperframe.denominator, |
| 510 | c->extendedmode, c->readbuffers); |
| 511 | } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || |
| 512 | p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
| 513 | const struct v4l2_outputparm *c = &p->parm.output; |
| 514 | |
| 515 | pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, " |
| 516 | "extendedmode=%d, writebuffers=%d\n", |
| 517 | c->capability, c->outputmode, |
| 518 | c->timeperframe.numerator, c->timeperframe.denominator, |
| 519 | c->extendedmode, c->writebuffers); |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 520 | } else { |
| 521 | pr_cont("\n"); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 525 | static void v4l_print_queryctrl(const void *arg, bool write_only) |
| 526 | { |
| 527 | const struct v4l2_queryctrl *p = arg; |
| 528 | |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 529 | pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%d/%d, " |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 530 | "step=%d, default=%d, flags=0x%08x\n", |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 531 | p->id, p->type, (int)sizeof(p->name), p->name, |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 532 | p->minimum, p->maximum, |
| 533 | p->step, p->default_value, p->flags); |
| 534 | } |
| 535 | |
Hans Verkuil | e6bee36 | 2014-06-10 04:22:06 -0300 | [diff] [blame] | 536 | static void v4l_print_query_ext_ctrl(const void *arg, bool write_only) |
| 537 | { |
| 538 | const struct v4l2_query_ext_ctrl *p = arg; |
| 539 | |
| 540 | pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%lld/%lld, " |
| 541 | "step=%lld, default=%lld, flags=0x%08x, elem_size=%u, elems=%u, " |
Hans Verkuil | 0176077 | 2014-04-27 03:22:17 -0300 | [diff] [blame] | 542 | "nr_of_dims=%u, dims=%u,%u,%u,%u\n", |
Hans Verkuil | e6bee36 | 2014-06-10 04:22:06 -0300 | [diff] [blame] | 543 | p->id, p->type, (int)sizeof(p->name), p->name, |
| 544 | p->minimum, p->maximum, |
| 545 | p->step, p->default_value, p->flags, |
| 546 | p->elem_size, p->elems, p->nr_of_dims, |
Hans Verkuil | 0176077 | 2014-04-27 03:22:17 -0300 | [diff] [blame] | 547 | p->dims[0], p->dims[1], p->dims[2], p->dims[3]); |
Hans Verkuil | e6bee36 | 2014-06-10 04:22:06 -0300 | [diff] [blame] | 548 | } |
| 549 | |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 550 | static void v4l_print_querymenu(const void *arg, bool write_only) |
| 551 | { |
| 552 | const struct v4l2_querymenu *p = arg; |
| 553 | |
| 554 | pr_cont("id=0x%x, index=%d\n", p->id, p->index); |
| 555 | } |
| 556 | |
| 557 | static void v4l_print_control(const void *arg, bool write_only) |
| 558 | { |
| 559 | const struct v4l2_control *p = arg; |
| 560 | |
| 561 | pr_cont("id=0x%x, value=%d\n", p->id, p->value); |
| 562 | } |
| 563 | |
| 564 | static void v4l_print_ext_controls(const void *arg, bool write_only) |
| 565 | { |
| 566 | const struct v4l2_ext_controls *p = arg; |
| 567 | int i; |
| 568 | |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 569 | pr_cont("which=0x%x, count=%d, error_idx=%d", |
| 570 | p->which, p->count, p->error_idx); |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 571 | for (i = 0; i < p->count; i++) { |
Hans Verkuil | 017ab36 | 2014-09-21 09:09:58 -0300 | [diff] [blame] | 572 | if (!p->controls[i].size) |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 573 | pr_cont(", id/val=0x%x/0x%x", |
| 574 | p->controls[i].id, p->controls[i].value); |
| 575 | else |
| 576 | pr_cont(", id/size=0x%x/%u", |
| 577 | p->controls[i].id, p->controls[i].size); |
| 578 | } |
| 579 | pr_cont("\n"); |
| 580 | } |
| 581 | |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 582 | static void v4l_print_cropcap(const void *arg, bool write_only) |
| 583 | { |
| 584 | const struct v4l2_cropcap *p = arg; |
| 585 | |
| 586 | pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, " |
Hans Verkuil | a112fba | 2014-05-09 09:26:04 -0300 | [diff] [blame] | 587 | "defrect wxh=%dx%d, x,y=%d,%d, " |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 588 | "pixelaspect %d/%d\n", |
| 589 | prt_names(p->type, v4l2_type_names), |
| 590 | p->bounds.width, p->bounds.height, |
| 591 | p->bounds.left, p->bounds.top, |
| 592 | p->defrect.width, p->defrect.height, |
| 593 | p->defrect.left, p->defrect.top, |
| 594 | p->pixelaspect.numerator, p->pixelaspect.denominator); |
| 595 | } |
| 596 | |
| 597 | static void v4l_print_crop(const void *arg, bool write_only) |
| 598 | { |
| 599 | const struct v4l2_crop *p = arg; |
| 600 | |
| 601 | pr_cont("type=%s, wxh=%dx%d, x,y=%d,%d\n", |
| 602 | prt_names(p->type, v4l2_type_names), |
| 603 | p->c.width, p->c.height, |
| 604 | p->c.left, p->c.top); |
| 605 | } |
| 606 | |
| 607 | static void v4l_print_selection(const void *arg, bool write_only) |
| 608 | { |
| 609 | const struct v4l2_selection *p = arg; |
| 610 | |
| 611 | pr_cont("type=%s, target=%d, flags=0x%x, wxh=%dx%d, x,y=%d,%d\n", |
| 612 | prt_names(p->type, v4l2_type_names), |
| 613 | p->target, p->flags, |
| 614 | p->r.width, p->r.height, p->r.left, p->r.top); |
| 615 | } |
| 616 | |
Hans Verkuil | d806f2d | 2012-06-09 10:02:49 -0300 | [diff] [blame] | 617 | static void v4l_print_jpegcompression(const void *arg, bool write_only) |
| 618 | { |
| 619 | const struct v4l2_jpegcompression *p = arg; |
| 620 | |
| 621 | pr_cont("quality=%d, APPn=%d, APP_len=%d, " |
| 622 | "COM_len=%d, jpeg_markers=0x%x\n", |
| 623 | p->quality, p->APPn, p->APP_len, |
| 624 | p->COM_len, p->jpeg_markers); |
| 625 | } |
| 626 | |
| 627 | static void v4l_print_enc_idx(const void *arg, bool write_only) |
| 628 | { |
| 629 | const struct v4l2_enc_idx *p = arg; |
| 630 | |
| 631 | pr_cont("entries=%d, entries_cap=%d\n", |
| 632 | p->entries, p->entries_cap); |
| 633 | } |
| 634 | |
| 635 | static void v4l_print_encoder_cmd(const void *arg, bool write_only) |
| 636 | { |
| 637 | const struct v4l2_encoder_cmd *p = arg; |
| 638 | |
| 639 | pr_cont("cmd=%d, flags=0x%x\n", |
| 640 | p->cmd, p->flags); |
| 641 | } |
| 642 | |
| 643 | static void v4l_print_decoder_cmd(const void *arg, bool write_only) |
| 644 | { |
| 645 | const struct v4l2_decoder_cmd *p = arg; |
| 646 | |
| 647 | pr_cont("cmd=%d, flags=0x%x\n", p->cmd, p->flags); |
| 648 | |
| 649 | if (p->cmd == V4L2_DEC_CMD_START) |
| 650 | pr_info("speed=%d, format=%u\n", |
| 651 | p->start.speed, p->start.format); |
| 652 | else if (p->cmd == V4L2_DEC_CMD_STOP) |
| 653 | pr_info("pts=%llu\n", p->stop.pts); |
| 654 | } |
| 655 | |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 656 | static void v4l_print_dbg_chip_info(const void *arg, bool write_only) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 657 | { |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 658 | const struct v4l2_dbg_chip_info *p = arg; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 659 | |
| 660 | pr_cont("type=%u, ", p->match.type); |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 661 | if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 662 | pr_cont("name=%.*s, ", |
| 663 | (int)sizeof(p->match.name), p->match.name); |
| 664 | else |
| 665 | pr_cont("addr=%u, ", p->match.addr); |
| 666 | pr_cont("name=%.*s\n", (int)sizeof(p->name), p->name); |
| 667 | } |
| 668 | |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 669 | static void v4l_print_dbg_register(const void *arg, bool write_only) |
| 670 | { |
| 671 | const struct v4l2_dbg_register *p = arg; |
| 672 | |
| 673 | pr_cont("type=%u, ", p->match.type); |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 674 | if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) |
Hans Verkuil | 27d5a87 | 2013-03-18 11:02:22 -0300 | [diff] [blame] | 675 | pr_cont("name=%.*s, ", |
| 676 | (int)sizeof(p->match.name), p->match.name); |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 677 | else |
| 678 | pr_cont("addr=%u, ", p->match.addr); |
| 679 | pr_cont("reg=0x%llx, val=0x%llx\n", |
| 680 | p->reg, p->val); |
| 681 | } |
| 682 | |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 683 | static void v4l_print_dv_timings(const void *arg, bool write_only) |
Hans Verkuil | 5d7758e | 2012-05-15 08:06:44 -0300 | [diff] [blame] | 684 | { |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 685 | const struct v4l2_dv_timings *p = arg; |
| 686 | |
Hans Verkuil | 5d7758e | 2012-05-15 08:06:44 -0300 | [diff] [blame] | 687 | switch (p->type) { |
| 688 | case V4L2_DV_BT_656_1120: |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 689 | pr_cont("type=bt-656/1120, interlaced=%u, " |
| 690 | "pixelclock=%llu, " |
| 691 | "width=%u, height=%u, polarities=0x%x, " |
| 692 | "hfrontporch=%u, hsync=%u, " |
| 693 | "hbackporch=%u, vfrontporch=%u, " |
| 694 | "vsync=%u, vbackporch=%u, " |
| 695 | "il_vfrontporch=%u, il_vsync=%u, " |
| 696 | "il_vbackporch=%u, standards=0x%x, flags=0x%x\n", |
Hans Verkuil | 5d7758e | 2012-05-15 08:06:44 -0300 | [diff] [blame] | 697 | p->bt.interlaced, p->bt.pixelclock, |
| 698 | p->bt.width, p->bt.height, |
| 699 | p->bt.polarities, p->bt.hfrontporch, |
| 700 | p->bt.hsync, p->bt.hbackporch, |
| 701 | p->bt.vfrontporch, p->bt.vsync, |
| 702 | p->bt.vbackporch, p->bt.il_vfrontporch, |
| 703 | p->bt.il_vsync, p->bt.il_vbackporch, |
| 704 | p->bt.standards, p->bt.flags); |
| 705 | break; |
| 706 | default: |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 707 | pr_cont("type=%d\n", p->type); |
Hans Verkuil | 5d7758e | 2012-05-15 08:06:44 -0300 | [diff] [blame] | 708 | break; |
| 709 | } |
| 710 | } |
| 711 | |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 712 | static void v4l_print_enum_dv_timings(const void *arg, bool write_only) |
| 713 | { |
| 714 | const struct v4l2_enum_dv_timings *p = arg; |
| 715 | |
| 716 | pr_cont("index=%u, ", p->index); |
| 717 | v4l_print_dv_timings(&p->timings, write_only); |
| 718 | } |
| 719 | |
| 720 | static void v4l_print_dv_timings_cap(const void *arg, bool write_only) |
| 721 | { |
| 722 | const struct v4l2_dv_timings_cap *p = arg; |
| 723 | |
| 724 | switch (p->type) { |
| 725 | case V4L2_DV_BT_656_1120: |
| 726 | pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, " |
| 727 | "pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n", |
| 728 | p->bt.min_width, p->bt.max_width, |
| 729 | p->bt.min_height, p->bt.max_height, |
| 730 | p->bt.min_pixelclock, p->bt.max_pixelclock, |
| 731 | p->bt.standards, p->bt.capabilities); |
| 732 | break; |
| 733 | default: |
| 734 | pr_cont("type=%u\n", p->type); |
| 735 | break; |
| 736 | } |
| 737 | } |
| 738 | |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 739 | static void v4l_print_frmsizeenum(const void *arg, bool write_only) |
| 740 | { |
| 741 | const struct v4l2_frmsizeenum *p = arg; |
| 742 | |
| 743 | pr_cont("index=%u, pixelformat=%c%c%c%c, type=%u", |
| 744 | p->index, |
| 745 | (p->pixel_format & 0xff), |
| 746 | (p->pixel_format >> 8) & 0xff, |
| 747 | (p->pixel_format >> 16) & 0xff, |
| 748 | (p->pixel_format >> 24) & 0xff, |
| 749 | p->type); |
| 750 | switch (p->type) { |
| 751 | case V4L2_FRMSIZE_TYPE_DISCRETE: |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 752 | pr_cont(", wxh=%ux%u\n", |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 753 | p->discrete.width, p->discrete.height); |
| 754 | break; |
| 755 | case V4L2_FRMSIZE_TYPE_STEPWISE: |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 756 | pr_cont(", min=%ux%u, max=%ux%u, step=%ux%u\n", |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 757 | p->stepwise.min_width, p->stepwise.min_height, |
| 758 | p->stepwise.step_width, p->stepwise.step_height, |
| 759 | p->stepwise.max_width, p->stepwise.max_height); |
| 760 | break; |
| 761 | case V4L2_FRMSIZE_TYPE_CONTINUOUS: |
| 762 | /* fall through */ |
| 763 | default: |
| 764 | pr_cont("\n"); |
| 765 | break; |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | static void v4l_print_frmivalenum(const void *arg, bool write_only) |
| 770 | { |
| 771 | const struct v4l2_frmivalenum *p = arg; |
| 772 | |
| 773 | pr_cont("index=%u, pixelformat=%c%c%c%c, wxh=%ux%u, type=%u", |
| 774 | p->index, |
| 775 | (p->pixel_format & 0xff), |
| 776 | (p->pixel_format >> 8) & 0xff, |
| 777 | (p->pixel_format >> 16) & 0xff, |
| 778 | (p->pixel_format >> 24) & 0xff, |
| 779 | p->width, p->height, p->type); |
| 780 | switch (p->type) { |
| 781 | case V4L2_FRMIVAL_TYPE_DISCRETE: |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 782 | pr_cont(", fps=%d/%d\n", |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 783 | p->discrete.numerator, |
| 784 | p->discrete.denominator); |
| 785 | break; |
| 786 | case V4L2_FRMIVAL_TYPE_STEPWISE: |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 787 | pr_cont(", min=%d/%d, max=%d/%d, step=%d/%d\n", |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 788 | p->stepwise.min.numerator, |
| 789 | p->stepwise.min.denominator, |
| 790 | p->stepwise.max.numerator, |
| 791 | p->stepwise.max.denominator, |
| 792 | p->stepwise.step.numerator, |
| 793 | p->stepwise.step.denominator); |
| 794 | break; |
| 795 | case V4L2_FRMIVAL_TYPE_CONTINUOUS: |
| 796 | /* fall through */ |
| 797 | default: |
| 798 | pr_cont("\n"); |
| 799 | break; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | static void v4l_print_event(const void *arg, bool write_only) |
| 804 | { |
| 805 | const struct v4l2_event *p = arg; |
| 806 | const struct v4l2_event_ctrl *c; |
| 807 | |
| 808 | pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, " |
| 809 | "timestamp=%lu.%9.9lu\n", |
| 810 | p->type, p->pending, p->sequence, p->id, |
| 811 | p->timestamp.tv_sec, p->timestamp.tv_nsec); |
| 812 | switch (p->type) { |
| 813 | case V4L2_EVENT_VSYNC: |
| 814 | printk(KERN_DEBUG "field=%s\n", |
| 815 | prt_names(p->u.vsync.field, v4l2_field_names)); |
| 816 | break; |
| 817 | case V4L2_EVENT_CTRL: |
| 818 | c = &p->u.ctrl; |
| 819 | printk(KERN_DEBUG "changes=0x%x, type=%u, ", |
| 820 | c->changes, c->type); |
| 821 | if (c->type == V4L2_CTRL_TYPE_INTEGER64) |
| 822 | pr_cont("value64=%lld, ", c->value64); |
| 823 | else |
| 824 | pr_cont("value=%d, ", c->value); |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 825 | pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, " |
| 826 | "default_value=%d\n", |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 827 | c->flags, c->minimum, c->maximum, |
| 828 | c->step, c->default_value); |
| 829 | break; |
| 830 | case V4L2_EVENT_FRAME_SYNC: |
| 831 | pr_cont("frame_sequence=%u\n", |
| 832 | p->u.frame_sync.frame_sequence); |
| 833 | break; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | static void v4l_print_event_subscription(const void *arg, bool write_only) |
| 838 | { |
| 839 | const struct v4l2_event_subscription *p = arg; |
| 840 | |
| 841 | pr_cont("type=0x%x, id=0x%x, flags=0x%x\n", |
| 842 | p->type, p->id, p->flags); |
| 843 | } |
| 844 | |
| 845 | static void v4l_print_sliced_vbi_cap(const void *arg, bool write_only) |
| 846 | { |
| 847 | const struct v4l2_sliced_vbi_cap *p = arg; |
| 848 | int i; |
| 849 | |
| 850 | pr_cont("type=%s, service_set=0x%08x\n", |
| 851 | prt_names(p->type, v4l2_type_names), p->service_set); |
| 852 | for (i = 0; i < 24; i++) |
| 853 | printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, |
| 854 | p->service_lines[0][i], |
| 855 | p->service_lines[1][i]); |
| 856 | } |
| 857 | |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 858 | static void v4l_print_freq_band(const void *arg, bool write_only) |
| 859 | { |
| 860 | const struct v4l2_frequency_band *p = arg; |
| 861 | |
| 862 | pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, " |
Hans Verkuil | 560dde2 | 2013-06-03 04:35:22 -0300 | [diff] [blame] | 863 | "rangelow=%u, rangehigh=%u, modulation=0x%x\n", |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 864 | p->tuner, p->type, p->index, |
| 865 | p->capability, p->rangelow, |
| 866 | p->rangehigh, p->modulation); |
| 867 | } |
| 868 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 869 | static void v4l_print_edid(const void *arg, bool write_only) |
| 870 | { |
| 871 | const struct v4l2_edid *p = arg; |
| 872 | |
| 873 | pr_cont("pad=%u, start_block=%u, blocks=%u\n", |
| 874 | p->pad, p->start_block, p->blocks); |
| 875 | } |
| 876 | |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 877 | static void v4l_print_u32(const void *arg, bool write_only) |
| 878 | { |
| 879 | pr_cont("value=%u\n", *(const u32 *)arg); |
| 880 | } |
| 881 | |
| 882 | static void v4l_print_newline(const void *arg, bool write_only) |
| 883 | { |
| 884 | pr_cont("\n"); |
