12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 25bc3cb74SMauro Carvalho Chehab /* 35bc3cb74SMauro Carvalho Chehab * Video capture interface for Linux version 2 45bc3cb74SMauro Carvalho Chehab * 55bc3cb74SMauro Carvalho Chehab * A generic framework to process V4L2 ioctl commands. 65bc3cb74SMauro Carvalho Chehab * 75bc3cb74SMauro Carvalho Chehab * Authors: Alan Cox, <alan@lxorguk.ukuu.org.uk> (version 1) 832590819SMauro Carvalho Chehab * Mauro Carvalho Chehab <mchehab@kernel.org> (version 2) 95bc3cb74SMauro Carvalho Chehab */ 105bc3cb74SMauro Carvalho Chehab 118dbcc3faSArnd Bergmann #include <linux/compat.h> 12758d90e1STomasz Figa #include <linux/mm.h> 135bc3cb74SMauro Carvalho Chehab #include <linux/module.h> 145bc3cb74SMauro Carvalho Chehab #include <linux/slab.h> 155bc3cb74SMauro Carvalho Chehab #include <linux/types.h> 165bc3cb74SMauro Carvalho Chehab #include <linux/kernel.h> 175bc3cb74SMauro Carvalho Chehab #include <linux/version.h> 185bc3cb74SMauro Carvalho Chehab 195bc3cb74SMauro Carvalho Chehab #include <linux/videodev2.h> 205bc3cb74SMauro Carvalho Chehab 215bc3cb74SMauro Carvalho Chehab #include <media/v4l2-common.h> 225bc3cb74SMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 235bc3cb74SMauro Carvalho Chehab #include <media/v4l2-ctrls.h> 245bc3cb74SMauro Carvalho Chehab #include <media/v4l2-fh.h> 255bc3cb74SMauro Carvalho Chehab #include <media/v4l2-event.h> 265bc3cb74SMauro Carvalho Chehab #include <media/v4l2-device.h> 27c139990eSJunghak Sung #include <media/videobuf2-v4l2.h> 2877fa4e07SShuah Khan #include <media/v4l2-mc.h> 29d862bc08SHans Verkuil #include <media/v4l2-mem2mem.h> 305bc3cb74SMauro Carvalho Chehab 31aa32f4c0SHans Verkuil #include <trace/events/v4l2.h> 32aa32f4c0SHans Verkuil 335bc3cb74SMauro Carvalho Chehab /* Zero out the end of the struct pointed to by p. Everything after, but 345bc3cb74SMauro Carvalho Chehab * not including, the specified field is cleared. */ 355bc3cb74SMauro Carvalho Chehab #define CLEAR_AFTER_FIELD(p, field) \ 365bc3cb74SMauro Carvalho Chehab memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ 375bc3cb74SMauro Carvalho Chehab 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) 385bc3cb74SMauro Carvalho Chehab 3973f35418SHans Verkuil #define is_valid_ioctl(vfd, cmd) test_bit(_IOC_NR(cmd), (vfd)->valid_ioctls) 4073f35418SHans Verkuil 415bc3cb74SMauro Carvalho Chehab struct std_descr { 425bc3cb74SMauro Carvalho Chehab v4l2_std_id std; 435bc3cb74SMauro Carvalho Chehab const char *descr; 445bc3cb74SMauro Carvalho Chehab }; 455bc3cb74SMauro Carvalho Chehab 465bc3cb74SMauro Carvalho Chehab static const struct std_descr standards[] = { 475bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC, "NTSC" }, 485bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M, "NTSC-M" }, 495bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, 505bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, 515bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_443, "NTSC-443" }, 525bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL, "PAL" }, 535bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_BG, "PAL-BG" }, 545bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_B, "PAL-B" }, 555bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_B1, "PAL-B1" }, 565bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_G, "PAL-G" }, 575bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_H, "PAL-H" }, 585bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_I, "PAL-I" }, 595bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_DK, "PAL-DK" }, 605bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_D, "PAL-D" }, 615bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_D1, "PAL-D1" }, 625bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_K, "PAL-K" }, 635bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_M, "PAL-M" }, 645bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_N, "PAL-N" }, 655bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_Nc, "PAL-Nc" }, 665bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_60, "PAL-60" }, 675bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM, "SECAM" }, 685bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_B, "SECAM-B" }, 695bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_G, "SECAM-G" }, 705bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_H, "SECAM-H" }, 715bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_DK, "SECAM-DK" }, 725bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_D, "SECAM-D" }, 735bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_K, "SECAM-K" }, 745bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_K1, "SECAM-K1" }, 755bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_L, "SECAM-L" }, 765bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_LC, "SECAM-Lc" }, 775bc3cb74SMauro Carvalho Chehab { 0, "Unknown" } 785bc3cb74SMauro Carvalho Chehab }; 795bc3cb74SMauro Carvalho Chehab 805bc3cb74SMauro Carvalho Chehab /* video4linux standard ID conversion to standard name 815bc3cb74SMauro Carvalho Chehab */ 825bc3cb74SMauro Carvalho Chehab const char *v4l2_norm_to_name(v4l2_std_id id) 835bc3cb74SMauro Carvalho Chehab { 845bc3cb74SMauro Carvalho Chehab u32 myid = id; 855bc3cb74SMauro Carvalho Chehab int i; 865bc3cb74SMauro Carvalho Chehab 875bc3cb74SMauro Carvalho Chehab /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle 884faf7066SMauro Carvalho Chehab 64 bit comparisons. So, on that architecture, with some gcc 895bc3cb74SMauro Carvalho Chehab variants, compilation fails. Currently, the max value is 30bit wide. 905bc3cb74SMauro Carvalho Chehab */ 915bc3cb74SMauro Carvalho Chehab BUG_ON(myid != id); 925bc3cb74SMauro Carvalho Chehab 935bc3cb74SMauro Carvalho Chehab for (i = 0; standards[i].std; i++) 945bc3cb74SMauro Carvalho Chehab if (myid == standards[i].std) 955bc3cb74SMauro Carvalho Chehab break; 965bc3cb74SMauro Carvalho Chehab return standards[i].descr; 975bc3cb74SMauro Carvalho Chehab } 985bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_norm_to_name); 995bc3cb74SMauro Carvalho Chehab 1005bc3cb74SMauro Carvalho Chehab /* Returns frame period for the given standard */ 1015bc3cb74SMauro Carvalho Chehab void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) 1025bc3cb74SMauro Carvalho Chehab { 1035bc3cb74SMauro Carvalho Chehab if (id & V4L2_STD_525_60) { 1045bc3cb74SMauro Carvalho Chehab frameperiod->numerator = 1001; 1055bc3cb74SMauro Carvalho Chehab frameperiod->denominator = 30000; 1065bc3cb74SMauro Carvalho Chehab } else { 1075bc3cb74SMauro Carvalho Chehab frameperiod->numerator = 1; 1085bc3cb74SMauro Carvalho Chehab frameperiod->denominator = 25; 1095bc3cb74SMauro Carvalho Chehab } 1105bc3cb74SMauro Carvalho Chehab } 1115bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_video_std_frame_period); 1125bc3cb74SMauro Carvalho Chehab 1135bc3cb74SMauro Carvalho Chehab /* Fill in the fields of a v4l2_standard structure according to the 1145bc3cb74SMauro Carvalho Chehab 'id' and 'transmission' parameters. Returns negative on error. */ 1155bc3cb74SMauro Carvalho Chehab int v4l2_video_std_construct(struct v4l2_standard *vs, 1165bc3cb74SMauro Carvalho Chehab int id, const char *name) 1175bc3cb74SMauro Carvalho Chehab { 1185bc3cb74SMauro Carvalho Chehab vs->id = id; 1195bc3cb74SMauro Carvalho Chehab v4l2_video_std_frame_period(id, &vs->frameperiod); 1205bc3cb74SMauro Carvalho Chehab vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; 121c0decac1SMauro Carvalho Chehab strscpy(vs->name, name, sizeof(vs->name)); 1225bc3cb74SMauro Carvalho Chehab return 0; 1235bc3cb74SMauro Carvalho Chehab } 1245bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_video_std_construct); 1255bc3cb74SMauro Carvalho Chehab 126aa2f8871SNiklas Söderlund /* Fill in the fields of a v4l2_standard structure according to the 127aa2f8871SNiklas Söderlund * 'id' and 'vs->index' parameters. Returns negative on error. */ 128aa2f8871SNiklas Söderlund int v4l_video_std_enumstd(struct v4l2_standard *vs, v4l2_std_id id) 129aa2f8871SNiklas Söderlund { 130aa2f8871SNiklas Söderlund v4l2_std_id curr_id = 0; 131aa2f8871SNiklas Söderlund unsigned int index = vs->index, i, j = 0; 132aa2f8871SNiklas Söderlund const char *descr = ""; 133aa2f8871SNiklas Söderlund 134aa2f8871SNiklas Söderlund /* Return -ENODATA if the id for the current input 135aa2f8871SNiklas Söderlund or output is 0, meaning that it doesn't support this API. */ 136aa2f8871SNiklas Söderlund if (id == 0) 137aa2f8871SNiklas Söderlund return -ENODATA; 138aa2f8871SNiklas Söderlund 139aa2f8871SNiklas Söderlund /* Return norm array in a canonical way */ 140aa2f8871SNiklas Söderlund for (i = 0; i <= index && id; i++) { 141aa2f8871SNiklas Söderlund /* last std value in the standards array is 0, so this 142aa2f8871SNiklas Söderlund while always ends there since (id & 0) == 0. */ 143aa2f8871SNiklas Söderlund while ((id & standards[j].std) != standards[j].std) 144aa2f8871SNiklas Söderlund j++; 145aa2f8871SNiklas Söderlund curr_id = standards[j].std; 146aa2f8871SNiklas Söderlund descr = standards[j].descr; 147aa2f8871SNiklas Söderlund j++; 148aa2f8871SNiklas Söderlund if (curr_id == 0) 149aa2f8871SNiklas Söderlund break; 150aa2f8871SNiklas Söderlund if (curr_id != V4L2_STD_PAL && 151aa2f8871SNiklas Söderlund curr_id != V4L2_STD_SECAM && 152aa2f8871SNiklas Söderlund curr_id != V4L2_STD_NTSC) 153aa2f8871SNiklas Söderlund id &= ~curr_id; 154aa2f8871SNiklas Söderlund } 155aa2f8871SNiklas Söderlund if (i <= index) 156aa2f8871SNiklas Söderlund return -EINVAL; 157aa2f8871SNiklas Söderlund 158aa2f8871SNiklas Söderlund v4l2_video_std_construct(vs, curr_id, descr); 159aa2f8871SNiklas Söderlund return 0; 160aa2f8871SNiklas Söderlund } 161aa2f8871SNiklas Söderlund 1625bc3cb74SMauro Carvalho Chehab /* ----------------------------------------------------------------- */ 1635bc3cb74SMauro Carvalho Chehab /* some arrays for pretty-printing debug messages of enum types */ 1645bc3cb74SMauro Carvalho Chehab 1655bc3cb74SMauro Carvalho Chehab const char *v4l2_field_names[] = { 1665bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_ANY] = "any", 1675bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_NONE] = "none", 1685bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_TOP] = "top", 1695bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_BOTTOM] = "bottom", 1705bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED] = "interlaced", 1715bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_SEQ_TB] = "seq-tb", 1725bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_SEQ_BT] = "seq-bt", 1735bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_ALTERNATE] = "alternate", 1745bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", 1755bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", 1765bc3cb74SMauro Carvalho Chehab }; 1775bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_field_names); 1785bc3cb74SMauro Carvalho Chehab 1795bc3cb74SMauro Carvalho Chehab const char *v4l2_type_names[] = { 180839aa56dSHans Verkuil [0] = "0", 1815bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", 1825bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", 1835bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", 1845bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", 1855bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", 1865bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", 1875bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", 1885bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", 1895bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane", 1905bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane", 1916f3073b8SAntti Palosaari [V4L2_BUF_TYPE_SDR_CAPTURE] = "sdr-cap", 1929effc72fSAntti Palosaari [V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out", 193fb9ffa6aSLaurent Pinchart [V4L2_BUF_TYPE_META_CAPTURE] = "meta-cap", 19472148d1aSSakari Ailus [V4L2_BUF_TYPE_META_OUTPUT] = "meta-out", 1955bc3cb74SMauro Carvalho Chehab }; 1965bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_type_names); 1975bc3cb74SMauro Carvalho Chehab 1985bc3cb74SMauro Carvalho Chehab static const char *v4l2_memory_names[] = { 1995bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_MMAP] = "mmap", 2005bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_USERPTR] = "userptr", 2015bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_OVERLAY] = "overlay", 202051c7788SSumit Semwal [V4L2_MEMORY_DMABUF] = "dmabuf", 2035bc3cb74SMauro Carvalho Chehab }; 2045bc3cb74SMauro Carvalho Chehab 205d9246240SHans Verkuil #define prt_names(a, arr) (((unsigned)(a)) < ARRAY_SIZE(arr) ? arr[a] : "unknown") 2065bc3cb74SMauro Carvalho Chehab 2075bc3cb74SMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 2085bc3cb74SMauro Carvalho Chehab /* debug help functions */ 2095bc3cb74SMauro Carvalho Chehab 2105bc3cb74SMauro Carvalho Chehab static void v4l_print_querycap(const void *arg, bool write_only) 2115bc3cb74SMauro Carvalho Chehab { 2125bc3cb74SMauro Carvalho Chehab const struct v4l2_capability *p = arg; 2135bc3cb74SMauro Carvalho Chehab 2148720427cSMauro Carvalho Chehab pr_cont("driver=%.*s, card=%.*s, bus=%.*s, version=0x%08x, capabilities=0x%08x, device_caps=0x%08x\n", 21527d5a87cSHans Verkuil (int)sizeof(p->driver), p->driver, 21627d5a87cSHans Verkuil (int)sizeof(p->card), p->card, 21727d5a87cSHans Verkuil (int)sizeof(p->bus_info), p->bus_info, 2185bc3cb74SMauro Carvalho Chehab p->version, p->capabilities, p->device_caps); 2195bc3cb74SMauro Carvalho Chehab } 2205bc3cb74SMauro Carvalho Chehab 2215bc3cb74SMauro Carvalho Chehab static void v4l_print_enuminput(const void *arg, bool write_only) 2225bc3cb74SMauro Carvalho Chehab { 2235bc3cb74SMauro Carvalho Chehab const struct v4l2_input *p = arg; 2245bc3cb74SMauro Carvalho Chehab 2258720427cSMauro Carvalho Chehab pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, tuner=%u, std=0x%08Lx, status=0x%x, capabilities=0x%x\n", 22627d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, 22727d5a87cSHans Verkuil p->tuner, (unsigned long long)p->std, p->status, 22827d5a87cSHans Verkuil p->capabilities); 2295bc3cb74SMauro Carvalho Chehab } 2305bc3cb74SMauro Carvalho Chehab 2315bc3cb74SMauro Carvalho Chehab static void v4l_print_enumoutput(const void *arg, bool write_only) 2325bc3cb74SMauro Carvalho Chehab { 2335bc3cb74SMauro Carvalho Chehab const struct v4l2_output *p = arg; 2345bc3cb74SMauro Carvalho Chehab 2358720427cSMauro Carvalho Chehab pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, modulator=%u, std=0x%08Lx, capabilities=0x%x\n", 23627d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, 23727d5a87cSHans Verkuil p->modulator, (unsigned long long)p->std, p->capabilities); 2385bc3cb74SMauro Carvalho Chehab } 2395bc3cb74SMauro Carvalho Chehab 2405bc3cb74SMauro Carvalho Chehab static void v4l_print_audio(const void *arg, bool write_only) 2415bc3cb74SMauro Carvalho Chehab { 2425bc3cb74SMauro Carvalho Chehab const struct v4l2_audio *p = arg; 2435bc3cb74SMauro Carvalho Chehab 2445bc3cb74SMauro Carvalho Chehab if (write_only) 2455bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, mode=0x%x\n", p->index, p->mode); 2465bc3cb74SMauro Carvalho Chehab else 24727d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", 24827d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, 24927d5a87cSHans Verkuil p->capability, p->mode); 2505bc3cb74SMauro Carvalho Chehab } 2515bc3cb74SMauro Carvalho Chehab 2525bc3cb74SMauro Carvalho Chehab static void v4l_print_audioout(const void *arg, bool write_only) 2535bc3cb74SMauro Carvalho Chehab { 2545bc3cb74SMauro Carvalho Chehab const struct v4l2_audioout *p = arg; 2555bc3cb74SMauro Carvalho Chehab 2565bc3cb74SMauro Carvalho Chehab if (write_only) 2575bc3cb74SMauro Carvalho Chehab pr_cont("index=%u\n", p->index); 2585bc3cb74SMauro Carvalho Chehab else 25927d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", 26027d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, 26127d5a87cSHans Verkuil p->capability, p->mode); 2625bc3cb74SMauro Carvalho Chehab } 2635bc3cb74SMauro Carvalho Chehab 2645bc3cb74SMauro Carvalho Chehab static void v4l_print_fmtdesc(const void *arg, bool write_only) 2655bc3cb74SMauro Carvalho Chehab { 2665bc3cb74SMauro Carvalho Chehab const struct v4l2_fmtdesc *p = arg; 2675bc3cb74SMauro Carvalho Chehab 268e927e1e0SSakari Ailus pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%p4cc, mbus_code=0x%04x, description='%.*s'\n", 2695bc3cb74SMauro Carvalho Chehab p->index, prt_names(p->type, v4l2_type_names), 270e927e1e0SSakari Ailus p->flags, &p->pixelformat, p->mbus_code, 27127d5a87cSHans Verkuil (int)sizeof(p->description), p->description); 2725bc3cb74SMauro Carvalho Chehab } 2735bc3cb74SMauro Carvalho Chehab 2745bc3cb74SMauro Carvalho Chehab static void v4l_print_format(const void *arg, bool write_only) 2755bc3cb74SMauro Carvalho Chehab { 2765bc3cb74SMauro Carvalho Chehab const struct v4l2_format *p = arg; 2775bc3cb74SMauro Carvalho Chehab const struct v4l2_pix_format *pix; 2785bc3cb74SMauro Carvalho Chehab const struct v4l2_pix_format_mplane *mp; 2795bc3cb74SMauro Carvalho Chehab const struct v4l2_vbi_format *vbi; 2805bc3cb74SMauro Carvalho Chehab const struct v4l2_sliced_vbi_format *sliced; 2815bc3cb74SMauro Carvalho Chehab const struct v4l2_window *win; 28287185c95SAntti Palosaari const struct v4l2_sdr_format *sdr; 283fb9ffa6aSLaurent Pinchart const struct v4l2_meta_format *meta; 2847fe9f01cSSakari Ailus u32 planes; 2855bc3cb74SMauro Carvalho Chehab unsigned i; 2865bc3cb74SMauro Carvalho Chehab 2875bc3cb74SMauro Carvalho Chehab pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); 2885bc3cb74SMauro Carvalho Chehab switch (p->type) { 2895bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 2905bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 2915bc3cb74SMauro Carvalho Chehab pix = &p->fmt.pix; 292e927e1e0SSakari Ailus pr_cont(", width=%u, height=%u, pixelformat=%p4cc, field=%s, bytesperline=%u, sizeimage=%u, colorspace=%d, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n", 293e927e1e0SSakari Ailus pix->width, pix->height, &pix->pixelformat, 2945bc3cb74SMauro Carvalho Chehab prt_names(pix->field, v4l2_field_names), 2955bc3cb74SMauro Carvalho Chehab pix->bytesperline, pix->sizeimage, 296736d96b5SHans Verkuil pix->colorspace, pix->flags, pix->ycbcr_enc, 29774fdcb2eSHans Verkuil pix->quantization, pix->xfer_func); 2985bc3cb74SMauro Carvalho Chehab break; 2995bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 3005bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 3015bc3cb74SMauro Carvalho Chehab mp = &p->fmt.pix_mp; 302e927e1e0SSakari Ailus pr_cont(", width=%u, height=%u, format=%p4cc, field=%s, colorspace=%d, num_planes=%u, flags=0x%x, ycbcr_enc=%u, quantization=%u, xfer_func=%u\n", 303e927e1e0SSakari Ailus mp->width, mp->height, &mp->pixelformat, 3045bc3cb74SMauro Carvalho Chehab prt_names(mp->field, v4l2_field_names), 305736d96b5SHans Verkuil mp->colorspace, mp->num_planes, mp->flags, 30674fdcb2eSHans Verkuil mp->ycbcr_enc, mp->quantization, mp->xfer_func); 3077fe9f01cSSakari Ailus planes = min_t(u32, mp->num_planes, VIDEO_MAX_PLANES); 3087fe9f01cSSakari Ailus for (i = 0; i < planes; i++) 3095bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, 3105bc3cb74SMauro Carvalho Chehab mp->plane_fmt[i].bytesperline, 3115bc3cb74SMauro Carvalho Chehab mp->plane_fmt[i].sizeimage); 3125bc3cb74SMauro Carvalho Chehab break; 3135bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 3145bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 3155bc3cb74SMauro Carvalho Chehab win = &p->fmt.win; 316560dde24SHans Verkuil /* Note: we can't print the clip list here since the clips 317560dde24SHans Verkuil * pointer is a userspace pointer, not a kernelspace 318560dde24SHans Verkuil * pointer. */ 319560dde24SHans Verkuil 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", 320560dde24SHans Verkuil win->w.width, win->w.height, win->w.left, win->w.top, 3215bc3cb74SMauro Carvalho Chehab prt_names(win->field, v4l2_field_names), 322560dde24SHans Verkuil win->chromakey, win->clipcount, win->clips, 323560dde24SHans Verkuil win->bitmap, win->global_alpha); 3245bc3cb74SMauro Carvalho Chehab break; 3255bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 3265bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 3275bc3cb74SMauro Carvalho Chehab vbi = &p->fmt.vbi; 328e927e1e0SSakari Ailus pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, sample_format=%p4cc, start=%u,%u, count=%u,%u\n", 3295bc3cb74SMauro Carvalho Chehab vbi->sampling_rate, vbi->offset, 330e927e1e0SSakari Ailus vbi->samples_per_line, &vbi->sample_format, 3315bc3cb74SMauro Carvalho Chehab vbi->start[0], vbi->start[1], 3325bc3cb74SMauro Carvalho Chehab vbi->count[0], vbi->count[1]); 3335bc3cb74SMauro Carvalho Chehab break; 3345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 3355bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 3365bc3cb74SMauro Carvalho Chehab sliced = &p->fmt.sliced; 3375bc3cb74SMauro Carvalho Chehab pr_cont(", service_set=0x%08x, io_size=%d\n", 3385bc3cb74SMauro Carvalho Chehab sliced->service_set, sliced->io_size); 3395bc3cb74SMauro Carvalho Chehab for (i = 0; i < 24; i++) 3405bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, 3415bc3cb74SMauro Carvalho Chehab sliced->service_lines[0][i], 3425bc3cb74SMauro Carvalho Chehab sliced->service_lines[1][i]); 3435bc3cb74SMauro Carvalho Chehab break; 344582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 3459effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 346582c52cbSAntti Palosaari sdr = &p->fmt.sdr; 347e927e1e0SSakari Ailus pr_cont(", pixelformat=%p4cc\n", &sdr->pixelformat); 348582c52cbSAntti Palosaari break; 349fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 35072148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 351fb9ffa6aSLaurent Pinchart meta = &p->fmt.meta; 352e927e1e0SSakari Ailus pr_cont(", dataformat=%p4cc, buffersize=%u\n", 353e927e1e0SSakari Ailus &meta->dataformat, meta->buffersize); 354fb9ffa6aSLaurent Pinchart break; 3555bc3cb74SMauro Carvalho Chehab } 3565bc3cb74SMauro Carvalho Chehab } 3575bc3cb74SMauro Carvalho Chehab 3585bc3cb74SMauro Carvalho Chehab static void v4l_print_framebuffer(const void *arg, bool write_only) 3595bc3cb74SMauro Carvalho Chehab { 3605bc3cb74SMauro Carvalho Chehab const struct v4l2_framebuffer *p = arg; 3615bc3cb74SMauro Carvalho Chehab 362e927e1e0SSakari Ailus pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, height=%u, pixelformat=%p4cc, bytesperline=%u, sizeimage=%u, colorspace=%d\n", 363e927e1e0SSakari Ailus p->capability, p->flags, p->base, p->fmt.width, p->fmt.height, 364e927e1e0SSakari Ailus &p->fmt.pixelformat, p->fmt.bytesperline, p->fmt.sizeimage, 3655bc3cb74SMauro Carvalho Chehab p->fmt.colorspace); 3665bc3cb74SMauro Carvalho Chehab } 3675bc3cb74SMauro Carvalho Chehab 3685bc3cb74SMauro Carvalho Chehab static void v4l_print_buftype(const void *arg, bool write_only) 3695bc3cb74SMauro Carvalho Chehab { 3705bc3cb74SMauro Carvalho Chehab pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names)); 3715bc3cb74SMauro Carvalho Chehab } 3725bc3cb74SMauro Carvalho Chehab 3735bc3cb74SMauro Carvalho Chehab static void v4l_print_modulator(const void *arg, bool write_only) 3745bc3cb74SMauro Carvalho Chehab { 3755bc3cb74SMauro Carvalho Chehab const struct v4l2_modulator *p = arg; 3765bc3cb74SMauro Carvalho Chehab 3775bc3cb74SMauro Carvalho Chehab if (write_only) 378560dde24SHans Verkuil pr_cont("index=%u, txsubchans=0x%x\n", p->index, p->txsubchans); 3795bc3cb74SMauro Carvalho Chehab else 3808720427cSMauro Carvalho Chehab pr_cont("index=%u, name=%.*s, capability=0x%x, rangelow=%u, rangehigh=%u, txsubchans=0x%x\n", 38127d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->capability, 3825bc3cb74SMauro Carvalho Chehab p->rangelow, p->rangehigh, p->txsubchans); 3835bc3cb74SMauro Carvalho Chehab } 3845bc3cb74SMauro Carvalho Chehab 3855bc3cb74SMauro Carvalho Chehab static void v4l_print_tuner(const void *arg, bool write_only) 3865bc3cb74SMauro Carvalho Chehab { 3875bc3cb74SMauro Carvalho Chehab const struct v4l2_tuner *p = arg; 3885bc3cb74SMauro Carvalho Chehab 3895bc3cb74SMauro Carvalho Chehab if (write_only) 3905bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, audmode=%u\n", p->index, p->audmode); 3915bc3cb74SMauro Carvalho Chehab else 3928720427cSMauro Carvalho Chehab pr_cont("index=%u, name=%.*s, type=%u, capability=0x%x, rangelow=%u, rangehigh=%u, signal=%u, afc=%d, rxsubchans=0x%x, audmode=%u\n", 39327d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, 3945bc3cb74SMauro Carvalho Chehab p->capability, p->rangelow, 3955bc3cb74SMauro Carvalho Chehab p->rangehigh, p->signal, p->afc, 3965bc3cb74SMauro Carvalho Chehab p->rxsubchans, p->audmode); 3975bc3cb74SMauro Carvalho Chehab } 3985bc3cb74SMauro Carvalho Chehab 3995bc3cb74SMauro Carvalho Chehab static void v4l_print_frequency(const void *arg, bool write_only) 4005bc3cb74SMauro Carvalho Chehab { 4015bc3cb74SMauro Carvalho Chehab const struct v4l2_frequency *p = arg; 4025bc3cb74SMauro Carvalho Chehab 4035bc3cb74SMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, frequency=%u\n", 4045bc3cb74SMauro Carvalho Chehab p->tuner, p->type, p->frequency); 4055bc3cb74SMauro Carvalho Chehab } 4065bc3cb74SMauro Carvalho Chehab 4075bc3cb74SMauro Carvalho Chehab static void v4l_print_standard(const void *arg, bool write_only) 4085bc3cb74SMauro Carvalho Chehab { 4095bc3cb74SMauro Carvalho Chehab const struct v4l2_standard *p = arg; 4105bc3cb74SMauro Carvalho Chehab 4118720427cSMauro Carvalho Chehab pr_cont("index=%u, id=0x%Lx, name=%.