15bc3cb74SMauro Carvalho Chehab /* 25bc3cb74SMauro Carvalho Chehab * Video capture interface for Linux version 2 35bc3cb74SMauro Carvalho Chehab * 45bc3cb74SMauro Carvalho Chehab * A generic framework to process V4L2 ioctl commands. 55bc3cb74SMauro Carvalho Chehab * 65bc3cb74SMauro Carvalho Chehab * This program is free software; you can redistribute it and/or 75bc3cb74SMauro Carvalho Chehab * modify it under the terms of the GNU General Public License 85bc3cb74SMauro Carvalho Chehab * as published by the Free Software Foundation; either version 95bc3cb74SMauro Carvalho Chehab * 2 of the License, or (at your option) any later version. 105bc3cb74SMauro Carvalho Chehab * 115bc3cb74SMauro Carvalho Chehab * Authors: Alan Cox, <alan@lxorguk.ukuu.org.uk> (version 1) 125bc3cb74SMauro Carvalho Chehab * Mauro Carvalho Chehab <mchehab@infradead.org> (version 2) 135bc3cb74SMauro Carvalho Chehab */ 145bc3cb74SMauro Carvalho Chehab 155bc3cb74SMauro Carvalho Chehab #include <linux/module.h> 165bc3cb74SMauro Carvalho Chehab #include <linux/slab.h> 175bc3cb74SMauro Carvalho Chehab #include <linux/types.h> 185bc3cb74SMauro Carvalho Chehab #include <linux/kernel.h> 195bc3cb74SMauro Carvalho Chehab #include <linux/version.h> 205bc3cb74SMauro Carvalho Chehab 215bc3cb74SMauro Carvalho Chehab #include <linux/videodev2.h> 225bc3cb74SMauro Carvalho Chehab 235bc3cb74SMauro Carvalho Chehab #include <media/v4l2-common.h> 245bc3cb74SMauro Carvalho Chehab #include <media/v4l2-ioctl.h> 255bc3cb74SMauro Carvalho Chehab #include <media/v4l2-ctrls.h> 265bc3cb74SMauro Carvalho Chehab #include <media/v4l2-fh.h> 275bc3cb74SMauro Carvalho Chehab #include <media/v4l2-event.h> 285bc3cb74SMauro Carvalho Chehab #include <media/v4l2-device.h> 29c139990eSJunghak Sung #include <media/videobuf2-v4l2.h> 3077fa4e07SShuah Khan #include <media/v4l2-mc.h> 315bc3cb74SMauro Carvalho Chehab 32aa32f4c0SHans Verkuil #include <trace/events/v4l2.h> 33aa32f4c0SHans Verkuil 345bc3cb74SMauro Carvalho Chehab /* Zero out the end of the struct pointed to by p. Everything after, but 355bc3cb74SMauro Carvalho Chehab * not including, the specified field is cleared. */ 365bc3cb74SMauro Carvalho Chehab #define CLEAR_AFTER_FIELD(p, field) \ 375bc3cb74SMauro Carvalho Chehab memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ 385bc3cb74SMauro Carvalho Chehab 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) 395bc3cb74SMauro Carvalho Chehab 4073f35418SHans Verkuil #define is_valid_ioctl(vfd, cmd) test_bit(_IOC_NR(cmd), (vfd)->valid_ioctls) 4173f35418SHans Verkuil 425bc3cb74SMauro Carvalho Chehab struct std_descr { 435bc3cb74SMauro Carvalho Chehab v4l2_std_id std; 445bc3cb74SMauro Carvalho Chehab const char *descr; 455bc3cb74SMauro Carvalho Chehab }; 465bc3cb74SMauro Carvalho Chehab 475bc3cb74SMauro Carvalho Chehab static const struct std_descr standards[] = { 485bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC, "NTSC" }, 495bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M, "NTSC-M" }, 505bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, 515bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, 525bc3cb74SMauro Carvalho Chehab { V4L2_STD_NTSC_443, "NTSC-443" }, 535bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL, "PAL" }, 545bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_BG, "PAL-BG" }, 555bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_B, "PAL-B" }, 565bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_B1, "PAL-B1" }, 575bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_G, "PAL-G" }, 585bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_H, "PAL-H" }, 595bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_I, "PAL-I" }, 605bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_DK, "PAL-DK" }, 615bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_D, "PAL-D" }, 625bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_D1, "PAL-D1" }, 635bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_K, "PAL-K" }, 645bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_M, "PAL-M" }, 655bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_N, "PAL-N" }, 665bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_Nc, "PAL-Nc" }, 675bc3cb74SMauro Carvalho Chehab { V4L2_STD_PAL_60, "PAL-60" }, 685bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM, "SECAM" }, 695bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_B, "SECAM-B" }, 705bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_G, "SECAM-G" }, 715bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_H, "SECAM-H" }, 725bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_DK, "SECAM-DK" }, 735bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_D, "SECAM-D" }, 745bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_K, "SECAM-K" }, 755bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_K1, "SECAM-K1" }, 765bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_L, "SECAM-L" }, 775bc3cb74SMauro Carvalho Chehab { V4L2_STD_SECAM_LC, "SECAM-Lc" }, 785bc3cb74SMauro Carvalho Chehab { 0, "Unknown" } 795bc3cb74SMauro Carvalho Chehab }; 805bc3cb74SMauro Carvalho Chehab 815bc3cb74SMauro Carvalho Chehab /* video4linux standard ID conversion to standard name 825bc3cb74SMauro Carvalho Chehab */ 835bc3cb74SMauro Carvalho Chehab const char *v4l2_norm_to_name(v4l2_std_id id) 845bc3cb74SMauro Carvalho Chehab { 855bc3cb74SMauro Carvalho Chehab u32 myid = id; 865bc3cb74SMauro Carvalho Chehab int i; 875bc3cb74SMauro Carvalho Chehab 885bc3cb74SMauro Carvalho Chehab /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle 895bc3cb74SMauro Carvalho Chehab 64 bit comparations. So, on that architecture, with some gcc 905bc3cb74SMauro Carvalho Chehab variants, compilation fails. Currently, the max value is 30bit wide. 915bc3cb74SMauro Carvalho Chehab */ 925bc3cb74SMauro Carvalho Chehab BUG_ON(myid != id); 935bc3cb74SMauro Carvalho Chehab 945bc3cb74SMauro Carvalho Chehab for (i = 0; standards[i].std; i++) 955bc3cb74SMauro Carvalho Chehab if (myid == standards[i].std) 965bc3cb74SMauro Carvalho Chehab break; 975bc3cb74SMauro Carvalho Chehab return standards[i].descr; 985bc3cb74SMauro Carvalho Chehab } 995bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_norm_to_name); 1005bc3cb74SMauro Carvalho Chehab 1015bc3cb74SMauro Carvalho Chehab /* Returns frame period for the given standard */ 1025bc3cb74SMauro Carvalho Chehab void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) 1035bc3cb74SMauro Carvalho Chehab { 1045bc3cb74SMauro Carvalho Chehab if (id & V4L2_STD_525_60) { 1055bc3cb74SMauro Carvalho Chehab frameperiod->numerator = 1001; 1065bc3cb74SMauro Carvalho Chehab frameperiod->denominator = 30000; 1075bc3cb74SMauro Carvalho Chehab } else { 1085bc3cb74SMauro Carvalho Chehab frameperiod->numerator = 1; 1095bc3cb74SMauro Carvalho Chehab frameperiod->denominator = 25; 1105bc3cb74SMauro Carvalho Chehab } 1115bc3cb74SMauro Carvalho Chehab } 1125bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_video_std_frame_period); 1135bc3cb74SMauro Carvalho Chehab 1145bc3cb74SMauro Carvalho Chehab /* Fill in the fields of a v4l2_standard structure according to the 1155bc3cb74SMauro Carvalho Chehab 'id' and 'transmission' parameters. Returns negative on error. */ 1165bc3cb74SMauro Carvalho Chehab int v4l2_video_std_construct(struct v4l2_standard *vs, 1175bc3cb74SMauro Carvalho Chehab int id, const char *name) 1185bc3cb74SMauro Carvalho Chehab { 1195bc3cb74SMauro Carvalho Chehab vs->id = id; 1205bc3cb74SMauro Carvalho Chehab v4l2_video_std_frame_period(id, &vs->frameperiod); 1215bc3cb74SMauro Carvalho Chehab vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; 1225bc3cb74SMauro Carvalho Chehab strlcpy(vs->name, name, sizeof(vs->name)); 1235bc3cb74SMauro Carvalho Chehab return 0; 1245bc3cb74SMauro Carvalho Chehab } 1255bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_video_std_construct); 1265bc3cb74SMauro Carvalho Chehab 1275bc3cb74SMauro Carvalho Chehab /* ----------------------------------------------------------------- */ 1285bc3cb74SMauro Carvalho Chehab /* some arrays for pretty-printing debug messages of enum types */ 1295bc3cb74SMauro Carvalho Chehab 1305bc3cb74SMauro Carvalho Chehab const char *v4l2_field_names[] = { 1315bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_ANY] = "any", 1325bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_NONE] = "none", 1335bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_TOP] = "top", 1345bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_BOTTOM] = "bottom", 1355bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED] = "interlaced", 1365bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_SEQ_TB] = "seq-tb", 1375bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_SEQ_BT] = "seq-bt", 1385bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_ALTERNATE] = "alternate", 1395bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", 1405bc3cb74SMauro Carvalho Chehab [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", 1415bc3cb74SMauro Carvalho Chehab }; 1425bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_field_names); 1435bc3cb74SMauro Carvalho Chehab 1445bc3cb74SMauro Carvalho Chehab const char *v4l2_type_names[] = { 145839aa56dSHans Verkuil [0] = "0", 1465bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", 1475bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", 1485bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", 1495bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", 1505bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", 1515bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", 1525bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", 1535bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", 1545bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane", 1555bc3cb74SMauro Carvalho Chehab [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane", 1566f3073b8SAntti Palosaari [V4L2_BUF_TYPE_SDR_CAPTURE] = "sdr-cap", 1579effc72fSAntti Palosaari [V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out", 1585bc3cb74SMauro Carvalho Chehab }; 1595bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l2_type_names); 1605bc3cb74SMauro Carvalho Chehab 1615bc3cb74SMauro Carvalho Chehab static const char *v4l2_memory_names[] = { 1625bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_MMAP] = "mmap", 1635bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_USERPTR] = "userptr", 1645bc3cb74SMauro Carvalho Chehab [V4L2_MEMORY_OVERLAY] = "overlay", 165051c7788SSumit Semwal [V4L2_MEMORY_DMABUF] = "dmabuf", 1665bc3cb74SMauro Carvalho Chehab }; 1675bc3cb74SMauro Carvalho Chehab 168d9246240SHans Verkuil #define prt_names(a, arr) (((unsigned)(a)) < ARRAY_SIZE(arr) ? arr[a] : "unknown") 1695bc3cb74SMauro Carvalho Chehab 1705bc3cb74SMauro Carvalho Chehab /* ------------------------------------------------------------------ */ 1715bc3cb74SMauro Carvalho Chehab /* debug help functions */ 1725bc3cb74SMauro Carvalho Chehab 1735bc3cb74SMauro Carvalho Chehab static void v4l_print_querycap(const void *arg, bool write_only) 1745bc3cb74SMauro Carvalho Chehab { 1755bc3cb74SMauro Carvalho Chehab const struct v4l2_capability *p = arg; 1765bc3cb74SMauro Carvalho Chehab 17727d5a87cSHans Verkuil pr_cont("driver=%.*s, card=%.*s, bus=%.*s, version=0x%08x, " 1785bc3cb74SMauro Carvalho Chehab "capabilities=0x%08x, device_caps=0x%08x\n", 17927d5a87cSHans Verkuil (int)sizeof(p->driver), p->driver, 18027d5a87cSHans Verkuil (int)sizeof(p->card), p->card, 18127d5a87cSHans Verkuil (int)sizeof(p->bus_info), p->bus_info, 1825bc3cb74SMauro Carvalho Chehab p->version, p->capabilities, p->device_caps); 1835bc3cb74SMauro Carvalho Chehab } 1845bc3cb74SMauro Carvalho Chehab 1855bc3cb74SMauro Carvalho Chehab static void v4l_print_enuminput(const void *arg, bool write_only) 1865bc3cb74SMauro Carvalho Chehab { 1875bc3cb74SMauro Carvalho Chehab const struct v4l2_input *p = arg; 1885bc3cb74SMauro Carvalho Chehab 18927d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, tuner=%u, " 1905bc3cb74SMauro Carvalho Chehab "std=0x%08Lx, status=0x%x, capabilities=0x%x\n", 19127d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, 19227d5a87cSHans Verkuil p->tuner, (unsigned long long)p->std, p->status, 19327d5a87cSHans Verkuil p->capabilities); 1945bc3cb74SMauro Carvalho Chehab } 1955bc3cb74SMauro Carvalho Chehab 1965bc3cb74SMauro Carvalho Chehab static void v4l_print_enumoutput(const void *arg, bool write_only) 1975bc3cb74SMauro Carvalho Chehab { 1985bc3cb74SMauro Carvalho Chehab const struct v4l2_output *p = arg; 1995bc3cb74SMauro Carvalho Chehab 20027d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, type=%u, audioset=0x%x, " 2015bc3cb74SMauro Carvalho Chehab "modulator=%u, std=0x%08Lx, capabilities=0x%x\n", 20227d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, p->audioset, 20327d5a87cSHans Verkuil p->modulator, (unsigned long long)p->std, p->capabilities); 2045bc3cb74SMauro Carvalho Chehab } 2055bc3cb74SMauro Carvalho Chehab 2065bc3cb74SMauro Carvalho Chehab static void v4l_print_audio(const void *arg, bool write_only) 2075bc3cb74SMauro Carvalho Chehab { 2085bc3cb74SMauro Carvalho Chehab const struct v4l2_audio *p = arg; 2095bc3cb74SMauro Carvalho Chehab 2105bc3cb74SMauro Carvalho Chehab if (write_only) 2115bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, mode=0x%x\n", p->index, p->mode); 2125bc3cb74SMauro Carvalho Chehab else 21327d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", 21427d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, 21527d5a87cSHans Verkuil p->capability, p->mode); 2165bc3cb74SMauro Carvalho Chehab } 2175bc3cb74SMauro Carvalho Chehab 2185bc3cb74SMauro Carvalho Chehab static void v4l_print_audioout(const void *arg, bool write_only) 2195bc3cb74SMauro Carvalho Chehab { 2205bc3cb74SMauro Carvalho Chehab const struct v4l2_audioout *p = arg; 2215bc3cb74SMauro Carvalho Chehab 2225bc3cb74SMauro Carvalho Chehab if (write_only) 2235bc3cb74SMauro Carvalho Chehab pr_cont("index=%u\n", p->index); 2245bc3cb74SMauro Carvalho Chehab else 22527d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, capability=0x%x, mode=0x%x\n", 22627d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, 22727d5a87cSHans Verkuil p->capability, p->mode); 2285bc3cb74SMauro Carvalho Chehab } 2295bc3cb74SMauro Carvalho Chehab 2305bc3cb74SMauro Carvalho Chehab static void v4l_print_fmtdesc(const void *arg, bool write_only) 2315bc3cb74SMauro Carvalho Chehab { 2325bc3cb74SMauro Carvalho Chehab const struct v4l2_fmtdesc *p = arg; 2335bc3cb74SMauro Carvalho Chehab 23427d5a87cSHans Verkuil pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%c%c%c%c, description='%.