| 885 | } |
| 886 | |
Hans Verkuil | f18d8e0 | 2012-06-22 06:35:01 -0300 | [diff] [blame] | 887 | static void v4l_print_default(const void *arg, bool write_only) |
| 888 | { |
| 889 | pr_cont("driver-specific ioctl\n"); |
| 890 | } |
| 891 | |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 892 | static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 893 | { |
| 894 | __u32 i; |
| 895 | |
| 896 | /* zero the reserved fields */ |
| 897 | c->reserved[0] = c->reserved[1] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 898 | for (i = 0; i < c->count; i++) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 899 | c->controls[i].reserved2[0] = 0; |
Hans Verkuil | 6b5a949 | 2009-08-11 18:47:18 -0300 | [diff] [blame] | 900 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 901 | /* V4L2_CID_PRIVATE_BASE cannot be used as control class |
| 902 | when using extended controls. |
| 903 | Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL |
| 904 | is it allowed for backwards compatibility. |
| 905 | */ |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 906 | if (!allow_priv && c->which == V4L2_CID_PRIVATE_BASE) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 907 | return 0; |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 908 | if (!c->which) |
Hans Verkuil | 9b239b2 | 2015-03-14 13:28:25 -0300 | [diff] [blame] | 909 | return 1; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 910 | /* Check that all controls are from the same control class. */ |
| 911 | for (i = 0; i < c->count; i++) { |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 912 | if (V4L2_CTRL_ID2WHICH(c->controls[i].id) != c->which) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 913 | c->error_idx = i; |
| 914 | return 0; |
| 915 | } |
| 916 | } |
| 917 | return 1; |
| 918 | } |
| 919 | |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 920 | static int check_fmt(struct file *file, enum v4l2_buf_type type) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 921 | { |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 922 | struct video_device *vfd = video_devdata(file); |
| 923 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
| 924 | bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; |
| 925 | bool is_vbi = vfd->vfl_type == VFL_TYPE_VBI; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 926 | bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 927 | bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 928 | bool is_rx = vfd->vfl_dir != VFL_DIR_TX; |
| 929 | bool is_tx = vfd->vfl_dir != VFL_DIR_RX; |
| 930 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 931 | if (ops == NULL) |
| 932 | return -EINVAL; |
| 933 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 934 | switch (type) { |
| 935 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 936 | if ((is_vid || is_tch) && is_rx && |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 937 | (ops->vidioc_g_fmt_vid_cap || ops->vidioc_g_fmt_vid_cap_mplane)) |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 938 | return 0; |
| 939 | break; |
| 940 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 941 | if (is_vid && is_rx && ops->vidioc_g_fmt_vid_cap_mplane) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 942 | return 0; |
| 943 | break; |
| 944 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 945 | if (is_vid && is_rx && ops->vidioc_g_fmt_vid_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 946 | return 0; |
| 947 | break; |
| 948 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 949 | if (is_vid && is_tx && |
| 950 | (ops->vidioc_g_fmt_vid_out || ops->vidioc_g_fmt_vid_out_mplane)) |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 951 | return 0; |
| 952 | break; |
| 953 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 954 | if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_mplane) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 955 | return 0; |
| 956 | break; |
| 957 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 958 | if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_overlay) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 959 | return 0; |
| 960 | break; |
| 961 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 962 | if (is_vbi && is_rx && ops->vidioc_g_fmt_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 963 | return 0; |
| 964 | break; |
| 965 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 966 | if (is_vbi && is_tx && ops->vidioc_g_fmt_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 967 | return 0; |
| 968 | break; |
| 969 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 970 | if (is_vbi && is_rx && ops->vidioc_g_fmt_sliced_vbi_cap) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 971 | return 0; |
| 972 | break; |
| 973 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 974 | if (is_vbi && is_tx && ops->vidioc_g_fmt_sliced_vbi_out) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 975 | return 0; |
| 976 | break; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 977 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
| 978 | if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap) |
| 979 | return 0; |
| 980 | break; |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 981 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
| 982 | if (is_sdr && is_tx && ops->vidioc_g_fmt_sdr_out) |
| 983 | return 0; |
| 984 | break; |
Hans Verkuil | 633c98e | 2012-09-17 05:02:26 -0300 | [diff] [blame] | 985 | default: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 986 | break; |
| 987 | } |
| 988 | return -EINVAL; |
| 989 | } |
| 990 | |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 991 | static void v4l_sanitize_format(struct v4l2_format *fmt) |
| 992 | { |
| 993 | unsigned int offset; |
| 994 | |
| 995 | /* |
| 996 | * The v4l2_pix_format structure has been extended with fields that were |
| 997 | * not previously required to be set to zero by applications. The priv |
| 998 | * field, when set to a magic value, indicates the the extended fields |
| 999 | * are valid. Otherwise they will contain undefined values. To simplify |
| 1000 | * the API towards drivers zero the extended fields and set the priv |
| 1001 | * field to the magic value when the extended pixel format structure |
| 1002 | * isn't used by applications. |
| 1003 | */ |
| 1004 | |
| 1005 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 1006 | fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 1007 | return; |
| 1008 | |
| 1009 | if (fmt->fmt.pix.priv == V4L2_PIX_FMT_PRIV_MAGIC) |
| 1010 | return; |
| 1011 | |
| 1012 | fmt->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1013 | |
| 1014 | offset = offsetof(struct v4l2_pix_format, priv) |
| 1015 | + sizeof(fmt->fmt.pix.priv); |
| 1016 | memset(((void *)&fmt->fmt.pix) + offset, 0, |
| 1017 | sizeof(fmt->fmt.pix) - offset); |
| 1018 | } |
| 1019 | |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1020 | static int v4l_querycap(const struct v4l2_ioctl_ops *ops, |
| 1021 | struct file *file, void *fh, void *arg) |
| 1022 | { |
| 1023 | struct v4l2_capability *cap = (struct v4l2_capability *)arg; |
Hans Verkuil | 7bbe781 | 2016-03-01 11:57:23 -0300 | [diff] [blame] | 1024 | struct video_device *vfd = video_devdata(file); |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1025 | int ret; |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1026 | |
| 1027 | cap->version = LINUX_VERSION_CODE; |
Hans Verkuil | 7bbe781 | 2016-03-01 11:57:23 -0300 | [diff] [blame] | 1028 | cap->device_caps = vfd->device_caps; |
| 1029 | cap->capabilities = vfd->device_caps | V4L2_CAP_DEVICE_CAPS; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1030 | |
| 1031 | ret = ops->vidioc_querycap(file, fh, cap); |
| 1032 | |
| 1033 | cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT; |
Hans Verkuil | 454a4e7 | 2014-12-07 11:59:42 -0300 | [diff] [blame] | 1034 | /* |
| 1035 | * Drivers MUST fill in device_caps, so check for this and |
| 1036 | * warn if it was forgotten. |
| 1037 | */ |
Laura Abbott | 6d7570c | 2015-07-23 19:28:48 -0300 | [diff] [blame] | 1038 | WARN(!(cap->capabilities & V4L2_CAP_DEVICE_CAPS) || |
| 1039 | !cap->device_caps, "Bad caps for driver %s, %x %x", |
| 1040 | cap->driver, cap->capabilities, cap->device_caps); |
Hans Verkuil | 796a2bd | 2014-07-21 04:14:46 -0300 | [diff] [blame] | 1041 | cap->device_caps |= V4L2_CAP_EXT_PIX_FORMAT; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1042 | |
| 1043 | return ret; |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | static int v4l_s_input(const struct v4l2_ioctl_ops *ops, |
| 1047 | struct file *file, void *fh, void *arg) |
| 1048 | { |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1049 | struct video_device *vfd = video_devdata(file); |
| 1050 | int ret; |
| 1051 | |
| 1052 | ret = v4l_enable_media_source(vfd); |
| 1053 | if (ret) |
| 1054 | return ret; |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1055 | return ops->vidioc_s_input(file, fh, *(unsigned int *)arg); |
| 1056 | } |
| 1057 | |
| 1058 | static int v4l_s_output(const struct v4l2_ioctl_ops *ops, |
| 1059 | struct file *file, void *fh, void *arg) |
| 1060 | { |
| 1061 | return ops->vidioc_s_output(file, fh, *(unsigned int *)arg); |
| 1062 | } |
| 1063 | |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1064 | static int v4l_g_priority(const struct v4l2_ioctl_ops *ops, |
| 1065 | struct file *file, void *fh, void *arg) |
| 1066 | { |
| 1067 | struct video_device *vfd; |
| 1068 | u32 *p = arg; |
| 1069 | |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1070 | vfd = video_devdata(file); |
Laurent Pinchart | 59b702e | 2014-10-31 10:01:49 -0300 | [diff] [blame] | 1071 | *p = v4l2_prio_max(vfd->prio); |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1072 | return 0; |
| 1073 | } |
| 1074 | |
| 1075 | static int v4l_s_priority(const struct v4l2_ioctl_ops *ops, |
| 1076 | struct file *file, void *fh, void *arg) |
| 1077 | { |
| 1078 | struct video_device *vfd; |
| 1079 | struct v4l2_fh *vfh; |
| 1080 | u32 *p = arg; |
| 1081 | |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1082 | vfd = video_devdata(file); |
Hans Verkuil | 2438e78 | 2015-02-03 10:46:56 -0300 | [diff] [blame] | 1083 | if (!test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) |
| 1084 | return -ENOTTY; |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1085 | vfh = file->private_data; |
Laurent Pinchart | 59b702e | 2014-10-31 10:01:49 -0300 | [diff] [blame] | 1086 | return v4l2_prio_change(vfd->prio, &vfh->prio, *p); |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 1087 | } |
| 1088 | |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1089 | static int v4l_enuminput(const struct v4l2_ioctl_ops *ops, |
| 1090 | struct file *file, void *fh, void *arg) |
| 1091 | { |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 1092 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1093 | struct v4l2_input *p = arg; |
| 1094 | |
| 1095 | /* |
Hans Verkuil | 02fa628 | 2013-02-15 15:21:06 -0300 | [diff] [blame] | 1096 | * We set the flags for CAP_DV_TIMINGS & |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1097 | * CAP_STD here based on ioctl handler provided by the |
| 1098 | * driver. If the driver doesn't support these |
| 1099 | * for a specific input, it must override these flags. |
| 1100 | */ |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 1101 | if (is_valid_ioctl(vfd, VIDIOC_S_STD)) |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1102 | p->capabilities |= V4L2_IN_CAP_STD; |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1103 | |
| 1104 | return ops->vidioc_enum_input(file, fh, p); |
| 1105 | } |
| 1106 | |
| 1107 | static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops, |
| 1108 | struct file *file, void *fh, void *arg) |
| 1109 | { |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 1110 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1111 | struct v4l2_output *p = arg; |
| 1112 | |
| 1113 | /* |
Hans Verkuil | 02fa628 | 2013-02-15 15:21:06 -0300 | [diff] [blame] | 1114 | * We set the flags for CAP_DV_TIMINGS & |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1115 | * CAP_STD here based on ioctl handler provided by the |
| 1116 | * driver. If the driver doesn't support these |
| 1117 | * for a specific output, it must override these flags. |
| 1118 | */ |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 1119 | if (is_valid_ioctl(vfd, VIDIOC_S_STD)) |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1120 | p->capabilities |= V4L2_OUT_CAP_STD; |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 1121 | |
| 1122 | return ops->vidioc_enum_output(file, fh, p); |
| 1123 | } |
| 1124 | |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1125 | static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) |
| 1126 | { |
| 1127 | const unsigned sz = sizeof(fmt->description); |
| 1128 | const char *descr = NULL; |
| 1129 | u32 flags = 0; |
| 1130 | |
| 1131 | /* |
| 1132 | * We depart from the normal coding style here since the descriptions |
| 1133 | * should be aligned so it is easy to see which descriptions will be |
| 1134 | * longer than 31 characters (the max length for a description). |
| 1135 | * And frankly, this is easier to read anyway. |
| 1136 | * |
| 1137 | * Note that gcc will use O(log N) comparisons to find the right case. |
| 1138 | */ |
| 1139 | switch (fmt->pixelformat) { |
| 1140 | /* Max description length mask: descr = "0123456789012345678901234567890" */ |
| 1141 | case V4L2_PIX_FMT_RGB332: descr = "8-bit RGB 3-3-2"; break; |
| 1142 | case V4L2_PIX_FMT_RGB444: descr = "16-bit A/XRGB 4-4-4-4"; break; |
| 1143 | case V4L2_PIX_FMT_ARGB444: descr = "16-bit ARGB 4-4-4-4"; break; |
| 1144 | case V4L2_PIX_FMT_XRGB444: descr = "16-bit XRGB 4-4-4-4"; break; |
| 1145 | case V4L2_PIX_FMT_RGB555: descr = "16-bit A/XRGB 1-5-5-5"; break; |
| 1146 | case V4L2_PIX_FMT_ARGB555: descr = "16-bit ARGB 1-5-5-5"; break; |
| 1147 | case V4L2_PIX_FMT_XRGB555: descr = "16-bit XRGB 1-5-5-5"; break; |
| 1148 | case V4L2_PIX_FMT_RGB565: descr = "16-bit RGB 5-6-5"; break; |
| 1149 | case V4L2_PIX_FMT_RGB555X: descr = "16-bit A/XRGB 1-5-5-5 BE"; break; |
| 1150 | case V4L2_PIX_FMT_ARGB555X: descr = "16-bit ARGB 1-5-5-5 BE"; break; |
| 1151 | case V4L2_PIX_FMT_XRGB555X: descr = "16-bit XRGB 1-5-5-5 BE"; break; |
| 1152 | case V4L2_PIX_FMT_RGB565X: descr = "16-bit RGB 5-6-5 BE"; break; |
| 1153 | case V4L2_PIX_FMT_BGR666: descr = "18-bit BGRX 6-6-6-14"; break; |
| 1154 | case V4L2_PIX_FMT_BGR24: descr = "24-bit BGR 8-8-8"; break; |
| 1155 | case V4L2_PIX_FMT_RGB24: descr = "24-bit RGB 8-8-8"; break; |
| 1156 | case V4L2_PIX_FMT_BGR32: descr = "32-bit BGRA/X 8-8-8-8"; break; |
| 1157 | case V4L2_PIX_FMT_ABGR32: descr = "32-bit BGRA 8-8-8-8"; break; |
| 1158 | case V4L2_PIX_FMT_XBGR32: descr = "32-bit BGRX 8-8-8-8"; break; |
| 1159 | case V4L2_PIX_FMT_RGB32: descr = "32-bit A/XRGB 8-8-8-8"; break; |
| 1160 | case V4L2_PIX_FMT_ARGB32: descr = "32-bit ARGB 8-8-8-8"; break; |
| 1161 | case V4L2_PIX_FMT_XRGB32: descr = "32-bit XRGB 8-8-8-8"; break; |
| 1162 | case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break; |
| 1163 | case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break; |
| 1164 | case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break; |
| 1165 | case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break; |
| 1166 | case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break; |
| 1167 | case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; |
Ricardo Ribalda | 2e5e435 | 2015-05-04 05:07:30 -0300 | [diff] [blame] | 1168 | case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1169 | case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; |
| 1170 | case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break; |
| 1171 | case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break; |
| 1172 | case V4L2_PIX_FMT_YVU410: descr = "Planar YVU 4:1:0"; break; |
| 1173 | case V4L2_PIX_FMT_YVU420: descr = "Planar YVU 4:2:0"; break; |
| 1174 | case V4L2_PIX_FMT_YUYV: descr = "YUYV 4:2:2"; break; |
| 1175 | case V4L2_PIX_FMT_YYUV: descr = "YYUV 4:2:2"; break; |
| 1176 | case V4L2_PIX_FMT_YVYU: descr = "YVYU 4:2:2"; break; |
| 1177 | case V4L2_PIX_FMT_UYVY: descr = "UYVY 4:2:2"; break; |
| 1178 | case V4L2_PIX_FMT_VYUY: descr = "VYUY 4:2:2"; break; |