*s, fps=%u/%u, framelines=%u\n", 4128720427cSMauro Carvalho Chehab p->index, 41327d5a87cSHans Verkuil (unsigned long long)p->id, (int)sizeof(p->name), p->name, 4145bc3cb74SMauro Carvalho Chehab p->frameperiod.numerator, 4155bc3cb74SMauro Carvalho Chehab p->frameperiod.denominator, 4165bc3cb74SMauro Carvalho Chehab p->framelines); 4175bc3cb74SMauro Carvalho Chehab } 4185bc3cb74SMauro Carvalho Chehab 4195bc3cb74SMauro Carvalho Chehab static void v4l_print_std(const void *arg, bool write_only) 4205bc3cb74SMauro Carvalho Chehab { 4215bc3cb74SMauro Carvalho Chehab pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg); 4225bc3cb74SMauro Carvalho Chehab } 4235bc3cb74SMauro Carvalho Chehab 4245bc3cb74SMauro Carvalho Chehab static void v4l_print_hw_freq_seek(const void *arg, bool write_only) 4255bc3cb74SMauro Carvalho Chehab { 4265bc3cb74SMauro Carvalho Chehab const struct v4l2_hw_freq_seek *p = arg; 4275bc3cb74SMauro Carvalho Chehab 4288720427cSMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, rangelow=%u, rangehigh=%u\n", 42979e8c7beSMauro Carvalho Chehab p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing, 43079e8c7beSMauro Carvalho Chehab p->rangelow, p->rangehigh); 4315bc3cb74SMauro Carvalho Chehab } 4325bc3cb74SMauro Carvalho Chehab 4335bc3cb74SMauro Carvalho Chehab static void v4l_print_requestbuffers(const void *arg, bool write_only) 4345bc3cb74SMauro Carvalho Chehab { 4355bc3cb74SMauro Carvalho Chehab const struct v4l2_requestbuffers *p = arg; 4365bc3cb74SMauro Carvalho Chehab 4375bc3cb74SMauro Carvalho Chehab pr_cont("count=%d, type=%s, memory=%s\n", 4385bc3cb74SMauro Carvalho Chehab p->count, 4395bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 4405bc3cb74SMauro Carvalho Chehab prt_names(p->memory, v4l2_memory_names)); 4415bc3cb74SMauro Carvalho Chehab } 4425bc3cb74SMauro Carvalho Chehab 4435bc3cb74SMauro Carvalho Chehab static void v4l_print_buffer(const void *arg, bool write_only) 4445bc3cb74SMauro Carvalho Chehab { 4455bc3cb74SMauro Carvalho Chehab const struct v4l2_buffer *p = arg; 4465bc3cb74SMauro Carvalho Chehab const struct v4l2_timecode *tc = &p->timecode; 4475bc3cb74SMauro Carvalho Chehab const struct v4l2_plane *plane; 4485bc3cb74SMauro Carvalho Chehab int i; 4495bc3cb74SMauro Carvalho Chehab 45048e15418SHans Verkuil pr_cont("%02d:%02d:%02d.%06ld index=%d, type=%s, request_fd=%d, flags=0x%08x, field=%s, sequence=%d, memory=%s", 451577c89b0SArnd Bergmann (int)p->timestamp.tv_sec / 3600, 452577c89b0SArnd Bergmann ((int)p->timestamp.tv_sec / 60) % 60, 453577c89b0SArnd Bergmann ((int)p->timestamp.tv_sec % 60), 4545bc3cb74SMauro Carvalho Chehab (long)p->timestamp.tv_usec, 4555bc3cb74SMauro Carvalho Chehab p->index, 45662fed26fSHans Verkuil prt_names(p->type, v4l2_type_names), p->request_fd, 4575bc3cb74SMauro Carvalho Chehab p->flags, prt_names(p->field, v4l2_field_names), 4585bc3cb74SMauro Carvalho Chehab p->sequence, prt_names(p->memory, v4l2_memory_names)); 4595bc3cb74SMauro Carvalho Chehab 4605bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { 4615bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 4625bc3cb74SMauro Carvalho Chehab for (i = 0; i < p->length; ++i) { 4635bc3cb74SMauro Carvalho Chehab plane = &p->m.planes[i]; 4645bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG 4658720427cSMauro Carvalho Chehab "plane %d: bytesused=%d, data_offset=0x%08x, offset/userptr=0x%lx, length=%d\n", 4665bc3cb74SMauro Carvalho Chehab i, plane->bytesused, plane->data_offset, 4675bc3cb74SMauro Carvalho Chehab plane->m.userptr, plane->length); 4685bc3cb74SMauro Carvalho Chehab } 4695bc3cb74SMauro Carvalho Chehab } else { 470560dde24SHans Verkuil pr_cont(", bytesused=%d, offset/userptr=0x%lx, length=%d\n", 4715bc3cb74SMauro Carvalho Chehab p->bytesused, p->m.userptr, p->length); 4725bc3cb74SMauro Carvalho Chehab } 4735bc3cb74SMauro Carvalho Chehab 4748720427cSMauro Carvalho Chehab printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, flags=0x%08x, frames=%d, userbits=0x%08x\n", 4755bc3cb74SMauro Carvalho Chehab tc->hours, tc->minutes, tc->seconds, 4765bc3cb74SMauro Carvalho Chehab tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); 4775bc3cb74SMauro Carvalho Chehab } 4785bc3cb74SMauro Carvalho Chehab 479b799d09aSTomasz Stanislawski static void v4l_print_exportbuffer(const void *arg, bool write_only) 480b799d09aSTomasz Stanislawski { 481b799d09aSTomasz Stanislawski const struct v4l2_exportbuffer *p = arg; 482b799d09aSTomasz Stanislawski 483b799d09aSTomasz Stanislawski pr_cont("fd=%d, type=%s, index=%u, plane=%u, flags=0x%08x\n", 484b799d09aSTomasz Stanislawski p->fd, prt_names(p->type, v4l2_type_names), 485b799d09aSTomasz Stanislawski p->index, p->plane, p->flags); 486b799d09aSTomasz Stanislawski } 487b799d09aSTomasz Stanislawski 4885bc3cb74SMauro Carvalho Chehab static void v4l_print_create_buffers(const void *arg, bool write_only) 4895bc3cb74SMauro Carvalho Chehab { 4905bc3cb74SMauro Carvalho Chehab const struct v4l2_create_buffers *p = arg; 4915bc3cb74SMauro Carvalho Chehab 492319c4bd4SHelen Koike pr_cont("index=%d, count=%d, memory=%s, capabilities=0x%08x, ", 493319c4bd4SHelen Koike p->index, p->count, prt_names(p->memory, v4l2_memory_names), 494319c4bd4SHelen Koike p->capabilities); 4955bc3cb74SMauro Carvalho Chehab v4l_print_format(&p->format, write_only); 4965bc3cb74SMauro Carvalho Chehab } 4975bc3cb74SMauro Carvalho Chehab 4985bc3cb74SMauro Carvalho Chehab static void v4l_print_streamparm(const void *arg, bool write_only) 4995bc3cb74SMauro Carvalho Chehab { 5005bc3cb74SMauro Carvalho Chehab const struct v4l2_streamparm *p = arg; 5015bc3cb74SMauro Carvalho Chehab 5025bc3cb74SMauro Carvalho Chehab pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); 5035bc3cb74SMauro Carvalho Chehab 5045bc3cb74SMauro Carvalho Chehab if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || 5055bc3cb74SMauro Carvalho Chehab p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 5065bc3cb74SMauro Carvalho Chehab const struct v4l2_captureparm *c = &p->parm.capture; 5075bc3cb74SMauro Carvalho Chehab 5088720427cSMauro Carvalho Chehab pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, extendedmode=%d, readbuffers=%d\n", 5095bc3cb74SMauro Carvalho Chehab c->capability, c->capturemode, 5105bc3cb74SMauro Carvalho Chehab c->timeperframe.numerator, c->timeperframe.denominator, 5115bc3cb74SMauro Carvalho Chehab c->extendedmode, c->readbuffers); 5125bc3cb74SMauro Carvalho Chehab } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || 5135bc3cb74SMauro Carvalho Chehab p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 5145bc3cb74SMauro Carvalho Chehab const struct v4l2_outputparm *c = &p->parm.output; 5155bc3cb74SMauro Carvalho Chehab 5168720427cSMauro Carvalho Chehab pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, extendedmode=%d, writebuffers=%d\n", 5175bc3cb74SMauro Carvalho Chehab c->capability, c->outputmode, 5185bc3cb74SMauro Carvalho Chehab c->timeperframe.numerator, c->timeperframe.denominator, 5195bc3cb74SMauro Carvalho Chehab c->extendedmode, c->writebuffers); 520560dde24SHans Verkuil } else { 521560dde24SHans Verkuil pr_cont("\n"); 5225bc3cb74SMauro Carvalho Chehab } 5235bc3cb74SMauro Carvalho Chehab } 5245bc3cb74SMauro Carvalho Chehab 5255bc3cb74SMauro Carvalho Chehab static void v4l_print_queryctrl(const void *arg, bool write_only) 5265bc3cb74SMauro Carvalho Chehab { 5275bc3cb74SMauro Carvalho Chehab const struct v4l2_queryctrl *p = arg; 5285bc3cb74SMauro Carvalho Chehab 5298720427cSMauro Carvalho Chehab pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%d/%d, step=%d, default=%d, flags=0x%08x\n", 53027d5a87cSHans Verkuil p->id, p->type, (int)sizeof(p->name), p->name, 5315bc3cb74SMauro Carvalho Chehab p->minimum, p->maximum, 5325bc3cb74SMauro Carvalho Chehab p->step, p->default_value, p->flags); 5335bc3cb74SMauro Carvalho Chehab } 5345bc3cb74SMauro Carvalho Chehab 535e6bee368SHans Verkuil static void v4l_print_query_ext_ctrl(const void *arg, bool write_only) 536e6bee368SHans Verkuil { 537e6bee368SHans Verkuil const struct v4l2_query_ext_ctrl *p = arg; 538e6bee368SHans Verkuil 5398720427cSMauro Carvalho Chehab pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%lld/%lld, step=%lld, default=%lld, flags=0x%08x, elem_size=%u, elems=%u, nr_of_dims=%u, dims=%u,%u,%u,%u\n", 540e6bee368SHans Verkuil p->id, p->type, (int)sizeof(p->name), p->name, 541e6bee368SHans Verkuil p->minimum, p->maximum, 542e6bee368SHans Verkuil p->step, p->default_value, p->flags, 543e6bee368SHans Verkuil p->elem_size, p->elems, p->nr_of_dims, 5440176077aSHans Verkuil p->dims[0], p->dims[1], p->dims[2], p->dims[3]); 545e6bee368SHans Verkuil } 546e6bee368SHans Verkuil 5475bc3cb74SMauro Carvalho Chehab static void v4l_print_querymenu(const void *arg, bool write_only) 5485bc3cb74SMauro Carvalho Chehab { 5495bc3cb74SMauro Carvalho Chehab const struct v4l2_querymenu *p = arg; 5505bc3cb74SMauro Carvalho Chehab 5515bc3cb74SMauro Carvalho Chehab pr_cont("id=0x%x, index=%d\n", p->id, p->index); 5525bc3cb74SMauro Carvalho Chehab } 5535bc3cb74SMauro Carvalho Chehab 5545bc3cb74SMauro Carvalho Chehab static void v4l_print_control(const void *arg, bool write_only) 5555bc3cb74SMauro Carvalho Chehab { 5565bc3cb74SMauro Carvalho Chehab const struct v4l2_control *p = arg; 557a69a7a33SEzequiel Garcia const char *name = v4l2_ctrl_get_name(p->id); 5585bc3cb74SMauro Carvalho Chehab 559a69a7a33SEzequiel Garcia if (name) 560a69a7a33SEzequiel Garcia pr_cont("name=%s, ", name); 5615bc3cb74SMauro Carvalho Chehab pr_cont("id=0x%x, value=%d\n", p->id, p->value); 5625bc3cb74SMauro Carvalho Chehab } 5635bc3cb74SMauro Carvalho Chehab 5645bc3cb74SMauro Carvalho Chehab static void v4l_print_ext_controls(const void *arg, bool write_only) 5655bc3cb74SMauro Carvalho Chehab { 5665bc3cb74SMauro Carvalho Chehab const struct v4l2_ext_controls *p = arg; 5675bc3cb74SMauro Carvalho Chehab int i; 5685bc3cb74SMauro Carvalho Chehab 569f23317adSAlexandre Courbot pr_cont("which=0x%x, count=%d, error_idx=%d, request_fd=%d", 570f23317adSAlexandre Courbot p->which, p->count, p->error_idx, p->request_fd); 5715bc3cb74SMauro Carvalho Chehab for (i = 0; i < p->count; i++) { 572a69a7a33SEzequiel Garcia unsigned int id = p->controls[i].id; 573a69a7a33SEzequiel Garcia const char *name = v4l2_ctrl_get_name(id); 574a69a7a33SEzequiel Garcia 575a69a7a33SEzequiel Garcia if (name) 576a69a7a33SEzequiel Garcia pr_cont(", name=%s", name); 577017ab36aSHans Verkuil if (!p->controls[i].size) 578a69a7a33SEzequiel Garcia pr_cont(", id/val=0x%x/0x%x", id, p->controls[i].value); 5795bc3cb74SMauro Carvalho Chehab else 580a69a7a33SEzequiel Garcia pr_cont(", id/size=0x%x/%u", id, p->controls[i].size); 5815bc3cb74SMauro Carvalho Chehab } 5825bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 5835bc3cb74SMauro Carvalho Chehab } 5845bc3cb74SMauro Carvalho Chehab 5855bc3cb74SMauro Carvalho Chehab static void v4l_print_cropcap(const void *arg, bool write_only) 5865bc3cb74SMauro Carvalho Chehab { 5875bc3cb74SMauro Carvalho Chehab const struct v4l2_cropcap *p = arg; 5885bc3cb74SMauro Carvalho Chehab 5898720427cSMauro Carvalho Chehab pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, defrect wxh=%dx%d, x,y=%d,%d, pixelaspect %d/%d\n", 5905bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 5915bc3cb74SMauro Carvalho Chehab p->bounds.width, p->bounds.height, 5925bc3cb74SMauro Carvalho Chehab p->bounds.left, p->bounds.top, 5935bc3cb74SMauro Carvalho Chehab p->defrect.width, p->defrect.height, 5945bc3cb74SMauro Carvalho Chehab p->defrect.left, p->defrect.top, 5955bc3cb74SMauro Carvalho Chehab p->pixelaspect.numerator, p->pixelaspect.denominator); 5965bc3cb74SMauro Carvalho Chehab } 5975bc3cb74SMauro Carvalho Chehab 5985bc3cb74SMauro Carvalho Chehab static void v4l_print_crop(const void *arg, bool write_only) 5995bc3cb74SMauro Carvalho Chehab { 6005bc3cb74SMauro Carvalho Chehab const struct v4l2_crop *p = arg; 6015bc3cb74SMauro Carvalho Chehab 6025bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, wxh=%dx%d, x,y=%d,%d\n", 6035bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 6045bc3cb74SMauro Carvalho Chehab p->c.width, p->c.height, 6055bc3cb74SMauro Carvalho Chehab p->c.left, p->c.top); 6065bc3cb74SMauro Carvalho Chehab } 6075bc3cb74SMauro Carvalho Chehab 6085bc3cb74SMauro Carvalho Chehab static void v4l_print_selection(const void *arg, bool write_only) 6095bc3cb74SMauro Carvalho Chehab { 6105bc3cb74SMauro Carvalho Chehab const struct v4l2_selection *p = arg; 6115bc3cb74SMauro Carvalho Chehab 6125bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, target=%d, flags=0x%x, wxh=%dx%d, x,y=%d,%d\n", 6135bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 6145bc3cb74SMauro Carvalho Chehab p->target, p->flags, 6155bc3cb74SMauro Carvalho Chehab p->r.width, p->r.height, p->r.left, p->r.top); 6165bc3cb74SMauro Carvalho Chehab } 6175bc3cb74SMauro Carvalho Chehab 6185bc3cb74SMauro Carvalho Chehab static void v4l_print_jpegcompression(const void *arg, bool write_only) 6195bc3cb74SMauro Carvalho Chehab { 6205bc3cb74SMauro Carvalho Chehab const struct v4l2_jpegcompression *p = arg; 6215bc3cb74SMauro Carvalho Chehab 6228720427cSMauro Carvalho Chehab pr_cont("quality=%d, APPn=%d, APP_len=%d, COM_len=%d, jpeg_markers=0x%x\n", 6235bc3cb74SMauro Carvalho Chehab p->quality, p->APPn, p->APP_len, 6245bc3cb74SMauro Carvalho Chehab p->COM_len, p->jpeg_markers); 6255bc3cb74SMauro Carvalho Chehab } 6265bc3cb74SMauro Carvalho Chehab 6275bc3cb74SMauro Carvalho Chehab static void v4l_print_enc_idx(const void *arg, bool write_only) 6285bc3cb74SMauro Carvalho Chehab { 6295bc3cb74SMauro Carvalho Chehab const struct v4l2_enc_idx *p = arg; 6305bc3cb74SMauro Carvalho Chehab 6315bc3cb74SMauro Carvalho Chehab pr_cont("entries=%d, entries_cap=%d\n", 6325bc3cb74SMauro Carvalho Chehab p->entries, p->entries_cap); 6335bc3cb74SMauro Carvalho Chehab } 6345bc3cb74SMauro Carvalho Chehab 6355bc3cb74SMauro Carvalho Chehab static void v4l_print_encoder_cmd(const void *arg, bool write_only) 6365bc3cb74SMauro Carvalho Chehab { 6375bc3cb74SMauro Carvalho Chehab const struct v4l2_encoder_cmd *p = arg; 6385bc3cb74SMauro Carvalho Chehab 6395bc3cb74SMauro Carvalho Chehab pr_cont("cmd=%d, flags=0x%x\n", 6405bc3cb74SMauro Carvalho Chehab p->cmd, p->flags); 6415bc3cb74SMauro Carvalho Chehab } 6425bc3cb74SMauro Carvalho Chehab 6435bc3cb74SMauro Carvalho Chehab static void v4l_print_decoder_cmd(const void *arg, bool write_only) 6445bc3cb74SMauro Carvalho Chehab { 6455bc3cb74SMauro Carvalho Chehab const struct v4l2_decoder_cmd *p = arg; 6465bc3cb74SMauro Carvalho Chehab 6475bc3cb74SMauro Carvalho Chehab pr_cont("cmd=%d, flags=0x%x\n", p->cmd, p->flags); 6485bc3cb74SMauro Carvalho Chehab 6495bc3cb74SMauro Carvalho Chehab if (p->cmd == V4L2_DEC_CMD_START) 6505bc3cb74SMauro Carvalho Chehab pr_info("speed=%d, format=%u\n", 6515bc3cb74SMauro Carvalho Chehab p->start.speed, p->start.format); 6525bc3cb74SMauro Carvalho Chehab else if (p->cmd == V4L2_DEC_CMD_STOP) 6535bc3cb74SMauro Carvalho Chehab pr_info("pts=%llu\n", p->stop.pts); 6545bc3cb74SMauro Carvalho Chehab } 6555bc3cb74SMauro Carvalho Chehab 65696b03d2aSHans Verkuil static void v4l_print_dbg_chip_info(const void *arg, bool write_only) 65779b0c640SHans Verkuil { 65896b03d2aSHans Verkuil const struct v4l2_dbg_chip_info *p = arg; 65979b0c640SHans Verkuil 66079b0c640SHans Verkuil pr_cont("type=%u, ", p->match.type); 6613eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) 66279b0c640SHans Verkuil pr_cont("name=%.*s, ", 66379b0c640SHans Verkuil (int)sizeof(p->match.name), p->match.name); 66479b0c640SHans Verkuil else 66579b0c640SHans Verkuil pr_cont("addr=%u, ", p->match.addr); 66679b0c640SHans Verkuil pr_cont("name=%.*s\n", (int)sizeof(p->name), p->name); 66779b0c640SHans Verkuil } 66879b0c640SHans Verkuil 6695bc3cb74SMauro Carvalho Chehab static void v4l_print_dbg_register(const void *arg, bool write_only) 6705bc3cb74SMauro Carvalho Chehab { 6715bc3cb74SMauro Carvalho Chehab const struct v4l2_dbg_register *p = arg; 6725bc3cb74SMauro Carvalho Chehab 6735bc3cb74SMauro Carvalho Chehab pr_cont("type=%u, ", p->match.type); 6743eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) 67527d5a87cSHans Verkuil pr_cont("name=%.*s, ", 67627d5a87cSHans Verkuil (int)sizeof(p->match.name), p->match.name); 6775bc3cb74SMauro Carvalho Chehab else 6785bc3cb74SMauro Carvalho Chehab pr_cont("addr=%u, ", p->match.addr); 6795bc3cb74SMauro Carvalho Chehab pr_cont("reg=0x%llx, val=0x%llx\n", 6805bc3cb74SMauro Carvalho Chehab p->reg, p->val); 6815bc3cb74SMauro Carvalho Chehab } 6825bc3cb74SMauro Carvalho Chehab 6835bc3cb74SMauro Carvalho Chehab static void v4l_print_dv_timings(const void *arg, bool write_only) 6845bc3cb74SMauro Carvalho Chehab { 6855bc3cb74SMauro Carvalho Chehab const struct v4l2_dv_timings *p = arg; 6865bc3cb74SMauro Carvalho Chehab 6875bc3cb74SMauro Carvalho Chehab switch (p->type) { 6885bc3cb74SMauro Carvalho Chehab case V4L2_DV_BT_656_1120: 6898720427cSMauro Carvalho Chehab pr_cont("type=bt-656/1120, interlaced=%u, pixelclock=%llu, width=%u, height=%u, polarities=0x%x, hfrontporch=%u, hsync=%u, hbackporch=%u, vfrontporch=%u, vsync=%u, vbackporch=%u, il_vfrontporch=%u, il_vsync=%u, il_vbackporch=%u, standards=0x%x, flags=0x%x\n", 6905bc3cb74SMauro Carvalho Chehab p->bt.interlaced, p->bt.pixelclock, 6915bc3cb74SMauro Carvalho Chehab p->bt.width, p->bt.height, 6925bc3cb74SMauro Carvalho Chehab p->bt.polarities, p->bt.hfrontporch, 6935bc3cb74SMauro Carvalho Chehab p->bt.hsync, p->bt.hbackporch, 6945bc3cb74SMauro Carvalho Chehab p->bt.vfrontporch, p->bt.vsync, 6955bc3cb74SMauro Carvalho Chehab p->bt.vbackporch, p->bt.il_vfrontporch, 6965bc3cb74SMauro Carvalho Chehab p->bt.il_vsync, p->bt.il_vbackporch, 6975bc3cb74SMauro Carvalho Chehab p->bt.standards, p->bt.flags); 6985bc3cb74SMauro Carvalho Chehab break; 6995bc3cb74SMauro Carvalho Chehab default: 7005bc3cb74SMauro Carvalho Chehab pr_cont("type=%d\n", p->type); 7015bc3cb74SMauro Carvalho Chehab break; 7025bc3cb74SMauro Carvalho Chehab } 7035bc3cb74SMauro Carvalho Chehab } 7045bc3cb74SMauro Carvalho Chehab 7055bc3cb74SMauro Carvalho Chehab static void v4l_print_enum_dv_timings(const void *arg, bool write_only) 7065bc3cb74SMauro Carvalho Chehab { 7075bc3cb74SMauro Carvalho Chehab const struct v4l2_enum_dv_timings *p = arg; 7085bc3cb74SMauro Carvalho Chehab 7095bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, ", p->index); 7105bc3cb74SMauro Carvalho Chehab v4l_print_dv_timings(&p->timings, write_only); 7115bc3cb74SMauro Carvalho Chehab } 7125bc3cb74SMauro Carvalho Chehab 7135bc3cb74SMauro Carvalho Chehab static void v4l_print_dv_timings_cap(const void *arg, bool write_only) 7145bc3cb74SMauro Carvalho Chehab { 7155bc3cb74SMauro Carvalho Chehab const struct v4l2_dv_timings_cap *p = arg; 7165bc3cb74SMauro Carvalho Chehab 7175bc3cb74SMauro Carvalho Chehab switch (p->type) { 7185bc3cb74SMauro Carvalho Chehab case V4L2_DV_BT_656_1120: 7198720427cSMauro Carvalho Chehab pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n", 7205bc3cb74SMauro Carvalho Chehab p->bt.min_width, p->bt.max_width, 7215bc3cb74SMauro Carvalho Chehab p->bt.min_height, p->bt.max_height, 7225bc3cb74SMauro Carvalho Chehab p->bt.min_pixelclock, p->bt.max_pixelclock, 7235bc3cb74SMauro Carvalho Chehab p->bt.standards, p->bt.capabilities); 7245bc3cb74SMauro Carvalho Chehab break; 7255bc3cb74SMauro Carvalho Chehab default: 7265bc3cb74SMauro Carvalho Chehab pr_cont("type=%u\n", p->type); 7275bc3cb74SMauro Carvalho Chehab break; 7285bc3cb74SMauro Carvalho Chehab } 7295bc3cb74SMauro Carvalho Chehab } 7305bc3cb74SMauro Carvalho Chehab 7315bc3cb74SMauro Carvalho Chehab static void v4l_print_frmsizeenum(const void *arg, bool write_only) 7325bc3cb74SMauro Carvalho Chehab { 7335bc3cb74SMauro Carvalho Chehab const struct v4l2_frmsizeenum *p = arg; 7345bc3cb74SMauro Carvalho Chehab 735e927e1e0SSakari Ailus pr_cont("index=%u, pixelformat=%p4cc, type=%u", 736e927e1e0SSakari Ailus p->index, &p->pixel_format, p->type); 7375bc3cb74SMauro Carvalho Chehab switch (p->type) { 7385bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_DISCRETE: 739560dde24SHans Verkuil pr_cont(", wxh=%ux%u\n", 7405bc3cb74SMauro Carvalho Chehab p->discrete.width, p->discrete.height); 7415bc3cb74SMauro Carvalho Chehab break; 7425bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_STEPWISE: 743560dde24SHans Verkuil pr_cont(", min=%ux%u, max=%ux%u, step=%ux%u\n", 7442489477eSRicardo Ribalda p->stepwise.min_width, 7452489477eSRicardo Ribalda p->stepwise.min_height, 7462489477eSRicardo Ribalda p->stepwise.max_width, 7472489477eSRicardo Ribalda p->stepwise.max_height, 7482489477eSRicardo Ribalda p->stepwise.step_width, 7492489477eSRicardo Ribalda p->stepwise.step_height); 7505bc3cb74SMauro Carvalho Chehab break; 7515bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_CONTINUOUS: 7525bc3cb74SMauro Carvalho Chehab default: 7535bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 7545bc3cb74SMauro Carvalho Chehab break; 7555bc3cb74SMauro Carvalho Chehab } 7565bc3cb74SMauro Carvalho Chehab } 7575bc3cb74SMauro Carvalho Chehab 7585bc3cb74SMauro Carvalho Chehab static void v4l_print_frmivalenum(const void *arg, bool write_only) 7595bc3cb74SMauro Carvalho Chehab { 7605bc3cb74SMauro Carvalho Chehab const struct v4l2_frmivalenum *p = arg; 7615bc3cb74SMauro Carvalho Chehab 762e927e1e0SSakari Ailus pr_cont("index=%u, pixelformat=%p4cc, wxh=%ux%u, type=%u", 763e927e1e0SSakari Ailus p->index, &p->pixel_format, p->width, p->height, p->type); 7645bc3cb74SMauro Carvalho Chehab switch (p->type) { 7655bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_DISCRETE: 766560dde24SHans Verkuil pr_cont(", fps=%d/%d\n", 7675bc3cb74SMauro Carvalho Chehab p->discrete.numerator, 7685bc3cb74SMauro Carvalho Chehab p->discrete.denominator); 7695bc3cb74SMauro Carvalho Chehab break; 7705bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_STEPWISE: 771560dde24SHans Verkuil pr_cont(", min=%d/%d, max=%d/%d, step=%d/%d\n", 7725bc3cb74SMauro Carvalho Chehab p->stepwise.min.numerator, 7735bc3cb74SMauro Carvalho Chehab p->stepwise.min.denominator, 7745bc3cb74SMauro Carvalho Chehab p->stepwise.max.numerator, 7755bc3cb74SMauro Carvalho Chehab p->stepwise.max.denominator, 7765bc3cb74SMauro Carvalho Chehab p->stepwise.step.numerator, 7775bc3cb74SMauro Carvalho Chehab p->stepwise.step.denominator); 7785bc3cb74SMauro Carvalho Chehab break; 7795bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_CONTINUOUS: 7805bc3cb74SMauro Carvalho Chehab default: 7815bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 7825bc3cb74SMauro Carvalho Chehab break; 7835bc3cb74SMauro Carvalho Chehab } 7845bc3cb74SMauro Carvalho Chehab } 7855bc3cb74SMauro Carvalho Chehab 7865bc3cb74SMauro Carvalho Chehab static void v4l_print_event(const void *arg, bool write_only) 7875bc3cb74SMauro Carvalho Chehab { 7885bc3cb74SMauro Carvalho Chehab const struct v4l2_event *p = arg; 7895bc3cb74SMauro Carvalho Chehab const struct v4l2_event_ctrl *c; 7905bc3cb74SMauro Carvalho Chehab 7911a6c0b36SArnd Bergmann pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, timestamp=%llu.