*s'\n", 2355bc3cb74SMauro Carvalho Chehab p->index, prt_names(p->type, v4l2_type_names), 2365bc3cb74SMauro Carvalho Chehab p->flags, (p->pixelformat & 0xff), 2375bc3cb74SMauro Carvalho Chehab (p->pixelformat >> 8) & 0xff, 2385bc3cb74SMauro Carvalho Chehab (p->pixelformat >> 16) & 0xff, 2395bc3cb74SMauro Carvalho Chehab (p->pixelformat >> 24) & 0xff, 24027d5a87cSHans Verkuil (int)sizeof(p->description), p->description); 2415bc3cb74SMauro Carvalho Chehab } 2425bc3cb74SMauro Carvalho Chehab 2435bc3cb74SMauro Carvalho Chehab static void v4l_print_format(const void *arg, bool write_only) 2445bc3cb74SMauro Carvalho Chehab { 2455bc3cb74SMauro Carvalho Chehab const struct v4l2_format *p = arg; 2465bc3cb74SMauro Carvalho Chehab const struct v4l2_pix_format *pix; 2475bc3cb74SMauro Carvalho Chehab const struct v4l2_pix_format_mplane *mp; 2485bc3cb74SMauro Carvalho Chehab const struct v4l2_vbi_format *vbi; 2495bc3cb74SMauro Carvalho Chehab const struct v4l2_sliced_vbi_format *sliced; 2505bc3cb74SMauro Carvalho Chehab const struct v4l2_window *win; 25187185c95SAntti Palosaari const struct v4l2_sdr_format *sdr; 2525bc3cb74SMauro Carvalho Chehab unsigned i; 2535bc3cb74SMauro Carvalho Chehab 2545bc3cb74SMauro Carvalho Chehab pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); 2555bc3cb74SMauro Carvalho Chehab switch (p->type) { 2565bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 2575bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 2585bc3cb74SMauro Carvalho Chehab pix = &p->fmt.pix; 2595bc3cb74SMauro Carvalho Chehab pr_cont(", width=%u, height=%u, " 2605bc3cb74SMauro Carvalho Chehab "pixelformat=%c%c%c%c, field=%s, " 261c96fd46aSLaurent Pinchart "bytesperline=%u, sizeimage=%u, colorspace=%d, " 26274fdcb2eSHans Verkuil "flags=0x%x, ycbcr_enc=%u, quantization=%u, " 26374fdcb2eSHans Verkuil "xfer_func=%u\n", 2645bc3cb74SMauro Carvalho Chehab pix->width, pix->height, 2655bc3cb74SMauro Carvalho Chehab (pix->pixelformat & 0xff), 2665bc3cb74SMauro Carvalho Chehab (pix->pixelformat >> 8) & 0xff, 2675bc3cb74SMauro Carvalho Chehab (pix->pixelformat >> 16) & 0xff, 2685bc3cb74SMauro Carvalho Chehab (pix->pixelformat >> 24) & 0xff, 2695bc3cb74SMauro Carvalho Chehab prt_names(pix->field, v4l2_field_names), 2705bc3cb74SMauro Carvalho Chehab pix->bytesperline, pix->sizeimage, 271736d96b5SHans Verkuil pix->colorspace, pix->flags, pix->ycbcr_enc, 27274fdcb2eSHans Verkuil pix->quantization, pix->xfer_func); 2735bc3cb74SMauro Carvalho Chehab break; 2745bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 2755bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 2765bc3cb74SMauro Carvalho Chehab mp = &p->fmt.pix_mp; 2775bc3cb74SMauro Carvalho Chehab pr_cont(", width=%u, height=%u, " 2785bc3cb74SMauro Carvalho Chehab "format=%c%c%c%c, field=%s, " 2791e8faa59SHans Verkuil "colorspace=%d, num_planes=%u, flags=0x%x, " 28074fdcb2eSHans Verkuil "ycbcr_enc=%u, quantization=%u, xfer_func=%u\n", 2815bc3cb74SMauro Carvalho Chehab mp->width, mp->height, 2825bc3cb74SMauro Carvalho Chehab (mp->pixelformat & 0xff), 2835bc3cb74SMauro Carvalho Chehab (mp->pixelformat >> 8) & 0xff, 2845bc3cb74SMauro Carvalho Chehab (mp->pixelformat >> 16) & 0xff, 2855bc3cb74SMauro Carvalho Chehab (mp->pixelformat >> 24) & 0xff, 2865bc3cb74SMauro Carvalho Chehab prt_names(mp->field, v4l2_field_names), 287736d96b5SHans Verkuil mp->colorspace, mp->num_planes, mp->flags, 28874fdcb2eSHans Verkuil mp->ycbcr_enc, mp->quantization, mp->xfer_func); 2895bc3cb74SMauro Carvalho Chehab for (i = 0; i < mp->num_planes; i++) 2905bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, 2915bc3cb74SMauro Carvalho Chehab mp->plane_fmt[i].bytesperline, 2925bc3cb74SMauro Carvalho Chehab mp->plane_fmt[i].sizeimage); 2935bc3cb74SMauro Carvalho Chehab break; 2945bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 2955bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 2965bc3cb74SMauro Carvalho Chehab win = &p->fmt.win; 297560dde24SHans Verkuil /* Note: we can't print the clip list here since the clips 298560dde24SHans Verkuil * pointer is a userspace pointer, not a kernelspace 299560dde24SHans Verkuil * pointer. */ 300560dde24SHans 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", 301560dde24SHans Verkuil win->w.width, win->w.height, win->w.left, win->w.top, 3025bc3cb74SMauro Carvalho Chehab prt_names(win->field, v4l2_field_names), 303560dde24SHans Verkuil win->chromakey, win->clipcount, win->clips, 304560dde24SHans Verkuil win->bitmap, win->global_alpha); 3055bc3cb74SMauro Carvalho Chehab break; 3065bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 3075bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 3085bc3cb74SMauro Carvalho Chehab vbi = &p->fmt.vbi; 3095bc3cb74SMauro Carvalho Chehab pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, " 3105bc3cb74SMauro Carvalho Chehab "sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n", 3115bc3cb74SMauro Carvalho Chehab vbi->sampling_rate, vbi->offset, 3125bc3cb74SMauro Carvalho Chehab vbi->samples_per_line, 3135bc3cb74SMauro Carvalho Chehab (vbi->sample_format & 0xff), 3145bc3cb74SMauro Carvalho Chehab (vbi->sample_format >> 8) & 0xff, 3155bc3cb74SMauro Carvalho Chehab (vbi->sample_format >> 16) & 0xff, 3165bc3cb74SMauro Carvalho Chehab (vbi->sample_format >> 24) & 0xff, 3175bc3cb74SMauro Carvalho Chehab vbi->start[0], vbi->start[1], 3185bc3cb74SMauro Carvalho Chehab vbi->count[0], vbi->count[1]); 3195bc3cb74SMauro Carvalho Chehab break; 3205bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 3215bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 3225bc3cb74SMauro Carvalho Chehab sliced = &p->fmt.sliced; 3235bc3cb74SMauro Carvalho Chehab pr_cont(", service_set=0x%08x, io_size=%d\n", 3245bc3cb74SMauro Carvalho Chehab sliced->service_set, sliced->io_size); 3255bc3cb74SMauro Carvalho Chehab for (i = 0; i < 24; i++) 3265bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, 3275bc3cb74SMauro Carvalho Chehab sliced->service_lines[0][i], 3285bc3cb74SMauro Carvalho Chehab sliced->service_lines[1][i]); 3295bc3cb74SMauro Carvalho Chehab break; 330582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 3319effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 332582c52cbSAntti Palosaari sdr = &p->fmt.sdr; 333582c52cbSAntti Palosaari pr_cont(", pixelformat=%c%c%c%c\n", 334582c52cbSAntti Palosaari (sdr->pixelformat >> 0) & 0xff, 335582c52cbSAntti Palosaari (sdr->pixelformat >> 8) & 0xff, 336582c52cbSAntti Palosaari (sdr->pixelformat >> 16) & 0xff, 337582c52cbSAntti Palosaari (sdr->pixelformat >> 24) & 0xff); 338582c52cbSAntti Palosaari break; 3395bc3cb74SMauro Carvalho Chehab } 3405bc3cb74SMauro Carvalho Chehab } 3415bc3cb74SMauro Carvalho Chehab 3425bc3cb74SMauro Carvalho Chehab static void v4l_print_framebuffer(const void *arg, bool write_only) 3435bc3cb74SMauro Carvalho Chehab { 3445bc3cb74SMauro Carvalho Chehab const struct v4l2_framebuffer *p = arg; 3455bc3cb74SMauro Carvalho Chehab 3465bc3cb74SMauro Carvalho Chehab pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, " 3475bc3cb74SMauro Carvalho Chehab "height=%u, pixelformat=%c%c%c%c, " 348560dde24SHans Verkuil "bytesperline=%u, sizeimage=%u, colorspace=%d\n", 3495bc3cb74SMauro Carvalho Chehab p->capability, p->flags, p->base, 3505bc3cb74SMauro Carvalho Chehab p->fmt.width, p->fmt.height, 3515bc3cb74SMauro Carvalho Chehab (p->fmt.pixelformat & 0xff), 3525bc3cb74SMauro Carvalho Chehab (p->fmt.pixelformat >> 8) & 0xff, 3535bc3cb74SMauro Carvalho Chehab (p->fmt.pixelformat >> 16) & 0xff, 3545bc3cb74SMauro Carvalho Chehab (p->fmt.pixelformat >> 24) & 0xff, 3555bc3cb74SMauro Carvalho Chehab p->fmt.bytesperline, p->fmt.sizeimage, 3565bc3cb74SMauro Carvalho Chehab p->fmt.colorspace); 3575bc3cb74SMauro Carvalho Chehab } 3585bc3cb74SMauro Carvalho Chehab 3595bc3cb74SMauro Carvalho Chehab static void v4l_print_buftype(const void *arg, bool write_only) 3605bc3cb74SMauro Carvalho Chehab { 3615bc3cb74SMauro Carvalho Chehab pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names)); 3625bc3cb74SMauro Carvalho Chehab } 3635bc3cb74SMauro Carvalho Chehab 3645bc3cb74SMauro Carvalho Chehab static void v4l_print_modulator(const void *arg, bool write_only) 3655bc3cb74SMauro Carvalho Chehab { 3665bc3cb74SMauro Carvalho Chehab const struct v4l2_modulator *p = arg; 3675bc3cb74SMauro Carvalho Chehab 3685bc3cb74SMauro Carvalho Chehab if (write_only) 369560dde24SHans Verkuil pr_cont("index=%u, txsubchans=0x%x\n", p->index, p->txsubchans); 3705bc3cb74SMauro Carvalho Chehab else 37127d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, capability=0x%x, " 3725bc3cb74SMauro Carvalho Chehab "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n", 37327d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->capability, 3745bc3cb74SMauro Carvalho Chehab p->rangelow, p->rangehigh, p->txsubchans); 3755bc3cb74SMauro Carvalho Chehab } 3765bc3cb74SMauro Carvalho Chehab 3775bc3cb74SMauro Carvalho Chehab static void v4l_print_tuner(const void *arg, bool write_only) 3785bc3cb74SMauro Carvalho Chehab { 3795bc3cb74SMauro Carvalho Chehab const struct v4l2_tuner *p = arg; 3805bc3cb74SMauro Carvalho Chehab 3815bc3cb74SMauro Carvalho Chehab if (write_only) 3825bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, audmode=%u\n", p->index, p->audmode); 3835bc3cb74SMauro Carvalho Chehab else 38427d5a87cSHans Verkuil pr_cont("index=%u, name=%.*s, type=%u, capability=0x%x, " 3855bc3cb74SMauro Carvalho Chehab "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, " 3865bc3cb74SMauro Carvalho Chehab "rxsubchans=0x%x, audmode=%u\n", 38727d5a87cSHans Verkuil p->index, (int)sizeof(p->name), p->name, p->type, 3885bc3cb74SMauro Carvalho Chehab p->capability, p->rangelow, 3895bc3cb74SMauro Carvalho Chehab p->rangehigh, p->signal, p->afc, 3905bc3cb74SMauro Carvalho Chehab p->rxsubchans, p->audmode); 3915bc3cb74SMauro Carvalho Chehab } 3925bc3cb74SMauro Carvalho Chehab 3935bc3cb74SMauro Carvalho Chehab static void v4l_print_frequency(const void *arg, bool write_only) 3945bc3cb74SMauro Carvalho Chehab { 3955bc3cb74SMauro Carvalho Chehab const struct v4l2_frequency *p = arg; 3965bc3cb74SMauro Carvalho Chehab 3975bc3cb74SMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, frequency=%u\n", 3985bc3cb74SMauro Carvalho Chehab p->tuner, p->type, p->frequency); 3995bc3cb74SMauro Carvalho Chehab } 4005bc3cb74SMauro Carvalho Chehab 4015bc3cb74SMauro Carvalho Chehab static void v4l_print_standard(const void *arg, bool write_only) 4025bc3cb74SMauro Carvalho Chehab { 4035bc3cb74SMauro Carvalho Chehab const struct v4l2_standard *p = arg; 4045bc3cb74SMauro Carvalho Chehab 40527d5a87cSHans Verkuil pr_cont("index=%u, id=0x%Lx, name=%.