Philipp Zabel | fcbafaf | 2016-03-04 13:03:00 -0300 | [diff] [blame] | 1179 | case V4L2_PIX_FMT_YUV422P: descr = "Planar YUV 4:2:2"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1180 | case V4L2_PIX_FMT_YUV411P: descr = "Planar YUV 4:1:1"; break; |
| 1181 | case V4L2_PIX_FMT_Y41P: descr = "YUV 4:1:1 (Packed)"; break; |
| 1182 | case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break; |
| 1183 | case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; |
| 1184 | case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; |
| 1185 | case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; |
| 1186 | case V4L2_PIX_FMT_YUV410: descr = "Planar YUV 4:1:0"; break; |
| 1187 | case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break; |
| 1188 | case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break; |
| 1189 | case V4L2_PIX_FMT_HM12: descr = "YUV 4:2:0 (16x16 Macroblocks)"; break; |
| 1190 | case V4L2_PIX_FMT_M420: descr = "YUV 4:2:0 (M420)"; break; |
| 1191 | case V4L2_PIX_FMT_NV12: descr = "Y/CbCr 4:2:0"; break; |
| 1192 | case V4L2_PIX_FMT_NV21: descr = "Y/CrCb 4:2:0"; break; |
| 1193 | case V4L2_PIX_FMT_NV16: descr = "Y/CbCr 4:2:2"; break; |
| 1194 | case V4L2_PIX_FMT_NV61: descr = "Y/CrCb 4:2:2"; break; |
| 1195 | case V4L2_PIX_FMT_NV24: descr = "Y/CbCr 4:4:4"; break; |
| 1196 | case V4L2_PIX_FMT_NV42: descr = "Y/CrCb 4:4:4"; break; |
| 1197 | case V4L2_PIX_FMT_NV12M: descr = "Y/CbCr 4:2:0 (N-C)"; break; |
| 1198 | case V4L2_PIX_FMT_NV21M: descr = "Y/CrCb 4:2:0 (N-C)"; break; |
| 1199 | case V4L2_PIX_FMT_NV16M: descr = "Y/CbCr 4:2:2 (N-C)"; break; |
| 1200 | case V4L2_PIX_FMT_NV61M: descr = "Y/CrCb 4:2:2 (N-C)"; break; |
| 1201 | case V4L2_PIX_FMT_NV12MT: descr = "Y/CbCr 4:2:0 (64x32 MB, N-C)"; break; |
| 1202 | case V4L2_PIX_FMT_NV12MT_16X16: descr = "Y/CbCr 4:2:0 (16x16 MB, N-C)"; break; |
| 1203 | case V4L2_PIX_FMT_YUV420M: descr = "Planar YUV 4:2:0 (N-C)"; break; |
| 1204 | case V4L2_PIX_FMT_YVU420M: descr = "Planar YVU 4:2:0 (N-C)"; break; |
Laurent Pinchart | d65fae9 | 2015-11-11 22:02:00 -0200 | [diff] [blame] | 1205 | case V4L2_PIX_FMT_YUV422M: descr = "Planar YUV 4:2:2 (N-C)"; break; |
| 1206 | case V4L2_PIX_FMT_YVU422M: descr = "Planar YVU 4:2:2 (N-C)"; break; |
| 1207 | case V4L2_PIX_FMT_YUV444M: descr = "Planar YUV 4:4:4 (N-C)"; break; |
| 1208 | case V4L2_PIX_FMT_YVU444M: descr = "Planar YVU 4:4:4 (N-C)"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1209 | case V4L2_PIX_FMT_SBGGR8: descr = "8-bit Bayer BGBG/GRGR"; break; |
| 1210 | case V4L2_PIX_FMT_SGBRG8: descr = "8-bit Bayer GBGB/RGRG"; break; |
| 1211 | case V4L2_PIX_FMT_SGRBG8: descr = "8-bit Bayer GRGR/BGBG"; break; |
| 1212 | case V4L2_PIX_FMT_SRGGB8: descr = "8-bit Bayer RGRG/GBGB"; break; |
| 1213 | case V4L2_PIX_FMT_SBGGR10: descr = "10-bit Bayer BGBG/GRGR"; break; |
| 1214 | case V4L2_PIX_FMT_SGBRG10: descr = "10-bit Bayer GBGB/RGRG"; break; |
| 1215 | case V4L2_PIX_FMT_SGRBG10: descr = "10-bit Bayer GRGR/BGBG"; break; |
| 1216 | case V4L2_PIX_FMT_SRGGB10: descr = "10-bit Bayer RGRG/GBGB"; break; |
| 1217 | case V4L2_PIX_FMT_SBGGR12: descr = "12-bit Bayer BGBG/GRGR"; break; |
| 1218 | case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break; |
| 1219 | case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break; |
| 1220 | case V4L2_PIX_FMT_SRGGB12: descr = "12-bit Bayer RGRG/GBGB"; break; |
| 1221 | case V4L2_PIX_FMT_SBGGR10P: descr = "10-bit Bayer BGBG/GRGR Packed"; break; |
| 1222 | case V4L2_PIX_FMT_SGBRG10P: descr = "10-bit Bayer GBGB/RGRG Packed"; break; |
| 1223 | case V4L2_PIX_FMT_SGRBG10P: descr = "10-bit Bayer GRGR/BGBG Packed"; break; |
| 1224 | case V4L2_PIX_FMT_SRGGB10P: descr = "10-bit Bayer RGRG/GBGB Packed"; break; |
| 1225 | case V4L2_PIX_FMT_SBGGR10ALAW8: descr = "8-bit Bayer BGBG/GRGR (A-law)"; break; |
| 1226 | case V4L2_PIX_FMT_SGBRG10ALAW8: descr = "8-bit Bayer GBGB/RGRG (A-law)"; break; |
| 1227 | case V4L2_PIX_FMT_SGRBG10ALAW8: descr = "8-bit Bayer GRGR/BGBG (A-law)"; break; |
| 1228 | case V4L2_PIX_FMT_SRGGB10ALAW8: descr = "8-bit Bayer RGRG/GBGB (A-law)"; break; |
| 1229 | case V4L2_PIX_FMT_SBGGR10DPCM8: descr = "8-bit Bayer BGBG/GRGR (DPCM)"; break; |
| 1230 | case V4L2_PIX_FMT_SGBRG10DPCM8: descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break; |
| 1231 | case V4L2_PIX_FMT_SGRBG10DPCM8: descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break; |
| 1232 | case V4L2_PIX_FMT_SRGGB10DPCM8: descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break; |
| 1233 | case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR (Exp.)"; break; |
Mauro Carvalho Chehab | 99b7427 | 2015-05-01 06:54:03 -0300 | [diff] [blame] | 1234 | case V4L2_PIX_FMT_SN9C20X_I420: descr = "GSPCA SN9C20X I420"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1235 | case V4L2_PIX_FMT_SPCA501: descr = "GSPCA SPCA501"; break; |
| 1236 | case V4L2_PIX_FMT_SPCA505: descr = "GSPCA SPCA505"; break; |
| 1237 | case V4L2_PIX_FMT_SPCA508: descr = "GSPCA SPCA508"; break; |
| 1238 | case V4L2_PIX_FMT_STV0680: descr = "GSPCA STV0680"; break; |
| 1239 | case V4L2_PIX_FMT_TM6000: descr = "A/V + VBI Mux Packet"; break; |
| 1240 | case V4L2_PIX_FMT_CIT_YYVYUY: descr = "GSPCA CIT YYVYUY"; break; |
| 1241 | case V4L2_PIX_FMT_KONICA420: descr = "GSPCA KONICA420"; break; |
Antti Palosaari | 48fc10a | 2015-05-17 08:38:04 -0300 | [diff] [blame] | 1242 | case V4L2_SDR_FMT_CU8: descr = "Complex U8"; break; |
| 1243 | case V4L2_SDR_FMT_CU16LE: descr = "Complex U16LE"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1244 | case V4L2_SDR_FMT_CS8: descr = "Complex S8"; break; |
| 1245 | case V4L2_SDR_FMT_CS14LE: descr = "Complex S14LE"; break; |
| 1246 | case V4L2_SDR_FMT_RU12LE: descr = "Real U12LE"; break; |
Narendra Muppalla | b4364fa | 2016-08-15 00:00:47 -0400 | [diff] [blame] | 1247 | case V4L2_PIX_FMT_NV12_UBWC: |
| 1248 | descr = "NV12 UBWC"; break; |
| 1249 | case V4L2_PIX_FMT_RGBA8888_UBWC: |
| 1250 | descr = "RGBA8888 UBWC"; break; |
| 1251 | case V4L2_PIX_FMT_SDE_ABGR_8888: |
| 1252 | descr = "32-bit ABGR 8-8-8-8"; break; |
| 1253 | case V4L2_PIX_FMT_SDE_RGBA_8888: |
| 1254 | descr = "32-bit RGBA 8-8-8-8"; break; |
| 1255 | case V4L2_PIX_FMT_SDE_RGBX_8888: |
| 1256 | descr = "32-bit RGBX 8-8-8-8"; break; |
| 1257 | case V4L2_PIX_FMT_SDE_XBGR_8888: |
| 1258 | descr = "32-bit XBGR 8-8-8-8"; break; |
| 1259 | case V4L2_PIX_FMT_SDE_RGBA_5551: |
| 1260 | descr = "16-bit RGBA 5-5-5-1"; break; |
| 1261 | case V4L2_PIX_FMT_SDE_ABGR_1555: |
| 1262 | descr = "16-bit ABGR 1-5-5-5"; break; |
| 1263 | case V4L2_PIX_FMT_SDE_BGRA_5551: |
| 1264 | descr = "16-bit BGRA 5-5-5-1"; break; |
| 1265 | case V4L2_PIX_FMT_SDE_BGRX_5551: |
| 1266 | descr = "16-bit BGRX 5-5-5-1"; break; |
| 1267 | case V4L2_PIX_FMT_SDE_RGBX_5551: |
| 1268 | descr = "16-bit RGBX 5-5-5-1"; break; |
| 1269 | case V4L2_PIX_FMT_SDE_XBGR_1555: |
| 1270 | descr = "16-bit XBGR 1-5-5-5"; break; |
| 1271 | case V4L2_PIX_FMT_SDE_RGBA_4444: |
| 1272 | descr = "16-bit RGBA 4-4-4-4"; break; |
| 1273 | case V4L2_PIX_FMT_SDE_BGRA_4444: |
| 1274 | descr = "16-bit BGRA 4-4-4-4"; break; |
| 1275 | case V4L2_PIX_FMT_SDE_ABGR_4444: |
| 1276 | descr = "16-bit ABGR 4-4-4-4"; break; |
| 1277 | case V4L2_PIX_FMT_SDE_RGBX_4444: |
| 1278 | descr = "16-bit RGBX 4-4-4-4"; break; |
| 1279 | case V4L2_PIX_FMT_SDE_BGRX_4444: |
| 1280 | descr = "16-bit BGRX 4-4-4-4"; break; |
| 1281 | case V4L2_PIX_FMT_SDE_XBGR_4444: |
| 1282 | descr = "16-bit XBGR 4-4-4-4"; break; |
| 1283 | case V4L2_PIX_FMT_SDE_BGR_565: |
| 1284 | descr = "16-bit BGR 5-6-5"; break; |
| 1285 | case V4L2_PIX_FMT_SDE_Y_CR_CB_GH2V2: |
| 1286 | descr = "Planar YVU 4:2:0 A16"; break; |
| 1287 | case V4L2_PIX_FMT_SDE_Y_CBCR_H1V2: |
| 1288 | descr = "Y/CbCr 4:2:2"; break; |
| 1289 | case V4L2_PIX_FMT_SDE_Y_CRCB_H1V2: |
| 1290 | descr = "Y/CrCb 4:2:2"; break; |
| 1291 | case V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_VENUS: |
| 1292 | descr = "Y/CbCr 4:2:0 Venus"; break; |
| 1293 | case V4L2_PIX_FMT_SDE_Y_CRCB_H2V2_VENUS: |
| 1294 | descr = "Y/CrCb 4:2:0 Venus"; break; |
| 1295 | case V4L2_PIX_FMT_SDE_RGBX_8888_UBWC: |
| 1296 | descr = "RGBX 8:8:8:8 UBWC"; break; |
| 1297 | case V4L2_PIX_FMT_SDE_RGB_565_UBWC: |
| 1298 | descr = "RGB 5:6:5 UBWC"; break; |
| 1299 | case V4L2_PIX_FMT_SDE_RGBA_1010102: |
| 1300 | descr = "RGBA 10:10:10:2"; break; |
| 1301 | case V4L2_PIX_FMT_SDE_RGBX_1010102: |
| 1302 | descr = "RGBX 10:10:10:2"; break; |
| 1303 | case V4L2_PIX_FMT_SDE_ARGB_2101010: |
| 1304 | descr = "ARGB 2:10:10:10"; break; |
| 1305 | case V4L2_PIX_FMT_SDE_XRGB_2101010: |
| 1306 | descr = "XRGB 2:10:10:10"; break; |
| 1307 | case V4L2_PIX_FMT_SDE_BGRA_1010102: |
| 1308 | descr = "BGRA 10:10:10:2"; break; |
| 1309 | case V4L2_PIX_FMT_SDE_BGRX_1010102: |
| 1310 | descr = "BGRX 10:10:10:2"; break; |
| 1311 | case V4L2_PIX_FMT_SDE_ABGR_2101010: |
| 1312 | descr = "ABGR 2:10:10:10"; break; |
| 1313 | case V4L2_PIX_FMT_SDE_XBGR_2101010: |
| 1314 | descr = "XBGR 2:10:10:10"; break; |
| 1315 | case V4L2_PIX_FMT_SDE_RGBA_1010102_UBWC: |
| 1316 | descr = "RGBA 10:10:10:2 UBWC"; break; |
| 1317 | case V4L2_PIX_FMT_SDE_RGBX_1010102_UBWC: |
| 1318 | descr = "RGBX 10:10:10:2 UBWC"; break; |
| 1319 | case V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_TP10: |
| 1320 | descr = "Y/CbCr 4:2:0 TP10"; break; |
| 1321 | case V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010: |
| 1322 | descr = "Y/CbCr 4:2:0 P10"; break; |
| 1323 | case V4L2_PIX_FMT_NV12_TP10_UBWC: |
| 1324 | descr = "Y/CbCr 4:2:0 TP10 UBWC"; break; |
Alan Kwong | 2ad00bc | 2017-02-06 23:32:17 -0800 | [diff] [blame] | 1325 | case V4L2_PIX_FMT_NV12_P010_UBWC: |
| 1326 | descr = "Y/CbCr 4:2:0 P010 UBWC"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1327 | |
| 1328 | default: |
| 1329 | /* Compressed formats */ |
| 1330 | flags = V4L2_FMT_FLAG_COMPRESSED; |
| 1331 | switch (fmt->pixelformat) { |
| 1332 | /* Max description length mask: descr = "0123456789012345678901234567890" */ |
| 1333 | case V4L2_PIX_FMT_MJPEG: descr = "Motion-JPEG"; break; |
| 1334 | case V4L2_PIX_FMT_JPEG: descr = "JFIF JPEG"; break; |
| 1335 | case V4L2_PIX_FMT_DV: descr = "1394"; break; |
| 1336 | case V4L2_PIX_FMT_MPEG: descr = "MPEG-1/2/4"; break; |
| 1337 | case V4L2_PIX_FMT_H264: descr = "H.264"; break; |
| 1338 | case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break; |
| 1339 | case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break; |
| 1340 | case V4L2_PIX_FMT_H263: descr = "H.263"; break; |
| 1341 | case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break; |
| 1342 | case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break; |
| 1343 | case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 part 2 ES"; break; |
| 1344 | case V4L2_PIX_FMT_XVID: descr = "Xvid"; break; |
| 1345 | case V4L2_PIX_FMT_VC1_ANNEX_G: descr = "VC-1 (SMPTE 412M Annex G)"; break; |
| 1346 | case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break; |
| 1347 | case V4L2_PIX_FMT_VP8: descr = "VP8"; break; |
| 1348 | case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; |
| 1349 | case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; |
| 1350 | case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; |
| 1351 | case V4L2_PIX_FMT_PWC1: descr = "Raw Philips Webcam Type (Old)"; break; |
| 1352 | case V4L2_PIX_FMT_PWC2: descr = "Raw Philips Webcam Type (New)"; break; |
| 1353 | case V4L2_PIX_FMT_ET61X251: descr = "GSPCA ET61X251"; break; |
| 1354 | case V4L2_PIX_FMT_SPCA561: descr = "GSPCA SPCA561"; break; |
| 1355 | case V4L2_PIX_FMT_PAC207: descr = "GSPCA PAC207"; break; |
| 1356 | case V4L2_PIX_FMT_MR97310A: descr = "GSPCA MR97310A"; break; |
| 1357 | case V4L2_PIX_FMT_JL2005BCD: descr = "GSPCA JL2005BCD"; break; |
| 1358 | case V4L2_PIX_FMT_SN9C2028: descr = "GSPCA SN9C2028"; break; |
| 1359 | case V4L2_PIX_FMT_SQ905C: descr = "GSPCA SQ905C"; break; |
| 1360 | case V4L2_PIX_FMT_PJPG: descr = "GSPCA PJPG"; break; |
| 1361 | case V4L2_PIX_FMT_OV511: descr = "GSPCA OV511"; break; |
| 1362 | case V4L2_PIX_FMT_OV518: descr = "GSPCA OV518"; break; |
| 1363 | case V4L2_PIX_FMT_JPGL: descr = "JPEG Lite"; break; |
| 1364 | case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; |
| 1365 | case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; |
Saurabh Kothawade | 7e52585 | 2017-04-04 11:25:50 -0700 | [diff] [blame] | 1366 | case V4L2_PIX_FMT_HEVC: |
| 1367 | descr = "HEVC"; break; |
| 1368 | case V4L2_PIX_FMT_VP9: |
| 1369 | descr = "VP9"; break; |
Surajit Podder | e502daa | 2017-05-30 19:17:45 +0530 | [diff] [blame] | 1370 | case V4L2_PIX_FMT_TME: |
| 1371 | descr = "TME"; break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1372 | default: |
| 1373 | WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); |
| 1374 | if (fmt->description[0]) |
| 1375 | return; |
| 1376 | flags = 0; |
| 1377 | snprintf(fmt->description, sz, "%c%c%c%c%s", |
| 1378 | (char)(fmt->pixelformat & 0x7f), |
| 1379 | (char)((fmt->pixelformat >> 8) & 0x7f), |
| 1380 | (char)((fmt->pixelformat >> 16) & 0x7f), |
| 1381 | (char)((fmt->pixelformat >> 24) & 0x7f), |
| 1382 | (fmt->pixelformat & (1 << 31)) ? "-BE" : ""); |
| 1383 | break; |
| 1384 | } |
| 1385 | } |
| 1386 | |
| 1387 | if (descr) |
| 1388 | WARN_ON(strlcpy(fmt->description, descr, sz) >= sz); |
| 1389 | fmt->flags = flags; |
| 1390 | } |
| 1391 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1392 | static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, |
| 1393 | struct file *file, void *fh, void *arg) |
| 1394 | { |
| 1395 | struct v4l2_fmtdesc *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1396 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1397 | bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; |
| 1398 | bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1399 | bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1400 | bool is_rx = vfd->vfl_dir != VFL_DIR_TX; |
| 1401 | bool is_tx = vfd->vfl_dir != VFL_DIR_RX; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1402 | int ret = -EINVAL; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1403 | |
| 1404 | switch (p->type) { |
| 1405 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1406 | if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_enum_fmt_vid_cap)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1407 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1408 | ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg); |
| 1409 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1410 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1411 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1412 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1413 | ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg); |
| 1414 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1415 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1416 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1417 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1418 | ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); |
| 1419 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1420 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1421 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1422 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1423 | ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg); |
| 1424 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1425 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1426 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1427 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1428 | ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg); |
| 1429 | break; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1430 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
Hans Verkuil | ce71bbc | 2014-07-12 07:54:26 -0300 | [diff] [blame] | 1431 | if (unlikely(!is_rx || !is_sdr || !ops->vidioc_enum_fmt_sdr_cap)) |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1432 | break; |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1433 | ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg); |
| 1434 | break; |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 1435 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
| 1436 | if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out)) |
| 1437 | break; |
| 1438 | ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg); |
| 1439 | break; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1440 | } |
Hans Verkuil | ba30020 | 2015-03-20 09:05:22 -0300 | [diff] [blame] | 1441 | if (ret == 0) |
| 1442 | v4l_fill_fmtdesc(p); |
| 1443 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1444 | } |