%9.9llu\n", 7925bc3cb74SMauro Carvalho Chehab p->type, p->pending, p->sequence, p->id, 7935bc3cb74SMauro Carvalho Chehab p->timestamp.tv_sec, p->timestamp.tv_nsec); 7945bc3cb74SMauro Carvalho Chehab switch (p->type) { 7955bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_VSYNC: 7965bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "field=%s\n", 7975bc3cb74SMauro Carvalho Chehab prt_names(p->u.vsync.field, v4l2_field_names)); 7985bc3cb74SMauro Carvalho Chehab break; 7995bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_CTRL: 8005bc3cb74SMauro Carvalho Chehab c = &p->u.ctrl; 8015bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "changes=0x%x, type=%u, ", 8025bc3cb74SMauro Carvalho Chehab c->changes, c->type); 8035bc3cb74SMauro Carvalho Chehab if (c->type == V4L2_CTRL_TYPE_INTEGER64) 8045bc3cb74SMauro Carvalho Chehab pr_cont("value64=%lld, ", c->value64); 8055bc3cb74SMauro Carvalho Chehab else 8065bc3cb74SMauro Carvalho Chehab pr_cont("value=%d, ", c->value); 8078720427cSMauro Carvalho Chehab pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, default_value=%d\n", 8085bc3cb74SMauro Carvalho Chehab c->flags, c->minimum, c->maximum, 8095bc3cb74SMauro Carvalho Chehab c->step, c->default_value); 8105bc3cb74SMauro Carvalho Chehab break; 8115bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_FRAME_SYNC: 8125bc3cb74SMauro Carvalho Chehab pr_cont("frame_sequence=%u\n", 8135bc3cb74SMauro Carvalho Chehab p->u.frame_sync.frame_sequence); 8145bc3cb74SMauro Carvalho Chehab break; 8155bc3cb74SMauro Carvalho Chehab } 8165bc3cb74SMauro Carvalho Chehab } 8175bc3cb74SMauro Carvalho Chehab 8185bc3cb74SMauro Carvalho Chehab static void v4l_print_event_subscription(const void *arg, bool write_only) 8195bc3cb74SMauro Carvalho Chehab { 8205bc3cb74SMauro Carvalho Chehab const struct v4l2_event_subscription *p = arg; 8215bc3cb74SMauro Carvalho Chehab 8225bc3cb74SMauro Carvalho Chehab pr_cont("type=0x%x, id=0x%x, flags=0x%x\n", 8235bc3cb74SMauro Carvalho Chehab p->type, p->id, p->flags); 8245bc3cb74SMauro Carvalho Chehab } 8255bc3cb74SMauro Carvalho Chehab 8265bc3cb74SMauro Carvalho Chehab static void v4l_print_sliced_vbi_cap(const void *arg, bool write_only) 8275bc3cb74SMauro Carvalho Chehab { 8285bc3cb74SMauro Carvalho Chehab const struct v4l2_sliced_vbi_cap *p = arg; 8295bc3cb74SMauro Carvalho Chehab int i; 8305bc3cb74SMauro Carvalho Chehab 8315bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, service_set=0x%08x\n", 8325bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), p->service_set); 8335bc3cb74SMauro Carvalho Chehab for (i = 0; i < 24; i++) 8345bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, 8355bc3cb74SMauro Carvalho Chehab p->service_lines[0][i], 8365bc3cb74SMauro Carvalho Chehab p->service_lines[1][i]); 8375bc3cb74SMauro Carvalho Chehab } 8385bc3cb74SMauro Carvalho Chehab 8395bc3cb74SMauro Carvalho Chehab static void v4l_print_freq_band(const void *arg, bool write_only) 8405bc3cb74SMauro Carvalho Chehab { 8415bc3cb74SMauro Carvalho Chehab const struct v4l2_frequency_band *p = arg; 8425bc3cb74SMauro Carvalho Chehab 8438720427cSMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, rangelow=%u, rangehigh=%u, modulation=0x%x\n", 8445bc3cb74SMauro Carvalho Chehab p->tuner, p->type, p->index, 8455bc3cb74SMauro Carvalho Chehab p->capability, p->rangelow, 8465bc3cb74SMauro Carvalho Chehab p->rangehigh, p->modulation); 8475bc3cb74SMauro Carvalho Chehab } 8485bc3cb74SMauro Carvalho Chehab 849dd519bb3SHans Verkuil static void v4l_print_edid(const void *arg, bool write_only) 850dd519bb3SHans Verkuil { 851dd519bb3SHans Verkuil const struct v4l2_edid *p = arg; 852dd519bb3SHans Verkuil 853dd519bb3SHans Verkuil pr_cont("pad=%u, start_block=%u, blocks=%u\n", 854dd519bb3SHans Verkuil p->pad, p->start_block, p->blocks); 855dd519bb3SHans Verkuil } 856dd519bb3SHans Verkuil 8575bc3cb74SMauro Carvalho Chehab static void v4l_print_u32(const void *arg, bool write_only) 8585bc3cb74SMauro Carvalho Chehab { 8595bc3cb74SMauro Carvalho Chehab pr_cont("value=%u\n", *(const u32 *)arg); 8605bc3cb74SMauro Carvalho Chehab } 8615bc3cb74SMauro Carvalho Chehab 8625bc3cb74SMauro Carvalho Chehab static void v4l_print_newline(const void *arg, bool write_only) 8635bc3cb74SMauro Carvalho Chehab { 8645bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 8655bc3cb74SMauro Carvalho Chehab } 8665bc3cb74SMauro Carvalho Chehab 8675bc3cb74SMauro Carvalho Chehab static void v4l_print_default(const void *arg, bool write_only) 8685bc3cb74SMauro Carvalho Chehab { 8695bc3cb74SMauro Carvalho Chehab pr_cont("driver-specific ioctl\n"); 8705bc3cb74SMauro Carvalho Chehab } 8715bc3cb74SMauro Carvalho Chehab 8725bc3cb74SMauro Carvalho Chehab static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) 8735bc3cb74SMauro Carvalho Chehab { 8745bc3cb74SMauro Carvalho Chehab __u32 i; 8755bc3cb74SMauro Carvalho Chehab 8765bc3cb74SMauro Carvalho Chehab /* zero the reserved fields */ 877f23317adSAlexandre Courbot c->reserved[0] = 0; 8785bc3cb74SMauro Carvalho Chehab for (i = 0; i < c->count; i++) 8795bc3cb74SMauro Carvalho Chehab c->controls[i].reserved2[0] = 0; 8805bc3cb74SMauro Carvalho Chehab 8815bc3cb74SMauro Carvalho Chehab /* V4L2_CID_PRIVATE_BASE cannot be used as control class 8825bc3cb74SMauro Carvalho Chehab when using extended controls. 8835bc3cb74SMauro Carvalho Chehab Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL 8845bc3cb74SMauro Carvalho Chehab is it allowed for backwards compatibility. 8855bc3cb74SMauro Carvalho Chehab */ 8860f8017beSRicardo Ribalda if (!allow_priv && c->which == V4L2_CID_PRIVATE_BASE) 8875bc3cb74SMauro Carvalho Chehab return 0; 8880f8017beSRicardo Ribalda if (!c->which) 8899b239b22SHans Verkuil return 1; 8905bc3cb74SMauro Carvalho Chehab /* Check that all controls are from the same control class. */ 8915bc3cb74SMauro Carvalho Chehab for (i = 0; i < c->count; i++) { 8920f8017beSRicardo Ribalda if (V4L2_CTRL_ID2WHICH(c->controls[i].id) != c->which) { 8935bc3cb74SMauro Carvalho Chehab c->error_idx = i; 8945bc3cb74SMauro Carvalho Chehab return 0; 8955bc3cb74SMauro Carvalho Chehab } 8965bc3cb74SMauro Carvalho Chehab } 8975bc3cb74SMauro Carvalho Chehab return 1; 8985bc3cb74SMauro Carvalho Chehab } 8995bc3cb74SMauro Carvalho Chehab 9004b20259fSHans Verkuil static int check_fmt(struct file *file, enum v4l2_buf_type type) 9015bc3cb74SMauro Carvalho Chehab { 90296f49c1aSVandana BN const u32 vid_caps = V4L2_CAP_VIDEO_CAPTURE | 90396f49c1aSVandana BN V4L2_CAP_VIDEO_CAPTURE_MPLANE | 90496f49c1aSVandana BN V4L2_CAP_VIDEO_OUTPUT | 90596f49c1aSVandana BN V4L2_CAP_VIDEO_OUTPUT_MPLANE | 90696f49c1aSVandana BN V4L2_CAP_VIDEO_M2M | V4L2_CAP_VIDEO_M2M_MPLANE; 90796f49c1aSVandana BN const u32 meta_caps = V4L2_CAP_META_CAPTURE | 90896f49c1aSVandana BN V4L2_CAP_META_OUTPUT; 9094b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 9104b20259fSHans Verkuil const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; 911238e4a5bSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_VIDEO && 91296f49c1aSVandana BN (vfd->device_caps & vid_caps); 9134b20259fSHans Verkuil bool is_vbi = vfd->vfl_type == VFL_TYPE_VBI; 914582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 915b2fe22d0SNick Dyer bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; 916238e4a5bSHans Verkuil bool is_meta = vfd->vfl_type == VFL_TYPE_VIDEO && 91796f49c1aSVandana BN (vfd->device_caps & meta_caps); 9184b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 9194b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 9204b20259fSHans Verkuil 9215bc3cb74SMauro Carvalho Chehab if (ops == NULL) 9225bc3cb74SMauro Carvalho Chehab return -EINVAL; 9235bc3cb74SMauro Carvalho Chehab 9245bc3cb74SMauro Carvalho Chehab switch (type) { 9255bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 926b2fe22d0SNick Dyer if ((is_vid || is_tch) && is_rx && 9274b20259fSHans Verkuil (ops->vidioc_g_fmt_vid_cap || ops->vidioc_g_fmt_vid_cap_mplane)) 9285bc3cb74SMauro Carvalho Chehab return 0; 9295bc3cb74SMauro Carvalho Chehab break; 9305bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 931095c21d3SHans Verkuil if ((is_vid || is_tch) && is_rx && ops->vidioc_g_fmt_vid_cap_mplane) 9325bc3cb74SMauro Carvalho Chehab return 0; 9335bc3cb74SMauro Carvalho Chehab break; 9345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 9354b20259fSHans Verkuil if (is_vid && is_rx && ops->vidioc_g_fmt_vid_overlay) 9365bc3cb74SMauro Carvalho Chehab return 0; 9375bc3cb74SMauro Carvalho Chehab break; 9385bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 9394b20259fSHans Verkuil if (is_vid && is_tx && 9404b20259fSHans Verkuil (ops->vidioc_g_fmt_vid_out || ops->vidioc_g_fmt_vid_out_mplane)) 9415bc3cb74SMauro Carvalho Chehab return 0; 9425bc3cb74SMauro Carvalho Chehab break; 9435bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 9444b20259fSHans Verkuil if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_mplane) 9455bc3cb74SMauro Carvalho Chehab return 0; 9465bc3cb74SMauro Carvalho Chehab break; 9475bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 9484b20259fSHans Verkuil if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_overlay) 9495bc3cb74SMauro Carvalho Chehab return 0; 9505bc3cb74SMauro Carvalho Chehab break; 9515bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 9524b20259fSHans Verkuil if (is_vbi && is_rx && ops->vidioc_g_fmt_vbi_cap) 9535bc3cb74SMauro Carvalho Chehab return 0; 9545bc3cb74SMauro Carvalho Chehab break; 9555bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 9564b20259fSHans Verkuil if (is_vbi && is_tx && ops->vidioc_g_fmt_vbi_out) 9575bc3cb74SMauro Carvalho Chehab return 0; 9585bc3cb74SMauro Carvalho Chehab break; 9595bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 9604b20259fSHans Verkuil if (is_vbi && is_rx && ops->vidioc_g_fmt_sliced_vbi_cap) 9615bc3cb74SMauro Carvalho Chehab return 0; 9625bc3cb74SMauro Carvalho Chehab break; 9635bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 9644b20259fSHans Verkuil if (is_vbi && is_tx && ops->vidioc_g_fmt_sliced_vbi_out) 9655bc3cb74SMauro Carvalho Chehab return 0; 9665bc3cb74SMauro Carvalho Chehab break; 967582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 968582c52cbSAntti Palosaari if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap) 969582c52cbSAntti Palosaari return 0; 970582c52cbSAntti Palosaari break; 9719effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 9729effc72fSAntti Palosaari if (is_sdr && is_tx && ops->vidioc_g_fmt_sdr_out) 9739effc72fSAntti Palosaari return 0; 9749effc72fSAntti Palosaari break; 975fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 97696f49c1aSVandana BN if (is_meta && is_rx && ops->vidioc_g_fmt_meta_cap) 977fb9ffa6aSLaurent Pinchart return 0; 978fb9ffa6aSLaurent Pinchart break; 97972148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 98096f49c1aSVandana BN if (is_meta && is_tx && ops->vidioc_g_fmt_meta_out) 98172148d1aSSakari Ailus return 0; 98272148d1aSSakari Ailus break; 983633c98e5SHans Verkuil default: 9845bc3cb74SMauro Carvalho Chehab break; 9855bc3cb74SMauro Carvalho Chehab } 9865bc3cb74SMauro Carvalho Chehab return -EINVAL; 9875bc3cb74SMauro Carvalho Chehab } 9885bc3cb74SMauro Carvalho Chehab 989d52e2381SLaurent Pinchart static void v4l_sanitize_format(struct v4l2_format *fmt) 990d52e2381SLaurent Pinchart { 991d52e2381SLaurent Pinchart unsigned int offset; 992d52e2381SLaurent Pinchart 99314c8e80eSEzequiel Garcia /* Make sure num_planes is not bogus */ 99414c8e80eSEzequiel Garcia if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || 99514c8e80eSEzequiel Garcia fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 99614c8e80eSEzequiel Garcia fmt->fmt.pix_mp.num_planes = min_t(u32, fmt->fmt.pix_mp.num_planes, 99714c8e80eSEzequiel Garcia VIDEO_MAX_PLANES); 99814c8e80eSEzequiel Garcia 999d52e2381SLaurent Pinchart /* 1000d52e2381SLaurent Pinchart * The v4l2_pix_format structure has been extended with fields that were 1001d52e2381SLaurent Pinchart * not previously required to be set to zero by applications. The priv 1002d52e2381SLaurent Pinchart * field, when set to a magic value, indicates the the extended fields 1003d52e2381SLaurent Pinchart * are valid. Otherwise they will contain undefined values. To simplify 1004d52e2381SLaurent Pinchart * the API towards drivers zero the extended fields and set the priv 1005d52e2381SLaurent Pinchart * field to the magic value when the extended pixel format structure 1006d52e2381SLaurent Pinchart * isn't used by applications. 1007d52e2381SLaurent Pinchart */ 1008d52e2381SLaurent Pinchart 1009d52e2381SLaurent Pinchart if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1010d52e2381SLaurent Pinchart fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 1011d52e2381SLaurent Pinchart return; 1012d52e2381SLaurent Pinchart 1013d52e2381SLaurent Pinchart if (fmt->fmt.pix.priv == V4L2_PIX_FMT_PRIV_MAGIC) 1014d52e2381SLaurent Pinchart return; 1015d52e2381SLaurent Pinchart 1016d52e2381SLaurent Pinchart fmt->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1017d52e2381SLaurent Pinchart 1018d52e2381SLaurent Pinchart offset = offsetof(struct v4l2_pix_format, priv) 1019d52e2381SLaurent Pinchart + sizeof(fmt->fmt.pix.priv); 1020d52e2381SLaurent Pinchart memset(((void *)&fmt->fmt.pix) + offset, 0, 1021d52e2381SLaurent Pinchart sizeof(fmt->fmt.pix) - offset); 1022d52e2381SLaurent Pinchart } 1023d52e2381SLaurent Pinchart 10245bc3cb74SMauro Carvalho Chehab static int v4l_querycap(const struct v4l2_ioctl_ops *ops, 10255bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10265bc3cb74SMauro Carvalho Chehab { 10275bc3cb74SMauro Carvalho Chehab struct v4l2_capability *cap = (struct v4l2_capability *)arg; 10287bbe7813SHans Verkuil struct video_device *vfd = video_devdata(file); 1029d52e2381SLaurent Pinchart int ret; 10305bc3cb74SMauro Carvalho Chehab 10315bc3cb74SMauro Carvalho Chehab cap->version = LINUX_VERSION_CODE; 10327bbe7813SHans Verkuil cap->device_caps = vfd->device_caps; 10337bbe7813SHans Verkuil cap->capabilities = vfd->device_caps | V4L2_CAP_DEVICE_CAPS; 1034d52e2381SLaurent Pinchart 1035d52e2381SLaurent Pinchart ret = ops->vidioc_querycap(file, fh, cap); 1036d52e2381SLaurent Pinchart 1037454a4e72SHans Verkuil /* 10383c135050SHans Verkuil * Drivers must not change device_caps, so check for this and 10393c135050SHans Verkuil * warn if this happened. 1040454a4e72SHans Verkuil */ 10413c135050SHans Verkuil WARN_ON(cap->device_caps != vfd->device_caps); 10423c135050SHans Verkuil /* 10433c135050SHans Verkuil * Check that capabilities is a superset of 10443c135050SHans Verkuil * vfd->device_caps | V4L2_CAP_DEVICE_CAPS 10453c135050SHans Verkuil */ 10463c135050SHans Verkuil WARN_ON((cap->capabilities & 10473c135050SHans Verkuil (vfd->device_caps | V4L2_CAP_DEVICE_CAPS)) != 10483c135050SHans Verkuil (vfd->device_caps | V4L2_CAP_DEVICE_CAPS)); 10493c135050SHans Verkuil cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT; 1050796a2bd2SHans Verkuil cap->device_caps |= V4L2_CAP_EXT_PIX_FORMAT; 1051d52e2381SLaurent Pinchart 1052d52e2381SLaurent Pinchart return ret; 10535bc3cb74SMauro Carvalho Chehab } 10545bc3cb74SMauro Carvalho Chehab 1055f645e625SNiklas Söderlund static int v4l_g_input(const struct v4l2_ioctl_ops *ops, 1056f645e625SNiklas Söderlund struct file *file, void *fh, void *arg) 1057f645e625SNiklas Söderlund { 1058f645e625SNiklas Söderlund struct video_device *vfd = video_devdata(file); 1059f645e625SNiklas Söderlund 1060f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) { 1061f645e625SNiklas Söderlund *(int *)arg = 0; 1062f645e625SNiklas Söderlund return 0; 1063f645e625SNiklas Söderlund } 1064f645e625SNiklas Söderlund 1065f645e625SNiklas Söderlund return ops->vidioc_g_input(file, fh, arg); 1066f645e625SNiklas Söderlund } 1067f645e625SNiklas Söderlund 1068f645e625SNiklas Söderlund static int v4l_g_output(const struct v4l2_ioctl_ops *ops, 1069f645e625SNiklas Söderlund struct file *file, void *fh, void *arg) 1070f645e625SNiklas Söderlund { 1071f645e625SNiklas Söderlund struct video_device *vfd = video_devdata(file); 1072f645e625SNiklas Söderlund 1073f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) { 1074f645e625SNiklas Söderlund *(int *)arg = 0; 1075f645e625SNiklas Söderlund return 0; 1076f645e625SNiklas Söderlund } 1077f645e625SNiklas Söderlund 1078f645e625SNiklas Söderlund return ops->vidioc_g_output(file, fh, arg); 1079f645e625SNiklas Söderlund } 1080f645e625SNiklas Söderlund 10815bc3cb74SMauro Carvalho Chehab static int v4l_s_input(const struct v4l2_ioctl_ops *ops, 10825bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10835bc3cb74SMauro Carvalho Chehab { 108477fa4e07SShuah Khan struct video_device *vfd = video_devdata(file); 108577fa4e07SShuah Khan int ret; 108677fa4e07SShuah Khan 108777fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 108877fa4e07SShuah Khan if (ret) 108977fa4e07SShuah Khan return ret; 1090f645e625SNiklas Söderlund 1091f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) 1092f645e625SNiklas Söderlund return *(int *)arg ? -EINVAL : 0; 1093f645e625SNiklas Söderlund 10945bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_input(file, fh, *(unsigned int *)arg); 10955bc3cb74SMauro Carvalho Chehab } 10965bc3cb74SMauro Carvalho Chehab 10975bc3cb74SMauro Carvalho Chehab static int v4l_s_output(const struct v4l2_ioctl_ops *ops, 10985bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10995bc3cb74SMauro Carvalho Chehab { 1100f645e625SNiklas Söderlund struct video_device *vfd = video_devdata(file); 1101f645e625SNiklas Söderlund 1102f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) 1103f645e625SNiklas Söderlund return *(int *)arg ? -EINVAL : 0; 1104f645e625SNiklas Söderlund 11055bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_output(file, fh, *(unsigned int *)arg); 11065bc3cb74SMauro Carvalho Chehab } 11075bc3cb74SMauro Carvalho Chehab 11085bc3cb74SMauro Carvalho Chehab static int v4l_g_priority(const struct v4l2_ioctl_ops *ops, 11095bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11105bc3cb74SMauro Carvalho Chehab { 11115bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 11125bc3cb74SMauro Carvalho Chehab u32 *p = arg; 11135bc3cb74SMauro Carvalho Chehab 11145bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 111559b702eaSLaurent Pinchart *p = v4l2_prio_max(vfd->prio); 11165bc3cb74SMauro Carvalho Chehab return 0; 11175bc3cb74SMauro Carvalho Chehab } 11185bc3cb74SMauro Carvalho Chehab 11195bc3cb74SMauro Carvalho Chehab static int v4l_s_priority(const struct v4l2_ioctl_ops *ops, 11205bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11215bc3cb74SMauro Carvalho Chehab { 11225bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 11235bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh; 11245bc3cb74SMauro Carvalho Chehab u32 *p = arg; 11255bc3cb74SMauro Carvalho Chehab 11265bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 11272438e78aSHans Verkuil if (!test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 11282438e78aSHans Verkuil return -ENOTTY; 11295bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 113059b702eaSLaurent Pinchart return v4l2_prio_change(vfd->prio, &vfh->prio, *p); 11315bc3cb74SMauro Carvalho Chehab } 11325bc3cb74SMauro Carvalho Chehab 11335bc3cb74SMauro Carvalho Chehab static int v4l_enuminput(const struct v4l2_ioctl_ops *ops, 11345bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11355bc3cb74SMauro Carvalho Chehab { 113673f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 11375bc3cb74SMauro Carvalho Chehab struct v4l2_input *p = arg; 11385bc3cb74SMauro Carvalho Chehab 11395bc3cb74SMauro Carvalho Chehab /* 114002fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 11415bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 11425bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 11435bc3cb74SMauro Carvalho Chehab * for a specific input, it must override these flags. 11445bc3cb74SMauro Carvalho Chehab */ 114573f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 11465bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_IN_CAP_STD; 11475bc3cb74SMauro Carvalho Chehab 1148f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) { 1149f645e625SNiklas Söderlund if (p->index) 1150f645e625SNiklas Söderlund return -EINVAL; 1151f645e625SNiklas Söderlund strscpy(p->name, vfd->name, sizeof(p->name)); 1152f645e625SNiklas Söderlund p->type = V4L2_INPUT_TYPE_CAMERA; 1153f645e625SNiklas Söderlund return 0; 1154f645e625SNiklas Söderlund } 1155f645e625SNiklas Söderlund 11565bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_input(file, fh, p); 11575bc3cb74SMauro Carvalho Chehab } 11585bc3cb74SMauro Carvalho Chehab 11595bc3cb74SMauro Carvalho Chehab static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops, 11605bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11615bc3cb74SMauro Carvalho Chehab { 116273f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 11635bc3cb74SMauro Carvalho Chehab struct v4l2_output *p = arg; 11645bc3cb74SMauro Carvalho Chehab 11655bc3cb74SMauro Carvalho Chehab /* 116602fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 11675bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 11685bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 11695bc3cb74SMauro Carvalho Chehab * for a specific output, it must override these flags. 11705bc3cb74SMauro Carvalho Chehab */ 117173f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 11725bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_OUT_CAP_STD; 11735bc3cb74SMauro Carvalho Chehab 1174f645e625SNiklas Söderlund if (vfd->device_caps & V4L2_CAP_IO_MC) { 1175f645e625SNiklas Söderlund if (p->index) 1176f645e625SNiklas Söderlund return -EINVAL; 1177f645e625SNiklas Söderlund strscpy(p->name, vfd->name, sizeof(p->name)); 1178f645e625SNiklas Söderlund p->type = V4L2_OUTPUT_TYPE_ANALOG; 1179f645e625SNiklas Söderlund return 0; 1180f645e625SNiklas Söderlund } 1181f645e625SNiklas Söderlund 11825bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_output(file, fh, p); 11835bc3cb74SMauro Carvalho Chehab } 11845bc3cb74SMauro Carvalho Chehab 1185ba300204SHans Verkuil static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 1186ba300204SHans Verkuil { 1187ba300204SHans Verkuil const unsigned sz = sizeof(fmt->description); 1188ba300204SHans Verkuil const char *descr = NULL; 1189ba300204SHans Verkuil u32 flags = 0; 1190ba300204SHans Verkuil 1191ba300204SHans Verkuil /* 1192ba300204SHans Verkuil * We depart from the normal coding style here since the descriptions 1193ba300204SHans Verkuil * should be aligned so it is easy to see which descriptions will be 1194ba300204SHans Verkuil * longer than 31 characters (the max length for a description). 1195ba300204SHans Verkuil * And frankly, this is easier to read anyway. 1196ba300204SHans Verkuil * 1197ba300204SHans Verkuil * Note that gcc will use O(log N) comparisons to find the right case. 1198ba300204SHans Verkuil */ 1199ba300204SHans Verkuil switch (fmt->pixelformat) { 1200ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1201ba300204SHans Verkuil case V4L2_PIX_FMT_RGB332: descr = "8-bit RGB 3-3-2"; break; 1202ba300204SHans Verkuil case V4L2_PIX_FMT_RGB444: descr = "16-bit A/XRGB 4-4-4-4"; break; 1203ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB444: descr = "16-bit ARGB 4-4-4-4"; break; 1204ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB444: descr = "16-bit XRGB 4-4-4-4"; break; 12054747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBA444: descr = "16-bit RGBA 4-4-4-4"; break; 12064747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBX444: descr = "16-bit RGBX 4-4-4-4"; break; 12074747bd0fSHans Verkuil case V4L2_PIX_FMT_ABGR444: descr = "16-bit ABGR 4-4-4-4"; break; 12084747bd0fSHans Verkuil case V4L2_PIX_FMT_XBGR444: descr = "16-bit XBGR 4-4-4-4"; break; 12094747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRA444: descr = "16-bit BGRA 4-4-4-4"; break; 12104747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRX444: descr = "16-bit BGRX 4-4-4-4"; break; 1211ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555: descr = "16-bit A/XRGB 1-5-5-5"; break; 1212ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555: descr = "16-bit ARGB 1-5-5-5"; break; 1213ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555: descr = "16-bit XRGB 1-5-5-5"; break; 12144747bd0fSHans Verkuil case V4L2_PIX_FMT_ABGR555: descr = "16-bit ABGR 1-5-5-5"; break; 12154747bd0fSHans Verkuil case V4L2_PIX_FMT_XBGR555: descr = "16-bit XBGR 1-5-5-5"; break; 12164747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBA555: descr = "16-bit RGBA 5-5-5-1"; break; 12174747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBX555: descr = "16-bit RGBX 5-5-5-1"; break; 12184747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRA555: descr = "16-bit BGRA 5-5-5-1"; break; 12194747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRX555: descr = "16-bit BGRX 5-5-5-1"; break; 1220ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565: descr = "16-bit RGB 5-6-5"; break; 1221ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555X: descr = "16-bit A/XRGB 1-5-5-5 BE"; break; 1222ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555X: descr = "16-bit ARGB 1-5-5-5 BE"; break; 1223ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555X: descr = "16-bit XRGB 1-5-5-5 BE"; break; 1224ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565X: descr = "16-bit RGB 5-6-5 BE"; break; 1225ba300204SHans Verkuil case V4L2_PIX_FMT_BGR666: descr = "18-bit BGRX 6-6-6-14"; break; 1226ba300204SHans Verkuil case V4L2_PIX_FMT_BGR24: descr = "24-bit BGR 8-8-8"; break; 1227ba300204SHans Verkuil case V4L2_PIX_FMT_RGB24: descr = "24-bit RGB 8-8-8"; break; 1228ba300204SHans Verkuil case V4L2_PIX_FMT_BGR32: descr = "32-bit BGRA/X 8-8-8-8"; break; 1229ba300204SHans Verkuil case V4L2_PIX_FMT_ABGR32: descr = "32-bit BGRA 8-8-8-8"; break; 1230ba300204SHans Verkuil case V4L2_PIX_FMT_XBGR32: descr = "32-bit BGRX 8-8-8-8"; break; 1231ba300204SHans Verkuil case V4L2_PIX_FMT_RGB32: descr = "32-bit A/XRGB 8-8-8-8"; break; 1232ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB32: descr = "32-bit ARGB 8-8-8-8"; break; 1233ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB32: descr = "32-bit XRGB 8-8-8-8"; break; 12344747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRA32: descr = "32-bit ABGR 8-8-8-8"; break; 12354747bd0fSHans Verkuil case V4L2_PIX_FMT_BGRX32: descr = "32-bit XBGR 8-8-8-8"; break; 12364747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBA32: descr = "32-bit RGBA 8-8-8-8"; break; 12374747bd0fSHans Verkuil case V4L2_PIX_FMT_RGBX32: descr = "32-bit RGBX 8-8-8-8"; break; 1238ba300204SHans Verkuil