*s, fps=%u/%u, " 4065bc3cb74SMauro Carvalho Chehab "framelines=%u\n", p->index, 40727d5a87cSHans Verkuil (unsigned long long)p->id, (int)sizeof(p->name), p->name, 4085bc3cb74SMauro Carvalho Chehab p->frameperiod.numerator, 4095bc3cb74SMauro Carvalho Chehab p->frameperiod.denominator, 4105bc3cb74SMauro Carvalho Chehab p->framelines); 4115bc3cb74SMauro Carvalho Chehab } 4125bc3cb74SMauro Carvalho Chehab 4135bc3cb74SMauro Carvalho Chehab static void v4l_print_std(const void *arg, bool write_only) 4145bc3cb74SMauro Carvalho Chehab { 4155bc3cb74SMauro Carvalho Chehab pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg); 4165bc3cb74SMauro Carvalho Chehab } 4175bc3cb74SMauro Carvalho Chehab 4185bc3cb74SMauro Carvalho Chehab static void v4l_print_hw_freq_seek(const void *arg, bool write_only) 4195bc3cb74SMauro Carvalho Chehab { 4205bc3cb74SMauro Carvalho Chehab const struct v4l2_hw_freq_seek *p = arg; 4215bc3cb74SMauro Carvalho Chehab 42279e8c7beSMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, " 42379e8c7beSMauro Carvalho Chehab "rangelow=%u, rangehigh=%u\n", 42479e8c7beSMauro Carvalho Chehab p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing, 42579e8c7beSMauro Carvalho Chehab p->rangelow, p->rangehigh); 4265bc3cb74SMauro Carvalho Chehab } 4275bc3cb74SMauro Carvalho Chehab 4285bc3cb74SMauro Carvalho Chehab static void v4l_print_requestbuffers(const void *arg, bool write_only) 4295bc3cb74SMauro Carvalho Chehab { 4305bc3cb74SMauro Carvalho Chehab const struct v4l2_requestbuffers *p = arg; 4315bc3cb74SMauro Carvalho Chehab 4325bc3cb74SMauro Carvalho Chehab pr_cont("count=%d, type=%s, memory=%s\n", 4335bc3cb74SMauro Carvalho Chehab p->count, 4345bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 4355bc3cb74SMauro Carvalho Chehab prt_names(p->memory, v4l2_memory_names)); 4365bc3cb74SMauro Carvalho Chehab } 4375bc3cb74SMauro Carvalho Chehab 4385bc3cb74SMauro Carvalho Chehab static void v4l_print_buffer(const void *arg, bool write_only) 4395bc3cb74SMauro Carvalho Chehab { 4405bc3cb74SMauro Carvalho Chehab const struct v4l2_buffer *p = arg; 4415bc3cb74SMauro Carvalho Chehab const struct v4l2_timecode *tc = &p->timecode; 4425bc3cb74SMauro Carvalho Chehab const struct v4l2_plane *plane; 4435bc3cb74SMauro Carvalho Chehab int i; 4445bc3cb74SMauro Carvalho Chehab 4455bc3cb74SMauro Carvalho Chehab pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, " 4465bc3cb74SMauro Carvalho Chehab "flags=0x%08x, field=%s, sequence=%d, memory=%s", 4475bc3cb74SMauro Carvalho Chehab p->timestamp.tv_sec / 3600, 4485bc3cb74SMauro Carvalho Chehab (int)(p->timestamp.tv_sec / 60) % 60, 4495bc3cb74SMauro Carvalho Chehab (int)(p->timestamp.tv_sec % 60), 4505bc3cb74SMauro Carvalho Chehab (long)p->timestamp.tv_usec, 4515bc3cb74SMauro Carvalho Chehab p->index, 4525bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 4535bc3cb74SMauro Carvalho Chehab p->flags, prt_names(p->field, v4l2_field_names), 4545bc3cb74SMauro Carvalho Chehab p->sequence, prt_names(p->memory, v4l2_memory_names)); 4555bc3cb74SMauro Carvalho Chehab 4565bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { 4575bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 4585bc3cb74SMauro Carvalho Chehab for (i = 0; i < p->length; ++i) { 4595bc3cb74SMauro Carvalho Chehab plane = &p->m.planes[i]; 4605bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG 461560dde24SHans Verkuil "plane %d: bytesused=%d, data_offset=0x%08x, " 4625bc3cb74SMauro Carvalho Chehab "offset/userptr=0x%lx, length=%d\n", 4635bc3cb74SMauro Carvalho Chehab i, plane->bytesused, plane->data_offset, 4645bc3cb74SMauro Carvalho Chehab plane->m.userptr, plane->length); 4655bc3cb74SMauro Carvalho Chehab } 4665bc3cb74SMauro Carvalho Chehab } else { 467560dde24SHans Verkuil pr_cont(", bytesused=%d, offset/userptr=0x%lx, length=%d\n", 4685bc3cb74SMauro Carvalho Chehab p->bytesused, p->m.userptr, p->length); 4695bc3cb74SMauro Carvalho Chehab } 4705bc3cb74SMauro Carvalho Chehab 4715bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, " 4725bc3cb74SMauro Carvalho Chehab "flags=0x%08x, frames=%d, userbits=0x%08x\n", 4735bc3cb74SMauro Carvalho Chehab tc->hours, tc->minutes, tc->seconds, 4745bc3cb74SMauro Carvalho Chehab tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); 4755bc3cb74SMauro Carvalho Chehab } 4765bc3cb74SMauro Carvalho Chehab 477b799d09aSTomasz Stanislawski static void v4l_print_exportbuffer(const void *arg, bool write_only) 478b799d09aSTomasz Stanislawski { 479b799d09aSTomasz Stanislawski const struct v4l2_exportbuffer *p = arg; 480b799d09aSTomasz Stanislawski 481b799d09aSTomasz Stanislawski pr_cont("fd=%d, type=%s, index=%u, plane=%u, flags=0x%08x\n", 482b799d09aSTomasz Stanislawski p->fd, prt_names(p->type, v4l2_type_names), 483b799d09aSTomasz Stanislawski p->index, p->plane, p->flags); 484b799d09aSTomasz Stanislawski } 485b799d09aSTomasz Stanislawski 4865bc3cb74SMauro Carvalho Chehab static void v4l_print_create_buffers(const void *arg, bool write_only) 4875bc3cb74SMauro Carvalho Chehab { 4885bc3cb74SMauro Carvalho Chehab const struct v4l2_create_buffers *p = arg; 4895bc3cb74SMauro Carvalho Chehab 4905bc3cb74SMauro Carvalho Chehab pr_cont("index=%d, count=%d, memory=%s, ", 4915bc3cb74SMauro Carvalho Chehab p->index, p->count, 4925bc3cb74SMauro Carvalho Chehab prt_names(p->memory, v4l2_memory_names)); 4935bc3cb74SMauro Carvalho Chehab v4l_print_format(&p->format, write_only); 4945bc3cb74SMauro Carvalho Chehab } 4955bc3cb74SMauro Carvalho Chehab 4965bc3cb74SMauro Carvalho Chehab static void v4l_print_streamparm(const void *arg, bool write_only) 4975bc3cb74SMauro Carvalho Chehab { 4985bc3cb74SMauro Carvalho Chehab const struct v4l2_streamparm *p = arg; 4995bc3cb74SMauro Carvalho Chehab 5005bc3cb74SMauro Carvalho Chehab pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); 5015bc3cb74SMauro Carvalho Chehab 5025bc3cb74SMauro Carvalho Chehab if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || 5035bc3cb74SMauro Carvalho Chehab p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { 5045bc3cb74SMauro Carvalho Chehab const struct v4l2_captureparm *c = &p->parm.capture; 5055bc3cb74SMauro Carvalho Chehab 5065bc3cb74SMauro Carvalho Chehab pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, " 5075bc3cb74SMauro Carvalho Chehab "extendedmode=%d, readbuffers=%d\n", 5085bc3cb74SMauro Carvalho Chehab c->capability, c->capturemode, 5095bc3cb74SMauro Carvalho Chehab c->timeperframe.numerator, c->timeperframe.denominator, 5105bc3cb74SMauro Carvalho Chehab c->extendedmode, c->readbuffers); 5115bc3cb74SMauro Carvalho Chehab } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || 5125bc3cb74SMauro Carvalho Chehab p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { 5135bc3cb74SMauro Carvalho Chehab const struct v4l2_outputparm *c = &p->parm.output; 5145bc3cb74SMauro Carvalho Chehab 5155bc3cb74SMauro Carvalho Chehab pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, " 5165bc3cb74SMauro Carvalho Chehab "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 52927d5a87cSHans Verkuil pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%d/%d, " 5305bc3cb74SMauro Carvalho Chehab "step=%d, default=%d, flags=0x%08x\n", 53127d5a87cSHans Verkuil p->id, p->type, (int)sizeof(p->name), p->name, 5325bc3cb74SMauro Carvalho Chehab p->minimum, p->maximum, 5335bc3cb74SMauro Carvalho Chehab p->step, p->default_value, p->flags); 5345bc3cb74SMauro Carvalho Chehab } 5355bc3cb74SMauro Carvalho Chehab 536e6bee368SHans Verkuil static void v4l_print_query_ext_ctrl(const void *arg, bool write_only) 537e6bee368SHans Verkuil { 538e6bee368SHans Verkuil const struct v4l2_query_ext_ctrl *p = arg; 539e6bee368SHans Verkuil 540e6bee368SHans Verkuil pr_cont("id=0x%x, type=%d, name=%.*s, min/max=%lld/%lld, " 541e6bee368SHans Verkuil "step=%lld, default=%lld, flags=0x%08x, elem_size=%u, elems=%u, " 5420176077aSHans Verkuil "nr_of_dims=%u, dims=%u,%u,%u,%u\n", 543e6bee368SHans Verkuil p->id, p->type, (int)sizeof(p->name), p->name, 544e6bee368SHans Verkuil p->minimum, p->maximum, 545e6bee368SHans Verkuil p->step, p->default_value, p->flags, 546e6bee368SHans Verkuil p->elem_size, p->elems, p->nr_of_dims, 5470176077aSHans Verkuil p->dims[0], p->dims[1], p->dims[2], p->dims[3]); 548e6bee368SHans Verkuil } 549e6bee368SHans Verkuil 5505bc3cb74SMauro Carvalho Chehab static void v4l_print_querymenu(const void *arg, bool write_only) 5515bc3cb74SMauro Carvalho Chehab { 5525bc3cb74SMauro Carvalho Chehab const struct v4l2_querymenu *p = arg; 5535bc3cb74SMauro Carvalho Chehab 5545bc3cb74SMauro Carvalho Chehab pr_cont("id=0x%x, index=%d\n", p->id, p->index); 5555bc3cb74SMauro Carvalho Chehab } 5565bc3cb74SMauro Carvalho Chehab 5575bc3cb74SMauro Carvalho Chehab static void v4l_print_control(const void *arg, bool write_only) 5585bc3cb74SMauro Carvalho Chehab { 5595bc3cb74SMauro Carvalho Chehab const struct v4l2_control *p = arg; 5605bc3cb74SMauro Carvalho Chehab 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 5690f8017beSRicardo Ribalda pr_cont("which=0x%x, count=%d, error_idx=%d", 5700f8017beSRicardo Ribalda p->which, p->count, p->error_idx); 5715bc3cb74SMauro Carvalho Chehab for (i = 0; i < p->count; i++) { 572017ab36aSHans Verkuil if (!p->controls[i].size) 5735bc3cb74SMauro Carvalho Chehab pr_cont(", id/val=0x%x/0x%x", 5745bc3cb74SMauro Carvalho Chehab p->controls[i].id, p->controls[i].value); 5755bc3cb74SMauro Carvalho Chehab else 5765bc3cb74SMauro Carvalho Chehab pr_cont(", id/size=0x%x/%u", 5775bc3cb74SMauro Carvalho Chehab p->controls[i].id, p->controls[i].size); 5785bc3cb74SMauro Carvalho Chehab } 5795bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 5805bc3cb74SMauro Carvalho Chehab } 5815bc3cb74SMauro Carvalho Chehab 5825bc3cb74SMauro Carvalho Chehab static void v4l_print_cropcap(const void *arg, bool write_only) 5835bc3cb74SMauro Carvalho Chehab { 5845bc3cb74SMauro Carvalho Chehab const struct v4l2_cropcap *p = arg; 5855bc3cb74SMauro Carvalho Chehab 5865bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, " 587a112fbafSHans Verkuil "defrect wxh=%dx%d, x,y=%d,%d, " 5885bc3cb74SMauro Carvalho Chehab "pixelaspect %d/%d\n", 5895bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 5905bc3cb74SMauro Carvalho Chehab p->bounds.width, p->bounds.height, 5915bc3cb74SMauro Carvalho Chehab p->bounds.left, p->bounds.top, 5925bc3cb74SMauro Carvalho Chehab p->defrect.width, p->defrect.height, 5935bc3cb74SMauro Carvalho Chehab p->defrect.left, p->defrect.top, 5945bc3cb74SMauro Carvalho Chehab p->pixelaspect.numerator, p->pixelaspect.denominator); 5955bc3cb74SMauro Carvalho Chehab } 5965bc3cb74SMauro Carvalho Chehab 5975bc3cb74SMauro Carvalho Chehab static void v4l_print_crop(const void *arg, bool write_only) 5985bc3cb74SMauro Carvalho Chehab { 5995bc3cb74SMauro Carvalho Chehab const struct v4l2_crop *p = arg; 6005bc3cb74SMauro Carvalho Chehab 6015bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, wxh=%dx%d, x,y=%d,%d\n", 6025bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 6035bc3cb74SMauro Carvalho Chehab p->c.width, p->c.height, 6045bc3cb74SMauro Carvalho Chehab p->c.left, p->c.top); 6055bc3cb74SMauro Carvalho Chehab } 6065bc3cb74SMauro Carvalho Chehab 6075bc3cb74SMauro Carvalho Chehab static void v4l_print_selection(const void *arg, bool write_only) 6085bc3cb74SMauro Carvalho Chehab { 6095bc3cb74SMauro Carvalho Chehab const struct v4l2_selection *p = arg; 6105bc3cb74SMauro Carvalho Chehab 6115bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, target=%d, flags=0x%x, wxh=%dx%d, x,y=%d,%d\n", 6125bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), 6135bc3cb74SMauro Carvalho Chehab p->target, p->flags, 6145bc3cb74SMauro Carvalho Chehab p->r.width, p->r.height, p->r.left, p->r.top); 6155bc3cb74SMauro Carvalho Chehab } 6165bc3cb74SMauro Carvalho Chehab 6175bc3cb74SMauro Carvalho Chehab static void v4l_print_jpegcompression(const void *arg, bool write_only) 6185bc3cb74SMauro Carvalho Chehab { 6195bc3cb74SMauro Carvalho Chehab const struct v4l2_jpegcompression *p = arg; 6205bc3cb74SMauro Carvalho Chehab 6215bc3cb74SMauro Carvalho Chehab pr_cont("quality=%d, APPn=%d, APP_len=%d, " 6225bc3cb74SMauro Carvalho Chehab "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: 6895bc3cb74SMauro Carvalho Chehab pr_cont("type=bt-656/1120, interlaced=%u, " 6905bc3cb74SMauro Carvalho Chehab "pixelclock=%llu, " 6915bc3cb74SMauro Carvalho Chehab "width=%u, height=%u, polarities=0x%x, " 6925bc3cb74SMauro Carvalho Chehab "hfrontporch=%u, hsync=%u, " 6935bc3cb74SMauro Carvalho Chehab "hbackporch=%u, vfrontporch=%u, " 6945bc3cb74SMauro Carvalho Chehab "vsync=%u, vbackporch=%u, " 6955bc3cb74SMauro Carvalho Chehab "il_vfrontporch=%u, il_vsync=%u, " 6965bc3cb74SMauro Carvalho Chehab "il_vbackporch=%u, standards=0x%x, flags=0x%x\n", 6975bc3cb74SMauro Carvalho Chehab p->bt.interlaced, p->bt.pixelclock, 6985bc3cb74SMauro Carvalho Chehab p->bt.width, p->bt.height, 6995bc3cb74SMauro Carvalho Chehab p->bt.polarities, p->bt.hfrontporch, 7005bc3cb74SMauro Carvalho Chehab p->bt.hsync, p->bt.hbackporch, 7015bc3cb74SMauro Carvalho Chehab p->bt.vfrontporch, p->bt.vsync, 7025bc3cb74SMauro Carvalho Chehab p->bt.vbackporch, p->bt.il_vfrontporch, 7035bc3cb74SMauro Carvalho Chehab p->bt.il_vsync, p->bt.il_vbackporch, 7045bc3cb74SMauro Carvalho Chehab p->bt.standards, p->bt.flags); 7055bc3cb74SMauro Carvalho Chehab break; 7065bc3cb74SMauro Carvalho Chehab default: 7075bc3cb74SMauro Carvalho Chehab pr_cont("type=%d\n", p->type); 7085bc3cb74SMauro Carvalho Chehab break; 7095bc3cb74SMauro Carvalho Chehab } 7105bc3cb74SMauro Carvalho Chehab } 7115bc3cb74SMauro Carvalho Chehab 7125bc3cb74SMauro Carvalho Chehab static void v4l_print_enum_dv_timings(const void *arg, bool write_only) 7135bc3cb74SMauro Carvalho Chehab { 7145bc3cb74SMauro Carvalho Chehab const struct v4l2_enum_dv_timings *p = arg; 7155bc3cb74SMauro Carvalho Chehab 7165bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, ", p->index); 7175bc3cb74SMauro Carvalho Chehab v4l_print_dv_timings(&p->timings, write_only); 7185bc3cb74SMauro Carvalho Chehab } 7195bc3cb74SMauro Carvalho Chehab 7205bc3cb74SMauro Carvalho Chehab static void