| 1445 | |
| 1446 | static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, |
| 1447 | struct file *file, void *fh, void *arg) |
| 1448 | { |
| 1449 | struct v4l2_format *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1450 | struct video_device *vfd = video_devdata(file); |
| 1451 | bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1452 | bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1453 | bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1454 | bool is_rx = vfd->vfl_dir != VFL_DIR_TX; |
| 1455 | bool is_tx = vfd->vfl_dir != VFL_DIR_RX; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1456 | int ret; |
| 1457 | |
Hans Verkuil | e5ce558 | 2014-07-17 18:45:45 -0300 | [diff] [blame] | 1458 | /* |
| 1459 | * fmt can't be cleared for these overlay types due to the 'clips' |
| 1460 | * 'clipcount' and 'bitmap' pointers in struct v4l2_window. |
| 1461 | * Those are provided by the user. So handle these two overlay types |
| 1462 | * first, and then just do a simple memset for the other types. |
| 1463 | */ |
| 1464 | switch (p->type) { |
| 1465 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 1466 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: { |
Hans Verkuil | 4d1afa5 | 2014-08-20 19:37:53 -0300 | [diff] [blame] | 1467 | struct v4l2_clip __user *clips = p->fmt.win.clips; |
Hans Verkuil | e5ce558 | 2014-07-17 18:45:45 -0300 | [diff] [blame] | 1468 | u32 clipcount = p->fmt.win.clipcount; |
Hans Verkuil | 4d1afa5 | 2014-08-20 19:37:53 -0300 | [diff] [blame] | 1469 | void __user *bitmap = p->fmt.win.bitmap; |
Hans Verkuil | e5ce558 | 2014-07-17 18:45:45 -0300 | [diff] [blame] | 1470 | |
| 1471 | memset(&p->fmt, 0, sizeof(p->fmt)); |
| 1472 | p->fmt.win.clips = clips; |
| 1473 | p->fmt.win.clipcount = clipcount; |
| 1474 | p->fmt.win.bitmap = bitmap; |
| 1475 | break; |
| 1476 | } |
| 1477 | default: |
| 1478 | memset(&p->fmt, 0, sizeof(p->fmt)); |
| 1479 | break; |
| 1480 | } |
| 1481 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1482 | switch (p->type) { |
| 1483 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1484 | if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_g_fmt_vid_cap)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1485 | break; |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1486 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1487 | ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1488 | /* just in case the driver zeroed it again */ |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1489 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1490 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1491 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1492 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1493 | break; |
| 1494 | return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); |
| 1495 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1496 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1497 | break; |
| 1498 | return ops->vidioc_g_fmt_vid_overlay(file, fh, arg); |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1499 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 1500 | if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_vbi_cap)) |
| 1501 | break; |
| 1502 | return ops->vidioc_g_fmt_vbi_cap(file, fh, arg); |
| 1503 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 1504 | if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_cap)) |
| 1505 | break; |
| 1506 | return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1507 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1508 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1509 | break; |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1510 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1511 | ret = ops->vidioc_g_fmt_vid_out(file, fh, arg); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1512 | /* just in case the driver zeroed it again */ |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1513 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1514 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1515 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1516 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1517 | break; |
| 1518 | return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg); |
| 1519 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1520 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1521 | break; |
| 1522 | return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1523 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1524 | if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1525 | break; |
| 1526 | return ops->vidioc_g_fmt_vbi_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1527 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1528 | if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1529 | break; |
| 1530 | return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg); |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1531 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
| 1532 | if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap)) |
| 1533 | break; |
| 1534 | return ops->vidioc_g_fmt_sdr_cap(file, fh, arg); |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 1535 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
| 1536 | if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out)) |
| 1537 | break; |
| 1538 | return ops->vidioc_g_fmt_sdr_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1539 | } |
| 1540 | return -EINVAL; |
| 1541 | } |
| 1542 | |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1543 | static void v4l_pix_format_touch(struct v4l2_pix_format *p) |
| 1544 | { |
| 1545 | /* |
| 1546 | * The v4l2_pix_format structure contains fields that make no sense for |
| 1547 | * touch. Set them to default values in this case. |
| 1548 | */ |
| 1549 | |
| 1550 | p->field = V4L2_FIELD_NONE; |
| 1551 | p->colorspace = V4L2_COLORSPACE_RAW; |
| 1552 | p->flags = 0; |
| 1553 | p->ycbcr_enc = 0; |
| 1554 | p->quantization = 0; |
| 1555 | p->xfer_func = 0; |
| 1556 | } |
| 1557 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1558 | static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, |
| 1559 | struct file *file, void *fh, void *arg) |
| 1560 | { |
| 1561 | struct v4l2_format *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1562 | struct video_device *vfd = video_devdata(file); |
| 1563 | bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1564 | bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1565 | bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1566 | bool is_rx = vfd->vfl_dir != VFL_DIR_TX; |
| 1567 | bool is_tx = vfd->vfl_dir != VFL_DIR_RX; |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1568 | int ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1569 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1570 | ret = v4l_enable_media_source(vfd); |
| 1571 | if (ret) |
| 1572 | return ret; |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1573 | v4l_sanitize_format(p); |
| 1574 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1575 | switch (p->type) { |
| 1576 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1577 | if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_s_fmt_vid_cap)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1578 | break; |
| 1579 | CLEAR_AFTER_FIELD(p, fmt.pix); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1580 | ret = ops->vidioc_s_fmt_vid_cap(file, fh, arg); |
| 1581 | /* just in case the driver zeroed it again */ |
| 1582 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1583 | if (is_tch) |
| 1584 | v4l_pix_format_touch(&p->fmt.pix); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1585 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1586 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1587 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1588 | break; |
Laurent Pinchart | c49148e | 2016-06-28 10:20:10 -0300 | [diff] [blame] | 1589 | CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1590 | return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); |
| 1591 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1592 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1593 | break; |
| 1594 | CLEAR_AFTER_FIELD(p, fmt.win); |
| 1595 | return ops->vidioc_s_fmt_vid_overlay(file, fh, arg); |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1596 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 1597 | if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_vbi_cap)) |
| 1598 | break; |
| 1599 | CLEAR_AFTER_FIELD(p, fmt.vbi); |
| 1600 | return ops->vidioc_s_fmt_vbi_cap(file, fh, arg); |
| 1601 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 1602 | if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_cap)) |
| 1603 | break; |
| 1604 | CLEAR_AFTER_FIELD(p, fmt.sliced); |
| 1605 | return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1606 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1607 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1608 | break; |
| 1609 | CLEAR_AFTER_FIELD(p, fmt.pix); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1610 | ret = ops->vidioc_s_fmt_vid_out(file, fh, arg); |
| 1611 | /* just in case the driver zeroed it again */ |
| 1612 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1613 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1614 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1615 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1616 | break; |
Laurent Pinchart | c49148e | 2016-06-28 10:20:10 -0300 | [diff] [blame] | 1617 | CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1618 | return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); |
| 1619 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1620 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1621 | break; |
| 1622 | CLEAR_AFTER_FIELD(p, fmt.win); |
| 1623 | return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1624 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1625 | if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1626 | break; |
| 1627 | CLEAR_AFTER_FIELD(p, fmt.vbi); |
| 1628 | return ops->vidioc_s_fmt_vbi_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1629 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1630 | if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1631 | break; |
| 1632 | CLEAR_AFTER_FIELD(p, fmt.sliced); |
| 1633 | return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg); |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1634 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
| 1635 | if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_sdr_cap)) |
| 1636 | break; |
| 1637 | CLEAR_AFTER_FIELD(p, fmt.sdr); |
| 1638 | return ops->vidioc_s_fmt_sdr_cap(file, fh, arg); |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 1639 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
| 1640 | if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out)) |
| 1641 | break; |
| 1642 | CLEAR_AFTER_FIELD(p, fmt.sdr); |
| 1643 | return ops->vidioc_s_fmt_sdr_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1644 | } |
| 1645 | return -EINVAL; |
| 1646 | } |
| 1647 | |
| 1648 | static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, |
| 1649 | struct file *file, void *fh, void *arg) |
| 1650 | { |
| 1651 | struct v4l2_format *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1652 | struct video_device *vfd = video_devdata(file); |
| 1653 | bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1654 | bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1655 | bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1656 | bool is_rx = vfd->vfl_dir != VFL_DIR_TX; |
| 1657 | bool is_tx = vfd->vfl_dir != VFL_DIR_RX; |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1658 | int ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1659 | |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1660 | v4l_sanitize_format(p); |
| 1661 | |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1662 | switch (p->type) { |
| 1663 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Nick Dyer | b2fe22d | 2016-07-18 18:10:30 -0300 | [diff] [blame] | 1664 | if (unlikely(!is_rx || (!is_vid && !is_tch) || !ops->vidioc_try_fmt_vid_cap)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1665 | break; |
| 1666 | CLEAR_AFTER_FIELD(p, fmt.pix); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1667 | ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg); |
| 1668 | /* just in case the driver zeroed it again */ |
| 1669 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1670 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1671 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1672 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1673 | break; |
Laurent Pinchart | c49148e | 2016-06-28 10:20:10 -0300 | [diff] [blame] | 1674 | CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1675 | return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); |
| 1676 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1677 | if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1678 | break; |
| 1679 | CLEAR_AFTER_FIELD(p, fmt.win); |
| 1680 | return ops->vidioc_try_fmt_vid_overlay(file, fh, arg); |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1681 | case V4L2_BUF_TYPE_VBI_CAPTURE: |
| 1682 | if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_vbi_cap)) |
| 1683 | break; |
| 1684 | CLEAR_AFTER_FIELD(p, fmt.vbi); |
| 1685 | return ops->vidioc_try_fmt_vbi_cap(file, fh, arg); |
| 1686 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
| 1687 | if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_cap)) |
| 1688 | break; |
| 1689 | CLEAR_AFTER_FIELD(p, fmt.sliced); |
| 1690 | return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1691 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1692 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1693 | break; |
| 1694 | CLEAR_AFTER_FIELD(p, fmt.pix); |
Hans Verkuil | 48f2650 | 2014-07-21 07:50:39 -0300 | [diff] [blame] | 1695 | ret = ops->vidioc_try_fmt_vid_out(file, fh, arg); |
| 1696 | /* just in case the driver zeroed it again */ |
| 1697 | p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 1698 | return ret; |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1699 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1700 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_mplane)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1701 | break; |
Laurent Pinchart | c49148e | 2016-06-28 10:20:10 -0300 | [diff] [blame] | 1702 | CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1703 | return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); |
| 1704 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1705 | if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_overlay)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1706 | break; |
| 1707 | CLEAR_AFTER_FIELD(p, fmt.win); |
| 1708 | return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1709 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1710 | if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1711 | break; |
| 1712 | CLEAR_AFTER_FIELD(p, fmt.vbi); |
| 1713 | return ops->vidioc_try_fmt_vbi_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1714 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1715 | if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_out)) |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1716 | break; |
| 1717 | CLEAR_AFTER_FIELD(p, fmt.sliced); |
| 1718 | return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg); |
Antti Palosaari | 582c52c | 2013-12-12 13:44:14 -0300 | [diff] [blame] | 1719 | case V4L2_BUF_TYPE_SDR_CAPTURE: |
| 1720 | if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_sdr_cap)) |
| 1721 | break; |
| 1722 | CLEAR_AFTER_FIELD(p, fmt.sdr); |
| 1723 | return ops->vidioc_try_fmt_sdr_cap(file, fh, arg); |
Antti Palosaari | 9effc72 | 2015-10-10 13:51:00 -0300 | [diff] [blame] | 1724 | case V4L2_BUF_TYPE_SDR_OUTPUT: |
| 1725 | if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out)) |
| 1726 | break; |
| 1727 | CLEAR_AFTER_FIELD(p, fmt.sdr); |
| 1728 | return ops->vidioc_try_fmt_sdr_out(file, fh, arg); |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 1729 | } |
| 1730 | return -EINVAL; |
| 1731 | } |
| 1732 | |
Hans Verkuil | e325b24 | 2012-06-09 12:50:15 -0300 | [diff] [blame] | 1733 | static int v4l_streamon(const struct v4l2_ioctl_ops *ops, |