case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break; 1239ba300204SHans Verkuil case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break; 1240ba300204SHans Verkuil case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break; 1241ba300204SHans Verkuil case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break; 1242ba300204SHans Verkuil case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break; 1243ae9753a0SDaniel Glöckner case V4L2_PIX_FMT_Y14: descr = "14-bit Greyscale"; break; 1244ba300204SHans Verkuil case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; 12452e5e435fSRicardo Ribalda case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; 1246ba300204SHans Verkuil case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; 12476e15bec4STodor Tomov case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break; 12485b382290SLaurent Pinchart case V4L2_PIX_FMT_Y8I: descr = "Interleaved 8-bit Greyscale"; break; 12495b382290SLaurent Pinchart case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break; 12505b382290SLaurent Pinchart case V4L2_PIX_FMT_Z16: descr = "16-bit Depth"; break; 12515df082e2SEvgeni Raikhel case V4L2_PIX_FMT_INZI: descr = "Planar 10:16 Greyscale Depth"; break; 125292799ef7SSergey Dorodnicov case V4L2_PIX_FMT_CNF4: descr = "4-bit Depth Confidence (Packed)"; break; 1253ba300204SHans Verkuil case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break; 1254ba300204SHans Verkuil case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break; 1255ba300204SHans Verkuil case V4L2_PIX_FMT_YVU410: descr = "Planar YVU 4:1:0"; break; 1256ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420: descr = "Planar YVU 4:2:0"; break; 1257ba300204SHans Verkuil case V4L2_PIX_FMT_YUYV: descr = "YUYV 4:2:2"; break; 1258ba300204SHans Verkuil case V4L2_PIX_FMT_YYUV: descr = "YYUV 4:2:2"; break; 1259ba300204SHans Verkuil case V4L2_PIX_FMT_YVYU: descr = "YVYU 4:2:2"; break; 1260ba300204SHans Verkuil case V4L2_PIX_FMT_UYVY: descr = "UYVY 4:2:2"; break; 1261ba300204SHans Verkuil case V4L2_PIX_FMT_VYUY: descr = "VYUY 4:2:2"; break; 1262fcbafafbSPhilipp Zabel case V4L2_PIX_FMT_YUV422P: descr = "Planar YUV 4:2:2"; break; 1263ba300204SHans Verkuil case V4L2_PIX_FMT_YUV411P: descr = "Planar YUV 4:1:1"; break; 1264ba300204SHans Verkuil case V4L2_PIX_FMT_Y41P: descr = "YUV 4:1:1 (Packed)"; break; 1265ba300204SHans Verkuil case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break; 1266ba300204SHans Verkuil case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; 1267ba300204SHans Verkuil case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; 12680376a51fSMirela Rabulea case V4L2_PIX_FMT_YUV24: descr = "24-bit YUV 4:4:4 8-8-8"; break; 1269ba300204SHans Verkuil case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; 1270a7fe4ca7SVivek Kasireddy case V4L2_PIX_FMT_AYUV32: descr = "32-bit AYUV 8-8-8-8"; break; 1271a7fe4ca7SVivek Kasireddy case V4L2_PIX_FMT_XYUV32: descr = "32-bit XYUV 8-8-8-8"; break; 1272a7fe4ca7SVivek Kasireddy case V4L2_PIX_FMT_VUYA32: descr = "32-bit VUYA 8-8-8-8"; break; 1273a7fe4ca7SVivek Kasireddy case V4L2_PIX_FMT_VUYX32: descr = "32-bit VUYX 8-8-8-8"; break; 1274ba300204SHans Verkuil case V4L2_PIX_FMT_YUV410: descr = "Planar YUV 4:1:0"; break; 1275ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break; 1276ba300204SHans Verkuil case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break; 1277ba300204SHans Verkuil case V4L2_PIX_FMT_HM12: descr = "YUV 4:2:0 (16x16 Macroblocks)"; break; 1278ba300204SHans Verkuil case V4L2_PIX_FMT_M420: descr = "YUV 4:2:0 (M420)"; break; 1279ba300204SHans Verkuil case V4L2_PIX_FMT_NV12: descr = "Y/CbCr 4:2:0"; break; 1280ba300204SHans Verkuil case V4L2_PIX_FMT_NV21: descr = "Y/CrCb 4:2:0"; break; 1281ba300204SHans Verkuil case V4L2_PIX_FMT_NV16: descr = "Y/CbCr 4:2:2"; break; 1282ba300204SHans Verkuil case V4L2_PIX_FMT_NV61: descr = "Y/CrCb 4:2:2"; break; 1283ba300204SHans Verkuil case V4L2_PIX_FMT_NV24: descr = "Y/CbCr 4:4:4"; break; 1284ba300204SHans Verkuil case V4L2_PIX_FMT_NV42: descr = "Y/CrCb 4:4:4"; break; 1285ba300204SHans Verkuil case V4L2_PIX_FMT_NV12M: descr = "Y/CbCr 4:2:0 (N-C)"; break; 1286ba300204SHans Verkuil case V4L2_PIX_FMT_NV21M: descr = "Y/CrCb 4:2:0 (N-C)"; break; 1287ba300204SHans Verkuil case V4L2_PIX_FMT_NV16M: descr = "Y/CbCr 4:2:2 (N-C)"; break; 1288ba300204SHans Verkuil case V4L2_PIX_FMT_NV61M: descr = "Y/CrCb 4:2:2 (N-C)"; break; 1289ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT: descr = "Y/CbCr 4:2:0 (64x32 MB, N-C)"; break; 1290ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT_16X16: descr = "Y/CbCr 4:2:0 (16x16 MB, N-C)"; break; 1291ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420M: descr = "Planar YUV 4:2:0 (N-C)"; break; 1292ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420M: descr = "Planar YVU 4:2:0 (N-C)"; break; 1293d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV422M: descr = "Planar YUV 4:2:2 (N-C)"; break; 1294d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU422M: descr = "Planar YVU 4:2:2 (N-C)"; break; 1295d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV444M: descr = "Planar YUV 4:4:4 (N-C)"; break; 1296d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU444M: descr = "Planar YVU 4:4:4 (N-C)"; break; 1297ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR8: descr = "8-bit Bayer BGBG/GRGR"; break; 1298ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG8: descr = "8-bit Bayer GBGB/RGRG"; break; 1299ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG8: descr = "8-bit Bayer GRGR/BGBG"; break; 1300ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB8: descr = "8-bit Bayer RGRG/GBGB"; break; 1301ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10: descr = "10-bit Bayer BGBG/GRGR"; break; 1302ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10: descr = "10-bit Bayer GBGB/RGRG"; break; 1303ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10: descr = "10-bit Bayer GRGR/BGBG"; break; 1304ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10: descr = "10-bit Bayer RGRG/GBGB"; break; 1305ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10P: descr = "10-bit Bayer BGBG/GRGR Packed"; break; 1306ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10P: descr = "10-bit Bayer GBGB/RGRG Packed"; break; 1307ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10P: descr = "10-bit Bayer GRGR/BGBG Packed"; break; 1308ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10P: descr = "10-bit Bayer RGRG/GBGB Packed"; break; 1309e8391b76SYong Zhi case V4L2_PIX_FMT_IPU3_SBGGR10: descr = "10-bit bayer BGGR IPU3 Packed"; break; 1310e8391b76SYong Zhi case V4L2_PIX_FMT_IPU3_SGBRG10: descr = "10-bit bayer GBRG IPU3 Packed"; break; 1311e8391b76SYong Zhi case V4L2_PIX_FMT_IPU3_SGRBG10: descr = "10-bit bayer GRBG IPU3 Packed"; break; 1312e8391b76SYong Zhi case V4L2_PIX_FMT_IPU3_SRGGB10: descr = "10-bit bayer RGGB IPU3 Packed"; break; 1313ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10ALAW8: descr = "8-bit Bayer BGBG/GRGR (A-law)"; break; 1314ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10ALAW8: descr = "8-bit Bayer GBGB/RGRG (A-law)"; break; 1315ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10ALAW8: descr = "8-bit Bayer GRGR/BGBG (A-law)"; break; 1316ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10ALAW8: descr = "8-bit Bayer RGRG/GBGB (A-law)"; break; 1317ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10DPCM8: descr = "8-bit Bayer BGBG/GRGR (DPCM)"; break; 1318ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10DPCM8: descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break; 1319ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10DPCM8: descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break; 1320ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10DPCM8: descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break; 1321d1b3437eSSakari Ailus case V4L2_PIX_FMT_SBGGR12: descr = "12-bit Bayer BGBG/GRGR"; break; 1322d1b3437eSSakari Ailus case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break; 1323d1b3437eSSakari Ailus case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break; 1324d1b3437eSSakari Ailus case V4L2_PIX_FMT_SRGGB12: descr = "12-bit Bayer RGRG/GBGB"; break; 1325d1b3437eSSakari Ailus case V4L2_PIX_FMT_SBGGR12P: descr = "12-bit Bayer BGBG/GRGR Packed"; break; 1326d1b3437eSSakari Ailus case V4L2_PIX_FMT_SGBRG12P: descr = "12-bit Bayer GBGB/RGRG Packed"; break; 1327d1b3437eSSakari Ailus case V4L2_PIX_FMT_SGRBG12P: descr = "12-bit Bayer GRGR/BGBG Packed"; break; 1328d1b3437eSSakari Ailus case V4L2_PIX_FMT_SRGGB12P: descr = "12-bit Bayer RGRG/GBGB Packed"; break; 1329d12127edSSakari Ailus case V4L2_PIX_FMT_SBGGR14: descr = "14-bit Bayer BGBG/GRGR"; break; 1330d12127edSSakari Ailus case V4L2_PIX_FMT_SGBRG14: descr = "14-bit Bayer GBGB/RGRG"; break; 1331d12127edSSakari Ailus case V4L2_PIX_FMT_SGRBG14: descr = "14-bit Bayer GRGR/BGBG"; break; 1332d12127edSSakari Ailus case V4L2_PIX_FMT_SRGGB14: descr = "14-bit Bayer RGRG/GBGB"; break; 133383b15832SSakari Ailus case V4L2_PIX_FMT_SBGGR14P: descr = "14-bit Bayer BGBG/GRGR Packed"; break; 133483b15832SSakari Ailus case V4L2_PIX_FMT_SGBRG14P: descr = "14-bit Bayer GBGB/RGRG Packed"; break; 133583b15832SSakari Ailus case V4L2_PIX_FMT_SGRBG14P: descr = "14-bit Bayer GRGR/BGBG Packed"; break; 133683b15832SSakari Ailus case V4L2_PIX_FMT_SRGGB14P: descr = "14-bit Bayer RGRG/GBGB Packed"; break; 1337b9a4b13cSSakari Ailus case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR"; break; 1338b9a4b13cSSakari Ailus case V4L2_PIX_FMT_SGBRG16: descr = "16-bit Bayer GBGB/RGRG"; break; 1339b9a4b13cSSakari Ailus case V4L2_PIX_FMT_SGRBG16: descr = "16-bit Bayer GRGR/BGBG"; break; 1340b9a4b13cSSakari Ailus case V4L2_PIX_FMT_SRGGB16: descr = "16-bit Bayer RGRG/GBGB"; break; 134199b74277SMauro Carvalho Chehab case V4L2_PIX_FMT_SN9C20X_I420: descr = "GSPCA SN9C20X I420"; break; 1342ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA501: descr = "GSPCA SPCA501"; break; 1343ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA505: descr = "GSPCA SPCA505"; break; 1344ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA508: descr = "GSPCA SPCA508"; break; 1345ba300204SHans Verkuil case V4L2_PIX_FMT_STV0680: descr = "GSPCA STV0680"; break; 1346ba300204SHans Verkuil case V4L2_PIX_FMT_TM6000: descr = "A/V + VBI Mux Packet"; break; 1347ba300204SHans Verkuil case V4L2_PIX_FMT_CIT_YYVYUY: descr = "GSPCA CIT YYVYUY"; break; 1348ba300204SHans Verkuil case V4L2_PIX_FMT_KONICA420: descr = "GSPCA KONICA420"; break; 134966b2ab27SRicardo Ribalda Delgado case V4L2_PIX_FMT_HSV24: descr = "24-bit HSV 8-8-8"; break; 135066b2ab27SRicardo Ribalda Delgado case V4L2_PIX_FMT_HSV32: descr = "32-bit XHSV 8-8-8-8"; break; 135148fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU8: descr = "Complex U8"; break; 135248fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU16LE: descr = "Complex U16LE"; break; 1353ba300204SHans Verkuil case V4L2_SDR_FMT_CS8: descr = "Complex S8"; break; 1354ba300204SHans Verkuil case V4L2_SDR_FMT_CS14LE: descr = "Complex S14LE"; break; 1355ba300204SHans Verkuil case V4L2_SDR_FMT_RU12LE: descr = "Real U12LE"; break; 1356c28f2118SRamesh Shanmugasundaram case V4L2_SDR_FMT_PCU16BE: descr = "Planar Complex U16BE"; break; 1357c28f2118SRamesh Shanmugasundaram case V4L2_SDR_FMT_PCU18BE: descr = "Planar Complex U18BE"; break; 1358c28f2118SRamesh Shanmugasundaram case V4L2_SDR_FMT_PCU20BE: descr = "Planar Complex U20BE"; break; 13594747bd0fSHans Verkuil case V4L2_TCH_FMT_DELTA_TD16: descr = "16-bit Signed Deltas"; break; 13604747bd0fSHans Verkuil case V4L2_TCH_FMT_DELTA_TD08: descr = "8-bit Signed Deltas"; break; 13614747bd0fSHans Verkuil case V4L2_TCH_FMT_TU16: descr = "16-bit Unsigned Touch Data"; break; 13624747bd0fSHans Verkuil case V4L2_TCH_FMT_TU08: descr = "8-bit Unsigned Touch Data"; break; 136314d66538SLaurent Pinchart case V4L2_META_FMT_VSP1_HGO: descr = "R-Car VSP1 1-D Histogram"; break; 13645deb1c04SNiklas Söderlund case V4L2_META_FMT_VSP1_HGT: descr = "R-Car VSP1 2-D Histogram"; break; 13654747bd0fSHans Verkuil case V4L2_META_FMT_UVC: descr = "UVC Payload Header Metadata"; break; 13664747bd0fSHans Verkuil case V4L2_META_FMT_D4XX: descr = "Intel D4xx UVC Metadata"; break; 136778892b6bSVandana BN case V4L2_META_FMT_VIVID: descr = "Vivid Metadata"; break; 1368df22026aSShunqian Zheng case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A Parameters"; break; 1369df22026aSShunqian Zheng case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A Statistics"; break; 1370ba300204SHans Verkuil 1371ba300204SHans Verkuil default: 1372ba300204SHans Verkuil /* Compressed formats */ 1373ba300204SHans Verkuil flags = V4L2_FMT_FLAG_COMPRESSED; 1374ba300204SHans Verkuil switch (fmt->pixelformat) { 1375ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1376ba300204SHans Verkuil case V4L2_PIX_FMT_MJPEG: descr = "Motion-JPEG"; break; 1377ba300204SHans Verkuil case V4L2_PIX_FMT_JPEG: descr = "JFIF JPEG"; break; 1378ba300204SHans Verkuil case V4L2_PIX_FMT_DV: descr = "1394"; break; 1379ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG: descr = "MPEG-1/2/4"; break; 1380ba300204SHans Verkuil case V4L2_PIX_FMT_H264: descr = "H.264"; break; 1381ba300204SHans Verkuil case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break; 1382ba300204SHans Verkuil case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break; 13837bb3c32aSEzequiel Garcia case V4L2_PIX_FMT_H264_SLICE: descr = "H.264 Parsed Slice Data"; break; 1384ba300204SHans Verkuil case V4L2_PIX_FMT_H263: descr = "H.263"; break; 1385ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break; 1386ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break; 1387c27bb30eSPaul Kocialkowski case V4L2_PIX_FMT_MPEG2_SLICE: descr = "MPEG-2 Parsed Slice Data"; break; 13884747bd0fSHans Verkuil case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 Part 2 ES"; break; 1389ba300204SHans Verkuil case V4L2_PIX_FMT_XVID: descr = "Xvid"; break; 1390ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_G: descr = "VC-1 (SMPTE 412M Annex G)"; break; 1391ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break; 1392ba300204SHans Verkuil case V4L2_PIX_FMT_VP8: descr = "VP8"; break; 1393a57d6acaSPawel Osciak case V4L2_PIX_FMT_VP8_FRAME: descr = "VP8 Frame"; break; 1394fa14a564SWu-Cheng Li case V4L2_PIX_FMT_VP9: descr = "VP9"; break; 13951c791727SSmitha T Murthy case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */ 1396256fa392SPaul Kocialkowski case V4L2_PIX_FMT_HEVC_SLICE: descr = "HEVC Parsed Slice Data"; break; 139762c3fce0SHans Verkuil case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */ 1398f05a51b9SHans Verkuil case V4L2_PIX_FMT_FWHT_STATELESS: descr = "FWHT Stateless"; break; /* used in vicodec */ 1399ba300204SHans Verkuil case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; 1400ba300204SHans Verkuil case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; 1401ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; 1402ba300204SHans Verkuil case V4L2_PIX_FMT_PWC1: descr = "Raw Philips Webcam Type (Old)"; break; 1403ba300204SHans Verkuil case V4L2_PIX_FMT_PWC2: descr = "Raw Philips Webcam Type (New)"; break; 1404ba300204SHans Verkuil case V4L2_PIX_FMT_ET61X251: descr = "GSPCA ET61X251"; break; 1405ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA561: descr = "GSPCA SPCA561"; break; 1406ba300204SHans Verkuil case V4L2_PIX_FMT_PAC207: descr = "GSPCA PAC207"; break; 1407ba300204SHans Verkuil case V4L2_PIX_FMT_MR97310A: descr = "GSPCA MR97310A"; break; 1408ba300204SHans Verkuil case V4L2_PIX_FMT_JL2005BCD: descr = "GSPCA JL2005BCD"; break; 1409ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C2028: descr = "GSPCA SN9C2028"; break; 1410ba300204SHans Verkuil case V4L2_PIX_FMT_SQ905C: descr = "GSPCA SQ905C"; break; 1411ba300204SHans Verkuil case V4L2_PIX_FMT_PJPG: descr = "GSPCA PJPG"; break; 1412ba300204SHans Verkuil case V4L2_PIX_FMT_OV511: descr = "GSPCA OV511"; break; 1413ba300204SHans Verkuil case V4L2_PIX_FMT_OV518: descr = "GSPCA OV518"; break; 1414ba300204SHans Verkuil case V4L2_PIX_FMT_JPGL: descr = "JPEG Lite"; break; 1415ba300204SHans Verkuil case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; 1416ba300204SHans Verkuil case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; 1417d4de6634STiffany Lin case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break; 141836cf35b7SPaul Kocialkowski case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break; 1419ba300204SHans Verkuil default: 1420ba300204SHans Verkuil if (fmt->description[0]) 1421ba300204SHans Verkuil return; 1422c2286cc0SSakari Ailus WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); 1423ba300204SHans Verkuil flags = 0; 1424e927e1e0SSakari Ailus snprintf(fmt->description, sz, "%p4cc", 1425e927e1e0SSakari Ailus &fmt->pixelformat); 1426ba300204SHans Verkuil break; 1427ba300204SHans Verkuil } 1428ba300204SHans Verkuil } 1429ba300204SHans Verkuil 1430ba300204SHans Verkuil if (descr) 1431e7dd89ceSHans Petter Selasky WARN_ON(strscpy(fmt->description, descr, sz) < 0); 14327c490e25SHans Verkuil fmt->flags |= flags; 1433ba300204SHans Verkuil } 1434ba300204SHans Verkuil 14355bc3cb74SMauro Carvalho Chehab static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, 14365bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 14375bc3cb74SMauro Carvalho Chehab { 14387e98b7b5SBoris Brezillon struct video_device *vdev = video_devdata(file); 14395bc3cb74SMauro Carvalho Chehab struct v4l2_fmtdesc *p = arg; 1440b2469c81SHans Verkuil int ret = check_fmt(file, p->type); 1441e5b6b07aSLaurent Pinchart u32 mbus_code; 1442f0d2b7a8SBoris Brezillon u32 cap_mask; 1443b2469c81SHans Verkuil 1444b2469c81SHans Verkuil if (ret) 1445b2469c81SHans Verkuil return ret; 1446b2469c81SHans Verkuil ret = -EINVAL; 14475bc3cb74SMauro Carvalho Chehab 1448e5b6b07aSLaurent Pinchart if (!(vdev->device_caps & V4L2_CAP_IO_MC)) 1449e5b6b07aSLaurent Pinchart p->mbus_code = 0; 1450e5b6b07aSLaurent Pinchart 1451e5b6b07aSLaurent Pinchart mbus_code = p->mbus_code; 1452e5b6b07aSLaurent Pinchart CLEAR_AFTER_FIELD(p, type); 1453e5b6b07aSLaurent Pinchart p->mbus_code = mbus_code; 1454e5b6b07aSLaurent Pinchart 14555bc3cb74SMauro Carvalho Chehab switch (p->type) { 14565bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 14577e98b7b5SBoris Brezillon case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1458f0d2b7a8SBoris Brezillon cap_mask = V4L2_CAP_VIDEO_CAPTURE_MPLANE | 1459f0d2b7a8SBoris Brezillon V4L2_CAP_VIDEO_M2M_MPLANE; 1460f0d2b7a8SBoris Brezillon if (!!(vdev->device_caps & cap_mask) != 14617e98b7b5SBoris Brezillon (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) 14627e98b7b5SBoris Brezillon break; 14637e98b7b5SBoris Brezillon 1464b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_vid_cap)) 14655bc3cb74SMauro Carvalho Chehab break; 1466ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg); 1467ba300204SHans Verkuil break; 14685bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1469b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_vid_overlay)) 14705bc3cb74SMauro Carvalho Chehab break; 1471ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); 1472ba300204SHans Verkuil break; 14735bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 14747e98b7b5SBoris Brezillon case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1475f0d2b7a8SBoris Brezillon cap_mask = V4L2_CAP_VIDEO_OUTPUT_MPLANE | 1476f0d2b7a8SBoris Brezillon V4L2_CAP_VIDEO_M2M_MPLANE; 1477f0d2b7a8SBoris Brezillon if (!!(vdev->device_caps & cap_mask) != 14787e98b7b5SBoris Brezillon (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)) 14797e98b7b5SBoris Brezillon break; 14807e98b7b5SBoris Brezillon 1481b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_vid_out)) 14825bc3cb74SMauro Carvalho Chehab break; 1483ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg); 1484ba300204SHans Verkuil break; 1485582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1486b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_sdr_cap)) 1487582c52cbSAntti Palosaari break; 1488ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg); 1489ba300204SHans Verkuil break; 14909effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 1491b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_sdr_out)) 14929effc72fSAntti Palosaari break; 14939effc72fSAntti Palosaari ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg); 14949effc72fSAntti Palosaari break; 1495fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 1496b2469c81SHans Verkuil if (unlikely(!ops->vidioc_enum_fmt_meta_cap)) 1497fb9ffa6aSLaurent Pinchart break; 1498fb9ffa6aSLaurent Pinchart ret = ops->vidioc_enum_fmt_meta_cap(file, fh, arg); 1499fb9ffa6aSLaurent Pinchart break; 150072148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 150172148d1aSSakari Ailus if (unlikely(!ops->vidioc_enum_fmt_meta_out)) 150272148d1aSSakari Ailus break; 150372148d1aSSakari Ailus ret = ops->vidioc_enum_fmt_meta_out(file, fh, arg); 150472148d1aSSakari Ailus break; 15055bc3cb74SMauro Carvalho Chehab } 1506ba300204SHans Verkuil if (ret == 0) 1507ba300204SHans Verkuil v4l_fill_fmtdesc(p); 1508ba300204SHans Verkuil return ret; 15095bc3cb74SMauro Carvalho Chehab } 15105bc3cb74SMauro Carvalho Chehab 1511545b618cSVandana BN static void v4l_pix_format_touch(struct v4l2_pix_format *p) 1512545b618cSVandana BN { 1513545b618cSVandana BN /* 1514545b618cSVandana BN * The v4l2_pix_format structure contains fields that make no sense for 1515545b618cSVandana BN * touch. Set them to default values in this case. 1516545b618cSVandana BN */ 1517545b618cSVandana BN 1518545b618cSVandana BN p->field = V4L2_FIELD_NONE; 1519545b618cSVandana BN p->colorspace = V4L2_COLORSPACE_RAW; 1520545b618cSVandana BN p->flags = 0; 1521545b618cSVandana BN p->ycbcr_enc = 0; 1522545b618cSVandana BN p->quantization = 0; 1523545b618cSVandana BN p->xfer_func = 0; 1524545b618cSVandana BN } 1525545b618cSVandana BN 15265bc3cb74SMauro Carvalho Chehab static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, 15275bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 15285bc3cb74SMauro Carvalho Chehab { 15295bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 1530545b618cSVandana BN struct video_device *vfd = video_devdata(file); 1531b2469c81SHans Verkuil int ret = check_fmt(file, p->type); 1532b2469c81SHans Verkuil 1533b2469c81SHans Verkuil if (ret) 1534b2469c81SHans Verkuil return ret; 1535d52e2381SLaurent Pinchart 1536e5ce558aSHans Verkuil /* 1537e5ce558aSHans Verkuil * fmt can't be cleared for these overlay types due to the 'clips' 1538e5ce558aSHans Verkuil * 'clipcount' and 'bitmap' pointers in struct v4l2_window. 1539e5ce558aSHans Verkuil * Those are provided by the user. So handle these two overlay types 1540e5ce558aSHans Verkuil * first, and then just do a simple memset for the other types. 