v4l_print_dv_timings_cap(const void *arg, bool write_only) 7215bc3cb74SMauro Carvalho Chehab { 7225bc3cb74SMauro Carvalho Chehab const struct v4l2_dv_timings_cap *p = arg; 7235bc3cb74SMauro Carvalho Chehab 7245bc3cb74SMauro Carvalho Chehab switch (p->type) { 7255bc3cb74SMauro Carvalho Chehab case V4L2_DV_BT_656_1120: 7265bc3cb74SMauro Carvalho Chehab pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, " 7275bc3cb74SMauro Carvalho Chehab "pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n", 7285bc3cb74SMauro Carvalho Chehab p->bt.min_width, p->bt.max_width, 7295bc3cb74SMauro Carvalho Chehab p->bt.min_height, p->bt.max_height, 7305bc3cb74SMauro Carvalho Chehab p->bt.min_pixelclock, p->bt.max_pixelclock, 7315bc3cb74SMauro Carvalho Chehab p->bt.standards, p->bt.capabilities); 7325bc3cb74SMauro Carvalho Chehab break; 7335bc3cb74SMauro Carvalho Chehab default: 7345bc3cb74SMauro Carvalho Chehab pr_cont("type=%u\n", p->type); 7355bc3cb74SMauro Carvalho Chehab break; 7365bc3cb74SMauro Carvalho Chehab } 7375bc3cb74SMauro Carvalho Chehab } 7385bc3cb74SMauro Carvalho Chehab 7395bc3cb74SMauro Carvalho Chehab static void v4l_print_frmsizeenum(const void *arg, bool write_only) 7405bc3cb74SMauro Carvalho Chehab { 7415bc3cb74SMauro Carvalho Chehab const struct v4l2_frmsizeenum *p = arg; 7425bc3cb74SMauro Carvalho Chehab 7435bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, pixelformat=%c%c%c%c, type=%u", 7445bc3cb74SMauro Carvalho Chehab p->index, 7455bc3cb74SMauro Carvalho Chehab (p->pixel_format & 0xff), 7465bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 8) & 0xff, 7475bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 16) & 0xff, 7485bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 24) & 0xff, 7495bc3cb74SMauro Carvalho Chehab p->type); 7505bc3cb74SMauro Carvalho Chehab switch (p->type) { 7515bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_DISCRETE: 752560dde24SHans Verkuil pr_cont(", wxh=%ux%u\n", 7535bc3cb74SMauro Carvalho Chehab p->discrete.width, p->discrete.height); 7545bc3cb74SMauro Carvalho Chehab break; 7555bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_STEPWISE: 756560dde24SHans Verkuil pr_cont(", min=%ux%u, max=%ux%u, step=%ux%u\n", 7575bc3cb74SMauro Carvalho Chehab p->stepwise.min_width, p->stepwise.min_height, 7585bc3cb74SMauro Carvalho Chehab p->stepwise.step_width, p->stepwise.step_height, 7595bc3cb74SMauro Carvalho Chehab p->stepwise.max_width, p->stepwise.max_height); 7605bc3cb74SMauro Carvalho Chehab break; 7615bc3cb74SMauro Carvalho Chehab case V4L2_FRMSIZE_TYPE_CONTINUOUS: 7625bc3cb74SMauro Carvalho Chehab /* fall through */ 7635bc3cb74SMauro Carvalho Chehab default: 7645bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 7655bc3cb74SMauro Carvalho Chehab break; 7665bc3cb74SMauro Carvalho Chehab } 7675bc3cb74SMauro Carvalho Chehab } 7685bc3cb74SMauro Carvalho Chehab 7695bc3cb74SMauro Carvalho Chehab static void v4l_print_frmivalenum(const void *arg, bool write_only) 7705bc3cb74SMauro Carvalho Chehab { 7715bc3cb74SMauro Carvalho Chehab const struct v4l2_frmivalenum *p = arg; 7725bc3cb74SMauro Carvalho Chehab 7735bc3cb74SMauro Carvalho Chehab pr_cont("index=%u, pixelformat=%c%c%c%c, wxh=%ux%u, type=%u", 7745bc3cb74SMauro Carvalho Chehab p->index, 7755bc3cb74SMauro Carvalho Chehab (p->pixel_format & 0xff), 7765bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 8) & 0xff, 7775bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 16) & 0xff, 7785bc3cb74SMauro Carvalho Chehab (p->pixel_format >> 24) & 0xff, 7795bc3cb74SMauro Carvalho Chehab p->width, p->height, p->type); 7805bc3cb74SMauro Carvalho Chehab switch (p->type) { 7815bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_DISCRETE: 782560dde24SHans Verkuil pr_cont(", fps=%d/%d\n", 7835bc3cb74SMauro Carvalho Chehab p->discrete.numerator, 7845bc3cb74SMauro Carvalho Chehab p->discrete.denominator); 7855bc3cb74SMauro Carvalho Chehab break; 7865bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_STEPWISE: 787560dde24SHans Verkuil pr_cont(", min=%d/%d, max=%d/%d, step=%d/%d\n", 7885bc3cb74SMauro Carvalho Chehab p->stepwise.min.numerator, 7895bc3cb74SMauro Carvalho Chehab p->stepwise.min.denominator, 7905bc3cb74SMauro Carvalho Chehab p->stepwise.max.numerator, 7915bc3cb74SMauro Carvalho Chehab p->stepwise.max.denominator, 7925bc3cb74SMauro Carvalho Chehab p->stepwise.step.numerator, 7935bc3cb74SMauro Carvalho Chehab p->stepwise.step.denominator); 7945bc3cb74SMauro Carvalho Chehab break; 7955bc3cb74SMauro Carvalho Chehab case V4L2_FRMIVAL_TYPE_CONTINUOUS: 7965bc3cb74SMauro Carvalho Chehab /* fall through */ 7975bc3cb74SMauro Carvalho Chehab default: 7985bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 7995bc3cb74SMauro Carvalho Chehab break; 8005bc3cb74SMauro Carvalho Chehab } 8015bc3cb74SMauro Carvalho Chehab } 8025bc3cb74SMauro Carvalho Chehab 8035bc3cb74SMauro Carvalho Chehab static void v4l_print_event(const void *arg, bool write_only) 8045bc3cb74SMauro Carvalho Chehab { 8055bc3cb74SMauro Carvalho Chehab const struct v4l2_event *p = arg; 8065bc3cb74SMauro Carvalho Chehab const struct v4l2_event_ctrl *c; 8075bc3cb74SMauro Carvalho Chehab 8085bc3cb74SMauro Carvalho Chehab pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, " 8095bc3cb74SMauro Carvalho Chehab "timestamp=%lu.%9.9lu\n", 8105bc3cb74SMauro Carvalho Chehab p->type, p->pending, p->sequence, p->id, 8115bc3cb74SMauro Carvalho Chehab p->timestamp.tv_sec, p->timestamp.tv_nsec); 8125bc3cb74SMauro Carvalho Chehab switch (p->type) { 8135bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_VSYNC: 8145bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "field=%s\n", 8155bc3cb74SMauro Carvalho Chehab prt_names(p->u.vsync.field, v4l2_field_names)); 8165bc3cb74SMauro Carvalho Chehab break; 8175bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_CTRL: 8185bc3cb74SMauro Carvalho Chehab c = &p->u.ctrl; 8195bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "changes=0x%x, type=%u, ", 8205bc3cb74SMauro Carvalho Chehab c->changes, c->type); 8215bc3cb74SMauro Carvalho Chehab if (c->type == V4L2_CTRL_TYPE_INTEGER64) 8225bc3cb74SMauro Carvalho Chehab pr_cont("value64=%lld, ", c->value64); 8235bc3cb74SMauro Carvalho Chehab else 8245bc3cb74SMauro Carvalho Chehab pr_cont("value=%d, ", c->value); 8255bc3cb74SMauro Carvalho Chehab pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d, " 8265bc3cb74SMauro Carvalho Chehab "default_value=%d\n", 8275bc3cb74SMauro Carvalho Chehab c->flags, c->minimum, c->maximum, 8285bc3cb74SMauro Carvalho Chehab c->step, c->default_value); 8295bc3cb74SMauro Carvalho Chehab break; 8305bc3cb74SMauro Carvalho Chehab case V4L2_EVENT_FRAME_SYNC: 8315bc3cb74SMauro Carvalho Chehab pr_cont("frame_sequence=%u\n", 8325bc3cb74SMauro Carvalho Chehab p->u.frame_sync.frame_sequence); 8335bc3cb74SMauro Carvalho Chehab break; 8345bc3cb74SMauro Carvalho Chehab } 8355bc3cb74SMauro Carvalho Chehab } 8365bc3cb74SMauro Carvalho Chehab 8375bc3cb74SMauro Carvalho Chehab static void v4l_print_event_subscription(const void *arg, bool write_only) 8385bc3cb74SMauro Carvalho Chehab { 8395bc3cb74SMauro Carvalho Chehab const struct v4l2_event_subscription *p = arg; 8405bc3cb74SMauro Carvalho Chehab 8415bc3cb74SMauro Carvalho Chehab pr_cont("type=0x%x, id=0x%x, flags=0x%x\n", 8425bc3cb74SMauro Carvalho Chehab p->type, p->id, p->flags); 8435bc3cb74SMauro Carvalho Chehab } 8445bc3cb74SMauro Carvalho Chehab 8455bc3cb74SMauro Carvalho Chehab static void v4l_print_sliced_vbi_cap(const void *arg, bool write_only) 8465bc3cb74SMauro Carvalho Chehab { 8475bc3cb74SMauro Carvalho Chehab const struct v4l2_sliced_vbi_cap *p = arg; 8485bc3cb74SMauro Carvalho Chehab int i; 8495bc3cb74SMauro Carvalho Chehab 8505bc3cb74SMauro Carvalho Chehab pr_cont("type=%s, service_set=0x%08x\n", 8515bc3cb74SMauro Carvalho Chehab prt_names(p->type, v4l2_type_names), p->service_set); 8525bc3cb74SMauro Carvalho Chehab for (i = 0; i < 24; i++) 8535bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, 8545bc3cb74SMauro Carvalho Chehab p->service_lines[0][i], 8555bc3cb74SMauro Carvalho Chehab p->service_lines[1][i]); 8565bc3cb74SMauro Carvalho Chehab } 8575bc3cb74SMauro Carvalho Chehab 8585bc3cb74SMauro Carvalho Chehab static void v4l_print_freq_band(const void *arg, bool write_only) 8595bc3cb74SMauro Carvalho Chehab { 8605bc3cb74SMauro Carvalho Chehab const struct v4l2_frequency_band *p = arg; 8615bc3cb74SMauro Carvalho Chehab 8625bc3cb74SMauro Carvalho Chehab pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, " 8635bc3cb74SMauro Carvalho Chehab "rangelow=%u, rangehigh=%u, modulation=0x%x\n", 8645bc3cb74SMauro Carvalho Chehab p->tuner, p->type, p->index, 8655bc3cb74SMauro Carvalho Chehab p->capability, p->rangelow, 8665bc3cb74SMauro Carvalho Chehab p->rangehigh, p->modulation); 8675bc3cb74SMauro Carvalho Chehab } 8685bc3cb74SMauro Carvalho Chehab 869dd519bb3SHans Verkuil static void v4l_print_edid(const void *arg, bool write_only) 870dd519bb3SHans Verkuil { 871dd519bb3SHans Verkuil const struct v4l2_edid *p = arg; 872dd519bb3SHans Verkuil 873dd519bb3SHans Verkuil pr_cont("pad=%u, start_block=%u, blocks=%u\n", 874dd519bb3SHans Verkuil p->pad, p->start_block, p->blocks); 875dd519bb3SHans Verkuil } 876dd519bb3SHans Verkuil 8775bc3cb74SMauro Carvalho Chehab static void v4l_print_u32(const void *arg, bool write_only) 8785bc3cb74SMauro Carvalho Chehab { 8795bc3cb74SMauro Carvalho Chehab pr_cont("value=%u\n", *(const u32 *)arg); 8805bc3cb74SMauro Carvalho Chehab } 8815bc3cb74SMauro Carvalho Chehab 8825bc3cb74SMauro Carvalho Chehab static void v4l_print_newline(const void *arg, bool write_only) 8835bc3cb74SMauro Carvalho Chehab { 8845bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 8855bc3cb74SMauro Carvalho Chehab } 8865bc3cb74SMauro Carvalho Chehab 8875bc3cb74SMauro Carvalho Chehab static void v4l_print_default(const void *arg, bool write_only) 8885bc3cb74SMauro Carvalho Chehab { 8895bc3cb74SMauro Carvalho Chehab pr_cont("driver-specific ioctl\n"); 8905bc3cb74SMauro Carvalho Chehab } 8915bc3cb74SMauro Carvalho Chehab 8925bc3cb74SMauro Carvalho Chehab static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) 8935bc3cb74SMauro Carvalho Chehab { 8945bc3cb74SMauro Carvalho Chehab __u32 i; 8955bc3cb74SMauro Carvalho Chehab 8965bc3cb74SMauro Carvalho Chehab /* zero the reserved fields */ 8975bc3cb74SMauro Carvalho Chehab c->reserved[0] = c->reserved[1] = 0; 8985bc3cb74SMauro Carvalho Chehab for (i = 0; i < c->count; i++) 8995bc3cb74SMauro Carvalho Chehab c->controls[i].reserved2[0] = 0; 9005bc3cb74SMauro Carvalho Chehab 9015bc3cb74SMauro Carvalho Chehab /* V4L2_CID_PRIVATE_BASE cannot be used as control class 9025bc3cb74SMauro Carvalho Chehab when using extended controls. 9035bc3cb74SMauro Carvalho Chehab Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL 9045bc3cb74SMauro Carvalho Chehab is it allowed for backwards compatibility. 9055bc3cb74SMauro Carvalho Chehab */ 9060f8017beSRicardo Ribalda if (!allow_priv && c->which == V4L2_CID_PRIVATE_BASE) 9075bc3cb74SMauro Carvalho Chehab return 0; 9080f8017beSRicardo Ribalda if (!c->which) 9099b239b22SHans Verkuil return 1; 9105bc3cb74SMauro Carvalho Chehab /* Check that all controls are from the same control class. */ 9115bc3cb74SMauro Carvalho Chehab for (i = 0; i < c->count; i++) { 9120f8017beSRicardo Ribalda if (V4L2_CTRL_ID2WHICH(c->controls[i].id) != c->which) { 9135bc3cb74SMauro Carvalho Chehab c->error_idx = i; 9145bc3cb74SMauro Carvalho Chehab return 0; 9155bc3cb74SMauro Carvalho Chehab } 9165bc3cb74SMauro Carvalho Chehab } 9175bc3cb74SMauro Carvalho Chehab return 1; 9185bc3cb74SMauro Carvalho Chehab } 9195bc3cb74SMauro Carvalho Chehab 9204b20259fSHans Verkuil static int check_fmt(struct file *file, enum v4l2_buf_type type) 9215bc3cb74SMauro Carvalho Chehab { 9224b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 9234b20259fSHans Verkuil const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; 9244b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 9254b20259fSHans Verkuil bool is_vbi = vfd->vfl_type == VFL_TYPE_VBI; 926582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 9274b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 9284b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 9294b20259fSHans Verkuil 9305bc3cb74SMauro Carvalho Chehab if (ops == NULL) 9315bc3cb74SMauro Carvalho Chehab return -EINVAL; 9325bc3cb74SMauro Carvalho Chehab 9335bc3cb74SMauro Carvalho Chehab switch (type) { 9345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 9354b20259fSHans Verkuil if (is_vid && is_rx && 9364b20259fSHans Verkuil (ops->vidioc_g_fmt_vid_cap || ops->vidioc_g_fmt_vid_cap_mplane)) 9375bc3cb74SMauro Carvalho Chehab return 0; 9385bc3cb74SMauro Carvalho Chehab break; 9395bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 9404b20259fSHans Verkuil if (is_vid && is_rx && ops->vidioc_g_fmt_vid_cap_mplane) 9415bc3cb74SMauro Carvalho Chehab return 0; 9425bc3cb74SMauro Carvalho Chehab break; 9435bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 9444b20259fSHans Verkuil if (is_vid && is_rx && ops->vidioc_g_fmt_vid_overlay) 9455bc3cb74SMauro Carvalho Chehab return 0; 9465bc3cb74SMauro