| 1734 | struct file *file, void *fh, void *arg) |
| 1735 | { |
| 1736 | return ops->vidioc_streamon(file, fh, *(unsigned int *)arg); |
| 1737 | } |
| 1738 | |
| 1739 | static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, |
| 1740 | struct file *file, void *fh, void *arg) |
| 1741 | { |
| 1742 | return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); |
| 1743 | } |
| 1744 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1745 | static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, |
| 1746 | struct file *file, void *fh, void *arg) |
| 1747 | { |
| 1748 | struct video_device *vfd = video_devdata(file); |
| 1749 | struct v4l2_tuner *p = arg; |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 1750 | int err; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1751 | |
| 1752 | p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 1753 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 1754 | err = ops->vidioc_g_tuner(file, fh, p); |
| 1755 | if (!err) |
| 1756 | p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; |
| 1757 | return err; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1758 | } |
| 1759 | |
| 1760 | static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, |
| 1761 | struct file *file, void *fh, void *arg) |
| 1762 | { |
| 1763 | struct video_device *vfd = video_devdata(file); |
| 1764 | struct v4l2_tuner *p = arg; |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1765 | int ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1766 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1767 | ret = v4l_enable_media_source(vfd); |
| 1768 | if (ret) |
| 1769 | return ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1770 | p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 1771 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 1772 | return ops->vidioc_s_tuner(file, fh, p); |
| 1773 | } |
| 1774 | |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 1775 | static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops, |
| 1776 | struct file *file, void *fh, void *arg) |
| 1777 | { |
Antti Palosaari | 4124a3c | 2015-10-10 13:51:02 -0300 | [diff] [blame] | 1778 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 1779 | struct v4l2_modulator *p = arg; |
| 1780 | int err; |
| 1781 | |
Antti Palosaari | 4124a3c | 2015-10-10 13:51:02 -0300 | [diff] [blame] | 1782 | if (vfd->vfl_type == VFL_TYPE_RADIO) |
| 1783 | p->type = V4L2_TUNER_RADIO; |
| 1784 | |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 1785 | err = ops->vidioc_g_modulator(file, fh, p); |
| 1786 | if (!err) |
| 1787 | p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; |
| 1788 | return err; |
| 1789 | } |
| 1790 | |
Antti Palosaari | 4124a3c | 2015-10-10 13:51:02 -0300 | [diff] [blame] | 1791 | static int v4l_s_modulator(const struct v4l2_ioctl_ops *ops, |
| 1792 | struct file *file, void *fh, void *arg) |
| 1793 | { |
| 1794 | struct video_device *vfd = video_devdata(file); |
| 1795 | struct v4l2_modulator *p = arg; |
| 1796 | |
| 1797 | if (vfd->vfl_type == VFL_TYPE_RADIO) |
| 1798 | p->type = V4L2_TUNER_RADIO; |
| 1799 | |
| 1800 | return ops->vidioc_s_modulator(file, fh, p); |
| 1801 | } |
| 1802 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1803 | static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, |
| 1804 | struct file *file, void *fh, void *arg) |
| 1805 | { |
| 1806 | struct video_device *vfd = video_devdata(file); |
| 1807 | struct v4l2_frequency *p = arg; |
| 1808 | |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 1809 | if (vfd->vfl_type == VFL_TYPE_SDR) |
Antti Palosaari | f3c3ece | 2015-10-10 13:50:57 -0300 | [diff] [blame] | 1810 | p->type = V4L2_TUNER_SDR; |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 1811 | else |
| 1812 | p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 1813 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1814 | return ops->vidioc_g_frequency(file, fh, p); |
| 1815 | } |
| 1816 | |
| 1817 | static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, |
| 1818 | struct file *file, void *fh, void *arg) |
| 1819 | { |
| 1820 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | b530a44 | 2013-03-19 04:09:26 -0300 | [diff] [blame] | 1821 | const struct v4l2_frequency *p = arg; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1822 | enum v4l2_tuner_type type; |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1823 | int ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1824 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1825 | ret = v4l_enable_media_source(vfd); |
| 1826 | if (ret) |
| 1827 | return ret; |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 1828 | if (vfd->vfl_type == VFL_TYPE_SDR) { |
Antti Palosaari | f3c3ece | 2015-10-10 13:50:57 -0300 | [diff] [blame] | 1829 | if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 1830 | return -EINVAL; |
| 1831 | } else { |
| 1832 | type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 1833 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 1834 | if (type != p->type) |
| 1835 | return -EINVAL; |
| 1836 | } |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1837 | return ops->vidioc_s_frequency(file, fh, p); |
| 1838 | } |
| 1839 | |
| 1840 | static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, |
| 1841 | struct file *file, void *fh, void *arg) |
| 1842 | { |
| 1843 | struct video_device *vfd = video_devdata(file); |
| 1844 | struct v4l2_standard *p = arg; |
| 1845 | v4l2_std_id id = vfd->tvnorms, curr_id = 0; |
| 1846 | unsigned int index = p->index, i, j = 0; |
| 1847 | const char *descr = ""; |
| 1848 | |
Hans Verkuil | a533819 | 2012-09-14 06:45:43 -0300 | [diff] [blame] | 1849 | /* Return -ENODATA if the tvnorms for the current input |
| 1850 | or output is 0, meaning that it doesn't support this API. */ |
| 1851 | if (id == 0) |
| 1852 | return -ENODATA; |
| 1853 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1854 | /* Return norm array in a canonical way */ |
| 1855 | for (i = 0; i <= index && id; i++) { |
| 1856 | /* last std value in the standards array is 0, so this |
| 1857 | while always ends there since (id & 0) == 0. */ |
| 1858 | while ((id & standards[j].std) != standards[j].std) |
| 1859 | j++; |
| 1860 | curr_id = standards[j].std; |
| 1861 | descr = standards[j].descr; |
| 1862 | j++; |
| 1863 | if (curr_id == 0) |
| 1864 | break; |
| 1865 | if (curr_id != V4L2_STD_PAL && |
| 1866 | curr_id != V4L2_STD_SECAM && |
| 1867 | curr_id != V4L2_STD_NTSC) |
| 1868 | id &= ~curr_id; |
| 1869 | } |
| 1870 | if (i <= index) |
| 1871 | return -EINVAL; |
| 1872 | |
| 1873 | v4l2_video_std_construct(p, curr_id, descr); |
| 1874 | return 0; |
| 1875 | } |
| 1876 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1877 | static int v4l_s_std(const struct v4l2_ioctl_ops *ops, |
| 1878 | struct file *file, void *fh, void *arg) |
| 1879 | { |
| 1880 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | 314527a | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 1881 | v4l2_std_id id = *(v4l2_std_id *)arg, norm; |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1882 | int ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1883 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1884 | ret = v4l_enable_media_source(vfd); |
| 1885 | if (ret) |
| 1886 | return ret; |
Hans Verkuil | 314527a | 2013-03-15 06:10:40 -0300 | [diff] [blame] | 1887 | norm = id & vfd->tvnorms; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1888 | if (vfd->tvnorms && !norm) /* Check if std is supported */ |
| 1889 | return -EINVAL; |
| 1890 | |
| 1891 | /* Calls the specific handler */ |
Hans Verkuil | ca37157 | 2013-06-03 05:36:50 -0300 | [diff] [blame] | 1892 | return ops->vidioc_s_std(file, fh, norm); |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1893 | } |
| 1894 | |
| 1895 | static int v4l_querystd(const struct v4l2_ioctl_ops *ops, |
| 1896 | struct file *file, void *fh, void *arg) |
| 1897 | { |
| 1898 | struct video_device *vfd = video_devdata(file); |
| 1899 | v4l2_std_id *p = arg; |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1900 | int ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1901 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1902 | ret = v4l_enable_media_source(vfd); |
| 1903 | if (ret) |
| 1904 | return ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1905 | /* |
Hans Verkuil | 1a2c686 | 2013-05-29 10:19:04 -0300 | [diff] [blame] | 1906 | * If no signal is detected, then the driver should return |
| 1907 | * V4L2_STD_UNKNOWN. Otherwise it should return tvnorms with |
| 1908 | * any standards that do not apply removed. |
| 1909 | * |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1910 | * This means that tuners, audio and video decoders can join |
| 1911 | * their efforts to improve the standards detection. |
| 1912 | */ |
| 1913 | *p = vfd->tvnorms; |
| 1914 | return ops->vidioc_querystd(file, fh, arg); |
| 1915 | } |
| 1916 | |
| 1917 | static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, |
| 1918 | struct file *file, void *fh, void *arg) |
| 1919 | { |
| 1920 | struct video_device *vfd = video_devdata(file); |
| 1921 | struct v4l2_hw_freq_seek *p = arg; |
| 1922 | enum v4l2_tuner_type type; |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1923 | int ret; |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1924 | |
Shuah Khan | 77fa4e0 | 2016-02-11 21:41:29 -0200 | [diff] [blame] | 1925 | ret = v4l_enable_media_source(vfd); |
| 1926 | if (ret) |
| 1927 | return ret; |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 1928 | /* s_hw_freq_seek is not supported for SDR for now */ |
| 1929 | if (vfd->vfl_type == VFL_TYPE_SDR) |
| 1930 | return -EINVAL; |
| 1931 | |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 1932 | type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 1933 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 1934 | if (p->type != type) |
| 1935 | return -EINVAL; |
| 1936 | return ops->vidioc_s_hw_freq_seek(file, fh, p); |
| 1937 | } |
| 1938 | |
Hans Verkuil | 737c097 | 2012-09-04 10:08:01 -0300 | [diff] [blame] | 1939 | static int v4l_overlay(const struct v4l2_ioctl_ops *ops, |
| 1940 | struct file *file, void *fh, void *arg) |
| 1941 | { |
| 1942 | return ops->vidioc_overlay(file, fh, *(unsigned int *)arg); |
| 1943 | } |
| 1944 | |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1945 | static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, |
| 1946 | struct file *file, void *fh, void *arg) |
| 1947 | { |
| 1948 | struct v4l2_requestbuffers *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1949 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1950 | |
| 1951 | if (ret) |
| 1952 | return ret; |
| 1953 | |
Hans Verkuil | 633c98e | 2012-09-17 05:02:26 -0300 | [diff] [blame] | 1954 | CLEAR_AFTER_FIELD(p, memory); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1955 | |
| 1956 | return ops->vidioc_reqbufs(file, fh, p); |
| 1957 | } |
| 1958 | |
| 1959 | static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, |
| 1960 | struct file *file, void *fh, void *arg) |
| 1961 | { |
| 1962 | struct v4l2_buffer *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1963 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1964 | |
| 1965 | return ret ? ret : ops->vidioc_querybuf(file, fh, p); |
| 1966 | } |
| 1967 | |
| 1968 | static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, |
| 1969 | struct file *file, void *fh, void *arg) |
| 1970 | { |
| 1971 | struct v4l2_buffer *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1972 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1973 | |
| 1974 | return ret ? ret : ops->vidioc_qbuf(file, fh, p); |
| 1975 | } |
| 1976 | |
| 1977 | static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, |
| 1978 | struct file *file, void *fh, void *arg) |
| 1979 | { |
| 1980 | struct v4l2_buffer *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1981 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1982 | |
| 1983 | return ret ? ret : ops->vidioc_dqbuf(file, fh, p); |
| 1984 | } |
| 1985 | |
| 1986 | static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, |
| 1987 | struct file *file, void *fh, void *arg) |
| 1988 | { |
| 1989 | struct v4l2_create_buffers *create = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 1990 | int ret = check_fmt(file, create->format.type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 1991 | |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1992 | if (ret) |
| 1993 | return ret; |
| 1994 | |
Hans Verkuil | 5d35125 | 2015-06-05 05:11:14 -0300 | [diff] [blame] | 1995 | CLEAR_AFTER_FIELD(create, format); |
| 1996 | |
Laurent Pinchart | d52e238 | 2014-05-27 09:41:05 -0300 | [diff] [blame] | 1997 | v4l_sanitize_format(&create->format); |
| 1998 | |
| 1999 | ret = ops->vidioc_create_bufs(file, fh, create); |
| 2000 | |
| 2001 | if (create->format.type == V4L2_BUF_TYPE_VIDEO_CAPTURE || |
| 2002 | create->format.type == V4L2_BUF_TYPE_VIDEO_OUTPUT) |
| 2003 | create->format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; |
| 2004 | |
| 2005 | return ret; |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2006 | } |
| 2007 | |
| 2008 | static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, |
| 2009 | struct file *file, void *fh, void *arg) |
| 2010 | { |
| 2011 | struct v4l2_buffer *b = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 2012 | int ret = check_fmt(file, b->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2013 | |
| 2014 | return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); |
| 2015 | } |
| 2016 | |
| 2017 | static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, |
| 2018 | struct file *file, void *fh, void *arg) |
| 2019 | { |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2020 | struct v4l2_streamparm *p = arg; |
| 2021 | v4l2_std_id std; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 2022 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2023 | |
| 2024 | if (ret) |
| 2025 | return ret; |
| 2026 | if (ops->vidioc_g_parm) |
| 2027 | return ops->vidioc_g_parm(file, fh, p); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2028 | if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && |
| 2029 | p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
| 2030 | return -EINVAL; |
| 2031 | p->parm.capture.readbuffers = 2; |
Hans Verkuil | ca37157 | 2013-06-03 05:36:50 -0300 | [diff] [blame] | 2032 | ret = ops->vidioc_g_std(file, fh, &std); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2033 | if (ret == 0) |
Hans Verkuil | ca37157 | 2013-06-03 05:36:50 -0300 | [diff] [blame] | 2034 | v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2035 | return ret; |
| 2036 | } |
| 2037 | |
| 2038 | static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, |
| 2039 | struct file *file, void *fh, void *arg) |
| 2040 | { |
| 2041 | struct v4l2_streamparm *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 2042 | int ret = check_fmt(file, p->type); |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2043 | |
| 2044 | return ret ? ret : ops->vidioc_s_parm(file, fh, p); |
| 2045 | } |
| 2046 | |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2047 | static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops, |
| 2048 | struct file *file, void *fh, void *arg) |
| 2049 | { |
| 2050 | struct video_device *vfd = video_devdata(file); |
| 2051 | struct v4l2_queryctrl *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2052 | struct v4l2_fh *vfh = |
| 2053 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2054 | |
| 2055 | if (vfh && vfh->ctrl_handler) |
| 2056 | return v4l2_queryctrl(vfh->ctrl_handler, p); |
| 2057 | if (vfd->ctrl_handler) |
| 2058 | return v4l2_queryctrl(vfd->ctrl_handler, p); |
| 2059 | if (ops->vidioc_queryctrl) |
| 2060 | return ops->vidioc_queryctrl(file, fh, p); |
| 2061 | return -ENOTTY; |
| 2062 | } |
| 2063 | |
Hans Verkuil | e6bee36 | 2014-06-10 04:22:06 -0300 | [diff] [blame] | 2064 | static int v4l_query_ext_ctrl(const struct v4l2_ioctl_ops *ops, |
| 2065 | struct file *file, void *fh, void *arg) |
| 2066 | { |
| 2067 | struct video_device *vfd = video_devdata(file); |
| 2068 | struct v4l2_query_ext_ctrl *p = arg; |
| 2069 | struct v4l2_fh *vfh = |
| 2070 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
| 2071 | |
| 2072 | if (vfh && vfh->ctrl_handler) |
| 2073 | return v4l2_query_ext_ctrl(vfh->ctrl_handler, p); |
| 2074 | if (vfd->ctrl_handler) |
| 2075 | return v4l2_query_ext_ctrl(vfd->ctrl_handler, p); |