1541e5ce558aSHans Verkuil */ 1542e5ce558aSHans Verkuil switch (p->type) { 1543e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1544e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: { 15453f65c6f6SArnd Bergmann struct v4l2_clip *clips = p->fmt.win.clips; 1546e5ce558aSHans Verkuil u32 clipcount = p->fmt.win.clipcount; 15474d1afa51SHans Verkuil void __user *bitmap = p->fmt.win.bitmap; 1548e5ce558aSHans Verkuil 1549e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1550e5ce558aSHans Verkuil p->fmt.win.clips = clips; 1551e5ce558aSHans Verkuil p->fmt.win.clipcount = clipcount; 1552e5ce558aSHans Verkuil p->fmt.win.bitmap = bitmap; 1553e5ce558aSHans Verkuil break; 1554e5ce558aSHans Verkuil } 1555e5ce558aSHans Verkuil default: 1556e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1557e5ce558aSHans Verkuil break; 1558e5ce558aSHans Verkuil } 1559e5ce558aSHans Verkuil 15605bc3cb74SMauro Carvalho Chehab switch (p->type) { 15615bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1562b2469c81SHans Verkuil if (unlikely(!ops->vidioc_g_fmt_vid_cap)) 15635bc3cb74SMauro Carvalho Chehab break; 156448f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1565d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg); 156648f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1567d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1568545b618cSVandana BN if (vfd->vfl_type == VFL_TYPE_TOUCH) 1569545b618cSVandana BN v4l_pix_format_touch(&p->fmt.pix); 1570d52e2381SLaurent Pinchart return ret; 15715bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 15725bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); 15735bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 15745bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_overlay(file, fh, arg); 15754b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 15764b20259fSHans Verkuil return ops->vidioc_g_fmt_vbi_cap(file, fh, arg); 15774b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 15784b20259fSHans Verkuil return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg); 15795bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 1580b2469c81SHans Verkuil if (unlikely(!ops->vidioc_g_fmt_vid_out)) 15815bc3cb74SMauro Carvalho Chehab break; 158248f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1583d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_out(file, fh, arg); 158448f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1585d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1586d52e2381SLaurent Pinchart return ret; 15875bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 15885bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg); 15895bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 15905bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg); 15915bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 15925bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vbi_out(file, fh, arg); 15935bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 15945bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg); 1595582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1596582c52cbSAntti Palosaari return ops->vidioc_g_fmt_sdr_cap(file, fh, arg); 15979effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 15989effc72fSAntti Palosaari return ops->vidioc_g_fmt_sdr_out(file, fh, arg); 1599fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 1600fb9ffa6aSLaurent Pinchart return ops->vidioc_g_fmt_meta_cap(file, fh, arg); 160172148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 160272148d1aSSakari Ailus return ops->vidioc_g_fmt_meta_out(file, fh, arg); 16035bc3cb74SMauro Carvalho Chehab } 16045bc3cb74SMauro Carvalho Chehab return -EINVAL; 16055bc3cb74SMauro Carvalho Chehab } 16065bc3cb74SMauro Carvalho Chehab 16075bc3cb74SMauro Carvalho Chehab static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, 16085bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16095bc3cb74SMauro Carvalho Chehab { 16105bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 16114b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 1612b2469c81SHans Verkuil int ret = check_fmt(file, p->type); 16134e1e0eb0SEzequiel Garcia unsigned int i; 1614b2469c81SHans Verkuil 1615b2469c81SHans Verkuil if (ret) 1616b2469c81SHans Verkuil return ret; 16175bc3cb74SMauro Carvalho Chehab 161877fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 161977fa4e07SShuah Khan if (ret) 162077fa4e07SShuah Khan return ret; 1621d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1622d52e2381SLaurent Pinchart 16235bc3cb74SMauro Carvalho Chehab switch (p->type) { 16245bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1625b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_cap)) 16265bc3cb74SMauro Carvalho Chehab break; 16275bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 162848f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_cap(file, fh, arg); 162948f2650aSHans Verkuil /* just in case the driver zeroed it again */ 163048f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1631b2469c81SHans Verkuil if (vfd->vfl_type == VFL_TYPE_TOUCH) 1632b2fe22d0SNick Dyer v4l_pix_format_touch(&p->fmt.pix); 163348f2650aSHans Verkuil return ret; 16345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1635b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane)) 16365bc3cb74SMauro Carvalho Chehab break; 1637c49148e8SLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); 16384e1e0eb0SEzequiel Garcia for (i = 0; i < p->fmt.pix_mp.num_planes; i++) 1639dd91642aSThierry Reding CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], 1640dd91642aSThierry Reding bytesperline); 16415bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); 16425bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1643b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_overlay)) 16445bc3cb74SMauro Carvalho Chehab break; 16455bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 16465bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_overlay(file, fh, arg); 16474b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 1648b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vbi_cap)) 16494b20259fSHans Verkuil break; 1650ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi.flags); 16514b20259fSHans Verkuil return ops->vidioc_s_fmt_vbi_cap(file, fh, arg); 16524b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 1653b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_cap)) 16544b20259fSHans Verkuil break; 1655ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced.io_size); 16564b20259fSHans Verkuil return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg); 16575bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 1658b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_out)) 16595bc3cb74SMauro Carvalho Chehab break; 16605bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 166148f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_out(file, fh, arg); 166248f2650aSHans Verkuil /* just in case the driver zeroed it again */ 166348f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 166448f2650aSHans Verkuil return ret; 16655bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1666b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane)) 16675bc3cb74SMauro Carvalho Chehab break; 1668c49148e8SLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); 16694e1e0eb0SEzequiel Garcia for (i = 0; i < p->fmt.pix_mp.num_planes; i++) 1670dd91642aSThierry Reding CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], 1671dd91642aSThierry Reding bytesperline); 16725bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); 16735bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 1674b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay)) 16755bc3cb74SMauro Carvalho Chehab break; 16765bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 16775bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg); 16785bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 1679b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_vbi_out)) 16805bc3cb74SMauro Carvalho Chehab break; 1681ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi.flags); 16825bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vbi_out(file, fh, arg); 16835bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 1684b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_out)) 16855bc3cb74SMauro Carvalho Chehab break; 1686ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced.io_size); 16875bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg); 1688582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1689b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_sdr_cap)) 1690582c52cbSAntti Palosaari break; 1691ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize); 1692582c52cbSAntti Palosaari return ops->vidioc_s_fmt_sdr_cap(file, fh, arg); 16939effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 1694b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_sdr_out)) 16959effc72fSAntti Palosaari break; 1696ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize); 16979effc72fSAntti Palosaari return ops->vidioc_s_fmt_sdr_out(file, fh, arg); 1698fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 1699b2469c81SHans Verkuil if (unlikely(!ops->vidioc_s_fmt_meta_cap)) 1700fb9ffa6aSLaurent Pinchart break; 1701fb9ffa6aSLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.meta); 1702fb9ffa6aSLaurent Pinchart return ops->vidioc_s_fmt_meta_cap(file, fh, arg); 170372148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 170472148d1aSSakari Ailus if (unlikely(!ops->vidioc_s_fmt_meta_out)) 170572148d1aSSakari Ailus break; 170672148d1aSSakari Ailus CLEAR_AFTER_FIELD(p, fmt.meta); 170772148d1aSSakari Ailus return ops->vidioc_s_fmt_meta_out(file, fh, arg); 17085bc3cb74SMauro Carvalho Chehab } 17095bc3cb74SMauro Carvalho Chehab return -EINVAL; 17105bc3cb74SMauro Carvalho Chehab } 17115bc3cb74SMauro Carvalho Chehab 17125bc3cb74SMauro Carvalho Chehab static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, 17135bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17145bc3cb74SMauro Carvalho Chehab { 17155bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 1716999a4312SHans Verkuil struct video_device *vfd = video_devdata(file); 1717b2469c81SHans Verkuil int ret = check_fmt(file, p->type); 17184e1e0eb0SEzequiel Garcia unsigned int i; 1719b2469c81SHans Verkuil 1720b2469c81SHans Verkuil if (ret) 1721b2469c81SHans Verkuil return ret; 17225bc3cb74SMauro Carvalho Chehab 1723d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1724d52e2381SLaurent Pinchart 17255bc3cb74SMauro Carvalho Chehab switch (p->type) { 17265bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1727b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_cap)) 17285bc3cb74SMauro Carvalho Chehab break; 17295bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 173048f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg); 173148f2650aSHans Verkuil /* just in case the driver zeroed it again */ 173248f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1733999a4312SHans Verkuil if (vfd->vfl_type == VFL_TYPE_TOUCH) 1734999a4312SHans Verkuil v4l_pix_format_touch(&p->fmt.pix); 173548f2650aSHans Verkuil return ret; 17365bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1737b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane)) 17385bc3cb74SMauro Carvalho Chehab break; 1739c49148e8SLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); 17404e1e0eb0SEzequiel Garcia for (i = 0; i < p->fmt.pix_mp.num_planes; i++) 1741dd91642aSThierry Reding CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], 1742dd91642aSThierry Reding bytesperline); 17435bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); 17445bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1745b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_overlay)) 17465bc3cb74SMauro Carvalho Chehab break; 17475bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 17485bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_overlay(file, fh, arg); 17494b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 1750b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vbi_cap)) 17514b20259fSHans Verkuil break; 1752ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi.flags); 17534b20259fSHans Verkuil return ops->vidioc_try_fmt_vbi_cap(file, fh, arg); 17544b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 1755b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_cap)) 17564b20259fSHans Verkuil break; 1757ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced.io_size); 17584b20259fSHans Verkuil return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg); 17595bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 1760b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_out)) 17615bc3cb74SMauro Carvalho Chehab break; 17625bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 176348f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_out(file, fh, arg); 176448f2650aSHans Verkuil /* just in case the driver zeroed it again */ 176548f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 176648f2650aSHans Verkuil return ret; 17675bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1768b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane)) 17695bc3cb74SMauro Carvalho Chehab break; 1770c49148e8SLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); 17714e1e0eb0SEzequiel Garcia for (i = 0; i < p->fmt.pix_mp.num_planes; i++) 1772dd91642aSThierry Reding CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], 1773dd91642aSThierry Reding bytesperline); 17745bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); 17755bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 1776b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay)) 17775bc3cb74SMauro Carvalho Chehab break; 17785bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 17795bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg); 17805bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 1781b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_vbi_out)) 17825bc3cb74SMauro Carvalho Chehab break; 1783ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi.flags); 17845bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vbi_out(file, fh, arg); 17855bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 1786b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_out)) 17875bc3cb74SMauro Carvalho Chehab break; 1788ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced.io_size); 17895bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg); 1790582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1791b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_sdr_cap)) 1792582c52cbSAntti Palosaari break; 1793ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize); 1794582c52cbSAntti Palosaari return ops->vidioc_try_fmt_sdr_cap(file, fh, arg); 17959effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 1796b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_sdr_out)) 17979effc72fSAntti Palosaari break; 1798ee8951e5SHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sdr.buffersize); 17999effc72fSAntti Palosaari return ops->vidioc_try_fmt_sdr_out(file, fh, arg); 1800fb9ffa6aSLaurent Pinchart case V4L2_BUF_TYPE_META_CAPTURE: 1801b2469c81SHans Verkuil if (unlikely(!ops->vidioc_try_fmt_meta_cap)) 1802fb9ffa6aSLaurent Pinchart break; 1803fb9ffa6aSLaurent Pinchart CLEAR_AFTER_FIELD(p, fmt.meta); 1804fb9ffa6aSLaurent Pinchart return ops->vidioc_try_fmt_meta_cap(file, fh, arg); 180572148d1aSSakari Ailus case V4L2_BUF_TYPE_META_OUTPUT: 180672148d1aSSakari Ailus if (unlikely(!ops->vidioc_try_fmt_meta_out)) 180772148d1aSSakari Ailus break; 180872148d1aSSakari Ailus CLEAR_AFTER_FIELD(p, fmt.meta); 180972148d1aSSakari Ailus return ops->vidioc_try_fmt_meta_out(file, fh, arg); 18105bc3cb74SMauro Carvalho Chehab } 18115bc3cb74SMauro Carvalho Chehab return -EINVAL; 18125bc3cb74SMauro Carvalho Chehab } 18135bc3cb74SMauro Carvalho Chehab 18145bc3cb74SMauro Carvalho Chehab static int v4l_streamon(const struct v4l2_ioctl_ops *ops, 18155bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18165bc3cb74SMauro Carvalho Chehab { 18175bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamon(file, fh, *(unsigned int *)arg); 18185bc3cb74SMauro Carvalho Chehab } 18195bc3cb74SMauro Carvalho Chehab 18205bc3cb74SMauro Carvalho Chehab static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, 18215bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18225bc3cb74SMauro Carvalho Chehab { 18235bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); 18245bc3cb74SMauro Carvalho Chehab } 18255bc3cb74SMauro Carvalho Chehab 18265bc3cb74SMauro Carvalho Chehab static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, 18275bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18285bc3cb74SMauro Carvalho Chehab { 18295bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 18305bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 18315bc3cb74SMauro Carvalho Chehab int err; 18325bc3cb74SMauro Carvalho Chehab 18335bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 18345bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 18355bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, p); 18365bc3cb74SMauro Carvalho Chehab if (!err) 18375bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 18385bc3cb74SMauro Carvalho Chehab return err; 18395bc3cb74SMauro Carvalho Chehab } 18405bc3cb74SMauro Carvalho Chehab 18415bc3cb74SMauro Carvalho Chehab static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, 18425bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18435bc3cb74SMauro Carvalho Chehab { 18445bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 18455bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 184677fa4e07SShuah Khan int ret; 18475bc3cb74SMauro Carvalho Chehab 184877fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 184977fa4e07SShuah Khan if (ret) 185077fa4e07SShuah Khan return ret; 18515bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 18525bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 18535bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_tuner(file, fh, p); 18545bc3cb74SMauro Carvalho Chehab } 18555bc3cb74SMauro Carvalho Chehab 18565bc3cb74SMauro Carvalho Chehab static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops, 18575bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18585bc3cb74SMauro Carvalho Chehab { 18594124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 18605bc3cb74SMauro Carvalho Chehab struct v4l2_modulator *p = arg; 18615bc3cb74SMauro Carvalho Chehab int err; 18625bc3cb74SMauro Carvalho Chehab 18634124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 18644124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 18654124a3c4SAntti Palosaari 18665bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, p); 18675bc3cb74SMauro Carvalho Chehab if (!err) 18685bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 18695bc3cb74SMauro Carvalho Chehab return err; 18705bc3cb74SMauro Carvalho Chehab } 18715bc3cb74SMauro Carvalho Chehab 18724124a3c4SAntti Palosaari static int v4l_s_modulator(const struct v4l2_ioctl_ops *ops, 18734124a3c4SAntti Palosaari struct file *file, void *fh, void *arg) 18744124a3c4SAntti Palosaari { 18754124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 18764124a3c4SAntti Palosaari struct v4l2_modulator *p = arg; 18774124a3c4SAntti Palosaari 18784124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 18794124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 18804124a3c4SAntti Palosaari 18814124a3c4SAntti Palosaari return ops->vidioc_s_modulator(file, fh, p); 18824124a3c4SAntti Palosaari } 18834124a3c4SAntti Palosaari 18845bc3cb74SMauro Carvalho Chehab static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, 18855bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18865bc3cb74SMauro Carvalho Chehab { 18875bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 18885bc3cb74SMauro Carvalho Chehab struct v4l2_frequency *p = arg; 18895bc3cb74SMauro Carvalho Chehab 189084099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 1891f3c3ececSAntti Palosaari p->type = V4L2_TUNER_SDR; 189284099a28SAntti Palosaari else 18935bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 18945bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 18955bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_frequency(file, fh, p); 18965bc3cb74SMauro Carvalho Chehab } 18975bc3cb74SMauro Carvalho Chehab 18985bc3cb74SMauro Carvalho Chehab static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, 18995bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19005bc3cb74SMauro Carvalho Chehab { 19015bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1902b530a447SHans Verkuil const struct v4l2_frequency *p = arg; 19035bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 190477fa4e07SShuah Khan int ret; 19055bc3cb74SMauro Carvalho Chehab 190677fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 190777fa4e07SShuah Khan if (ret) 190877fa4e07SShuah Khan return ret; 190984099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 1910f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 191184099a28SAntti Palosaari return -EINVAL; 191284099a28SAntti Palosaari } else { 19135bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 19145bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 191584099a28SAntti Palosaari if (type != p->type) 19165bc3cb74SMauro Carvalho Chehab return -EINVAL; 191784099a28SAntti Palosaari } 19185bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_frequency(file, fh, p); 19195bc3cb74SMauro Carvalho Chehab } 19205bc3cb74SMauro Carvalho Chehab 19215bc3cb74SMauro Carvalho Chehab static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, 19225bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19235bc3cb74SMauro Carvalho Chehab { 19245bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19255bc3cb74SMauro Carvalho Chehab struct v4l2_standard *p = arg; 19265bc3cb74SMauro Carvalho Chehab 1927aa2f8871SNiklas Söderlund return v4l_video_std_enumstd(p, vfd->tvnorms); 19285bc3cb74SMauro Carvalho Chehab } 19295bc3cb74SMauro Carvalho Chehab 19305bc3cb74SMauro Carvalho Chehab static int v4l_s_std(const struct v4l2_ioctl_ops *ops, 19315bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19325bc3cb74SMauro Carvalho Chehab { 19335bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1934314527acSHans Verkuil v4l2_std_id id = *(v4l2_std_id *)arg, norm; 193577fa4e07SShuah Khan int ret; 19365bc3cb74SMauro Carvalho Chehab 193777fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 193877fa4e07SShuah Khan if (ret) 193977fa4e07SShuah Khan return ret; 1940314527acSHans Verkuil norm = id & vfd->tvnorms; 19415bc3cb74SMauro Carvalho Chehab if (vfd->tvnorms && !norm) /* Check if std is supported */ 19425bc3cb74SMauro Carvalho Chehab return -EINVAL; 19435bc3cb74SMauro Carvalho Chehab 19445bc3cb74SMauro Carvalho Chehab /* Calls the specific handler */ 1945ca371575SHans Verkuil return ops->vidioc_s_std(file, fh, norm); 19465bc3cb74SMauro Carvalho Chehab } 19475bc3cb74SMauro Carvalho Chehab 19485bc3cb74SMauro Carvalho Chehab static int v4l_querystd(const struct v4l2_ioctl_ops *ops, 19495bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19505bc3cb74SMauro Carvalho Chehab { 19515bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19525bc3cb74SMauro Carvalho Chehab v4l2_std_id *p = arg; 195377fa4e07SShuah Khan int ret; 19545bc3cb74SMauro Carvalho Chehab 195577fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 195677fa4e07SShuah Khan if (ret) 195777fa4e07SShuah Khan return ret; 19585bc3cb74SMauro Carvalho Chehab /* 19591a2c6866SHans Verkuil * If no signal is detected, then the driver should return 19601a2c6866SHans Verkuil * V4L2_STD_UNKNOWN. Otherwise it should return tvnorms with 19611a2c6866SHans Verkuil * any standards that do not apply removed. 19621a2c6866SHans Verkuil * 19635bc3cb74SMauro Carvalho Chehab * This means that tuners, audio and video decoders can join 19645bc3cb74SMauro Carvalho Chehab * their efforts to improve the standards detection. 