Carvalho Chehab break; 9475bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 9484b20259fSHans Verkuil if (is_vid && is_tx && 9494b20259fSHans Verkuil (ops->vidioc_g_fmt_vid_out || ops->vidioc_g_fmt_vid_out_mplane)) 9505bc3cb74SMauro Carvalho Chehab return 0; 9515bc3cb74SMauro Carvalho Chehab break; 9525bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 9534b20259fSHans Verkuil if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_mplane) 9545bc3cb74SMauro Carvalho Chehab return 0; 9555bc3cb74SMauro Carvalho Chehab break; 9565bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 9574b20259fSHans Verkuil if (is_vid && is_tx && ops->vidioc_g_fmt_vid_out_overlay) 9585bc3cb74SMauro Carvalho Chehab return 0; 9595bc3cb74SMauro Carvalho Chehab break; 9605bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_CAPTURE: 9614b20259fSHans Verkuil if (is_vbi && is_rx && ops->vidioc_g_fmt_vbi_cap) 9625bc3cb74SMauro Carvalho Chehab return 0; 9635bc3cb74SMauro Carvalho Chehab break; 9645bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 9654b20259fSHans Verkuil if (is_vbi && is_tx && ops->vidioc_g_fmt_vbi_out) 9665bc3cb74SMauro Carvalho Chehab return 0; 9675bc3cb74SMauro Carvalho Chehab break; 9685bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 9694b20259fSHans Verkuil if (is_vbi && is_rx && ops->vidioc_g_fmt_sliced_vbi_cap) 9705bc3cb74SMauro Carvalho Chehab return 0; 9715bc3cb74SMauro Carvalho Chehab break; 9725bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 9734b20259fSHans Verkuil if (is_vbi && is_tx && ops->vidioc_g_fmt_sliced_vbi_out) 9745bc3cb74SMauro Carvalho Chehab return 0; 9755bc3cb74SMauro Carvalho Chehab break; 976582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 977582c52cbSAntti Palosaari if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap) 978582c52cbSAntti Palosaari return 0; 979582c52cbSAntti Palosaari break; 9809effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 9819effc72fSAntti Palosaari if (is_sdr && is_tx && ops->vidioc_g_fmt_sdr_out) 9829effc72fSAntti Palosaari return 0; 9839effc72fSAntti Palosaari break; 984633c98e5SHans Verkuil default: 9855bc3cb74SMauro Carvalho Chehab break; 9865bc3cb74SMauro Carvalho Chehab } 9875bc3cb74SMauro Carvalho Chehab return -EINVAL; 9885bc3cb74SMauro Carvalho Chehab } 9895bc3cb74SMauro Carvalho Chehab 990d52e2381SLaurent Pinchart static void v4l_sanitize_format(struct v4l2_format *fmt) 991d52e2381SLaurent Pinchart { 992d52e2381SLaurent Pinchart unsigned int offset; 993d52e2381SLaurent Pinchart 994d52e2381SLaurent Pinchart /* 995d52e2381SLaurent Pinchart * The v4l2_pix_format structure has been extended with fields that were 996d52e2381SLaurent Pinchart * not previously required to be set to zero by applications. The priv 997d52e2381SLaurent Pinchart * field, when set to a magic value, indicates the the extended fields 998d52e2381SLaurent Pinchart * are valid. Otherwise they will contain undefined values. To simplify 999d52e2381SLaurent Pinchart * the API towards drivers zero the extended fields and set the priv 1000d52e2381SLaurent Pinchart * field to the magic value when the extended pixel format structure 1001d52e2381SLaurent Pinchart * isn't used by applications. 1002d52e2381SLaurent Pinchart */ 1003d52e2381SLaurent Pinchart 1004d52e2381SLaurent Pinchart if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 1005d52e2381SLaurent Pinchart fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 1006d52e2381SLaurent Pinchart return; 1007d52e2381SLaurent Pinchart 1008d52e2381SLaurent Pinchart if (fmt->fmt.pix.priv == V4L2_PIX_FMT_PRIV_MAGIC) 1009d52e2381SLaurent Pinchart return; 1010d52e2381SLaurent Pinchart 1011d52e2381SLaurent Pinchart fmt->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1012d52e2381SLaurent Pinchart 1013d52e2381SLaurent Pinchart offset = offsetof(struct v4l2_pix_format, priv) 1014d52e2381SLaurent Pinchart + sizeof(fmt->fmt.pix.priv); 1015d52e2381SLaurent Pinchart memset(((void *)&fmt->fmt.pix) + offset, 0, 1016d52e2381SLaurent Pinchart sizeof(fmt->fmt.pix) - offset); 1017d52e2381SLaurent Pinchart } 1018d52e2381SLaurent Pinchart 10195bc3cb74SMauro Carvalho Chehab static int v4l_querycap(const struct v4l2_ioctl_ops *ops, 10205bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10215bc3cb74SMauro Carvalho Chehab { 10225bc3cb74SMauro Carvalho Chehab struct v4l2_capability *cap = (struct v4l2_capability *)arg; 10237bbe7813SHans Verkuil struct video_device *vfd = video_devdata(file); 1024d52e2381SLaurent Pinchart int ret; 10255bc3cb74SMauro Carvalho Chehab 10265bc3cb74SMauro Carvalho Chehab cap->version = LINUX_VERSION_CODE; 10277bbe7813SHans Verkuil cap->device_caps = vfd->device_caps; 10287bbe7813SHans Verkuil cap->capabilities = vfd->device_caps | V4L2_CAP_DEVICE_CAPS; 1029d52e2381SLaurent Pinchart 1030d52e2381SLaurent Pinchart ret = ops->vidioc_querycap(file, fh, cap); 1031d52e2381SLaurent Pinchart 1032d52e2381SLaurent Pinchart cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT; 1033454a4e72SHans Verkuil /* 1034454a4e72SHans Verkuil * Drivers MUST fill in device_caps, so check for this and 1035454a4e72SHans Verkuil * warn if it was forgotten. 1036454a4e72SHans Verkuil */ 10376d7570c4SLaura Abbott WARN(!(cap->capabilities & V4L2_CAP_DEVICE_CAPS) || 10386d7570c4SLaura Abbott !cap->device_caps, "Bad caps for driver %s, %x %x", 10396d7570c4SLaura Abbott cap->driver, cap->capabilities, cap->device_caps); 1040796a2bd2SHans Verkuil cap->device_caps |= V4L2_CAP_EXT_PIX_FORMAT; 1041d52e2381SLaurent Pinchart 1042d52e2381SLaurent Pinchart return ret; 10435bc3cb74SMauro Carvalho Chehab } 10445bc3cb74SMauro Carvalho Chehab 10455bc3cb74SMauro Carvalho Chehab static int v4l_s_input(const struct v4l2_ioctl_ops *ops, 10465bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10475bc3cb74SMauro Carvalho Chehab { 104877fa4e07SShuah Khan struct video_device *vfd = video_devdata(file); 104977fa4e07SShuah Khan int ret; 105077fa4e07SShuah Khan 105177fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 105277fa4e07SShuah Khan if (ret) 105377fa4e07SShuah Khan return ret; 10545bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_input(file, fh, *(unsigned int *)arg); 10555bc3cb74SMauro Carvalho Chehab } 10565bc3cb74SMauro Carvalho Chehab 10575bc3cb74SMauro Carvalho Chehab static int v4l_s_output(const struct v4l2_ioctl_ops *ops, 10585bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10595bc3cb74SMauro Carvalho Chehab { 10605bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_output(file, fh, *(unsigned int *)arg); 10615bc3cb74SMauro Carvalho Chehab } 10625bc3cb74SMauro Carvalho Chehab 10635bc3cb74SMauro Carvalho Chehab static int v4l_g_priority(const struct v4l2_ioctl_ops *ops, 10645bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10655bc3cb74SMauro Carvalho Chehab { 10665bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 10675bc3cb74SMauro Carvalho Chehab u32 *p = arg; 10685bc3cb74SMauro Carvalho Chehab 10695bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 107059b702eaSLaurent Pinchart *p = v4l2_prio_max(vfd->prio); 10715bc3cb74SMauro Carvalho Chehab return 0; 10725bc3cb74SMauro Carvalho Chehab } 10735bc3cb74SMauro Carvalho Chehab 10745bc3cb74SMauro Carvalho Chehab static int v4l_s_priority(const struct v4l2_ioctl_ops *ops, 10755bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10765bc3cb74SMauro Carvalho Chehab { 10775bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 10785bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh; 10795bc3cb74SMauro Carvalho Chehab u32 *p = arg; 10805bc3cb74SMauro Carvalho Chehab 10815bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 10822438e78aSHans Verkuil if (!test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 10832438e78aSHans Verkuil return -ENOTTY; 10845bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 108559b702eaSLaurent Pinchart return v4l2_prio_change(vfd->prio, &vfh->prio, *p); 10865bc3cb74SMauro Carvalho Chehab } 10875bc3cb74SMauro Carvalho Chehab 10885bc3cb74SMauro Carvalho Chehab static int v4l_enuminput(const struct v4l2_ioctl_ops *ops, 10895bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10905bc3cb74SMauro Carvalho Chehab { 109173f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 10925bc3cb74SMauro Carvalho Chehab struct v4l2_input *p = arg; 10935bc3cb74SMauro Carvalho Chehab 10945bc3cb74SMauro Carvalho Chehab /* 109502fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 10965bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 10975bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 10985bc3cb74SMauro Carvalho Chehab * for a specific input, it must override these flags. 10995bc3cb74SMauro Carvalho Chehab */ 110073f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 11015bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_IN_CAP_STD; 11025bc3cb74SMauro Carvalho Chehab 11035bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_input(file, fh, p); 11045bc3cb74SMauro Carvalho Chehab } 11055bc3cb74SMauro Carvalho Chehab 11065bc3cb74SMauro Carvalho Chehab static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops, 11075bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11085bc3cb74SMauro Carvalho Chehab { 110973f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 11105bc3cb74SMauro Carvalho Chehab struct v4l2_output *p = arg; 11115bc3cb74SMauro Carvalho Chehab 11125bc3cb74SMauro Carvalho Chehab /* 111302fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 11145bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 11155bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 11165bc3cb74SMauro Carvalho Chehab * for a specific output, it must override these flags. 11175bc3cb74SMauro Carvalho Chehab */ 111873f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 11195bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_OUT_CAP_STD; 11205bc3cb74SMauro Carvalho Chehab 11215bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_output(file, fh, p); 11225bc3cb74SMauro Carvalho Chehab } 11235bc3cb74SMauro Carvalho Chehab 1124ba300204SHans Verkuil static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 1125ba300204SHans Verkuil { 1126ba300204SHans Verkuil const unsigned sz = sizeof(fmt->description); 1127ba300204SHans Verkuil const char *descr = NULL; 1128ba300204SHans Verkuil u32 flags = 0; 1129ba300204SHans Verkuil 1130ba300204SHans Verkuil /* 1131ba300204SHans Verkuil * We depart from the normal coding style here since the descriptions 1132ba300204SHans Verkuil * should be aligned so it is easy to see which descriptions will be 1133ba300204SHans Verkuil * longer than 31 characters (the max length for a description). 1134ba300204SHans Verkuil * And frankly, this is easier to read anyway. 1135ba300204SHans Verkuil * 1136ba300204SHans Verkuil * Note that gcc will use O(log N) comparisons to find the right case. 1137ba300204SHans Verkuil */ 1138ba300204SHans Verkuil switch (fmt->pixelformat) { 1139ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1140ba300204SHans Verkuil case V4L2_PIX_FMT_RGB332: descr = "8-bit RGB 3-3-2"; break; 1141ba300204SHans Verkuil case V4L2_PIX_FMT_RGB444: descr = "16-bit A/XRGB 4-4-4-4"; break; 1142ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB444: descr = "16-bit ARGB 4-4-4-4"; break; 1143ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB444: descr = "16-bit XRGB 4-4-4-4"; break; 1144ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555: descr = "16-bit A/XRGB 1-5-5-5"; break; 1145ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555: descr = "16-bit ARGB 1-5-5-5"; break; 1146ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555: descr = "16-bit XRGB 1-5-5-5"; break; 1147ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565: descr = "16-bit RGB 5-6-5"; break; 1148ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555X: descr = "16-bit A/XRGB 1-5-5-5 BE"; break; 1149ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555X: descr = "16-bit ARGB 1-5-5-5 BE"; break; 1150ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555X: descr = "16-bit XRGB 1-5-5-5 BE"; break; 1151ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565X: descr = "16-bit RGB 5-6-5 BE"; break; 1152ba300204SHans Verkuil case V4L2_PIX_FMT_BGR666: descr = "18-bit BGRX 6-6-6-14"; break; 1153ba300204SHans Verkuil case V4L2_PIX_FMT_BGR24: descr = "24-bit BGR 8-8-8"; break; 1154ba300204SHans Verkuil case V4L2_PIX_FMT_RGB24: descr = "24-bit RGB 8-8-8"; break; 1155ba300204SHans Verkuil case V4L2_PIX_FMT_BGR32: descr = "32-bit BGRA/X 8-8-8-8"; break; 1156ba300204SHans Verkuil case V4L2_PIX_FMT_ABGR32: descr = "32-bit BGRA 8-8-8-8"; break; 1157ba300204SHans Verkuil case V4L2_PIX_FMT_XBGR32: descr = "32-bit BGRX 8-8-8-8"; break; 1158ba300204SHans Verkuil case V4L2_PIX_FMT_RGB32: descr = "32-bit A/XRGB 8-8-8-8"; break; 1159ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB32: descr = "32-bit ARGB 8-8-8-8"; break; 1160ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB32: descr = "32-bit XRGB 8-8-8-8"; break; 1161ba300204SHans Verkuil case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break; 1162ba300204SHans Verkuil