| 2076 | if (ops->vidioc_query_ext_ctrl) |
| 2077 | return ops->vidioc_query_ext_ctrl(file, fh, p); |
| 2078 | return -ENOTTY; |
| 2079 | } |
| 2080 | |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2081 | static int v4l_querymenu(const struct v4l2_ioctl_ops *ops, |
| 2082 | struct file *file, void *fh, void *arg) |
| 2083 | { |
| 2084 | struct video_device *vfd = video_devdata(file); |
| 2085 | struct v4l2_querymenu *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2086 | struct v4l2_fh *vfh = |
| 2087 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2088 | |
| 2089 | if (vfh && vfh->ctrl_handler) |
| 2090 | return v4l2_querymenu(vfh->ctrl_handler, p); |
| 2091 | if (vfd->ctrl_handler) |
| 2092 | return v4l2_querymenu(vfd->ctrl_handler, p); |
| 2093 | if (ops->vidioc_querymenu) |
| 2094 | return ops->vidioc_querymenu(file, fh, p); |
| 2095 | return -ENOTTY; |
| 2096 | } |
| 2097 | |
| 2098 | static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops, |
| 2099 | struct file *file, void *fh, void *arg) |
| 2100 | { |
| 2101 | struct video_device *vfd = video_devdata(file); |
| 2102 | struct v4l2_control *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2103 | struct v4l2_fh *vfh = |
| 2104 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2105 | struct v4l2_ext_controls ctrls; |
| 2106 | struct v4l2_ext_control ctrl; |
| 2107 | |
| 2108 | if (vfh && vfh->ctrl_handler) |
| 2109 | return v4l2_g_ctrl(vfh->ctrl_handler, p); |
| 2110 | if (vfd->ctrl_handler) |
| 2111 | return v4l2_g_ctrl(vfd->ctrl_handler, p); |
| 2112 | if (ops->vidioc_g_ctrl) |
| 2113 | return ops->vidioc_g_ctrl(file, fh, p); |
| 2114 | if (ops->vidioc_g_ext_ctrls == NULL) |
| 2115 | return -ENOTTY; |
| 2116 | |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 2117 | ctrls.which = V4L2_CTRL_ID2WHICH(p->id); |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2118 | ctrls.count = 1; |
| 2119 | ctrls.controls = &ctrl; |
| 2120 | ctrl.id = p->id; |
| 2121 | ctrl.value = p->value; |
| 2122 | if (check_ext_ctrls(&ctrls, 1)) { |
| 2123 | int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); |
| 2124 | |
| 2125 | if (ret == 0) |
| 2126 | p->value = ctrl.value; |
| 2127 | return ret; |
| 2128 | } |
| 2129 | return -EINVAL; |
| 2130 | } |
| 2131 | |
| 2132 | static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, |
| 2133 | struct file *file, void *fh, void *arg) |
| 2134 | { |
| 2135 | struct video_device *vfd = video_devdata(file); |
| 2136 | struct v4l2_control *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2137 | struct v4l2_fh *vfh = |
| 2138 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2139 | struct v4l2_ext_controls ctrls; |
| 2140 | struct v4l2_ext_control ctrl; |
| 2141 | |
| 2142 | if (vfh && vfh->ctrl_handler) |
| 2143 | return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); |
| 2144 | if (vfd->ctrl_handler) |
| 2145 | return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p); |
| 2146 | if (ops->vidioc_s_ctrl) |
| 2147 | return ops->vidioc_s_ctrl(file, fh, p); |
| 2148 | if (ops->vidioc_s_ext_ctrls == NULL) |
| 2149 | return -ENOTTY; |
| 2150 | |
Ricardo Ribalda | 0f8017b | 2015-10-29 08:10:28 -0200 | [diff] [blame] | 2151 | ctrls.which = V4L2_CTRL_ID2WHICH(p->id); |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2152 | ctrls.count = 1; |
| 2153 | ctrls.controls = &ctrl; |
| 2154 | ctrl.id = p->id; |
| 2155 | ctrl.value = p->value; |
| 2156 | if (check_ext_ctrls(&ctrls, 1)) |
| 2157 | return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); |
| 2158 | return -EINVAL; |
| 2159 | } |
| 2160 | |
| 2161 | static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, |
| 2162 | struct file *file, void *fh, void *arg) |
| 2163 | { |
| 2164 | struct video_device *vfd = video_devdata(file); |
| 2165 | struct v4l2_ext_controls *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2166 | struct v4l2_fh *vfh = |
| 2167 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2168 | |
| 2169 | p->error_idx = p->count; |
| 2170 | if (vfh && vfh->ctrl_handler) |
| 2171 | return v4l2_g_ext_ctrls(vfh->ctrl_handler, p); |
| 2172 | if (vfd->ctrl_handler) |
| 2173 | return v4l2_g_ext_ctrls(vfd->ctrl_handler, p); |
| 2174 | if (ops->vidioc_g_ext_ctrls == NULL) |
| 2175 | return -ENOTTY; |
| 2176 | return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : |
| 2177 | -EINVAL; |
| 2178 | } |
| 2179 | |
| 2180 | static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, |
| 2181 | struct file *file, void *fh, void *arg) |
| 2182 | { |
| 2183 | struct video_device *vfd = video_devdata(file); |
| 2184 | struct v4l2_ext_controls *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2185 | struct v4l2_fh *vfh = |
| 2186 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2187 | |
| 2188 | p->error_idx = p->count; |
| 2189 | if (vfh && vfh->ctrl_handler) |
| 2190 | return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p); |
| 2191 | if (vfd->ctrl_handler) |
| 2192 | return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p); |
| 2193 | if (ops->vidioc_s_ext_ctrls == NULL) |
| 2194 | return -ENOTTY; |
| 2195 | return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : |
| 2196 | -EINVAL; |
| 2197 | } |
| 2198 | |
| 2199 | static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, |
| 2200 | struct file *file, void *fh, void *arg) |
| 2201 | { |
| 2202 | struct video_device *vfd = video_devdata(file); |
| 2203 | struct v4l2_ext_controls *p = arg; |
Hans Verkuil | 7a3ed2d | 2012-07-07 16:11:11 -0300 | [diff] [blame] | 2204 | struct v4l2_fh *vfh = |
| 2205 | test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2206 | |
| 2207 | p->error_idx = p->count; |
| 2208 | if (vfh && vfh->ctrl_handler) |
| 2209 | return v4l2_try_ext_ctrls(vfh->ctrl_handler, p); |
| 2210 | if (vfd->ctrl_handler) |
| 2211 | return v4l2_try_ext_ctrls(vfd->ctrl_handler, p); |
| 2212 | if (ops->vidioc_try_ext_ctrls == NULL) |
| 2213 | return -ENOTTY; |
| 2214 | return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : |
| 2215 | -EINVAL; |
| 2216 | } |
| 2217 | |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 2218 | static int v4l_g_crop(const struct v4l2_ioctl_ops *ops, |
| 2219 | struct file *file, void *fh, void *arg) |
| 2220 | { |
| 2221 | struct v4l2_crop *p = arg; |
| 2222 | struct v4l2_selection s = { |
| 2223 | .type = p->type, |
| 2224 | }; |
| 2225 | int ret; |
| 2226 | |
| 2227 | if (ops->vidioc_g_crop) |
| 2228 | return ops->vidioc_g_crop(file, fh, p); |
| 2229 | /* simulate capture crop using selection api */ |
| 2230 | |
| 2231 | /* crop means compose for output devices */ |
| 2232 | if (V4L2_TYPE_IS_OUTPUT(p->type)) |
| 2233 | s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; |
| 2234 | else |
| 2235 | s.target = V4L2_SEL_TGT_CROP_ACTIVE; |
| 2236 | |
| 2237 | ret = ops->vidioc_g_selection(file, fh, &s); |
| 2238 | |
| 2239 | /* copying results to old structure on success */ |
| 2240 | if (!ret) |
| 2241 | p->c = s.r; |
| 2242 | return ret; |
| 2243 | } |
| 2244 | |
| 2245 | static int v4l_s_crop(const struct v4l2_ioctl_ops *ops, |
| 2246 | struct file *file, void *fh, void *arg) |
| 2247 | { |
| 2248 | struct v4l2_crop *p = arg; |
| 2249 | struct v4l2_selection s = { |
| 2250 | .type = p->type, |
| 2251 | .r = p->c, |
| 2252 | }; |
| 2253 | |
| 2254 | if (ops->vidioc_s_crop) |
| 2255 | return ops->vidioc_s_crop(file, fh, p); |
| 2256 | /* simulate capture crop using selection api */ |
| 2257 | |
| 2258 | /* crop means compose for output devices */ |
| 2259 | if (V4L2_TYPE_IS_OUTPUT(p->type)) |
| 2260 | s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; |
| 2261 | else |
| 2262 | s.target = V4L2_SEL_TGT_CROP_ACTIVE; |
| 2263 | |
| 2264 | return ops->vidioc_s_selection(file, fh, &s); |
| 2265 | } |
| 2266 | |
| 2267 | static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, |
| 2268 | struct file *file, void *fh, void *arg) |
| 2269 | { |
| 2270 | struct v4l2_cropcap *p = arg; |
Hans Verkuil | 95dd7b7 | 2016-04-15 06:27:28 -0300 | [diff] [blame] | 2271 | struct v4l2_selection s = { .type = p->type }; |
| 2272 | int ret = 0; |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 2273 | |
| 2274 | /* setting trivial pixelaspect */ |
| 2275 | p->pixelaspect.numerator = 1; |
| 2276 | p->pixelaspect.denominator = 1; |
Hans Verkuil | 9409945 | 2014-06-13 04:31:06 -0300 | [diff] [blame] | 2277 | |
Hans Verkuil | 95dd7b7 | 2016-04-15 06:27:28 -0300 | [diff] [blame] | 2278 | /* |
| 2279 | * The determine_valid_ioctls() call already should ensure |
| 2280 | * that this can never happen, but just in case... |
| 2281 | */ |
Hans Verkuil | 1ca830b | 2016-05-23 08:45:44 -0300 | [diff] [blame] | 2282 | if (WARN_ON(!ops->vidioc_cropcap && !ops->vidioc_g_selection)) |
Hans Verkuil | 95dd7b7 | 2016-04-15 06:27:28 -0300 | [diff] [blame] | 2283 | return -ENOTTY; |
| 2284 | |
Hans Verkuil | 9409945 | 2014-06-13 04:31:06 -0300 | [diff] [blame] | 2285 | if (ops->vidioc_cropcap) |
Hans Verkuil | 95dd7b7 | 2016-04-15 06:27:28 -0300 | [diff] [blame] | 2286 | ret = ops->vidioc_cropcap(file, fh, p); |
| 2287 | |
| 2288 | if (!ops->vidioc_g_selection) |
| 2289 | return ret; |
| 2290 | |
| 2291 | /* |
| 2292 | * Ignore ENOTTY or ENOIOCTLCMD error returns, just use the |
| 2293 | * square pixel aspect ratio in that case. |
| 2294 | */ |
| 2295 | if (ret && ret != -ENOTTY && ret != -ENOIOCTLCMD) |
| 2296 | return ret; |
| 2297 | |
| 2298 | /* Use g_selection() to fill in the bounds and defrect rectangles */ |
| 2299 | |
| 2300 | /* obtaining bounds */ |
| 2301 | if (V4L2_TYPE_IS_OUTPUT(p->type)) |
| 2302 | s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; |
| 2303 | else |
| 2304 | s.target = V4L2_SEL_TGT_CROP_BOUNDS; |
| 2305 | |
| 2306 | ret = ops->vidioc_g_selection(file, fh, &s); |
| 2307 | if (ret) |
| 2308 | return ret; |
| 2309 | p->bounds = s.r; |
| 2310 | |
| 2311 | /* obtaining defrect */ |
| 2312 | if (V4L2_TYPE_IS_OUTPUT(p->type)) |
| 2313 | s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; |
| 2314 | else |
| 2315 | s.target = V4L2_SEL_TGT_CROP_DEFAULT; |
| 2316 | |
| 2317 | ret = ops->vidioc_g_selection(file, fh, &s); |
| 2318 | if (ret) |
| 2319 | return ret; |
| 2320 | p->defrect = s.r; |
Hans Verkuil | 9409945 | 2014-06-13 04:31:06 -0300 | [diff] [blame] | 2321 | |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 2322 | return 0; |
| 2323 | } |
| 2324 | |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2325 | static int v4l_log_status(const struct v4l2_ioctl_ops *ops, |
| 2326 | struct file *file, void *fh, void *arg) |
| 2327 | { |
| 2328 | struct video_device *vfd = video_devdata(file); |
| 2329 | int ret; |
| 2330 | |
| 2331 | if (vfd->v4l2_dev) |
| 2332 | pr_info("%s: ================= START STATUS =================\n", |
| 2333 | vfd->v4l2_dev->name); |
| 2334 | ret = ops->vidioc_log_status(file, fh); |
| 2335 | if (vfd->v4l2_dev) |
| 2336 | pr_info("%s: ================== END STATUS ==================\n", |
| 2337 | vfd->v4l2_dev->name); |
| 2338 | return ret; |
| 2339 | } |
| 2340 | |
| 2341 | static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops, |
| 2342 | struct file *file, void *fh, void *arg) |
| 2343 | { |
| 2344 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 2345 | struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2346 | struct video_device *vfd = video_devdata(file); |
| 2347 | struct v4l2_subdev *sd; |
| 2348 | int idx = 0; |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2349 | |
| 2350 | if (!capable(CAP_SYS_ADMIN)) |
| 2351 | return -EPERM; |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2352 | if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2353 | if (vfd->v4l2_dev == NULL) |
| 2354 | return -EINVAL; |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2355 | v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) |
| 2356 | if (p->match.addr == idx++) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2357 | return v4l2_subdev_call(sd, core, g_register, p); |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2358 | return -EINVAL; |
| 2359 | } |
Hans Verkuil | 191b79b | 2013-05-29 06:59:34 -0300 | [diff] [blame] | 2360 | if (ops->vidioc_g_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && |
| 2361 | (ops->vidioc_g_chip_info || p->match.addr == 0)) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2362 | return ops->vidioc_g_register(file, fh, p); |
| 2363 | return -EINVAL; |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2364 | #else |
| 2365 | return -ENOTTY; |
| 2366 | #endif |
| 2367 | } |
| 2368 | |
| 2369 | static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, |
| 2370 | struct file *file, void *fh, void *arg) |
| 2371 | { |
| 2372 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Hans Verkuil | 977ba3b | 2013-03-24 08:28:46 -0300 | [diff] [blame] | 2373 | const struct v4l2_dbg_register *p = arg; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2374 | struct video_device *vfd = video_devdata(file); |
| 2375 | struct v4l2_subdev *sd; |
| 2376 | int idx = 0; |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2377 | |
| 2378 | if (!capable(CAP_SYS_ADMIN)) |
| 2379 | return -EPERM; |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2380 | if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2381 | if (vfd->v4l2_dev == NULL) |
| 2382 | return -EINVAL; |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2383 | v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) |
| 2384 | if (p->match.addr == idx++) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2385 | return v4l2_subdev_call(sd, core, s_register, p); |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2386 | return -EINVAL; |
| 2387 | } |
Hans Verkuil | 191b79b | 2013-05-29 06:59:34 -0300 | [diff] [blame] | 2388 | if (ops->vidioc_s_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && |
| 2389 | (ops->vidioc_g_chip_info || p->match.addr == 0)) |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2390 | return ops->vidioc_s_register(file, fh, p); |
| 2391 | return -EINVAL; |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2392 | #else |
| 2393 | return -ENOTTY; |
| 2394 | #endif |
| 2395 | } |
| 2396 | |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 2397 | static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2398 | struct file *file, void *fh, void *arg) |
| 2399 | { |
Hans Verkuil | cd634f1 | 2013-03-27 08:04:23 -0300 | [diff] [blame] | 2400 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2401 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 2402 | struct v4l2_dbg_chip_info *p = arg; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2403 | struct v4l2_subdev *sd; |
| 2404 | int idx = 0; |
| 2405 | |
| 2406 | switch (p->match.type) { |
| 2407 | case V4L2_CHIP_MATCH_BRIDGE: |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2408 | if (ops->vidioc_s_register) |
| 2409 | p->flags |= V4L2_CHIP_FL_WRITABLE; |
| 2410 | if (ops->vidioc_g_register) |
| 2411 | p->flags |= V4L2_CHIP_FL_READABLE; |
Hans Verkuil | 1c1d86a | 2013-06-12 11:15:12 -0300 | [diff] [blame] | 2412 | strlcpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 2413 | if (ops->vidioc_g_chip_info) |
| 2414 | return ops->vidioc_g_chip_info(file, fh, arg); |
Hans Verkuil | 0f0fe4b | 2013-04-06 06:06:13 -0300 | [diff] [blame] | 2415 | if (p->match.addr) |
| 2416 | return -EINVAL; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2417 | return 0; |
| 2418 | |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2419 | case V4L2_CHIP_MATCH_SUBDEV: |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2420 | if (vfd->v4l2_dev == NULL) |
| 2421 | break; |
| 2422 | v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) { |
Hans Verkuil | 3eef251 | 2013-04-03 04:08:19 -0300 | [diff] [blame] | 2423 | if (p->match.addr != idx++) |
| 2424 | continue; |
| 2425 | if (sd->ops->core && sd->ops->core->s_register) |
| 2426 | p->flags |= V4L2_CHIP_FL_WRITABLE; |
| 2427 | if (sd->ops->core && sd->ops->core->g_register) |
| 2428 | p->flags |= V4L2_CHIP_FL_READABLE; |
| 2429 | strlcpy(p->name, sd->name, sizeof(p->name)); |
| 2430 | return 0; |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2431 | } |
| 2432 | break; |
| 2433 | } |
| 2434 | return -EINVAL; |
Hans Verkuil | cd634f1 | 2013-03-27 08:04:23 -0300 | [diff] [blame] | 2435 | #else |
| 2436 | return -ENOTTY; |
| 2437 | #endif |
Hans Verkuil | 79b0c64 | 2013-03-18 12:16:34 -0300 | [diff] [blame] | 2438 | } |