19655bc3cb74SMauro Carvalho Chehab */ 19665bc3cb74SMauro Carvalho Chehab *p = vfd->tvnorms; 19675bc3cb74SMauro Carvalho Chehab return ops->vidioc_querystd(file, fh, arg); 19685bc3cb74SMauro Carvalho Chehab } 19695bc3cb74SMauro Carvalho Chehab 19705bc3cb74SMauro Carvalho Chehab static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, 19715bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19725bc3cb74SMauro Carvalho Chehab { 19735bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19745bc3cb74SMauro Carvalho Chehab struct v4l2_hw_freq_seek *p = arg; 19755bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 197677fa4e07SShuah Khan int ret; 19775bc3cb74SMauro Carvalho Chehab 197877fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 197977fa4e07SShuah Khan if (ret) 198077fa4e07SShuah Khan return ret; 198184099a28SAntti Palosaari /* s_hw_freq_seek is not supported for SDR for now */ 198284099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 198384099a28SAntti Palosaari return -EINVAL; 198484099a28SAntti Palosaari 19855bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 19865bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 19875bc3cb74SMauro Carvalho Chehab if (p->type != type) 19885bc3cb74SMauro Carvalho Chehab return -EINVAL; 19895bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_hw_freq_seek(file, fh, p); 19905bc3cb74SMauro Carvalho Chehab } 19915bc3cb74SMauro Carvalho Chehab 1992737c097bSHans Verkuil static int v4l_overlay(const struct v4l2_ioctl_ops *ops, 1993737c097bSHans Verkuil struct file *file, void *fh, void *arg) 1994737c097bSHans Verkuil { 1995737c097bSHans Verkuil return ops->vidioc_overlay(file, fh, *(unsigned int *)arg); 1996737c097bSHans Verkuil } 1997737c097bSHans Verkuil 19985bc3cb74SMauro Carvalho Chehab static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, 19995bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20005bc3cb74SMauro Carvalho Chehab { 20015bc3cb74SMauro Carvalho Chehab struct v4l2_requestbuffers *p = arg; 20024b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20035bc3cb74SMauro Carvalho Chehab 20045bc3cb74SMauro Carvalho Chehab if (ret) 20055bc3cb74SMauro Carvalho Chehab return ret; 2006129134e5SSergey Senozhatsky 2007129134e5SSergey Senozhatsky CLEAR_AFTER_FIELD(p, capabilities); 2008129134e5SSergey Senozhatsky 20095bc3cb74SMauro Carvalho Chehab return ops->vidioc_reqbufs(file, fh, p); 20105bc3cb74SMauro Carvalho Chehab } 20115bc3cb74SMauro Carvalho Chehab 20125bc3cb74SMauro Carvalho Chehab static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, 20135bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20145bc3cb74SMauro Carvalho Chehab { 20155bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 20164b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20175bc3cb74SMauro Carvalho Chehab 20185bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_querybuf(file, fh, p); 20195bc3cb74SMauro Carvalho Chehab } 20205bc3cb74SMauro Carvalho Chehab 20215bc3cb74SMauro Carvalho Chehab static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, 20225bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20235bc3cb74SMauro Carvalho Chehab { 20245bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 20254b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20265bc3cb74SMauro Carvalho Chehab 20275bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_qbuf(file, fh, p); 20285bc3cb74SMauro Carvalho Chehab } 20295bc3cb74SMauro Carvalho Chehab 20305bc3cb74SMauro Carvalho Chehab static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, 20315bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20325bc3cb74SMauro Carvalho Chehab { 20335bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 20344b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20355bc3cb74SMauro Carvalho Chehab 20365bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_dqbuf(file, fh, p); 20375bc3cb74SMauro Carvalho Chehab } 20385bc3cb74SMauro Carvalho Chehab 20395bc3cb74SMauro Carvalho Chehab static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, 20405bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20415bc3cb74SMauro Carvalho Chehab { 20425bc3cb74SMauro Carvalho Chehab struct v4l2_create_buffers *create = arg; 20434b20259fSHans Verkuil int ret = check_fmt(file, create->format.type); 20445bc3cb74SMauro Carvalho Chehab 2045d52e2381SLaurent Pinchart if (ret) 2046d52e2381SLaurent Pinchart return ret; 2047d52e2381SLaurent Pinchart 2048129134e5SSergey Senozhatsky CLEAR_AFTER_FIELD(create, capabilities); 20495d351251SHans Verkuil 2050d52e2381SLaurent Pinchart v4l_sanitize_format(&create->format); 2051d52e2381SLaurent Pinchart 2052d52e2381SLaurent Pinchart ret = ops->vidioc_create_bufs(file, fh, create); 2053d52e2381SLaurent Pinchart 2054d52e2381SLaurent Pinchart if (create->format.type == V4L2_BUF_TYPE_VIDEO_CAPTURE || 2055d52e2381SLaurent Pinchart create->format.type == V4L2_BUF_TYPE_VIDEO_OUTPUT) 2056d52e2381SLaurent Pinchart create->format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 2057d52e2381SLaurent Pinchart 2058d52e2381SLaurent Pinchart return ret; 20595bc3cb74SMauro Carvalho Chehab } 20605bc3cb74SMauro Carvalho Chehab 20615bc3cb74SMauro Carvalho Chehab static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, 20625bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20635bc3cb74SMauro Carvalho Chehab { 20645bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *b = arg; 20654b20259fSHans Verkuil int ret = check_fmt(file, b->type); 20665bc3cb74SMauro Carvalho Chehab 20675bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); 20685bc3cb74SMauro Carvalho Chehab } 20695bc3cb74SMauro Carvalho Chehab 20705bc3cb74SMauro Carvalho Chehab static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, 20715bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20725bc3cb74SMauro Carvalho Chehab { 20735bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 20745bc3cb74SMauro Carvalho Chehab v4l2_std_id std; 20754b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20765bc3cb74SMauro Carvalho Chehab 20775bc3cb74SMauro Carvalho Chehab if (ret) 20785bc3cb74SMauro Carvalho Chehab return ret; 20795bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_parm) 20805bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_parm(file, fh, p); 20815bc3cb74SMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 20825bc3cb74SMauro Carvalho Chehab p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 20835bc3cb74SMauro Carvalho Chehab return -EINVAL; 20845bc3cb74SMauro Carvalho Chehab p->parm.capture.readbuffers = 2; 20855bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_std(file, fh, &std); 20865bc3cb74SMauro Carvalho Chehab if (ret == 0) 2087ca371575SHans Verkuil v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); 20885bc3cb74SMauro Carvalho Chehab return ret; 20895bc3cb74SMauro Carvalho Chehab } 20905bc3cb74SMauro Carvalho Chehab 20915bc3cb74SMauro Carvalho Chehab static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, 20925bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20935bc3cb74SMauro Carvalho Chehab { 20945bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 20954b20259fSHans Verkuil int ret = check_fmt(file, p->type); 20965bc3cb74SMauro Carvalho Chehab 20978a7c5594SHans Verkuil if (ret) 20988a7c5594SHans Verkuil return ret; 20998a7c5594SHans Verkuil 21004f62e840SHans Verkuil /* Note: extendedmode is never used in drivers */ 21018a7c5594SHans Verkuil if (V4L2_TYPE_IS_OUTPUT(p->type)) { 21028a7c5594SHans Verkuil memset(p->parm.output.reserved, 0, 21038a7c5594SHans Verkuil sizeof(p->parm.output.reserved)); 21048a7c5594SHans Verkuil p->parm.output.extendedmode = 0; 21058a7c5594SHans Verkuil p->parm.output.outputmode &= V4L2_MODE_HIGHQUALITY; 21068a7c5594SHans Verkuil } else { 21078a7c5594SHans Verkuil memset(p->parm.capture.reserved, 0, 21088a7c5594SHans Verkuil sizeof(p->parm.capture.reserved)); 21094f62e840SHans Verkuil p->parm.capture.extendedmode = 0; 21108a7c5594SHans Verkuil p->parm.capture.capturemode &= V4L2_MODE_HIGHQUALITY; 21118a7c5594SHans Verkuil } 21128a7c5594SHans Verkuil return ops->vidioc_s_parm(file, fh, p); 21135bc3cb74SMauro Carvalho Chehab } 21145bc3cb74SMauro Carvalho Chehab 21155bc3cb74SMauro Carvalho Chehab static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops, 21165bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21175bc3cb74SMauro Carvalho Chehab { 21185bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 21195bc3cb74SMauro Carvalho Chehab struct v4l2_queryctrl *p = arg; 21205bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 21215bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 21225bc3cb74SMauro Carvalho Chehab 21235bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 21245bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfh->ctrl_handler, p); 21255bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 21265bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfd->ctrl_handler, p); 21275bc3cb74SMauro Carvalho Chehab if (ops->vidioc_queryctrl) 21285bc3cb74SMauro Carvalho Chehab return ops->vidioc_queryctrl(file, fh, p); 21295bc3cb74SMauro Carvalho Chehab return -ENOTTY; 21305bc3cb74SMauro Carvalho Chehab } 21315bc3cb74SMauro Carvalho Chehab 2132e6bee368SHans Verkuil static int v4l_query_ext_ctrl(const struct v4l2_ioctl_ops *ops, 2133e6bee368SHans Verkuil struct file *file, void *fh, void *arg) 2134e6bee368SHans Verkuil { 2135e6bee368SHans Verkuil struct video_device *vfd = video_devdata(file); 2136e6bee368SHans Verkuil struct v4l2_query_ext_ctrl *p = arg; 2137e6bee368SHans Verkuil struct v4l2_fh *vfh = 2138e6bee368SHans Verkuil test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 2139e6bee368SHans Verkuil 2140e6bee368SHans Verkuil if (vfh && vfh->ctrl_handler) 2141e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfh->ctrl_handler, p); 2142e6bee368SHans Verkuil if (vfd->ctrl_handler) 2143e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfd->ctrl_handler, p); 2144e6bee368SHans Verkuil if (ops->vidioc_query_ext_ctrl) 2145e6bee368SHans Verkuil return ops->vidioc_query_ext_ctrl(file, fh, p); 2146e6bee368SHans Verkuil return -ENOTTY; 2147e6bee368SHans Verkuil } 2148e6bee368SHans Verkuil 21495bc3cb74SMauro Carvalho Chehab static int v4l_querymenu(const struct v4l2_ioctl_ops *ops, 21505bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21515bc3cb74SMauro Carvalho Chehab { 21525bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 21535bc3cb74SMauro Carvalho Chehab struct v4l2_querymenu *p = arg; 21545bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 21555bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 21565bc3cb74SMauro Carvalho Chehab 21575bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 21585bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfh->ctrl_handler, p); 21595bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 21605bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfd->ctrl_handler, p); 21615bc3cb74SMauro Carvalho Chehab if (ops->vidioc_querymenu) 21625bc3cb74SMauro Carvalho Chehab return ops->vidioc_querymenu(file, fh, p); 21635bc3cb74SMauro Carvalho Chehab return -ENOTTY; 21645bc3cb74SMauro Carvalho Chehab } 21655bc3cb74SMauro Carvalho Chehab 21665bc3cb74SMauro Carvalho Chehab static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops, 21675bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21685bc3cb74SMauro Carvalho Chehab { 21695bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 21705bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 21715bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 21725bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 21735bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 21745bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 21755bc3cb74SMauro Carvalho Chehab 21765bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 21775bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfh->ctrl_handler, p); 21785bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 21795bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfd->ctrl_handler, p); 21805bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ctrl) 21815bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_ctrl(file, fh, p); 21825bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 21835bc3cb74SMauro Carvalho Chehab return -ENOTTY; 21845bc3cb74SMauro Carvalho Chehab 21850f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 21865bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 21875bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 21885bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 21895bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 21905bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) { 21915bc3cb74SMauro Carvalho Chehab int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); 21925bc3cb74SMauro Carvalho Chehab 21935bc3cb74SMauro Carvalho Chehab if (ret == 0) 21945bc3cb74SMauro Carvalho Chehab p->value = ctrl.value; 21955bc3cb74SMauro Carvalho Chehab return ret; 21965bc3cb74SMauro Carvalho Chehab } 21975bc3cb74SMauro Carvalho Chehab return -EINVAL; 21985bc3cb74SMauro Carvalho Chehab } 21995bc3cb74SMauro Carvalho Chehab 22005bc3cb74SMauro Carvalho Chehab static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, 22015bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22025bc3cb74SMauro Carvalho Chehab { 22035bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22045bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 22055bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 22065bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 22075bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 22085bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 22095bc3cb74SMauro Carvalho Chehab 22105bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 22115bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); 22125bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 22135bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p); 22145bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ctrl) 22155bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ctrl(file, fh, p); 22165bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 22175bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22185bc3cb74SMauro Carvalho Chehab 22190f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 22205bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 22215bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 22225bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 22235bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 22245bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) 22255bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); 22265bc3cb74SMauro Carvalho Chehab return -EINVAL; 22275bc3cb74SMauro Carvalho Chehab } 22285bc3cb74SMauro Carvalho Chehab 22295bc3cb74SMauro Carvalho Chehab static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, 22305bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22315bc3cb74SMauro Carvalho Chehab { 22325bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22335bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 22345bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 22355bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 22365bc3cb74SMauro Carvalho Chehab 22375bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 22385bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 2239173f6eacSEzequiel Garcia return v4l2_g_ext_ctrls(vfh->ctrl_handler, 2240173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22415bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 2242173f6eacSEzequiel Garcia return v4l2_g_ext_ctrls(vfd->ctrl_handler, 2243173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22445bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 22455bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22465bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : 22475bc3cb74SMauro Carvalho Chehab -EINVAL; 22485bc3cb74SMauro Carvalho Chehab } 22495bc3cb74SMauro Carvalho Chehab 22505bc3cb74SMauro Carvalho Chehab static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, 22515bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22525bc3cb74SMauro Carvalho Chehab { 22535bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22545bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 22555bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 22565bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 22575bc3cb74SMauro Carvalho Chehab 22585bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 22595bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 2260173f6eacSEzequiel Garcia return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, 2261173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22625bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 2263173f6eacSEzequiel Garcia return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, 2264173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22655bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 22665bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22675bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : 22685bc3cb74SMauro Carvalho Chehab -EINVAL; 22695bc3cb74SMauro Carvalho Chehab } 22705bc3cb74SMauro Carvalho Chehab 22715bc3cb74SMauro Carvalho Chehab static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, 22725bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22735bc3cb74SMauro Carvalho Chehab { 22745bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22755bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 22765bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 22775bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 22785bc3cb74SMauro Carvalho Chehab 22795bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 22805bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 2281173f6eacSEzequiel Garcia return v4l2_try_ext_ctrls(vfh->ctrl_handler, 2282173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22835bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 2284173f6eacSEzequiel Garcia return v4l2_try_ext_ctrls(vfd->ctrl_handler, 2285173f6eacSEzequiel Garcia vfd, vfd->v4l2_dev->mdev, p); 22865bc3cb74SMauro Carvalho Chehab if (ops->vidioc_try_ext_ctrls == NULL) 22875bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22885bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : 22895bc3cb74SMauro Carvalho Chehab -EINVAL; 22905bc3cb74SMauro Carvalho Chehab } 22915bc3cb74SMauro Carvalho Chehab 2292eaec420fSHans Verkuil /* 2293eaec420fSHans Verkuil * The selection API specified originally that the _MPLANE buffer types 2294eaec420fSHans Verkuil * shouldn't be used. The reasons for this are lost in the mists of time 2295eaec420fSHans Verkuil * (or just really crappy memories). Regardless, this is really annoying 2296eaec420fSHans Verkuil * for userspace. So to keep things simple we map _MPLANE buffer types 2297eaec420fSHans Verkuil * to their 'regular' counterparts before calling the driver. And we 2298eaec420fSHans Verkuil * restore it afterwards. This way applications can use either buffer 2299eaec420fSHans Verkuil * type and drivers don't need to check for both. 2300eaec420fSHans Verkuil */ 2301eaec420fSHans Verkuil static int v4l_g_selection(const struct v4l2_ioctl_ops *ops, 2302eaec420fSHans Verkuil struct file *file, void *fh, void *arg) 2303eaec420fSHans Verkuil { 2304eaec420fSHans Verkuil struct v4l2_selection *p = arg; 2305eaec420fSHans Verkuil u32 old_type = p->type; 2306eaec420fSHans Verkuil int ret; 2307eaec420fSHans Verkuil 2308eaec420fSHans Verkuil if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 2309eaec420fSHans Verkuil p->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2310eaec420fSHans Verkuil else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 2311eaec420fSHans Verkuil p->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 2312eaec420fSHans Verkuil ret = ops->vidioc_g_selection(file, fh, p); 2313eaec420fSHans Verkuil p->type = old_type; 2314eaec420fSHans Verkuil return ret; 2315eaec420fSHans Verkuil } 2316eaec420fSHans Verkuil 2317eaec420fSHans Verkuil static int v4l_s_selection(const struct v4l2_ioctl_ops *ops, 2318eaec420fSHans Verkuil struct file *file, void *fh, void *arg) 2319eaec420fSHans Verkuil { 2320eaec420fSHans Verkuil struct v4l2_selection *p = arg; 2321eaec420fSHans Verkuil u32 old_type = p->type; 2322eaec420fSHans Verkuil int ret; 2323eaec420fSHans Verkuil 2324eaec420fSHans Verkuil if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 2325eaec420fSHans Verkuil p->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 2326eaec420fSHans Verkuil else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 2327eaec420fSHans Verkuil p->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 2328eaec420fSHans Verkuil ret = ops->vidioc_s_selection(file, fh, p); 2329eaec420fSHans Verkuil p->type = old_type; 2330eaec420fSHans Verkuil return ret; 2331eaec420fSHans Verkuil } 2332eaec420fSHans Verkuil 23335bc3cb74SMauro Carvalho Chehab static int v4l_g_crop(const struct v4l2_ioctl_ops *ops, 23345bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23355bc3cb74SMauro Carvalho Chehab { 23368cbd94bdSHans Verkuil struct video_device *vfd = video_devdata(file); 23375bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 23385bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 23395bc3cb74SMauro Carvalho Chehab .type = p->type, 23405bc3cb74SMauro Carvalho Chehab }; 23415bc3cb74SMauro Carvalho Chehab int ret; 23425bc3cb74SMauro Carvalho Chehab 23435bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 23445bc3cb74SMauro Carvalho Chehab 23455bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 23465bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 23475b79da06SHans Verkuil s.target = V4L2_SEL_TGT_COMPOSE; 23485bc3cb74SMauro Carvalho Chehab else 23495b79da06SHans Verkuil s.target = V4L2_SEL_TGT_CROP; 23505bc3cb74SMauro Carvalho Chehab 23518cbd94bdSHans Verkuil if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags)) 23528cbd94bdSHans Verkuil s.target = s.target == V4L2_SEL_TGT_COMPOSE ? 23538cbd94bdSHans Verkuil V4L2_SEL_TGT_CROP : V4L2_SEL_TGT_COMPOSE; 23548cbd94bdSHans Verkuil 2355eaec420fSHans Verkuil ret = v4l_g_selection(ops, file, fh, &s); 23565bc3cb74SMauro Carvalho Chehab 23575bc3cb74SMauro Carvalho Chehab /* copying results to old structure on success */ 23585bc3cb74SMauro Carvalho Chehab if (!ret) 23595bc3cb74SMauro Carvalho Chehab p->c = s.r; 23605bc3cb74SMauro Carvalho Chehab return ret; 23615bc3cb74SMauro Carvalho Chehab } 23625bc3cb74SMauro Carvalho Chehab 23635bc3cb74SMauro Carvalho Chehab static int v4l_s_crop(const struct v4l2_ioctl_ops *ops, 23645bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23655bc3cb74SMauro Carvalho Chehab { 23668cbd94bdSHans Verkuil struct video_device *vfd = video_devdata(file); 23675bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 23685bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 23695bc3cb74SMauro Carvalho Chehab .type = p->type, 23705bc3cb74SMauro Carvalho Chehab .r = p->c, 23715bc3cb74SMauro Carvalho Chehab }; 23725bc3cb74SMauro Carvalho Chehab 23735bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 23745bc3cb74SMauro Carvalho Chehab 23755bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 23765bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 23775b79da06SHans Verkuil s.target = V4L2_SEL_TGT_COMPOSE; 23785bc3cb74SMauro Carvalho Chehab else 23795b79da06SHans Verkuil s.target = V4L2_SEL_TGT_CROP; 23805bc3cb74SMauro Carvalho Chehab 23818cbd94bdSHans Verkuil if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags)) 23828cbd94bdSHans Verkuil s.target = s.target == V4L2_SEL_TGT_COMPOSE ? 23838cbd94bdSHans Verkuil V4L2_SEL_TGT_CROP : V4L2_SEL_TGT_COMPOSE; 23848cbd94bdSHans Verkuil 2385eaec420fSHans Verkuil return v4l_s_selection(ops, file, fh, &s); 23865bc3cb74SMauro Carvalho Chehab } 23875bc3cb74SMauro Carvalho Chehab 23885bc3cb74SMauro Carvalho Chehab static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, 23895bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23905bc3cb74SMauro Carvalho Chehab { 23918cbd94bdSHans Verkuil struct video_device *vfd = video_devdata(file); 23925bc3cb74SMauro Carvalho Chehab struct v4l2_cropcap *p = arg; 23935bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { .type = p->type }; 239495dd7b7eSHans Verkuil int ret = 0; 239595dd7b7eSHans Verkuil 239695dd7b7eSHans Verkuil /* setting trivial pixelaspect */ 239795dd7b7eSHans Verkuil p->pixelaspect.numerator = 1; 239895dd7b7eSHans Verkuil p->pixelaspect.denominator = 1; 239995dd7b7eSHans Verkuil 24005200ab6aSHans Verkuil if (s.type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 24015200ab6aSHans Verkuil s.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 24025200ab6aSHans Verkuil else if (s.type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 24035200ab6aSHans Verkuil s.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; 24045200ab6aSHans Verkuil 240595dd7b7eSHans Verkuil /* 240695dd7b7eSHans Verkuil * The determine_valid_ioctls() call already should ensure 240795dd7b7eSHans Verkuil * that this can never happen, but just in case... 240895dd7b7eSHans Verkuil */ 24095200ab6aSHans Verkuil if (WARN_ON(!ops->vidioc_g_selection)) 241095dd7b7eSHans Verkuil return -ENOTTY; 241195dd7b7eSHans Verkuil 24125200ab6aSHans Verkuil if (ops->vidioc_g_pixelaspect) 24135200ab6aSHans Verkuil ret = ops->vidioc_g_pixelaspect(file, fh, s.type, 24145200ab6aSHans Verkuil &p->pixelaspect); 241595dd7b7eSHans Verkuil 241695dd7b7eSHans Verkuil /* 241795dd7b7eSHans Verkuil * Ignore ENOTTY or ENOIOCTLCMD error returns, just use the 241895dd7b7eSHans Verkuil * square pixel aspect ratio in that case. 241995dd7b7eSHans Verkuil */ 242095dd7b7eSHans Verkuil if (ret && ret != -ENOTTY && ret != -ENOIOCTLCMD) 242195dd7b7eSHans Verkuil return ret; 242295dd7b7eSHans Verkuil 242395dd7b7eSHans Verkuil /* Use g_selection() to fill in the bounds and defrect rectangles */ 24245bc3cb74SMauro Carvalho Chehab 24255bc3cb74SMauro Carvalho Chehab /* obtaining bounds */ 24265bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 24275bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; 24285bc3cb74SMauro Carvalho Chehab else 24295bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_BOUNDS; 24305bc3cb74SMauro Carvalho Chehab 24318cbd94bdSHans Verkuil if (test_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags)) 24328cbd94bdSHans Verkuil s.target = s.target == V4L2_SEL_TGT_COMPOSE_BOUNDS ? 