case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break; 1163ba300204SHans Verkuil case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break; 1164ba300204SHans Verkuil case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break; 1165ba300204SHans Verkuil case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break; 1166ba300204SHans Verkuil case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; 11672e5e435fSRicardo Ribalda case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; 1168ba300204SHans Verkuil case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; 1169ba300204SHans Verkuil case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break; 1170ba300204SHans Verkuil case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break; 1171ba300204SHans Verkuil case V4L2_PIX_FMT_YVU410: descr = "Planar YVU 4:1:0"; break; 1172ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420: descr = "Planar YVU 4:2:0"; break; 1173ba300204SHans Verkuil case V4L2_PIX_FMT_YUYV: descr = "YUYV 4:2:2"; break; 1174ba300204SHans Verkuil case V4L2_PIX_FMT_YYUV: descr = "YYUV 4:2:2"; break; 1175ba300204SHans Verkuil case V4L2_PIX_FMT_YVYU: descr = "YVYU 4:2:2"; break; 1176ba300204SHans Verkuil case V4L2_PIX_FMT_UYVY: descr = "UYVY 4:2:2"; break; 1177ba300204SHans Verkuil case V4L2_PIX_FMT_VYUY: descr = "VYUY 4:2:2"; break; 1178fcbafafbSPhilipp Zabel case V4L2_PIX_FMT_YUV422P: descr = "Planar YUV 4:2:2"; break; 1179ba300204SHans Verkuil case V4L2_PIX_FMT_YUV411P: descr = "Planar YUV 4:1:1"; break; 1180ba300204SHans Verkuil case V4L2_PIX_FMT_Y41P: descr = "YUV 4:1:1 (Packed)"; break; 1181ba300204SHans Verkuil case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break; 1182ba300204SHans Verkuil case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; 1183ba300204SHans Verkuil case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; 1184ba300204SHans Verkuil case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; 1185ba300204SHans Verkuil case V4L2_PIX_FMT_YUV410: descr = "Planar YUV 4:1:0"; break; 1186ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break; 1187ba300204SHans Verkuil case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break; 1188ba300204SHans Verkuil case V4L2_PIX_FMT_HM12: descr = "YUV 4:2:0 (16x16 Macroblocks)"; break; 1189ba300204SHans Verkuil case V4L2_PIX_FMT_M420: descr = "YUV 4:2:0 (M420)"; break; 1190ba300204SHans Verkuil case V4L2_PIX_FMT_NV12: descr = "Y/CbCr 4:2:0"; break; 1191ba300204SHans Verkuil case V4L2_PIX_FMT_NV21: descr = "Y/CrCb 4:2:0"; break; 1192ba300204SHans Verkuil case V4L2_PIX_FMT_NV16: descr = "Y/CbCr 4:2:2"; break; 1193ba300204SHans Verkuil case V4L2_PIX_FMT_NV61: descr = "Y/CrCb 4:2:2"; break; 1194ba300204SHans Verkuil case V4L2_PIX_FMT_NV24: descr = "Y/CbCr 4:4:4"; break; 1195ba300204SHans Verkuil case V4L2_PIX_FMT_NV42: descr = "Y/CrCb 4:4:4"; break; 1196ba300204SHans Verkuil case V4L2_PIX_FMT_NV12M: descr = "Y/CbCr 4:2:0 (N-C)"; break; 1197ba300204SHans Verkuil case V4L2_PIX_FMT_NV21M: descr = "Y/CrCb 4:2:0 (N-C)"; break; 1198ba300204SHans Verkuil case V4L2_PIX_FMT_NV16M: descr = "Y/CbCr 4:2:2 (N-C)"; break; 1199ba300204SHans Verkuil case V4L2_PIX_FMT_NV61M: descr = "Y/CrCb 4:2:2 (N-C)"; break; 1200ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT: descr = "Y/CbCr 4:2:0 (64x32 MB, N-C)"; break; 1201ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT_16X16: descr = "Y/CbCr 4:2:0 (16x16 MB, N-C)"; break; 1202ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420M: descr = "Planar YUV 4:2:0 (N-C)"; break; 1203ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420M: descr = "Planar YVU 4:2:0 (N-C)"; break; 1204d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV422M: descr = "Planar YUV 4:2:2 (N-C)"; break; 1205d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU422M: descr = "Planar YVU 4:2:2 (N-C)"; break; 1206d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV444M: descr = "Planar YUV 4:4:4 (N-C)"; break; 1207d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU444M: descr = "Planar YVU 4:4:4 (N-C)"; break; 1208ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR8: descr = "8-bit Bayer BGBG/GRGR"; break; 1209ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG8: descr = "8-bit Bayer GBGB/RGRG"; break; 1210ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG8: descr = "8-bit Bayer GRGR/BGBG"; break; 1211ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB8: descr = "8-bit Bayer RGRG/GBGB"; break; 1212ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10: descr = "10-bit Bayer BGBG/GRGR"; break; 1213ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10: descr = "10-bit Bayer GBGB/RGRG"; break; 1214ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10: descr = "10-bit Bayer GRGR/BGBG"; break; 1215ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10: descr = "10-bit Bayer RGRG/GBGB"; break; 1216ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR12: descr = "12-bit Bayer BGBG/GRGR"; break; 1217ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break; 1218ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break; 1219ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB12: descr = "12-bit Bayer RGRG/GBGB"; break; 1220ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10P: descr = "10-bit Bayer BGBG/GRGR Packed"; break; 1221ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10P: descr = "10-bit Bayer GBGB/RGRG Packed"; break; 1222ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10P: descr = "10-bit Bayer GRGR/BGBG Packed"; break; 1223ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10P: descr = "10-bit Bayer RGRG/GBGB Packed"; break; 1224ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10ALAW8: descr = "8-bit Bayer BGBG/GRGR (A-law)"; break; 1225ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10ALAW8: descr = "8-bit Bayer GBGB/RGRG (A-law)"; break; 1226ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10ALAW8: descr = "8-bit Bayer GRGR/BGBG (A-law)"; break; 1227ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10ALAW8: descr = "8-bit Bayer RGRG/GBGB (A-law)"; break; 1228ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10DPCM8: descr = "8-bit Bayer BGBG/GRGR (DPCM)"; break; 1229ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10DPCM8: descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break; 1230ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10DPCM8: descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break; 1231ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10DPCM8: descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break; 1232ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR (Exp.)"; break; 123399b74277SMauro Carvalho Chehab case V4L2_PIX_FMT_SN9C20X_I420: descr = "GSPCA SN9C20X I420"; break; 1234ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA501: descr = "GSPCA SPCA501"; break; 1235ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA505: descr = "GSPCA SPCA505"; break; 1236ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA508: descr = "GSPCA SPCA508"; break; 1237ba300204SHans Verkuil case V4L2_PIX_FMT_STV0680: descr = "GSPCA STV0680"; break; 1238ba300204SHans Verkuil case V4L2_PIX_FMT_TM6000: descr = "A/V + VBI Mux Packet"; break; 1239ba300204SHans Verkuil case V4L2_PIX_FMT_CIT_YYVYUY: descr = "GSPCA CIT YYVYUY"; break; 1240ba300204SHans Verkuil case V4L2_PIX_FMT_KONICA420: descr = "GSPCA KONICA420"; break; 124148fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU8: descr = "Complex U8"; break; 124248fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU16LE: descr = "Complex U16LE"; break; 1243ba300204SHans Verkuil case V4L2_SDR_FMT_CS8: descr = "Complex S8"; break; 1244ba300204SHans Verkuil case V4L2_SDR_FMT_CS14LE: descr = "Complex S14LE"; break; 1245ba300204SHans Verkuil case V4L2_SDR_FMT_RU12LE: descr = "Real U12LE"; break; 1246ba300204SHans Verkuil 1247ba300204SHans Verkuil default: 1248ba300204SHans Verkuil /* Compressed formats */ 1249ba300204SHans Verkuil flags = V4L2_FMT_FLAG_COMPRESSED; 1250ba300204SHans Verkuil switch (fmt->pixelformat) { 1251ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1252ba300204SHans Verkuil case V4L2_PIX_FMT_MJPEG: descr = "Motion-JPEG"; break; 1253ba300204SHans Verkuil case V4L2_PIX_FMT_JPEG: descr = "JFIF JPEG"; break; 1254ba300204SHans Verkuil case V4L2_PIX_FMT_DV: descr = "1394"; break; 1255ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG: descr = "MPEG-1/2/4"; break; 1256ba300204SHans Verkuil case V4L2_PIX_FMT_H264: descr = "H.264"; break; 1257ba300204SHans Verkuil case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break; 1258ba300204SHans Verkuil case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break; 1259ba300204SHans Verkuil case V4L2_PIX_FMT_H263: descr = "H.263"; break; 1260ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break; 1261ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break; 1262ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 part 2 ES"; break; 1263ba300204SHans Verkuil case V4L2_PIX_FMT_XVID: descr = "Xvid"; break; 1264ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_G: descr = "VC-1 (SMPTE 412M Annex G)"; break; 1265ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break; 1266ba300204SHans Verkuil case V4L2_PIX_FMT_VP8: descr = "VP8"; break; 1267ba300204SHans Verkuil case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; 1268ba300204SHans Verkuil case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; 1269ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; 1270ba300204SHans Verkuil case V4L2_PIX_FMT_PWC1: descr = "Raw Philips Webcam Type (Old)"; break; 1271ba300204SHans Verkuil case V4L2_PIX_FMT_PWC2: descr = "Raw Philips Webcam Type (New)"; break; 1272ba300204SHans Verkuil case V4L2_PIX_FMT_ET61X251: descr = "GSPCA ET61X251"; break; 1273ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA561: descr = "GSPCA SPCA561"; break; 1274ba300204SHans Verkuil case V4L2_PIX_FMT_PAC207: descr = "GSPCA PAC207"; break; 1275ba300204SHans Verkuil case V4L2_PIX_FMT_MR97310A: descr = "GSPCA MR97310A"; break; 1276ba300204SHans Verkuil case V4L2_PIX_FMT_JL2005BCD: descr = "GSPCA JL2005BCD"; break; 1277ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C2028: descr = "GSPCA SN9C2028"; break; 1278ba300204SHans Verkuil case V4L2_PIX_FMT_SQ905C: descr = "GSPCA SQ905C"; break; 1279ba300204SHans Verkuil case V4L2_PIX_FMT_PJPG: descr = "GSPCA PJPG"; break; 1280ba300204SHans Verkuil case V4L2_PIX_FMT_OV511: descr = "GSPCA OV511"; break; 1281ba300204SHans Verkuil case V4L2_PIX_FMT_OV518: descr = "GSPCA OV518"; break; 1282ba300204SHans Verkuil case V4L2_PIX_FMT_JPGL: descr = "JPEG Lite"; break; 1283ba300204SHans Verkuil case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; 1284ba300204SHans Verkuil case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; 1285ba300204SHans Verkuil default: 1286ba300204SHans Verkuil WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); 1287ba300204SHans Verkuil if (fmt->description[0]) 1288ba300204SHans Verkuil return; 1289ba300204SHans Verkuil flags = 0; 1290ba300204SHans Verkuil snprintf(fmt->description, sz, "%c%c%c%c%s", 1291ba300204SHans Verkuil (char)(fmt->pixelformat & 0x7f), 1292ba300204SHans Verkuil (char)((fmt->pixelformat >> 8) & 0x7f), 1293ba300204SHans Verkuil (char)((fmt->pixelformat >> 16) & 0x7f), 1294ba300204SHans Verkuil (char)((fmt->pixelformat >> 24) & 0x7f), 1295ba300204SHans Verkuil (fmt->pixelformat & (1 << 31)) ? "-BE" : ""); 1296ba300204SHans Verkuil break; 1297ba300204SHans Verkuil } 1298ba300204SHans Verkuil } 1299ba300204SHans Verkuil 1300ba300204SHans Verkuil if (descr) 1301ba300204SHans Verkuil WARN_ON(strlcpy(fmt->description, descr, sz) >= sz); 1302ba300204SHans Verkuil fmt->flags = flags; 1303ba300204SHans Verkuil } 1304ba300204SHans Verkuil 13055bc3cb74SMauro Carvalho Chehab static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, 13065bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 13075bc3cb74SMauro Carvalho Chehab { 13085bc3cb74SMauro Carvalho Chehab struct v4l2_fmtdesc *p = arg; 13094b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 1310ce71bbc9SHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1311ce71bbc9SHans Verkuil bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 13124b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 13134b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 1314ba300204SHans Verkuil int ret = -EINVAL; 13155bc3cb74SMauro Carvalho Chehab 13165bc3cb74SMauro Carvalho Chehab switch (p->type) { 13175bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1318ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap)) 13195bc3cb74SMauro Carvalho Chehab break; 1320ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg); 1321ba300204SHans Verkuil break; 13225bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1323ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap_mplane)) 13245bc3cb74SMauro Carvalho Chehab break; 1325ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg); 1326ba300204SHans Verkuil break; 13275bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1328ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_overlay)) 