| 2439 | |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 2440 | static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, |
| 2441 | struct file *file, void *fh, void *arg) |
| 2442 | { |
| 2443 | return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK); |
| 2444 | } |
| 2445 | |
| 2446 | static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops, |
| 2447 | struct file *file, void *fh, void *arg) |
| 2448 | { |
| 2449 | return ops->vidioc_subscribe_event(fh, arg); |
| 2450 | } |
| 2451 | |
| 2452 | static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops, |
| 2453 | struct file *file, void *fh, void *arg) |
| 2454 | { |
| 2455 | return ops->vidioc_unsubscribe_event(fh, arg); |
| 2456 | } |
| 2457 | |
| 2458 | static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops, |
| 2459 | struct file *file, void *fh, void *arg) |
| 2460 | { |
| 2461 | struct v4l2_sliced_vbi_cap *p = arg; |
Hans Verkuil | 4b20259 | 2012-09-14 07:03:35 -0300 | [diff] [blame] | 2462 | int ret = check_fmt(file, p->type); |
| 2463 | |
| 2464 | if (ret) |
| 2465 | return ret; |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 2466 | |
| 2467 | /* Clear up to type, everything after type is zeroed already */ |
| 2468 | memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); |
| 2469 | |
| 2470 | return ops->vidioc_g_sliced_vbi_cap(file, fh, p); |
| 2471 | } |
| 2472 | |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2473 | static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, |
| 2474 | struct file *file, void *fh, void *arg) |
| 2475 | { |
| 2476 | struct video_device *vfd = video_devdata(file); |
| 2477 | struct v4l2_frequency_band *p = arg; |
| 2478 | enum v4l2_tuner_type type; |
| 2479 | int err; |
| 2480 | |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 2481 | if (vfd->vfl_type == VFL_TYPE_SDR) { |
Antti Palosaari | f3c3ece | 2015-10-10 13:50:57 -0300 | [diff] [blame] | 2482 | if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) |
Antti Palosaari | 84099a2 | 2013-12-11 20:24:02 -0300 | [diff] [blame] | 2483 | return -EINVAL; |
| 2484 | type = p->type; |
| 2485 | } else { |
| 2486 | type = (vfd->vfl_type == VFL_TYPE_RADIO) ? |
| 2487 | V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; |
| 2488 | if (type != p->type) |
| 2489 | return -EINVAL; |
| 2490 | } |
Hans Verkuil | a7f404a | 2014-07-11 07:01:39 -0300 | [diff] [blame] | 2491 | if (ops->vidioc_enum_freq_bands) { |
| 2492 | err = ops->vidioc_enum_freq_bands(file, fh, p); |
| 2493 | if (err != -ENOTTY) |
| 2494 | return err; |
| 2495 | } |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 2496 | if (is_valid_ioctl(vfd, VIDIOC_G_TUNER)) { |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2497 | struct v4l2_tuner t = { |
| 2498 | .index = p->tuner, |
| 2499 | .type = type, |
| 2500 | }; |
| 2501 | |
Hans Verkuil | aa4d9b5 | 2012-08-01 15:52:46 -0300 | [diff] [blame] | 2502 | if (p->index) |
| 2503 | return -EINVAL; |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2504 | err = ops->vidioc_g_tuner(file, fh, &t); |
| 2505 | if (err) |
| 2506 | return err; |
| 2507 | p->capability = t.capability | V4L2_TUNER_CAP_FREQ_BANDS; |
| 2508 | p->rangelow = t.rangelow; |
| 2509 | p->rangehigh = t.rangehigh; |
| 2510 | p->modulation = (type == V4L2_TUNER_RADIO) ? |
| 2511 | V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; |
| 2512 | return 0; |
| 2513 | } |
Hans Verkuil | 73f3541 | 2013-03-10 13:12:25 -0300 | [diff] [blame] | 2514 | if (is_valid_ioctl(vfd, VIDIOC_G_MODULATOR)) { |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2515 | struct v4l2_modulator m = { |
| 2516 | .index = p->tuner, |
| 2517 | }; |
| 2518 | |
| 2519 | if (type != V4L2_TUNER_RADIO) |
| 2520 | return -EINVAL; |
Hans Verkuil | aa4d9b5 | 2012-08-01 15:52:46 -0300 | [diff] [blame] | 2521 | if (p->index) |
| 2522 | return -EINVAL; |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2523 | err = ops->vidioc_g_modulator(file, fh, &m); |
| 2524 | if (err) |
| 2525 | return err; |
| 2526 | p->capability = m.capability | V4L2_TUNER_CAP_FREQ_BANDS; |
| 2527 | p->rangelow = m.rangelow; |
| 2528 | p->rangehigh = m.rangehigh; |
| 2529 | p->modulation = (type == V4L2_TUNER_RADIO) ? |
| 2530 | V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; |
| 2531 | return 0; |
| 2532 | } |
| 2533 | return -ENOTTY; |
| 2534 | } |
| 2535 | |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2536 | struct v4l2_ioctl_info { |
| 2537 | unsigned int ioctl; |
Hans Verkuil | 27cd2ab | 2012-06-09 08:55:31 -0300 | [diff] [blame] | 2538 | u32 flags; |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2539 | const char * const name; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2540 | union { |
| 2541 | u32 offset; |
| 2542 | int (*func)(const struct v4l2_ioctl_ops *ops, |
| 2543 | struct file *file, void *fh, void *p); |
Hans Verkuil | 26ddcbc | 2012-07-12 12:06:24 -0300 | [diff] [blame] | 2544 | } u; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2545 | void (*debug)(const void *arg, bool write_only); |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2546 | }; |
| 2547 | |
| 2548 | /* This control needs a priority check */ |
| 2549 | #define INFO_FL_PRIO (1 << 0) |
| 2550 | /* This control can be valid if the filehandle passes a control handler. */ |
| 2551 | #define INFO_FL_CTRL (1 << 1) |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2552 | /* This is a standard ioctl, no need for special code */ |
| 2553 | #define INFO_FL_STD (1 << 2) |
| 2554 | /* This is ioctl has its own function */ |
| 2555 | #define INFO_FL_FUNC (1 << 3) |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2556 | /* Queuing ioctl */ |
| 2557 | #define INFO_FL_QUEUE (1 << 4) |
Hans Verkuil | 27cd2ab | 2012-06-09 08:55:31 -0300 | [diff] [blame] | 2558 | /* Zero struct from after the field to the end */ |
| 2559 | #define INFO_FL_CLEAR(v4l2_struct, field) \ |
| 2560 | ((offsetof(struct v4l2_struct, field) + \ |
| 2561 | sizeof(((struct v4l2_struct *)0)->field)) << 16) |
| 2562 | #define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2563 | |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2564 | #define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \ |
| 2565 | [_IOC_NR(_ioctl)] = { \ |
| 2566 | .ioctl = _ioctl, \ |
| 2567 | .flags = _flags | INFO_FL_STD, \ |
| 2568 | .name = #_ioctl, \ |
Hans Verkuil | 26ddcbc | 2012-07-12 12:06:24 -0300 | [diff] [blame] | 2569 | .u.offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \ |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2570 | .debug = _debug, \ |
| 2571 | } |
| 2572 | |
| 2573 | #define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \ |
| 2574 | [_IOC_NR(_ioctl)] = { \ |
| 2575 | .ioctl = _ioctl, \ |
| 2576 | .flags = _flags | INFO_FL_FUNC, \ |
| 2577 | .name = #_ioctl, \ |
Hans Verkuil | 26ddcbc | 2012-07-12 12:06:24 -0300 | [diff] [blame] | 2578 | .u.func = _func, \ |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2579 | .debug = _debug, \ |
| 2580 | } |
| 2581 | |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2582 | static struct v4l2_ioctl_info v4l2_ioctls[] = { |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2583 | IOCTL_INFO_FNC(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 2584 | IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)), |
Hans Verkuil | e5ce558 | 2014-07-17 18:45:45 -0300 | [diff] [blame] | 2585 | IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, 0), |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 2586 | IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2587 | IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), |
| 2588 | IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 2589 | IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), |
| 2590 | IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), |
Hans Verkuil | 737c097 | 2012-09-04 10:08:01 -0300 | [diff] [blame] | 2591 | IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2592 | IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), |
Tomasz Stanislawski | b799d09 | 2012-06-14 11:32:23 -0300 | [diff] [blame] | 2593 | IOCTL_INFO_STD(VIDIOC_EXPBUF, vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2594 | IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), |
| 2595 | IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), |
| 2596 | IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), |
Hans Verkuil | eb3728e | 2012-06-22 06:23:59 -0300 | [diff] [blame] | 2597 | IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), |
| 2598 | IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), |
Hans Verkuil | ca37157 | 2013-06-03 05:36:50 -0300 | [diff] [blame] | 2599 | IOCTL_INFO_STD(VIDIOC_G_STD, vidioc_g_std, v4l_print_std, 0), |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 2600 | IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), |
| 2601 | IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2602 | IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2603 | IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)), |
| 2604 | IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 2605 | IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), |
| 2606 | IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2607 | IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), |
| 2608 | IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2609 | IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), |
| 2610 | IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2611 | IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0), |
| 2612 | IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), |
Hans Verkuil | f9402a9 | 2014-03-14 11:52:38 -0300 | [diff] [blame] | 2613 | IOCTL_INFO_STD(VIDIOC_G_EDID, vidioc_g_edid, v4l_print_edid, 0), |
| 2614 | IOCTL_INFO_STD(VIDIOC_S_EDID, vidioc_s_edid, v4l_print_edid, INFO_FL_PRIO), |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2615 | IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0), |
| 2616 | IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), |
| 2617 | IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), |
| 2618 | IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), |
| 2619 | IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2620 | IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), |
Antti Palosaari | 4124a3c | 2015-10-10 13:51:02 -0300 | [diff] [blame] | 2621 | IOCTL_INFO_FNC(VIDIOC_S_MODULATOR, v4l_s_modulator, v4l_print_modulator, INFO_FL_PRIO), |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 2622 | IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), |
| 2623 | IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), |
Hans Verkuil | d84f2d94 | 2012-06-09 11:57:46 -0300 | [diff] [blame] | 2624 | IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), |
| 2625 | IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), |
| 2626 | IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), |
Hans Verkuil | 865c464 | 2014-03-24 09:51:34 -0300 | [diff] [blame] | 2627 | IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), |
| 2628 | IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), |
Hans Verkuil | d806f2d | 2012-06-09 10:02:49 -0300 | [diff] [blame] | 2629 | IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), |
| 2630 | IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 2631 | IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), |
Hans Verkuil | be6c64e | 2012-06-22 06:12:57 -0300 | [diff] [blame] | 2632 | IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), |
Hans Verkuil | 5907612 | 2012-06-22 06:09:54 -0300 | [diff] [blame] | 2633 | IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), |
| 2634 | IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), |
Hans Verkuil | d0547cb | 2012-06-09 09:27:10 -0300 | [diff] [blame] | 2635 | IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), |
| 2636 | IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 2637 | IOCTL_INFO_FNC(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)), |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2638 | IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0), |
Hans Verkuil | efbceec | 2012-06-09 12:54:02 -0300 | [diff] [blame] | 2639 | IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), |
| 2640 | IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), |
Hans Verkuil | 9bc3163 | 2012-07-18 09:34:59 -0300 | [diff] [blame] | 2641 | IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 2642 | IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), |
| 2643 | IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), |
Hans Verkuil | d806f2d | 2012-06-09 10:02:49 -0300 | [diff] [blame] | 2644 | IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0), |
| 2645 | IOCTL_INFO_STD(VIDIOC_ENCODER_CMD, vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), |
| 2646 | IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), |
| 2647 | IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), |
| 2648 | IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), |
Hans Verkuil | f16f77b | 2012-06-09 10:06:25 -0300 | [diff] [blame] | 2649 | IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), |
| 2650 | IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), |
Hans Verkuil | 4b1e2e4 | 2012-06-22 06:17:48 -0300 | [diff] [blame] | 2651 | IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), |
Hans Verkuil | f932af8 | 2016-07-04 10:05:48 -0300 | [diff] [blame] | 2652 | IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_dv_timings, bt.flags)), |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 2653 | IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), |
Hans Verkuil | 458aa4a | 2012-06-09 12:55:52 -0300 | [diff] [blame] | 2654 | IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), |
| 2655 | IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), |
| 2656 | IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2657 | IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), |
| 2658 | IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), |
Hans Verkuil | f932af8 | 2016-07-04 10:05:48 -0300 | [diff] [blame] | 2659 | IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, INFO_FL_CLEAR(v4l2_enum_dv_timings, pad)), |
Hans Verkuil | efc626b | 2012-06-09 10:09:07 -0300 | [diff] [blame] | 2660 | IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0), |
Hans Verkuil | a1acb8f | 2012-07-11 09:15:06 -0300 | [diff] [blame] | 2661 | IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), |
Hans Verkuil | 82b655b | 2012-07-05 06:37:08 -0300 | [diff] [blame] | 2662 | IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), |
Hans Verkuil | 96b03d2 | 2013-04-06 06:16:58 -0300 | [diff] [blame] | 2663 | IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chip_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), |
Hans Verkuil | e6bee36 | 2014-06-10 04:22:06 -0300 | [diff] [blame] | 2664 | IOCTL_INFO_FNC(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext_ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2665 | }; |
| 2666 | #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| 2667 | |
| 2668 | bool v4l2_is_known_ioctl(unsigned int cmd) |
| 2669 | { |
| 2670 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) |
| 2671 | return false; |
| 2672 | return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd; |
| 2673 | } |
| 2674 | |
Hans Verkuil | 5a5adf6 | 2012-06-22 07:29:35 -0300 | [diff] [blame] | 2675 | struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd) |
| 2676 | { |
| 2677 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) |
| 2678 | return vdev->lock; |
| 2679 | if (test_bit(_IOC_NR(cmd), vdev->disable_locking)) |
| 2680 | return NULL; |
| 2681 | if (vdev->queue && vdev->queue->lock && |
| 2682 | (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) |
| 2683 | return vdev->queue->lock; |
| 2684 | return vdev->lock; |
| 2685 | } |
| 2686 | |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2687 | /* Common ioctl debug function. This function can be used by |
| 2688 | external ioctl messages as well as internal V4L ioctl */ |
Hans Verkuil | 4a08516 | 2012-06-22 06:38:06 -0300 | [diff] [blame] | 2689 | void v4l_printk_ioctl(const char *prefix, unsigned int cmd) |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2690 | { |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2691 | const char *dir, *type; |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2692 | |
Hans Verkuil | 4a08516 | 2012-06-22 06:38:06 -0300 | [diff] [blame] | 2693 | if (prefix) |