24338cbd94bdSHans Verkuil V4L2_SEL_TGT_CROP_BOUNDS : V4L2_SEL_TGT_COMPOSE_BOUNDS; 24348cbd94bdSHans Verkuil 2435eaec420fSHans Verkuil ret = v4l_g_selection(ops, file, fh, &s); 24365bc3cb74SMauro Carvalho Chehab if (ret) 24375bc3cb74SMauro Carvalho Chehab return ret; 24385bc3cb74SMauro Carvalho Chehab p->bounds = s.r; 24395bc3cb74SMauro Carvalho Chehab 24405bc3cb74SMauro Carvalho Chehab /* obtaining defrect */ 24418cbd94bdSHans Verkuil if (s.target == V4L2_SEL_TGT_COMPOSE_BOUNDS) 24425bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; 24435bc3cb74SMauro Carvalho Chehab else 24445bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_DEFAULT; 24455bc3cb74SMauro Carvalho Chehab 2446eaec420fSHans Verkuil ret = v4l_g_selection(ops, file, fh, &s); 24475bc3cb74SMauro Carvalho Chehab if (ret) 24485bc3cb74SMauro Carvalho Chehab return ret; 24495bc3cb74SMauro Carvalho Chehab p->defrect = s.r; 24509409945cSHans Verkuil 24515bc3cb74SMauro Carvalho Chehab return 0; 24525bc3cb74SMauro Carvalho Chehab } 24535bc3cb74SMauro Carvalho Chehab 24545bc3cb74SMauro Carvalho Chehab static int v4l_log_status(const struct v4l2_ioctl_ops *ops, 24555bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 24565bc3cb74SMauro Carvalho Chehab { 24575bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 24585bc3cb74SMauro Carvalho Chehab int ret; 24595bc3cb74SMauro Carvalho Chehab 24605bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 24615bc3cb74SMauro Carvalho Chehab pr_info("%s: ================= START STATUS =================\n", 24625bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 24635bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_log_status(file, fh); 24645bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 24655bc3cb74SMauro Carvalho Chehab pr_info("%s: ================== END STATUS ==================\n", 24665bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 24675bc3cb74SMauro Carvalho Chehab return ret; 24685bc3cb74SMauro Carvalho Chehab } 24695bc3cb74SMauro Carvalho Chehab 24705bc3cb74SMauro Carvalho Chehab static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops, 24715bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 24725bc3cb74SMauro Carvalho Chehab { 24735bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 24745bc3cb74SMauro Carvalho Chehab struct v4l2_dbg_register *p = arg; 247579b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 247679b0c640SHans Verkuil struct v4l2_subdev *sd; 247779b0c640SHans Verkuil int idx = 0; 24785bc3cb74SMauro Carvalho Chehab 24795bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 24805bc3cb74SMauro Carvalho Chehab return -EPERM; 24813eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 248279b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 248379b0c640SHans Verkuil return -EINVAL; 24843eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 24853eef2510SHans Verkuil if (p->match.addr == idx++) 248679b0c640SHans Verkuil return v4l2_subdev_call(sd, core, g_register, p); 248779b0c640SHans Verkuil return -EINVAL; 248879b0c640SHans Verkuil } 2489191b79b0SHans Verkuil if (ops->vidioc_g_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2490191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 24915bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_register(file, fh, p); 249279b0c640SHans Verkuil return -EINVAL; 24935bc3cb74SMauro Carvalho Chehab #else 24945bc3cb74SMauro Carvalho Chehab return -ENOTTY; 24955bc3cb74SMauro Carvalho Chehab #endif 24965bc3cb74SMauro Carvalho Chehab } 24975bc3cb74SMauro Carvalho Chehab 24985bc3cb74SMauro Carvalho Chehab static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, 24995bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 25005bc3cb74SMauro Carvalho Chehab { 25015bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2502977ba3b1SHans Verkuil const struct v4l2_dbg_register *p = arg; 250379b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 250479b0c640SHans Verkuil struct v4l2_subdev *sd; 250579b0c640SHans Verkuil int idx = 0; 25065bc3cb74SMauro Carvalho Chehab 25075bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 25085bc3cb74SMauro Carvalho Chehab return -EPERM; 25093eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 251079b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 251179b0c640SHans Verkuil return -EINVAL; 25123eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 25133eef2510SHans Verkuil if (p->match.addr == idx++) 251479b0c640SHans Verkuil return v4l2_subdev_call(sd, core, s_register, p); 251579b0c640SHans Verkuil return -EINVAL; 251679b0c640SHans Verkuil } 2517191b79b0SHans Verkuil if (ops->vidioc_s_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2518191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 25195bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_register(file, fh, p); 252079b0c640SHans Verkuil return -EINVAL; 25215bc3cb74SMauro Carvalho Chehab #else 25225bc3cb74SMauro Carvalho Chehab return -ENOTTY; 25235bc3cb74SMauro Carvalho Chehab #endif 25245bc3cb74SMauro Carvalho Chehab } 25255bc3cb74SMauro Carvalho Chehab 252696b03d2aSHans Verkuil static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, 252779b0c640SHans Verkuil struct file *file, void *fh, void *arg) 252879b0c640SHans Verkuil { 2529cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 253079b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 253196b03d2aSHans Verkuil struct v4l2_dbg_chip_info *p = arg; 253279b0c640SHans Verkuil struct v4l2_subdev *sd; 253379b0c640SHans Verkuil int idx = 0; 253479b0c640SHans Verkuil 253579b0c640SHans Verkuil switch (p->match.type) { 253679b0c640SHans Verkuil case V4L2_CHIP_MATCH_BRIDGE: 253779b0c640SHans Verkuil if (ops->vidioc_s_register) 253879b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 253979b0c640SHans Verkuil if (ops->vidioc_g_register) 254079b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 2541c0decac1SMauro Carvalho Chehab strscpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); 254296b03d2aSHans Verkuil if (ops->vidioc_g_chip_info) 254396b03d2aSHans Verkuil return ops->vidioc_g_chip_info(file, fh, arg); 25440f0fe4b9SHans Verkuil if (p->match.addr) 25450f0fe4b9SHans Verkuil return -EINVAL; 254679b0c640SHans Verkuil return 0; 254779b0c640SHans Verkuil 25483eef2510SHans Verkuil case V4L2_CHIP_MATCH_SUBDEV: 254979b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 255079b0c640SHans Verkuil break; 255179b0c640SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) { 25523eef2510SHans Verkuil if (p->match.addr != idx++) 25533eef2510SHans Verkuil continue; 255479b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->s_register) 255579b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 255679b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->g_register) 255779b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 2558c0decac1SMauro Carvalho Chehab strscpy(p->name, sd->name, sizeof(p->name)); 255979b0c640SHans Verkuil return 0; 256079b0c640SHans Verkuil } 256179b0c640SHans Verkuil break; 256279b0c640SHans Verkuil } 256379b0c640SHans Verkuil return -EINVAL; 2564cd634f1bSHans Verkuil #else 2565cd634f1bSHans Verkuil return -ENOTTY; 2566cd634f1bSHans Verkuil #endif 256779b0c640SHans Verkuil } 256879b0c640SHans Verkuil 25695bc3cb74SMauro Carvalho Chehab static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, 25705bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 25715bc3cb74SMauro Carvalho Chehab { 25725bc3cb74SMauro Carvalho Chehab return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK); 25735bc3cb74SMauro Carvalho Chehab } 25745bc3cb74SMauro Carvalho Chehab 25755bc3cb74SMauro Carvalho Chehab static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops, 25765bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 25775bc3cb74SMauro Carvalho Chehab { 25785bc3cb74SMauro Carvalho Chehab return ops->vidioc_subscribe_event(fh, arg); 25795bc3cb74SMauro Carvalho Chehab } 25805bc3cb74SMauro Carvalho Chehab 25815bc3cb74SMauro Carvalho Chehab static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops, 25825bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 25835bc3cb74SMauro Carvalho Chehab { 25845bc3cb74SMauro Carvalho Chehab return ops->vidioc_unsubscribe_event(fh, arg); 25855bc3cb74SMauro Carvalho Chehab } 25865bc3cb74SMauro Carvalho Chehab 25875bc3cb74SMauro Carvalho Chehab static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops, 25885bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 25895bc3cb74SMauro Carvalho Chehab { 25905bc3cb74SMauro Carvalho Chehab struct v4l2_sliced_vbi_cap *p = arg; 25914b20259fSHans Verkuil int ret = check_fmt(file, p->type); 25924b20259fSHans Verkuil 25934b20259fSHans Verkuil if (ret) 25944b20259fSHans Verkuil return ret; 25955bc3cb74SMauro Carvalho Chehab 25965bc3cb74SMauro Carvalho Chehab /* Clear up to type, everything after type is zeroed already */ 25975bc3cb74SMauro Carvalho Chehab memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); 25985bc3cb74SMauro Carvalho Chehab 25995bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_sliced_vbi_cap(file, fh, p); 26005bc3cb74SMauro Carvalho Chehab } 26015bc3cb74SMauro Carvalho Chehab 26025bc3cb74SMauro Carvalho Chehab static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, 26035bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 26045bc3cb74SMauro Carvalho Chehab { 26055bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 26065bc3cb74SMauro Carvalho Chehab struct v4l2_frequency_band *p = arg; 26075bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 26085bc3cb74SMauro Carvalho Chehab int err; 26095bc3cb74SMauro Carvalho Chehab 261084099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 2611f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 261284099a28SAntti Palosaari return -EINVAL; 261384099a28SAntti Palosaari type = p->type; 261484099a28SAntti Palosaari } else { 26155bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 26165bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 26175bc3cb74SMauro Carvalho Chehab if (type != p->type) 26185bc3cb74SMauro Carvalho Chehab return -EINVAL; 261984099a28SAntti Palosaari } 2620a7f404afSHans Verkuil if (ops->vidioc_enum_freq_bands) { 2621a7f404afSHans Verkuil err = ops->vidioc_enum_freq_bands(file, fh, p); 2622a7f404afSHans Verkuil if (err != -ENOTTY) 2623a7f404afSHans Verkuil return err; 2624a7f404afSHans Verkuil } 262573f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_TUNER)) { 26265bc3cb74SMauro Carvalho Chehab struct v4l2_tuner t = { 26275bc3cb74SMauro Carvalho Chehab .index = p->tuner, 26285bc3cb74SMauro Carvalho Chehab .type = type, 26295bc3cb74SMauro Carvalho Chehab }; 26305bc3cb74SMauro Carvalho Chehab 263179e8c7beSMauro Carvalho Chehab if (p->index) 263279e8c7beSMauro Carvalho Chehab return -EINVAL; 26335bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, &t); 26345bc3cb74SMauro Carvalho Chehab if (err) 26355bc3cb74SMauro Carvalho Chehab return err; 26365bc3cb74SMauro Carvalho Chehab p->capability = t.capability | V4L2_TUNER_CAP_FREQ_BANDS; 26375bc3cb74SMauro Carvalho Chehab p->rangelow = t.rangelow; 26385bc3cb74SMauro Carvalho Chehab p->rangehigh = t.rangehigh; 26395bc3cb74SMauro Carvalho Chehab p->modulation = (type == V4L2_TUNER_RADIO) ? 26405bc3cb74SMauro Carvalho Chehab V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; 26415bc3cb74SMauro Carvalho Chehab return 0; 26425bc3cb74SMauro Carvalho Chehab } 264373f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_MODULATOR)) { 26445bc3cb74SMauro Carvalho Chehab struct v4l2_modulator m = { 26455bc3cb74SMauro Carvalho Chehab .index = p->tuner, 26465bc3cb74SMauro Carvalho Chehab }; 26475bc3cb74SMauro Carvalho Chehab 26485bc3cb74SMauro Carvalho Chehab if (type != V4L2_TUNER_RADIO) 26495bc3cb74SMauro Carvalho Chehab return -EINVAL; 265079e8c7beSMauro Carvalho Chehab if (p->index) 265179e8c7beSMauro Carvalho Chehab return -EINVAL; 26525bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, &m); 26535bc3cb74SMauro Carvalho Chehab if (err) 26545bc3cb74SMauro Carvalho Chehab return err; 26555bc3cb74SMauro Carvalho Chehab p->capability = m.capability | V4L2_TUNER_CAP_FREQ_BANDS; 26565bc3cb74SMauro Carvalho Chehab p->rangelow = m.rangelow; 26575bc3cb74SMauro Carvalho Chehab p->rangehigh = m.rangehigh; 26585bc3cb74SMauro Carvalho Chehab p->modulation = (type == V4L2_TUNER_RADIO) ? 26595bc3cb74SMauro Carvalho Chehab V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; 26605bc3cb74SMauro Carvalho Chehab return 0; 26615bc3cb74SMauro Carvalho Chehab } 26625bc3cb74SMauro Carvalho Chehab return -ENOTTY; 26635bc3cb74SMauro Carvalho Chehab } 26645bc3cb74SMauro Carvalho Chehab 26655bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info { 26665bc3cb74SMauro Carvalho Chehab unsigned int ioctl; 26675bc3cb74SMauro Carvalho Chehab u32 flags; 26685bc3cb74SMauro Carvalho Chehab const char * const name; 26693ad3b7a2SSami Tolvanen int (*func)(const struct v4l2_ioctl_ops *ops, struct file *file, 26703ad3b7a2SSami Tolvanen void *fh, void *p); 26715bc3cb74SMauro Carvalho Chehab void (*debug)(const void *arg, bool write_only); 26725bc3cb74SMauro Carvalho Chehab }; 26735bc3cb74SMauro Carvalho Chehab 26745bc3cb74SMauro Carvalho Chehab /* This control needs a priority check */ 26755bc3cb74SMauro Carvalho Chehab #define INFO_FL_PRIO (1 << 0) 26765bc3cb74SMauro Carvalho Chehab /* This control can be valid if the filehandle passes a control handler. */ 26775bc3cb74SMauro Carvalho Chehab #define INFO_FL_CTRL (1 << 1) 26785bc3cb74SMauro Carvalho Chehab /* Queuing ioctl */ 26793ad3b7a2SSami Tolvanen #define INFO_FL_QUEUE (1 << 2) 2680043f77edSHans Verkuil /* Always copy back result, even on error */ 26813ad3b7a2SSami Tolvanen #define INFO_FL_ALWAYS_COPY (1 << 3) 26825bc3cb74SMauro Carvalho Chehab /* Zero struct from after the field to the end */ 26835bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR(v4l2_struct, field) \ 26845bc3cb74SMauro Carvalho Chehab ((offsetof(struct v4l2_struct, field) + \ 2685c593642cSPankaj Bharadiya sizeof_field(struct v4l2_struct, field)) << 16) 26865bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) 26875bc3cb74SMauro Carvalho Chehab 26883ad3b7a2SSami Tolvanen #define DEFINE_V4L_STUB_FUNC(_vidioc) \ 26893ad3b7a2SSami Tolvanen static int v4l_stub_ ## _vidioc( \ 26903ad3b7a2SSami Tolvanen const struct v4l2_ioctl_ops *ops, \ 26913ad3b7a2SSami Tolvanen struct file *file, void *fh, void *p) \ 26923ad3b7a2SSami Tolvanen { \ 26933ad3b7a2SSami Tolvanen return ops->vidioc_ ## _vidioc(file, fh, p); \ 26943ad3b7a2SSami Tolvanen } 26953ad3b7a2SSami Tolvanen 26963ad3b7a2SSami Tolvanen #define IOCTL_INFO(_ioctl, _func, _debug, _flags) \ 26975bc3cb74SMauro Carvalho Chehab [_IOC_NR(_ioctl)] = { \ 26985bc3cb74SMauro Carvalho Chehab .ioctl = _ioctl, \ 26993ad3b7a2SSami Tolvanen .flags = _flags, \ 27005bc3cb74SMauro Carvalho Chehab .name = #_ioctl, \ 27013ad3b7a2SSami Tolvanen .func = _func, \ 27025bc3cb74SMauro Carvalho Chehab .debug = _debug, \ 27035bc3cb74SMauro Carvalho Chehab } 27045bc3cb74SMauro Carvalho Chehab 27053ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_fbuf) 27063ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_fbuf) 27073ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(expbuf) 27083ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_std) 27093ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_audio) 27103ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_audio) 27113ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_edid) 27123ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_edid) 27133ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_audout) 27143ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_audout) 27153ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_jpegcomp) 27163ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_jpegcomp) 27173ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(enumaudio) 27183ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(enumaudout) 27193ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(enum_framesizes) 27203ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(enum_frameintervals) 27213ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_enc_index) 27223ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(encoder_cmd) 27233ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(try_encoder_cmd) 27243ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(decoder_cmd) 27253ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(try_decoder_cmd) 27263ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(s_dv_timings) 27273ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(g_dv_timings) 27283ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(enum_dv_timings) 27293ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(query_dv_timings) 27303ad3b7a2SSami Tolvanen DEFINE_V4L_STUB_FUNC(dv_timings_cap) 27315bc3cb74SMauro Carvalho Chehab 27327c91d0a4SEric Biggers static const struct v4l2_ioctl_info v4l2_ioctls[] = { 27333ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), 2734e5b6b07aSLaurent Pinchart IOCTL_INFO(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, 0), 27353ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, 0), 27363ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), 27373ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), 27383ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), 27393ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_FBUF, v4l_stub_g_fbuf, v4l_print_framebuffer, 0), 27403ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_FBUF, v4l_stub_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), 27413ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), 27423ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), 27433ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_EXPBUF, v4l_stub_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), 27443ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), 27453ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 27463ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 27473ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), 27483ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), 27493ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_STD, v4l_stub_g_std, v4l_print_std, 0), 27503ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), 27513ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), 27523ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), 27533ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)), 27543ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), 27553ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), 27563ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), 27573ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_AUDIO, v4l_stub_g_audio, v4l_print_audio, 0), 27583ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_AUDIO, v4l_stub_s_audio, v4l_print_audio, INFO_FL_PRIO), 27593ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), 27603ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), 2761f645e625SNiklas Söderlund IOCTL_INFO(VIDIOC_G_INPUT, v4l_g_input, v4l_print_u32, 0), 27623ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), 27633ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_EDID, v4l_stub_g_edid, v4l_print_edid, INFO_FL_ALWAYS_COPY), 27643ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_EDID, v4l_stub_s_edid, v4l_print_edid, INFO_FL_PRIO | INFO_FL_ALWAYS_COPY), 2765f645e625SNiklas Söderlund IOCTL_INFO(VIDIOC_G_OUTPUT, v4l_g_output, v4l_print_u32, 0), 27663ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), 27673ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), 27683ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_AUDOUT, v4l_stub_g_audout, v4l_print_audioout, 0), 27693ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_AUDOUT, v4l_stub_s_audout, v4l_print_audioout, INFO_FL_PRIO), 27703ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), 27713ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_MODULATOR, v4l_s_modulator, v4l_print_modulator, INFO_FL_PRIO), 27723ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), 27733ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), 27743ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), 27753ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), 27763ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), 27773ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_SELECTION, v4l_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), 27783ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_SELECTION, v4l_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), 27793ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_JPEGCOMP, v4l_stub_g_jpegcomp, v4l_print_jpegcompression, 0), 27803ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_JPEGCOMP, v4l_stub_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), 27813ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), 27823ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), 27833ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUMAUDIO, v4l_stub_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), 27843ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUMAUDOUT, v4l_stub_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), 27853ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), 27863ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), 27873ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)), 27883ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0), 27893ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 27903ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), 27913ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 27923ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, v4l_stub_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), 27933ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, v4l_stub_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), 27943ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_ENC_INDEX, v4l_stub_g_enc_index, v4l_print_enc_idx, 0), 27953ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENCODER_CMD, v4l_stub_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), 27963ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_TRY_ENCODER_CMD, v4l_stub_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), 27973ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DECODER_CMD, v4l_stub_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), 27983ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_TRY_DECODER_CMD, v4l_stub_try_decoder_cmd, v4l_print_decoder_cmd, 0), 27993ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), 28003ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), 28013ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), 28023ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_S_DV_TIMINGS, v4l_stub_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_dv_timings, bt.flags)), 28033ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_G_DV_TIMINGS, v4l_stub_g_dv_timings, v4l_print_dv_timings, 0), 28043ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), 28053ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), 28063ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), 28073ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), 28083ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), 28093ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, v4l_stub_enum_dv_timings, v4l_print_enum_dv_timings, INFO_FL_CLEAR(v4l2_enum_dv_timings, pad)), 28103ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, v4l_stub_query_dv_timings, v4l_print_dv_timings, INFO_FL_ALWAYS_COPY), 28113ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, v4l_stub_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, pad)), 28123ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), 28133ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chip_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), 28143ad3b7a2SSami Tolvanen IOCTL_INFO(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext_ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), 28155bc3cb74SMauro Carvalho Chehab }; 28165bc3cb74SMauro Carvalho Chehab #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) 28175bc3cb74SMauro Carvalho Chehab 281873a11062SHans Verkuil static bool v4l2_is_known_ioctl(unsigned int cmd) 28195bc3cb74SMauro Carvalho Chehab { 28205bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 28215bc3cb74SMauro Carvalho Chehab return false; 28225bc3cb74SMauro Carvalho Chehab return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd; 28235bc3cb74SMauro Carvalho Chehab } 28245bc3cb74SMauro Carvalho Chehab 282573a11062SHans Verkuil static struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, 2826d862bc08SHans Verkuil struct v4l2_fh *vfh, unsigned int cmd, 2827d862bc08SHans Verkuil void *arg) 28285bc3cb74SMauro Carvalho Chehab { 28295bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 28305bc3cb74SMauro Carvalho Chehab return vdev->lock; 2831d862bc08SHans Verkuil if (vfh && vfh->m2m_ctx && 2832d862bc08SHans Verkuil (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) { 2833542a522dSEzequiel Garcia if (vfh->m2m_ctx->q_lock) 2834542a522dSEzequiel Garcia return vfh->m2m_ctx->q_lock; 2835d862bc08SHans Verkuil } 28365bc3cb74SMauro Carvalho Chehab if (vdev->queue && vdev->queue->lock && 28375bc3cb74SMauro Carvalho Chehab (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) 28385bc3cb74SMauro Carvalho Chehab return vdev->queue->lock; 28395bc3cb74SMauro Carvalho Chehab return vdev->lock; 28405bc3cb74SMauro Carvalho Chehab } 28415bc3cb74SMauro Carvalho Chehab 28425bc3cb74SMauro Carvalho Chehab /* Common ioctl debug function. This function can be used by 28435bc3cb74SMauro Carvalho Chehab external ioctl messages as well as internal V4L ioctl */ 28445bc3cb74SMauro Carvalho Chehab void v4l_printk_ioctl(const char *prefix, unsigned int cmd) 28455bc3cb74SMauro Carvalho Chehab { 28465bc3cb74SMauro Carvalho Chehab const char *dir, *type; 28475bc3cb74SMauro Carvalho Chehab 28485bc3cb74SMauro Carvalho Chehab if (prefix) 28495bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "%s: ", prefix); 28505bc3cb74SMauro Carvalho Chehab 28515bc3cb74SMauro Carvalho Chehab switch (_IOC_TYPE(cmd)) { 28525bc3cb74SMauro Carvalho Chehab case 'd': 28535bc3cb74SMauro Carvalho Chehab type = "v4l2_int"; 28545bc3cb74SMauro Carvalho Chehab break; 28555bc3cb74SMauro Carvalho Chehab case 'V': 28565bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) { 28575bc3cb74SMauro Carvalho Chehab type = "v4l2"; 28585bc3cb74SMauro Carvalho Chehab break; 28595bc3cb74SMauro Carvalho Chehab } 28605bc3cb74SMauro Carvalho Chehab pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name); 28615bc3cb74SMauro Carvalho Chehab return; 28625bc3cb74SMauro Carvalho Chehab default: 28635bc3cb74SMauro Carvalho Chehab type = "unknown"; 28645bc3cb74SMauro Carvalho Chehab break; 28655bc3cb74SMauro Carvalho Chehab } 28665bc3cb74SMauro Carvalho Chehab 28675bc3cb74SMauro Carvalho Chehab switch (_IOC_DIR(cmd)) { 28685bc3cb74SMauro Carvalho Chehab case _IOC_NONE: dir = "--"; break; 28695bc3cb74SMauro Carvalho Chehab case _IOC_READ: dir = "r-"; break; 28705bc3cb74SMauro Carvalho Chehab case _IOC_WRITE: dir = "-w"; break; 28715bc3cb74SMauro Carvalho Chehab case _IOC_READ | _IOC_WRITE: dir = "rw"; break; 28725bc3cb74SMauro Carvalho Chehab default: dir = "*ERR*"; break; 28735bc3cb74SMauro Carvalho Chehab } 28745bc3cb74SMauro Carvalho Chehab pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)", 28755bc3cb74SMauro Carvalho Chehab type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); 28765bc3cb74SMauro Carvalho Chehab } 28775bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l_printk_ioctl); 28785bc3cb74SMauro Carvalho Chehab 28795bc3cb74SMauro Carvalho Chehab static long __video_do_ioctl(struct file *file, 28805bc3cb74SMauro Carvalho Chehab unsigned int cmd, void *arg) 28815bc3cb74SMauro Carvalho Chehab { 28825bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 2883cc6eddcdSHans Verkuil struct mutex *req_queue_lock = NULL; 288473a11062SHans Verkuil struct mutex *lock; /* ioctl serialization mutex */ 28855bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; 28865bc3cb74SMauro Carvalho Chehab bool write_only = false; 28875bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info default_info; 28885bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_info *info; 28895bc3cb74SMauro Carvalho Chehab void *fh = file->private_data; 28905bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = NULL; 289117028cdbSHans Verkuil int dev_debug = vfd->dev_debug; 28925bc3cb74SMauro Carvalho Chehab long ret = -ENOTTY; 28935bc3cb74SMauro Carvalho Chehab 28945bc3cb74SMauro Carvalho Chehab if (ops == NULL) { 28955bc3cb74SMauro Carvalho Chehab pr_warn("%s: has no ioctl_ops.