13295bc3cb74SMauro Carvalho Chehab break; 1330ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); 1331ba300204SHans Verkuil break; 13325bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 1333ce71bbc9SHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out)) 13345bc3cb74SMauro Carvalho Chehab break; 1335ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg); 1336ba300204SHans Verkuil break; 13375bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1338ce71bbc9SHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out_mplane)) 13395bc3cb74SMauro Carvalho Chehab break; 1340ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg); 1341ba300204SHans Verkuil break; 1342582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1343ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_sdr || !ops->vidioc_enum_fmt_sdr_cap)) 1344582c52cbSAntti Palosaari break; 1345ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg); 1346ba300204SHans Verkuil break; 13479effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 13489effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out)) 13499effc72fSAntti Palosaari break; 13509effc72fSAntti Palosaari ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg); 13519effc72fSAntti Palosaari break; 13525bc3cb74SMauro Carvalho Chehab } 1353ba300204SHans Verkuil if (ret == 0) 1354ba300204SHans Verkuil v4l_fill_fmtdesc(p); 1355ba300204SHans Verkuil return ret; 13565bc3cb74SMauro Carvalho Chehab } 13575bc3cb74SMauro Carvalho Chehab 13585bc3cb74SMauro Carvalho Chehab static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, 13595bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 13605bc3cb74SMauro Carvalho Chehab { 13615bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 13624b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 13634b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1364582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 13654b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 13664b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 1367d52e2381SLaurent Pinchart int ret; 1368d52e2381SLaurent Pinchart 1369e5ce558aSHans Verkuil /* 1370e5ce558aSHans Verkuil * fmt can't be cleared for these overlay types due to the 'clips' 1371e5ce558aSHans Verkuil * 'clipcount' and 'bitmap' pointers in struct v4l2_window. 1372e5ce558aSHans Verkuil * Those are provided by the user. So handle these two overlay types 1373e5ce558aSHans Verkuil * first, and then just do a simple memset for the other types. 1374e5ce558aSHans Verkuil */ 1375e5ce558aSHans Verkuil switch (p->type) { 1376e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1377e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: { 13784d1afa51SHans Verkuil struct v4l2_clip __user *clips = p->fmt.win.clips; 1379e5ce558aSHans Verkuil u32 clipcount = p->fmt.win.clipcount; 13804d1afa51SHans Verkuil void __user *bitmap = p->fmt.win.bitmap; 1381e5ce558aSHans Verkuil 1382e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1383e5ce558aSHans Verkuil p->fmt.win.clips = clips; 1384e5ce558aSHans Verkuil p->fmt.win.clipcount = clipcount; 1385e5ce558aSHans Verkuil p->fmt.win.bitmap = bitmap; 1386e5ce558aSHans Verkuil break; 1387e5ce558aSHans Verkuil } 1388e5ce558aSHans Verkuil default: 1389e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1390e5ce558aSHans Verkuil break; 1391e5ce558aSHans Verkuil } 1392e5ce558aSHans Verkuil 13935bc3cb74SMauro Carvalho Chehab switch (p->type) { 13945bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 13954b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap)) 13965bc3cb74SMauro Carvalho Chehab break; 139748f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1398d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg); 139948f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1400d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1401d52e2381SLaurent Pinchart return ret; 14025bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 14034b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap_mplane)) 14045bc3cb74SMauro Carvalho Chehab break; 14055bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); 14065bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 14074b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_overlay)) 14085bc3cb74SMauro Carvalho Chehab break; 14095bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_overlay(file, fh, arg); 14104b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 14114b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_vbi_cap)) 14124b20259fSHans Verkuil break; 14134b20259fSHans Verkuil return ops->vidioc_g_fmt_vbi_cap(file, fh, arg); 14144b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 14154b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_cap)) 14164b20259fSHans Verkuil break; 14174b20259fSHans Verkuil return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg); 14185bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 14194b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out)) 14205bc3cb74SMauro Carvalho Chehab break; 142148f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1422d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_out(file, fh, arg); 142348f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1424d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1425d52e2381SLaurent Pinchart return ret; 14265bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 14274b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_mplane)) 14285bc3cb74SMauro Carvalho Chehab break; 14295bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg); 14305bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 14314b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_overlay)) 14325bc3cb74SMauro Carvalho Chehab break; 14335bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg); 14345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 14354b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_vbi_out)) 14365bc3cb74SMauro Carvalho Chehab break; 14375bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vbi_out(file, fh, arg); 14385bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 14394b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_out)) 14405bc3cb74SMauro Carvalho Chehab break; 14415bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg); 1442582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1443582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap)) 1444582c52cbSAntti Palosaari break; 1445582c52cbSAntti Palosaari return ops->vidioc_g_fmt_sdr_cap(file, fh, arg); 14469effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 14479effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out)) 14489effc72fSAntti Palosaari break; 14499effc72fSAntti Palosaari return ops->vidioc_g_fmt_sdr_out(file, fh, arg); 14505bc3cb74SMauro Carvalho Chehab } 14515bc3cb74SMauro Carvalho Chehab return -EINVAL; 14525bc3cb74SMauro Carvalho Chehab } 14535bc3cb74SMauro Carvalho Chehab 14545bc3cb74SMauro Carvalho Chehab static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, 14555bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 14565bc3cb74SMauro Carvalho Chehab { 14575bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 14584b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 14594b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1460582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 14614b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 14624b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 146348f2650aSHans Verkuil int ret; 14645bc3cb74SMauro Carvalho Chehab 146577fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 146677fa4e07SShuah Khan if (ret) 146777fa4e07SShuah Khan return ret; 1468d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1469d52e2381SLaurent Pinchart 14705bc3cb74SMauro Carvalho Chehab switch (p->type) { 14715bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 14724b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap)) 14735bc3cb74SMauro Carvalho Chehab break; 14745bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 147548f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_cap(file, fh, arg); 147648f2650aSHans Verkuil /* just in case the driver zeroed it again */ 147748f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 147848f2650aSHans Verkuil return ret; 14795bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 14804b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap_mplane)) 14815bc3cb74SMauro Carvalho Chehab break; 14825bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 14835bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); 14845bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 14854b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_overlay)) 14865bc3cb74SMauro Carvalho Chehab break; 14875bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 14885bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_overlay(file, fh, arg); 14894b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 14904b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_vbi_cap)) 14914b20259fSHans Verkuil break; 14924b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi); 14934b20259fSHans Verkuil return ops->vidioc_s_fmt_vbi_cap(file, fh, arg); 14944b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 14954b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_cap)) 14964b20259fSHans Verkuil break; 14974b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced); 14984b20259fSHans Verkuil return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg); 14995bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 15004b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out)) 15015bc3cb74SMauro Carvalho Chehab break; 15025bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 150348f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_out(file, fh, arg); 150448f2650aSHans Verkuil /* just in case the driver zeroed it again */ 150548f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 150648f2650aSHans Verkuil return ret; 15075bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 15084b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_mplane)) 15095bc3cb74SMauro Carvalho Chehab break; 15105bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15115bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); 15125bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 15134b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_overlay)) 15145bc3cb74SMauro Carvalho Chehab break; 15155bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 15165bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg); 15175bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 15184b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_vbi_out)) 15195bc3cb74SMauro Carvalho Chehab break; 15205bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.vbi); 15215bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vbi_out(file, fh, arg); 15225bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 15234b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_out)) 15245bc3cb74SMauro Carvalho Chehab break; 15255bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.sliced); 15265bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg); 1527582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1528582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_sdr_cap)) 1529582c52cbSAntti Palosaari break; 1530582c52cbSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 1531582c52cbSAntti Palosaari return ops->vidioc_s_fmt_sdr_cap(file, fh, arg); 15329effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 15339effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out)) 15349effc72fSAntti Palosaari break; 15359effc72fSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 15369effc72fSAntti Palosaari return ops->vidioc_s_fmt_sdr_out(file, fh, arg); 15375bc3cb74SMauro Carvalho Chehab } 15385bc3cb74SMauro Carvalho Chehab return -EINVAL; 15395bc3cb74SMauro Carvalho Chehab } 15405bc3cb74SMauro Carvalho Chehab 15415bc3cb74SMauro Carvalho Chehab static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, 15425bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 15435bc3cb74SMauro Carvalho Chehab { 15445bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 15454b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 15464b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1547582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 15484b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 15494b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 155048f2650aSHans Verkuil int ret; 15515bc3cb74SMauro Carvalho Chehab 1552d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1553d52e2381SLaurent Pinchart 15545bc3cb74SMauro Carvalho Chehab switch (p->type) { 15555bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 15564b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap)) 15575bc3cb74SMauro Carvalho Chehab break; 15585bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 155948f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg); 156048f2650aSHans Verkuil /* just in case