| 2694 | printk(KERN_DEBUG "%s: ", prefix); |
| 2695 | |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2696 | switch (_IOC_TYPE(cmd)) { |
| 2697 | case 'd': |
| 2698 | type = "v4l2_int"; |
| 2699 | break; |
| 2700 | case 'V': |
| 2701 | if (_IOC_NR(cmd) >= V4L2_IOCTLS) { |
| 2702 | type = "v4l2"; |
| 2703 | break; |
| 2704 | } |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2705 | pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name); |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2706 | return; |
| 2707 | default: |
| 2708 | type = "unknown"; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2709 | break; |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2710 | } |
| 2711 | |
| 2712 | switch (_IOC_DIR(cmd)) { |
| 2713 | case _IOC_NONE: dir = "--"; break; |
| 2714 | case _IOC_READ: dir = "r-"; break; |
| 2715 | case _IOC_WRITE: dir = "-w"; break; |
| 2716 | case _IOC_READ | _IOC_WRITE: dir = "rw"; break; |
| 2717 | default: dir = "*ERR*"; break; |
| 2718 | } |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2719 | pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)", |
Hans Verkuil | 4839e6c | 2012-06-04 05:23:40 -0300 | [diff] [blame] | 2720 | type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); |
| 2721 | } |
| 2722 | EXPORT_SYMBOL(v4l_printk_ioctl); |
| 2723 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2724 | static long __video_do_ioctl(struct file *file, |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2725 | unsigned int cmd, void *arg) |
| 2726 | { |
| 2727 | struct video_device *vfd = video_devdata(file); |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 2728 | const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2729 | bool write_only = false; |
| 2730 | struct v4l2_ioctl_info default_info; |
| 2731 | const struct v4l2_ioctl_info *info; |
Hans Verkuil | d5fbf32 | 2008-10-18 13:39:53 -0300 | [diff] [blame] | 2732 | void *fh = file->private_data; |
Hans Verkuil | 99cd47bc | 2011-03-11 19:00:56 -0300 | [diff] [blame] | 2733 | struct v4l2_fh *vfh = NULL; |
Hans Verkuil | 17028cd | 2014-12-01 10:10:44 -0300 | [diff] [blame] | 2734 | int dev_debug = vfd->dev_debug; |
Mauro Carvalho Chehab | 9190d19 | 2011-07-06 14:08:08 -0300 | [diff] [blame] | 2735 | long ret = -ENOTTY; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2736 | |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 2737 | if (ops == NULL) { |
Hans Verkuil | 4a08516 | 2012-06-22 06:38:06 -0300 | [diff] [blame] | 2738 | pr_warn("%s: has no ioctl_ops.\n", |
| 2739 | video_device_node_name(vfd)); |
Mauro Carvalho Chehab | 9190d19 | 2011-07-06 14:08:08 -0300 | [diff] [blame] | 2740 | return ret; |
Hans Verkuil | 6a71788 | 2010-04-06 15:56:08 -0300 | [diff] [blame] | 2741 | } |
| 2742 | |
Ramakrishnan Muthukrishnan | b7284bb | 2014-06-19 14:22:57 -0300 | [diff] [blame] | 2743 | if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) |
Hans Verkuil | 48ea0be | 2012-05-10 05:36:00 -0300 | [diff] [blame] | 2744 | vfh = file->private_data; |
Hans Verkuil | 48ea0be | 2012-05-10 05:36:00 -0300 | [diff] [blame] | 2745 | |
| 2746 | if (v4l2_is_known_ioctl(cmd)) { |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2747 | info = &v4l2_ioctls[_IOC_NR(cmd)]; |
Hans Verkuil | 48ea0be | 2012-05-10 05:36:00 -0300 | [diff] [blame] | 2748 | |
Ricardo Ribalda | 2e5e435 | 2015-05-04 05:07:30 -0300 | [diff] [blame] | 2749 | if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) && |
Hans Verkuil | 48ea0be | 2012-05-10 05:36:00 -0300 | [diff] [blame] | 2750 | !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler)) |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2751 | goto done; |
Hans Verkuil | 4b902fe | 2012-05-10 05:40:50 -0300 | [diff] [blame] | 2752 | |
Ramakrishnan Muthukrishnan | b7284bb | 2014-06-19 14:22:57 -0300 | [diff] [blame] | 2753 | if (vfh && (info->flags & INFO_FL_PRIO)) { |
Hans Verkuil | 4b902fe | 2012-05-10 05:40:50 -0300 | [diff] [blame] | 2754 | ret = v4l2_prio_check(vfd->prio, vfh->prio); |
| 2755 | if (ret) |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2756 | goto done; |
Hans Verkuil | 4b902fe | 2012-05-10 05:40:50 -0300 | [diff] [blame] | 2757 | } |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2758 | } else { |
| 2759 | default_info.ioctl = cmd; |
| 2760 | default_info.flags = 0; |
Hans Verkuil | f18d8e0 | 2012-06-22 06:35:01 -0300 | [diff] [blame] | 2761 | default_info.debug = v4l_print_default; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2762 | info = &default_info; |
Hans Verkuil | 48ea0be | 2012-05-10 05:36:00 -0300 | [diff] [blame] | 2763 | } |
| 2764 | |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2765 | write_only = _IOC_DIR(cmd) == _IOC_WRITE; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2766 | if (info->flags & INFO_FL_STD) { |
| 2767 | typedef int (*vidioc_op)(struct file *file, void *fh, void *p); |
| 2768 | const void *p = vfd->ioctl_ops; |
Hans Verkuil | 26ddcbc | 2012-07-12 12:06:24 -0300 | [diff] [blame] | 2769 | const vidioc_op *vidioc = p + info->u.offset; |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2770 | |
| 2771 | ret = (*vidioc)(file, fh, arg); |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2772 | } else if (info->flags & INFO_FL_FUNC) { |
Hans Verkuil | 26ddcbc | 2012-07-12 12:06:24 -0300 | [diff] [blame] | 2773 | ret = info->u.func(ops, file, fh, arg); |
Hans Verkuil | f18d8e0 | 2012-06-22 06:35:01 -0300 | [diff] [blame] | 2774 | } else if (!ops->vidioc_default) { |
| 2775 | ret = -ENOTTY; |
| 2776 | } else { |
| 2777 | ret = ops->vidioc_default(file, fh, |
Ramakrishnan Muthukrishnan | b7284bb | 2014-06-19 14:22:57 -0300 | [diff] [blame] | 2778 | vfh ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0, |
Hans Verkuil | f18d8e0 | 2012-06-22 06:35:01 -0300 | [diff] [blame] | 2779 | cmd, arg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2780 | } |
| 2781 | |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2782 | done: |
Hans Verkuil | 17028cd | 2014-12-01 10:10:44 -0300 | [diff] [blame] | 2783 | if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) { |
| 2784 | if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) && |
| 2785 | (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) |
| 2786 | return ret; |
| 2787 | |
Hans Verkuil | 4a08516 | 2012-06-22 06:38:06 -0300 | [diff] [blame] | 2788 | v4l_printk_ioctl(video_device_node_name(vfd), cmd); |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2789 | if (ret < 0) |
Hans Verkuil | 505d04b | 2013-03-14 07:40:45 -0300 | [diff] [blame] | 2790 | pr_cont(": error %ld", ret); |
Hans Verkuil | 17028cd | 2014-12-01 10:10:44 -0300 | [diff] [blame] | 2791 | if (!(dev_debug & V4L2_DEV_DEBUG_IOCTL_ARG)) |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2792 | pr_cont("\n"); |
Hans Verkuil | 86748f3 | 2012-06-22 06:04:16 -0300 | [diff] [blame] | 2793 | else if (_IOC_DIR(cmd) == _IOC_NONE) |
| 2794 | info->debug(arg, write_only); |
| 2795 | else { |
| 2796 | pr_cont(": "); |
| 2797 | info->debug(arg, write_only); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2798 | } |
| 2799 | } |
| 2800 | |
| 2801 | return ret; |
| 2802 | } |
| 2803 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2804 | static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, |
Hans Verkuil | ba2d35c | 2014-03-17 09:54:23 -0300 | [diff] [blame] | 2805 | void __user **user_ptr, void ***kernel_ptr) |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2806 | { |
| 2807 | int ret = 0; |
| 2808 | |
| 2809 | switch (cmd) { |
Hans Verkuil | 96b1a70 | 2012-09-19 10:14:41 -0300 | [diff] [blame] | 2810 | case VIDIOC_PREPARE_BUF: |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2811 | case VIDIOC_QUERYBUF: |
| 2812 | case VIDIOC_QBUF: |
| 2813 | case VIDIOC_DQBUF: { |
| 2814 | struct v4l2_buffer *buf = parg; |
| 2815 | |
| 2816 | if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { |
| 2817 | if (buf->length > VIDEO_MAX_PLANES) { |
| 2818 | ret = -EINVAL; |
| 2819 | break; |
| 2820 | } |
| 2821 | *user_ptr = (void __user *)buf->m.planes; |
Hans Verkuil | ba2d35c | 2014-03-17 09:54:23 -0300 | [diff] [blame] | 2822 | *kernel_ptr = (void **)&buf->m.planes; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2823 | *array_size = sizeof(struct v4l2_plane) * buf->length; |
| 2824 | ret = 1; |
| 2825 | } |
| 2826 | break; |
| 2827 | } |
| 2828 | |
Hans Verkuil | dd519bb | 2014-03-07 07:18:37 -0300 | [diff] [blame] | 2829 | case VIDIOC_G_EDID: |
| 2830 | case VIDIOC_S_EDID: { |
| 2831 | struct v4l2_edid *edid = parg; |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 2832 | |
| 2833 | if (edid->blocks) { |
Hans Verkuil | 1b8b10c | 2012-10-02 02:47:58 -0300 | [diff] [blame] | 2834 | if (edid->blocks > 256) { |
| 2835 | ret = -EINVAL; |
| 2836 | break; |
| 2837 | } |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 2838 | *user_ptr = (void __user *)edid->edid; |
Hans Verkuil | ba2d35c | 2014-03-17 09:54:23 -0300 | [diff] [blame] | 2839 | *kernel_ptr = (void **)&edid->edid; |
Hans Verkuil | ed45ce2 | 2012-08-10 06:07:12 -0300 | [diff] [blame] | 2840 | *array_size = edid->blocks * 128; |
| 2841 | ret = 1; |
| 2842 | } |
| 2843 | break; |
| 2844 | } |
| 2845 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2846 | case VIDIOC_S_EXT_CTRLS: |
| 2847 | case VIDIOC_G_EXT_CTRLS: |
| 2848 | case VIDIOC_TRY_EXT_CTRLS: { |
| 2849 | struct v4l2_ext_controls *ctrls = parg; |
| 2850 | |
| 2851 | if (ctrls->count != 0) { |
Dan Carpenter | 6c06108 | 2012-01-05 02:27:57 -0300 | [diff] [blame] | 2852 | if (ctrls->count > V4L2_CID_MAX_CTRLS) { |
| 2853 | ret = -EINVAL; |
| 2854 | break; |
| 2855 | } |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2856 | *user_ptr = (void __user *)ctrls->controls; |
Hans Verkuil | ba2d35c | 2014-03-17 09:54:23 -0300 | [diff] [blame] | 2857 | *kernel_ptr = (void **)&ctrls->controls; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2858 | *array_size = sizeof(struct v4l2_ext_control) |
| 2859 | * ctrls->count; |
| 2860 | ret = 1; |
| 2861 | } |
| 2862 | break; |
| 2863 | } |
| 2864 | } |
| 2865 | |
| 2866 | return ret; |
| 2867 | } |
| 2868 | |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2869 | long |
| 2870 | video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, |
| 2871 | v4l2_kioctl func) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2872 | { |
| 2873 | char sbuf[128]; |
| 2874 | void *mbuf = NULL; |
Hans Verkuil | 1d94aa3 | 2010-04-06 08:12:21 -0300 | [diff] [blame] | 2875 | void *parg = (void *)arg; |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 2876 | long err = -EINVAL; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2877 | bool has_array_args; |
| 2878 | size_t array_size = 0; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2879 | void __user *user_ptr = NULL; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2880 | void **kernel_ptr = NULL; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2881 | |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2882 | /* Copy arguments into temp kernel buffer */ |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2883 | if (_IOC_DIR(cmd) != _IOC_NONE) { |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2884 | if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { |
| 2885 | parg = sbuf; |
| 2886 | } else { |
| 2887 | /* too big to allocate from stack */ |
| 2888 | mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); |
| 2889 | if (NULL == mbuf) |
| 2890 | return -ENOMEM; |
| 2891 | parg = mbuf; |
| 2892 | } |
| 2893 | |
| 2894 | err = -EFAULT; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2895 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
Hans Verkuil | 27cd2ab | 2012-06-09 08:55:31 -0300 | [diff] [blame] | 2896 | unsigned int n = _IOC_SIZE(cmd); |
| 2897 | |
| 2898 | /* |
| 2899 | * In some cases, only a few fields are used as input, |
| 2900 | * i.e. when the app sets "index" and then the driver |
| 2901 | * fills in the rest of the structure for the thing |
| 2902 | * with that index. We only need to copy up the first |
| 2903 | * non-input field. |
| 2904 | */ |
| 2905 | if (v4l2_is_known_ioctl(cmd)) { |
| 2906 | u32 flags = v4l2_ioctls[_IOC_NR(cmd)].flags; |
| 2907 | if (flags & INFO_FL_CLEAR_MASK) |
| 2908 | n = (flags & INFO_FL_CLEAR_MASK) >> 16; |
| 2909 | } |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2910 | |
| 2911 | if (copy_from_user(parg, (void __user *)arg, n)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2912 | goto out; |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2913 | |
| 2914 | /* zero out anything we don't copy from userspace */ |
| 2915 | if (n < _IOC_SIZE(cmd)) |
| 2916 | memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); |
Trent Piepho | 337f9d2 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2917 | } else { |
| 2918 | /* read-only ioctl */ |
| 2919 | memset(parg, 0, _IOC_SIZE(cmd)); |
Trent Piepho | 19c96e4 | 2009-03-04 01:21:02 -0300 | [diff] [blame] | 2920 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2921 | } |
| 2922 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2923 | err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); |
| 2924 | if (err < 0) |
| 2925 | goto out; |
| 2926 | has_array_args = err; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2927 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2928 | if (has_array_args) { |
| 2929 | /* |
| 2930 | * When adding new types of array args, make sure that the |
| 2931 | * parent argument to ioctl (which contains the pointer to the |
| 2932 | * array) fits into sbuf (so that mbuf will still remain |
| 2933 | * unused up to here). |
| 2934 | */ |
| 2935 | mbuf = kmalloc(array_size, GFP_KERNEL); |
| 2936 | err = -ENOMEM; |
| 2937 | if (NULL == mbuf) |
| 2938 | goto out_array_args; |
| 2939 | err = -EFAULT; |
| 2940 | if (copy_from_user(mbuf, user_ptr, array_size)) |
| 2941 | goto out_array_args; |
| 2942 | *kernel_ptr = mbuf; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2943 | } |
| 2944 | |
| 2945 | /* Handles IOCTL */ |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2946 | err = func(file, cmd, parg); |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2947 | if (err == -ENOIOCTLCMD) |
Hans Verkuil | 02bbb81 | 2012-02-08 08:09:36 -0300 | [diff] [blame] | 2948 | err = -ENOTTY; |
Hans Verkuil | aa32f4c | 2013-12-16 05:45:37 -0300 | [diff] [blame] | 2949 | if (err == 0) { |
| 2950 | if (cmd == VIDIOC_DQBUF) |
| 2951 | trace_v4l2_dqbuf(video_devdata(file)->minor, parg); |
| 2952 | else if (cmd == VIDIOC_QBUF) |
| 2953 | trace_v4l2_qbuf(video_devdata(file)->minor, parg); |
| 2954 | } |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2955 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2956 | if (has_array_args) { |
Hans Verkuil | ba2d35c | 2014-03-17 09:54:23 -0300 | [diff] [blame] | 2957 | *kernel_ptr = (void __force *)user_ptr; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2958 | if (copy_to_user(user_ptr, mbuf, array_size)) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2959 | err = -EFAULT; |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2960 | goto out_array_args; |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2961 | } |
Hans Verkuil | 5d7758e | 2012-05-15 08:06:44 -0300 | [diff] [blame] | 2962 | /* VIDIOC_QUERY_DV_TIMINGS can return an error, but still have valid |
| 2963 | results that must be returned. */ |
| 2964 | if (err < 0 && cmd != VIDIOC_QUERY_DV_TIMINGS) |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2965 | goto out; |
| 2966 | |
Pawel Osciak | d14e6d7 | 2010-12-23 04:15:27 -0300 | [diff] [blame] | 2967 | out_array_args: |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 2968 | /* Copy results into user buffer */ |
| 2969 | switch (_IOC_DIR(cmd)) { |
| 2970 | case _IOC_READ: |
| 2971 | case (_IOC_WRITE | _IOC_READ): |
| 2972 | if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) |
| 2973 | err = -EFAULT; |
| 2974 | break; |
| 2975 | } |
| 2976 | |
| 2977 | out: |
| 2978 | kfree(mbuf); |
| 2979 | return err; |
| 2980 | } |
Laurent Pinchart | fc0a807 | 2010-07-12 11:09:41 -0300 | [diff] [blame] | 2981 | EXPORT_SYMBOL(video_usercopy); |
| 2982 | |
| 2983 | long video_ioctl2(struct file *file, |
| 2984 | unsigned int cmd, unsigned long arg) |
| 2985 | { |
| 2986 | return video_usercopy(file, cmd, arg, __video_do_ioctl); |
| 2987 | } |
Mauro Carvalho Chehab | 8a522c9 | 2008-10-21 11:58:39 -0300 | [diff] [blame] | 2988 | EXPORT_SYMBOL(video_ioctl2); |