\n", 28965bc3cb74SMauro Carvalho Chehab video_device_node_name(vfd)); 28975bc3cb74SMauro Carvalho Chehab return ret; 28985bc3cb74SMauro Carvalho Chehab } 28995bc3cb74SMauro Carvalho Chehab 2900b7284bb0SRamakrishnan Muthukrishnan if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 29015bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 29025bc3cb74SMauro Carvalho Chehab 2903cc6eddcdSHans Verkuil /* 2904cc6eddcdSHans Verkuil * We need to serialize streamon/off with queueing new requests. 2905cc6eddcdSHans Verkuil * These ioctls may trigger the cancellation of a streaming 2906cc6eddcdSHans Verkuil * operation, and that should not be mixed with queueing a new 2907cc6eddcdSHans Verkuil * request at the same time. 2908cc6eddcdSHans Verkuil */ 2909cc6eddcdSHans Verkuil if (v4l2_device_supports_requests(vfd->v4l2_dev) && 2910cc6eddcdSHans Verkuil (cmd == VIDIOC_STREAMON || cmd == VIDIOC_STREAMOFF)) { 2911cc6eddcdSHans Verkuil req_queue_lock = &vfd->v4l2_dev->mdev->req_queue_mutex; 2912cc6eddcdSHans Verkuil 2913cc6eddcdSHans Verkuil if (mutex_lock_interruptible(req_queue_lock)) 2914cc6eddcdSHans Verkuil return -ERESTARTSYS; 2915cc6eddcdSHans Verkuil } 2916cc6eddcdSHans Verkuil 2917d862bc08SHans Verkuil lock = v4l2_ioctl_get_lock(vfd, vfh, cmd, arg); 291873a11062SHans Verkuil 2919cc6eddcdSHans Verkuil if (lock && mutex_lock_interruptible(lock)) { 2920cc6eddcdSHans Verkuil if (req_queue_lock) 2921cc6eddcdSHans Verkuil mutex_unlock(req_queue_lock); 292273a11062SHans Verkuil return -ERESTARTSYS; 2923cc6eddcdSHans Verkuil } 292473a11062SHans Verkuil 292573a11062SHans Verkuil if (!video_is_registered(vfd)) { 292673a11062SHans Verkuil ret = -ENODEV; 292773a11062SHans Verkuil goto unlock; 292873a11062SHans Verkuil } 292973a11062SHans Verkuil 29305bc3cb74SMauro Carvalho Chehab if (v4l2_is_known_ioctl(cmd)) { 29315bc3cb74SMauro Carvalho Chehab info = &v4l2_ioctls[_IOC_NR(cmd)]; 29325bc3cb74SMauro Carvalho Chehab 29335bc3cb74SMauro Carvalho Chehab if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) && 29345bc3cb74SMauro Carvalho Chehab !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler)) 29355bc3cb74SMauro Carvalho Chehab goto done; 29365bc3cb74SMauro Carvalho Chehab 2937b7284bb0SRamakrishnan Muthukrishnan if (vfh && (info->flags & INFO_FL_PRIO)) { 29385bc3cb74SMauro Carvalho Chehab ret = v4l2_prio_check(vfd->prio, vfh->prio); 29395bc3cb74SMauro Carvalho Chehab if (ret) 29405bc3cb74SMauro Carvalho Chehab goto done; 29415bc3cb74SMauro Carvalho Chehab } 29425bc3cb74SMauro Carvalho Chehab } else { 29435bc3cb74SMauro Carvalho Chehab default_info.ioctl = cmd; 29445bc3cb74SMauro Carvalho Chehab default_info.flags = 0; 29455bc3cb74SMauro Carvalho Chehab default_info.debug = v4l_print_default; 29465bc3cb74SMauro Carvalho Chehab info = &default_info; 29475bc3cb74SMauro Carvalho Chehab } 29485bc3cb74SMauro Carvalho Chehab 29495bc3cb74SMauro Carvalho Chehab write_only = _IOC_DIR(cmd) == _IOC_WRITE; 29503ad3b7a2SSami Tolvanen if (info != &default_info) { 29513ad3b7a2SSami Tolvanen ret = info->func(ops, file, fh, arg); 29525bc3cb74SMauro Carvalho Chehab } else if (!ops->vidioc_default) { 29535bc3cb74SMauro Carvalho Chehab ret = -ENOTTY; 29545bc3cb74SMauro Carvalho Chehab } else { 29555bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_default(file, fh, 2956b7284bb0SRamakrishnan Muthukrishnan vfh ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0, 29575bc3cb74SMauro Carvalho Chehab cmd, arg); 29585bc3cb74SMauro Carvalho Chehab } 29595bc3cb74SMauro Carvalho Chehab 29605bc3cb74SMauro Carvalho Chehab done: 296117028cdbSHans Verkuil if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) { 296217028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) && 296317028cdbSHans Verkuil (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) 29645983d3bcSHans Verkuil goto unlock; 296517028cdbSHans Verkuil 29665bc3cb74SMauro Carvalho Chehab v4l_printk_ioctl(video_device_node_name(vfd), cmd); 29675bc3cb74SMauro Carvalho Chehab if (ret < 0) 2968505d04bdSHans Verkuil pr_cont(": error %ld", ret); 296917028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_IOCTL_ARG)) 29705bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 29715bc3cb74SMauro Carvalho Chehab else if (_IOC_DIR(cmd) == _IOC_NONE) 29725bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 29735bc3cb74SMauro Carvalho Chehab else { 29745bc3cb74SMauro Carvalho Chehab pr_cont(": "); 29755bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 29765bc3cb74SMauro Carvalho Chehab } 29775bc3cb74SMauro Carvalho Chehab } 29785bc3cb74SMauro Carvalho Chehab 297973a11062SHans Verkuil unlock: 298073a11062SHans Verkuil if (lock) 298173a11062SHans Verkuil mutex_unlock(lock); 2982cc6eddcdSHans Verkuil if (req_queue_lock) 2983cc6eddcdSHans Verkuil mutex_unlock(req_queue_lock); 29845bc3cb74SMauro Carvalho Chehab return ret; 29855bc3cb74SMauro Carvalho Chehab } 29865bc3cb74SMauro Carvalho Chehab 29875bc3cb74SMauro Carvalho Chehab static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, 2988ba2d35c1SHans Verkuil void __user **user_ptr, void ***kernel_ptr) 29895bc3cb74SMauro Carvalho Chehab { 29905bc3cb74SMauro Carvalho Chehab int ret = 0; 29915bc3cb74SMauro Carvalho Chehab 29925bc3cb74SMauro Carvalho Chehab switch (cmd) { 299396b1a702SHans Verkuil case VIDIOC_PREPARE_BUF: 29945bc3cb74SMauro Carvalho Chehab case VIDIOC_QUERYBUF: 29955bc3cb74SMauro Carvalho Chehab case VIDIOC_QBUF: 29965bc3cb74SMauro Carvalho Chehab case VIDIOC_DQBUF: { 29975bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *buf = parg; 29985bc3cb74SMauro Carvalho Chehab 29995bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { 30005bc3cb74SMauro Carvalho Chehab if (buf->length > VIDEO_MAX_PLANES) { 30015bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 30025bc3cb74SMauro Carvalho Chehab break; 30035bc3cb74SMauro Carvalho Chehab } 30045bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)buf->m.planes; 3005ba2d35c1SHans Verkuil *kernel_ptr = (void **)&buf->m.planes; 30065bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_plane) * buf->length; 30075bc3cb74SMauro Carvalho Chehab ret = 1; 30085bc3cb74SMauro Carvalho Chehab } 30095bc3cb74SMauro Carvalho Chehab break; 30105bc3cb74SMauro Carvalho Chehab } 30115bc3cb74SMauro Carvalho Chehab 3012dd519bb3SHans Verkuil case VIDIOC_G_EDID: 3013dd519bb3SHans Verkuil case VIDIOC_S_EDID: { 3014dd519bb3SHans Verkuil struct v4l2_edid *edid = parg; 3015ed45ce2cSHans Verkuil 3016ed45ce2cSHans Verkuil if (edid->blocks) { 30171b8b10ccSHans Verkuil if (edid->blocks > 256) { 30181b8b10ccSHans Verkuil ret = -EINVAL; 30191b8b10ccSHans Verkuil break; 30201b8b10ccSHans Verkuil } 3021ed45ce2cSHans Verkuil *user_ptr = (void __user *)edid->edid; 3022ba2d35c1SHans Verkuil *kernel_ptr = (void **)&edid->edid; 3023ed45ce2cSHans Verkuil *array_size = edid->blocks * 128; 3024ed45ce2cSHans Verkuil ret = 1; 3025ed45ce2cSHans Verkuil } 3026ed45ce2cSHans Verkuil break; 3027ed45ce2cSHans Verkuil } 3028ed45ce2cSHans Verkuil 30295bc3cb74SMauro Carvalho Chehab case VIDIOC_S_EXT_CTRLS: 30305bc3cb74SMauro Carvalho Chehab case VIDIOC_G_EXT_CTRLS: 30315bc3cb74SMauro Carvalho Chehab case VIDIOC_TRY_EXT_CTRLS: { 30325bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *ctrls = parg; 30335bc3cb74SMauro Carvalho Chehab 30345bc3cb74SMauro Carvalho Chehab if (ctrls->count != 0) { 30355bc3cb74SMauro Carvalho Chehab if (ctrls->count > V4L2_CID_MAX_CTRLS) { 30365bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 30375bc3cb74SMauro Carvalho Chehab break; 30385bc3cb74SMauro Carvalho Chehab } 30395bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)ctrls->controls; 3040ba2d35c1SHans Verkuil *kernel_ptr = (void **)&ctrls->controls; 30415bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_ext_control) 30425bc3cb74SMauro Carvalho Chehab * ctrls->count; 30435bc3cb74SMauro Carvalho Chehab ret = 1; 30445bc3cb74SMauro Carvalho Chehab } 30455bc3cb74SMauro Carvalho Chehab break; 30465bc3cb74SMauro Carvalho Chehab } 30473f65c6f6SArnd Bergmann case VIDIOC_G_FMT: 30483f65c6f6SArnd Bergmann case VIDIOC_S_FMT: 30493f65c6f6SArnd Bergmann case VIDIOC_TRY_FMT: { 30503f65c6f6SArnd Bergmann struct v4l2_format *fmt = parg; 30513f65c6f6SArnd Bergmann 30523f65c6f6SArnd Bergmann if (fmt->type != V4L2_BUF_TYPE_VIDEO_OVERLAY && 30533f65c6f6SArnd Bergmann fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY) 30543f65c6f6SArnd Bergmann break; 30553f65c6f6SArnd Bergmann if (fmt->fmt.win.clipcount > 2048) 30563f65c6f6SArnd Bergmann return -EINVAL; 30573f65c6f6SArnd Bergmann if (!fmt->fmt.win.clipcount) 30583f65c6f6SArnd Bergmann break; 30593f65c6f6SArnd Bergmann 30603f65c6f6SArnd Bergmann *user_ptr = (void __user *)fmt->fmt.win.clips; 30613f65c6f6SArnd Bergmann *kernel_ptr = (void **)&fmt->fmt.win.clips; 30623f65c6f6SArnd Bergmann *array_size = sizeof(struct v4l2_clip) 30633f65c6f6SArnd Bergmann * fmt->fmt.win.clipcount; 30643f65c6f6SArnd Bergmann 30653f65c6f6SArnd Bergmann ret = 1; 30663f65c6f6SArnd Bergmann break; 30673f65c6f6SArnd Bergmann } 30685bc3cb74SMauro Carvalho Chehab } 30695bc3cb74SMauro Carvalho Chehab 30705bc3cb74SMauro Carvalho Chehab return ret; 30715bc3cb74SMauro Carvalho Chehab } 30725bc3cb74SMauro Carvalho Chehab 3073c8ef1a60SArnd Bergmann static unsigned int video_translate_cmd(unsigned int cmd) 3074c8ef1a60SArnd Bergmann { 3075*c344f07aSArnd Bergmann #if !defined(CONFIG_64BIT) && defined(CONFIG_COMPAT_32BIT_TIME) 30761a6c0b36SArnd Bergmann switch (cmd) { 30771a6c0b36SArnd Bergmann case VIDIOC_DQEVENT_TIME32: 30781a6c0b36SArnd Bergmann return VIDIOC_DQEVENT; 3079577c89b0SArnd Bergmann case VIDIOC_QUERYBUF_TIME32: 3080577c89b0SArnd Bergmann return VIDIOC_QUERYBUF; 3081577c89b0SArnd Bergmann case VIDIOC_QBUF_TIME32: 3082577c89b0SArnd Bergmann return VIDIOC_QBUF; 3083577c89b0SArnd Bergmann case VIDIOC_DQBUF_TIME32: 3084577c89b0SArnd Bergmann return VIDIOC_DQBUF; 3085577c89b0SArnd Bergmann case VIDIOC_PREPARE_BUF_TIME32: 3086577c89b0SArnd Bergmann return VIDIOC_PREPARE_BUF; 30871a6c0b36SArnd Bergmann } 3088*c344f07aSArnd Bergmann #endif 30898dbcc3faSArnd Bergmann if (in_compat_syscall()) 30908dbcc3faSArnd Bergmann return v4l2_compat_translate_cmd(cmd); 30911a6c0b36SArnd Bergmann 3092c8ef1a60SArnd Bergmann return cmd; 3093c8ef1a60SArnd Bergmann } 3094c8ef1a60SArnd Bergmann 30958dbcc3faSArnd Bergmann static int video_get_user(void __user *arg, void *parg, 30968dbcc3faSArnd Bergmann unsigned int real_cmd, unsigned int cmd, 3097c8ef1a60SArnd Bergmann bool *always_copy) 3098c8ef1a60SArnd Bergmann { 30998dbcc3faSArnd Bergmann unsigned int n = _IOC_SIZE(real_cmd); 31008dbcc3faSArnd Bergmann int err = 0; 3101c8ef1a60SArnd Bergmann 3102c8ef1a60SArnd Bergmann if (!(_IOC_DIR(cmd) & _IOC_WRITE)) { 3103c8ef1a60SArnd Bergmann /* read-only ioctl */ 3104c8ef1a60SArnd Bergmann memset(parg, 0, n); 3105c8ef1a60SArnd Bergmann return 0; 3106c8ef1a60SArnd Bergmann } 3107c8ef1a60SArnd Bergmann 31088dbcc3faSArnd Bergmann /* 31098dbcc3faSArnd Bergmann * In some cases, only a few fields are used as input, 31108dbcc3faSArnd Bergmann * i.e. when the app sets "index" and then the driver 31118dbcc3faSArnd Bergmann * fills in the rest of the structure for the thing 31128dbcc3faSArnd Bergmann * with that index. We only need to copy up the first 31138dbcc3faSArnd Bergmann * non-input field. 31148dbcc3faSArnd Bergmann */ 31158dbcc3faSArnd Bergmann if (v4l2_is_known_ioctl(real_cmd)) { 31168dbcc3faSArnd Bergmann u32 flags = v4l2_ioctls[_IOC_NR(real_cmd)].flags; 31178dbcc3faSArnd Bergmann 31188dbcc3faSArnd Bergmann if (flags & INFO_FL_CLEAR_MASK) 31198dbcc3faSArnd Bergmann n = (flags & INFO_FL_CLEAR_MASK) >> 16; 31208dbcc3faSArnd Bergmann *always_copy = flags & INFO_FL_ALWAYS_COPY; 31218dbcc3faSArnd Bergmann } 31228dbcc3faSArnd Bergmann 31238dbcc3faSArnd Bergmann if (cmd == real_cmd) { 31248dbcc3faSArnd Bergmann if (copy_from_user(parg, (void __user *)arg, n)) 31258dbcc3faSArnd Bergmann err = -EFAULT; 31268dbcc3faSArnd Bergmann } else if (in_compat_syscall()) { 31278dbcc3faSArnd Bergmann err = v4l2_compat_get_user(arg, parg, cmd); 31288dbcc3faSArnd Bergmann } else { 3129*c344f07aSArnd Bergmann #if !defined(CONFIG_64BIT) && defined(CONFIG_COMPAT_32BIT_TIME) 3130c8ef1a60SArnd Bergmann switch (cmd) { 3131577c89b0SArnd Bergmann case VIDIOC_QUERYBUF_TIME32: 3132577c89b0SArnd Bergmann case VIDIOC_QBUF_TIME32: 3133577c89b0SArnd Bergmann case VIDIOC_DQBUF_TIME32: 3134577c89b0SArnd Bergmann case VIDIOC_PREPARE_BUF_TIME32: { 3135577c89b0SArnd Bergmann struct v4l2_buffer_time32 vb32; 3136577c89b0SArnd Bergmann struct v4l2_buffer *vb = parg; 3137577c89b0SArnd Bergmann 3138577c89b0SArnd Bergmann if (copy_from_user(&vb32, arg, sizeof(vb32))) 3139577c89b0SArnd Bergmann return -EFAULT; 3140577c89b0SArnd Bergmann 3141577c89b0SArnd Bergmann *vb = (struct v4l2_buffer) { 3142577c89b0SArnd Bergmann .index = vb32.index, 3143577c89b0SArnd Bergmann .type = vb32.type, 3144577c89b0SArnd Bergmann .bytesused = vb32.bytesused, 3145577c89b0SArnd Bergmann .flags = vb32.flags, 3146577c89b0SArnd Bergmann .field = vb32.field, 3147577c89b0SArnd Bergmann .timestamp.tv_sec = vb32.timestamp.tv_sec, 3148577c89b0SArnd Bergmann .timestamp.tv_usec = vb32.timestamp.tv_usec, 3149577c89b0SArnd Bergmann .timecode = vb32.timecode, 3150577c89b0SArnd Bergmann .sequence = vb32.sequence, 3151577c89b0SArnd Bergmann .memory = vb32.memory, 3152577c89b0SArnd Bergmann .m.userptr = vb32.m.userptr, 3153577c89b0SArnd Bergmann .length = vb32.length, 3154577c89b0SArnd Bergmann .request_fd = vb32.request_fd, 3155577c89b0SArnd Bergmann }; 3156577c89b0SArnd Bergmann break; 3157577c89b0SArnd Bergmann } 3158c8ef1a60SArnd Bergmann } 3159*c344f07aSArnd Bergmann #endif 31608dbcc3faSArnd Bergmann } 3161c8ef1a60SArnd Bergmann 3162c8ef1a60SArnd Bergmann /* zero out anything we don't copy from userspace */ 31638dbcc3faSArnd Bergmann if (!err && n < _IOC_SIZE(real_cmd)) 31648dbcc3faSArnd Bergmann memset((u8 *)parg + n, 0, _IOC_SIZE(real_cmd) - n); 31658dbcc3faSArnd Bergmann return err; 3166c8ef1a60SArnd Bergmann } 3167c8ef1a60SArnd Bergmann 31688dbcc3faSArnd Bergmann static int video_put_user(void __user *arg, void *parg, 31698dbcc3faSArnd Bergmann unsigned int real_cmd, unsigned int cmd) 3170c8ef1a60SArnd Bergmann { 3171c8ef1a60SArnd Bergmann if (!(_IOC_DIR(cmd) & _IOC_READ)) 3172c8ef1a60SArnd Bergmann return 0; 3173c8ef1a60SArnd Bergmann 31748dbcc3faSArnd Bergmann if (cmd == real_cmd) { 31758dbcc3faSArnd Bergmann /* Copy results into user buffer */ 31768dbcc3faSArnd Bergmann if (copy_to_user(arg, parg, _IOC_SIZE(cmd))) 31778dbcc3faSArnd Bergmann return -EFAULT; 31788dbcc3faSArnd Bergmann return 0; 31798dbcc3faSArnd Bergmann } 31808dbcc3faSArnd Bergmann 31818dbcc3faSArnd Bergmann if (in_compat_syscall()) 31828dbcc3faSArnd Bergmann return v4l2_compat_put_user(arg, parg, cmd); 31838dbcc3faSArnd Bergmann 3184*c344f07aSArnd Bergmann #if !defined(CONFIG_64BIT) && defined(CONFIG_COMPAT_32BIT_TIME) 3185c8ef1a60SArnd Bergmann switch (cmd) { 31861a6c0b36SArnd Bergmann case VIDIOC_DQEVENT_TIME32: { 31871a6c0b36SArnd Bergmann struct v4l2_event *ev = parg; 31884ffb879eSPeilin Ye struct v4l2_event_time32 ev32; 31894ffb879eSPeilin Ye 31904ffb879eSPeilin Ye memset(&ev32, 0, sizeof(ev32)); 31914ffb879eSPeilin Ye 31924ffb879eSPeilin Ye ev32.type = ev->type; 31934ffb879eSPeilin Ye ev32.pending = ev->pending; 31944ffb879eSPeilin Ye ev32.sequence = ev->sequence; 31954ffb879eSPeilin Ye ev32.timestamp.tv_sec = ev->timestamp.tv_sec; 31964ffb879eSPeilin Ye ev32.timestamp.tv_nsec = ev->timestamp.tv_nsec; 31974ffb879eSPeilin Ye ev32.id = ev->id; 31981a6c0b36SArnd Bergmann 31991a6c0b36SArnd Bergmann memcpy(&ev32.u, &ev->u, sizeof(ev->u)); 32001a6c0b36SArnd Bergmann memcpy(&ev32.reserved, &ev->reserved, sizeof(ev->reserved)); 32011a6c0b36SArnd Bergmann 32021a6c0b36SArnd Bergmann if (copy_to_user(arg, &ev32, sizeof(ev32))) 32031a6c0b36SArnd Bergmann return -EFAULT; 32041a6c0b36SArnd Bergmann break; 32051a6c0b36SArnd Bergmann } 3206577c89b0SArnd Bergmann case VIDIOC_QUERYBUF_TIME32: 3207577c89b0SArnd Bergmann case VIDIOC_QBUF_TIME32: 3208577c89b0SArnd Bergmann case VIDIOC_DQBUF_TIME32: 3209577c89b0SArnd Bergmann case VIDIOC_PREPARE_BUF_TIME32: { 3210577c89b0SArnd Bergmann struct v4l2_buffer *vb = parg; 32114ffb879eSPeilin Ye struct v4l2_buffer_time32 vb32; 32124ffb879eSPeilin Ye 32134ffb879eSPeilin Ye memset(&vb32, 0, sizeof(vb32)); 32144ffb879eSPeilin Ye 32154ffb879eSPeilin Ye vb32.index = vb->index; 32164ffb879eSPeilin Ye vb32.type = vb->type; 32174ffb879eSPeilin Ye vb32.bytesused = vb->bytesused; 32184ffb879eSPeilin Ye vb32.flags = vb->flags; 32194ffb879eSPeilin Ye vb32.field = vb->field; 32204ffb879eSPeilin Ye vb32.timestamp.tv_sec = vb->timestamp.tv_sec; 32214ffb879eSPeilin Ye vb32.timestamp.tv_usec = vb->timestamp.tv_usec; 32224ffb879eSPeilin Ye vb32.timecode = vb->timecode; 32234ffb879eSPeilin Ye vb32.sequence = vb->sequence; 32244ffb879eSPeilin Ye vb32.memory = vb->memory; 32254ffb879eSPeilin Ye vb32.m.userptr = vb->m.userptr; 32264ffb879eSPeilin Ye vb32.length = vb->length; 32274ffb879eSPeilin Ye vb32.request_fd = vb->request_fd; 3228577c89b0SArnd Bergmann 3229577c89b0SArnd Bergmann if (copy_to_user(arg, &vb32, sizeof(vb32))) 3230577c89b0SArnd Bergmann return -EFAULT; 3231577c89b0SArnd Bergmann break; 3232577c89b0SArnd Bergmann } 3233c8ef1a60SArnd Bergmann } 3234*c344f07aSArnd Bergmann #endif 3235c8ef1a60SArnd Bergmann 3236c8ef1a60SArnd Bergmann return 0; 3237c8ef1a60SArnd Bergmann } 3238c8ef1a60SArnd Bergmann 32395bc3cb74SMauro Carvalho Chehab long 3240c8ef1a60SArnd Bergmann video_usercopy(struct file *file, unsigned int orig_cmd, unsigned long arg, 32415bc3cb74SMauro Carvalho Chehab v4l2_kioctl func) 32425bc3cb74SMauro Carvalho Chehab { 32435bc3cb74SMauro Carvalho Chehab char sbuf[128]; 3244fb18802aSSakari Ailus void *mbuf = NULL, *array_buf = NULL; 32455bc3cb74SMauro Carvalho Chehab void *parg = (void *)arg; 32465bc3cb74SMauro Carvalho Chehab long err = -EINVAL; 32475bc3cb74SMauro Carvalho Chehab bool has_array_args; 3248043f77edSHans Verkuil bool always_copy = false; 32495bc3cb74SMauro Carvalho Chehab size_t array_size = 0; 32505bc3cb74SMauro Carvalho Chehab void __user *user_ptr = NULL; 32515bc3cb74SMauro Carvalho Chehab void **kernel_ptr = NULL; 3252c8ef1a60SArnd Bergmann unsigned int cmd = video_translate_cmd(orig_cmd); 3253f8a695c4SMauro Carvalho Chehab const size_t ioc_size = _IOC_SIZE(cmd); 32545bc3cb74SMauro Carvalho Chehab 32555bc3cb74SMauro Carvalho Chehab /* Copy arguments into temp kernel buffer */ 32565bc3cb74SMauro Carvalho Chehab if (_IOC_DIR(cmd) != _IOC_NONE) { 3257f8a695c4SMauro Carvalho Chehab if (ioc_size <= sizeof(sbuf)) { 32585bc3cb74SMauro Carvalho Chehab parg = sbuf; 32595bc3cb74SMauro Carvalho Chehab } else { 32605bc3cb74SMauro Carvalho Chehab /* too big to allocate from stack */ 326162a12551SSakari Ailus mbuf = kmalloc(ioc_size, GFP_KERNEL); 32625bc3cb74SMauro Carvalho Chehab if (NULL == mbuf) 32635bc3cb74SMauro Carvalho Chehab return -ENOMEM; 32645bc3cb74SMauro Carvalho Chehab parg = mbuf; 32655bc3cb74SMauro Carvalho Chehab } 32665bc3cb74SMauro Carvalho Chehab 32678dbcc3faSArnd Bergmann err = video_get_user((void __user *)arg, parg, cmd, 32688dbcc3faSArnd Bergmann orig_cmd, &always_copy); 3269c8ef1a60SArnd Bergmann if (err) 32705bc3cb74SMauro Carvalho Chehab goto out; 32711dc8b65cSArnd Bergmann } 32725bc3cb74SMauro Carvalho Chehab 32735bc3cb74SMauro Carvalho Chehab err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); 32745bc3cb74SMauro Carvalho Chehab if (err < 0) 32755bc3cb74SMauro Carvalho Chehab goto out; 32765bc3cb74SMauro Carvalho Chehab has_array_args = err; 32775bc3cb74SMauro Carvalho Chehab 32785bc3cb74SMauro Carvalho Chehab if (has_array_args) { 3279fb18802aSSakari Ailus array_buf = kvmalloc(array_size, GFP_KERNEL); 32805bc3cb74SMauro Carvalho Chehab err = -ENOMEM; 3281fb18802aSSakari Ailus if (array_buf == NULL) 32825bc3cb74SMauro Carvalho Chehab goto out_array_args; 32835bc3cb74SMauro Carvalho Chehab err = -EFAULT; 32848dbcc3faSArnd Bergmann if (in_compat_syscall()) 3285fb18802aSSakari Ailus err = v4l2_compat_get_array_args(file, array_buf, 3286fb18802aSSakari Ailus user_ptr, array_size, 3287fb18802aSSakari Ailus orig_cmd, parg); 32888dbcc3faSArnd Bergmann else 3289fb18802aSSakari Ailus err = copy_from_user(array_buf, user_ptr, array_size) ? 32908dbcc3faSArnd Bergmann -EFAULT : 0; 32918dbcc3faSArnd Bergmann if (err) 32925bc3cb74SMauro Carvalho Chehab goto out_array_args; 3293fb18802aSSakari Ailus *kernel_ptr = array_buf; 32945bc3cb74SMauro Carvalho Chehab } 32955bc3cb74SMauro Carvalho Chehab 32965bc3cb74SMauro Carvalho Chehab /* Handles IOCTL */ 32975bc3cb74SMauro Carvalho Chehab err = func(file, cmd, parg); 3298181a4a2dSHans Verkuil if (err == -ENOTTY || err == -ENOIOCTLCMD) { 32995bc3cb74SMauro Carvalho Chehab err = -ENOTTY; 3300181a4a2dSHans Verkuil goto out; 3301181a4a2dSHans Verkuil } 3302181a4a2dSHans Verkuil 3303aa32f4c0SHans Verkuil if (err == 0) { 3304aa32f4c0SHans Verkuil if (cmd == VIDIOC_DQBUF) 3305aa32f4c0SHans Verkuil trace_v4l2_dqbuf(video_devdata(file)->minor, parg); 3306aa32f4c0SHans Verkuil else if (cmd == VIDIOC_QBUF) 3307aa32f4c0SHans Verkuil trace_v4l2_qbuf(video_devdata(file)->minor, parg); 3308aa32f4c0SHans Verkuil } 33095bc3cb74SMauro Carvalho Chehab 33105bc3cb74SMauro Carvalho Chehab if (has_array_args) { 3311ba2d35c1SHans Verkuil *kernel_ptr = (void __force *)user_ptr; 33128dbcc3faSArnd Bergmann if (in_compat_syscall()) { 33138dbcc3faSArnd Bergmann int put_err; 33148dbcc3faSArnd Bergmann 3315fb18802aSSakari Ailus put_err = v4l2_compat_put_array_args(file, user_ptr, 3316fb18802aSSakari Ailus array_buf, 3317fb18802aSSakari Ailus array_size, 3318fb18802aSSakari Ailus orig_cmd, parg); 33198dbcc3faSArnd Bergmann if (put_err) 33208dbcc3faSArnd Bergmann err = put_err; 3321fb18802aSSakari Ailus } else if (copy_to_user(user_ptr, array_buf, array_size)) { 33225bc3cb74SMauro Carvalho Chehab err = -EFAULT; 33238dbcc3faSArnd Bergmann } 33245bc3cb74SMauro Carvalho Chehab goto out_array_args; 33255bc3cb74SMauro Carvalho Chehab } 3326043f77edSHans Verkuil /* 3327043f77edSHans Verkuil * Some ioctls can return an error, but still have valid 3328043f77edSHans Verkuil * results that must be returned. 3329043f77edSHans Verkuil */ 3330043f77edSHans Verkuil if (err < 0 && !always_copy) 33315bc3cb74SMauro Carvalho Chehab goto out; 33325bc3cb74SMauro Carvalho Chehab 33335bc3cb74SMauro Carvalho Chehab out_array_args: 33348dbcc3faSArnd Bergmann if (video_put_user((void __user *)arg, parg, cmd, orig_cmd)) 33355bc3cb74SMauro Carvalho Chehab err = -EFAULT; 33365bc3cb74SMauro Carvalho Chehab out: 3337fb18802aSSakari Ailus kvfree(array_buf); 333862a12551SSakari Ailus kfree(mbuf); 33395bc3cb74SMauro Carvalho Chehab return err; 33405bc3cb74SMauro Carvalho Chehab } 33415bc3cb74SMauro Carvalho Chehab 33425bc3cb74SMauro Carvalho Chehab long video_ioctl2(struct file *file, 33435bc3cb74SMauro Carvalho Chehab unsigned int cmd, unsigned long arg) 33445bc3cb74SMauro Carvalho Chehab { 33455bc3cb74SMauro Carvalho Chehab return video_usercopy(file, cmd, arg, __video_do_ioctl); 33465bc3cb74SMauro Carvalho Chehab } 33475bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(video_ioctl2); 3348