the driver zeroed it again */ 156148f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 156248f2650aSHans Verkuil return ret; 15635bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 15644b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap_mplane)) 15655bc3cb74SMauro Carvalho Chehab break; 15665bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15675bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); 15685bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 15694b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_overlay)) 15705bc3cb74SMauro Carvalho Chehab break; 15715bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 15725bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_overlay(file, fh, arg); 15734b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 15744b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_vbi_cap)) 15754b20259fSHans Verkuil break; 15764b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi); 15774b20259fSHans Verkuil return ops->vidioc_try_fmt_vbi_cap(file, fh, arg); 15784b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 15794b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_cap)) 15804b20259fSHans Verkuil break; 15814b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced); 15824b20259fSHans Verkuil return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg); 15835bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 15844b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out)) 15855bc3cb74SMauro Carvalho Chehab break; 15865bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 158748f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_out(file, fh, arg); 158848f2650aSHans Verkuil /* just in case the driver zeroed it again */ 158948f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 159048f2650aSHans Verkuil return ret; 15915bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 15924b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_mplane)) 15935bc3cb74SMauro Carvalho Chehab break; 15945bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15955bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); 15965bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 15974b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_overlay)) 15985bc3cb74SMauro Carvalho Chehab break; 15995bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 16005bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg); 16015bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 16024b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_vbi_out)) 16035bc3cb74SMauro Carvalho Chehab break; 16045bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.vbi); 16055bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vbi_out(file, fh, arg); 16065bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 16074b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_out)) 16085bc3cb74SMauro Carvalho Chehab break; 16095bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.sliced); 16105bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg); 1611582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1612582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_sdr_cap)) 1613582c52cbSAntti Palosaari break; 1614582c52cbSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 1615582c52cbSAntti Palosaari return ops->vidioc_try_fmt_sdr_cap(file, fh, arg); 16169effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 16179effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out)) 16189effc72fSAntti Palosaari break; 16199effc72fSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 16209effc72fSAntti Palosaari return ops->vidioc_try_fmt_sdr_out(file, fh, arg); 16215bc3cb74SMauro Carvalho Chehab } 16225bc3cb74SMauro Carvalho Chehab return -EINVAL; 16235bc3cb74SMauro Carvalho Chehab } 16245bc3cb74SMauro Carvalho Chehab 16255bc3cb74SMauro Carvalho Chehab static int v4l_streamon(const struct v4l2_ioctl_ops *ops, 16265bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16275bc3cb74SMauro Carvalho Chehab { 16285bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamon(file, fh, *(unsigned int *)arg); 16295bc3cb74SMauro Carvalho Chehab } 16305bc3cb74SMauro Carvalho Chehab 16315bc3cb74SMauro Carvalho Chehab static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, 16325bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16335bc3cb74SMauro Carvalho Chehab { 16345bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); 16355bc3cb74SMauro Carvalho Chehab } 16365bc3cb74SMauro Carvalho Chehab 16375bc3cb74SMauro Carvalho Chehab static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, 16385bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16395bc3cb74SMauro Carvalho Chehab { 16405bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16415bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 16425bc3cb74SMauro Carvalho Chehab int err; 16435bc3cb74SMauro Carvalho Chehab 16445bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 16455bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 16465bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, p); 16475bc3cb74SMauro Carvalho Chehab if (!err) 16485bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 16495bc3cb74SMauro Carvalho Chehab return err; 16505bc3cb74SMauro Carvalho Chehab } 16515bc3cb74SMauro Carvalho Chehab 16525bc3cb74SMauro Carvalho Chehab static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, 16535bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16545bc3cb74SMauro Carvalho Chehab { 16555bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16565bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 165777fa4e07SShuah Khan int ret; 16585bc3cb74SMauro Carvalho Chehab 165977fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 166077fa4e07SShuah Khan if (ret) 166177fa4e07SShuah Khan return ret; 16625bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 16635bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 16645bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_tuner(file, fh, p); 16655bc3cb74SMauro Carvalho Chehab } 16665bc3cb74SMauro Carvalho Chehab 16675bc3cb74SMauro Carvalho Chehab static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops, 16685bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16695bc3cb74SMauro Carvalho Chehab { 16704124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 16715bc3cb74SMauro Carvalho Chehab struct v4l2_modulator *p = arg; 16725bc3cb74SMauro Carvalho Chehab int err; 16735bc3cb74SMauro Carvalho Chehab 16744124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 16754124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 16764124a3c4SAntti Palosaari 16775bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, p); 16785bc3cb74SMauro Carvalho Chehab if (!err) 16795bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 16805bc3cb74SMauro Carvalho Chehab return err; 16815bc3cb74SMauro Carvalho Chehab } 16825bc3cb74SMauro Carvalho Chehab 16834124a3c4SAntti Palosaari static int v4l_s_modulator(const struct v4l2_ioctl_ops *ops, 16844124a3c4SAntti Palosaari struct file *file, void *fh, void *arg) 16854124a3c4SAntti Palosaari { 16864124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 16874124a3c4SAntti Palosaari struct v4l2_modulator *p = arg; 16884124a3c4SAntti Palosaari 16894124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 16904124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 16914124a3c4SAntti Palosaari 16924124a3c4SAntti Palosaari return ops->vidioc_s_modulator(file, fh, p); 16934124a3c4SAntti Palosaari } 16944124a3c4SAntti Palosaari 16955bc3cb74SMauro Carvalho Chehab static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, 16965bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16975bc3cb74SMauro Carvalho Chehab { 16985bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16995bc3cb74SMauro Carvalho Chehab struct v4l2_frequency *p = arg; 17005bc3cb74SMauro Carvalho Chehab 170184099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 1702f3c3ececSAntti Palosaari p->type = V4L2_TUNER_SDR; 170384099a28SAntti Palosaari else 17045bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 17055bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 17065bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_frequency(file, fh, p); 17075bc3cb74SMauro Carvalho Chehab } 17085bc3cb74SMauro Carvalho Chehab 17095bc3cb74SMauro Carvalho Chehab static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, 17105bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17115bc3cb74SMauro Carvalho Chehab { 17125bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1713b530a447SHans Verkuil const struct v4l2_frequency *p = arg; 17145bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 171577fa4e07SShuah Khan int ret; 17165bc3cb74SMauro Carvalho Chehab 171777fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 171877fa4e07SShuah Khan if (ret) 171977fa4e07SShuah Khan return ret; 172084099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 1721f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 172284099a28SAntti Palosaari return -EINVAL; 172384099a28SAntti Palosaari } else { 17245bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 17255bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 172684099a28SAntti Palosaari if (type != p->type) 17275bc3cb74SMauro Carvalho Chehab return -EINVAL; 172884099a28SAntti Palosaari } 17295bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_frequency(file, fh, p); 17305bc3cb74SMauro Carvalho Chehab } 17315bc3cb74SMauro Carvalho Chehab 17325bc3cb74SMauro Carvalho Chehab static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, 17335bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17345bc3cb74SMauro Carvalho Chehab { 17355bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 17365bc3cb74SMauro Carvalho Chehab struct v4l2_standard *p = arg; 17375bc3cb74SMauro Carvalho Chehab v4l2_std_id id = vfd->tvnorms, curr_id = 0; 17385bc3cb74SMauro Carvalho Chehab unsigned int index = p->index, i, j = 0; 17395bc3cb74SMauro Carvalho Chehab const char *descr = ""; 17405bc3cb74SMauro Carvalho Chehab 1741a5338190SHans Verkuil /* Return -ENODATA if the tvnorms for the current input 1742a5338190SHans Verkuil or output is 0, meaning that it doesn't support this API. */ 1743a5338190SHans Verkuil if (id == 0) 1744a5338190SHans Verkuil return -ENODATA; 1745a5338190SHans Verkuil 17465bc3cb74SMauro Carvalho Chehab /* Return norm array in a canonical way */ 17475bc3cb74SMauro Carvalho Chehab for (i = 0; i <= index && id; i++) { 17485bc3cb74SMauro Carvalho Chehab /* last std value in the standards array is 0, so this 17495bc3cb74SMauro Carvalho Chehab while always ends there since (id & 0) == 0. */ 17505bc3cb74SMauro Carvalho Chehab while ((id & standards[j].std) != standards[j].std) 17515bc3cb74SMauro Carvalho Chehab j++; 17525bc3cb74SMauro Carvalho Chehab curr_id = standards[j].std; 17535bc3cb74SMauro Carvalho Chehab descr = standards[j].descr; 17545bc3cb74SMauro Carvalho Chehab j++; 17555bc3cb74SMauro Carvalho Chehab if (curr_id == 0) 17565bc3cb74SMauro Carvalho Chehab break; 17575bc3cb74SMauro Carvalho Chehab if (curr_id != V4L2_STD_PAL && 17585bc3cb74SMauro Carvalho Chehab curr_id != V4L2_STD_SECAM && 17595bc3cb74SMauro Carvalho Chehab curr_id != V4L2_STD_NTSC) 17605bc3cb74SMauro Carvalho Chehab id &= ~curr_id; 17615bc3cb74SMauro Carvalho Chehab } 17625bc3cb74SMauro Carvalho Chehab if (i <= index) 17635bc3cb74SMauro Carvalho Chehab return -EINVAL; 17645bc3cb74SMauro Carvalho Chehab 17655bc3cb74SMauro Carvalho Chehab v4l2_video_std_construct(p, curr_id, descr); 17665bc3cb74SMauro Carvalho Chehab return 0; 17675bc3cb74SMauro Carvalho Chehab } 17685bc3cb74SMauro Carvalho Chehab 17695bc3cb74SMauro Carvalho Chehab static int v4l_s_std(const struct v4l2_ioctl_ops *ops, 17705bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17715bc3cb74SMauro Carvalho Chehab { 17725bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1773314527acSHans Verkuil v4l2_std_id id = *(v4l2_std_id *)arg, norm; 177477fa4e07SShuah Khan int ret; 17755bc3cb74SMauro Carvalho Chehab 177677fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 177777fa4e07SShuah Khan if (ret) 177877fa4e07SShuah Khan return ret; 1779314527acSHans Verkuil norm = id & vfd->tvnorms; 17805bc3cb74SMauro Carvalho Chehab if (vfd->tvnorms && !norm) /* Check if std is supported */ 17815bc3cb74SMauro Carvalho Chehab return -EINVAL; 17825bc3cb74SMauro Carvalho Chehab 17835bc3cb74SMauro Carvalho Chehab /* Calls the specific handler */ 1784ca371575SHans Verkuil return ops->vidioc_s_std(file, fh, norm); 17855bc3cb74SMauro Carvalho Chehab } 17865bc3cb74SMauro Carvalho Chehab 17875bc3cb74SMauro Carvalho Chehab static int v4l_querystd(const struct v4l2_ioctl_ops *ops, 17885bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17895bc3cb74SMauro Carvalho Chehab { 17905bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 17915bc3cb74SMauro Carvalho Chehab v4l2_std_id *p = arg; 179277fa4e07SShuah Khan int ret; 17935bc3cb74SMauro Carvalho Chehab 179477fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 179577fa4e07SShuah Khan if (ret) 179677fa4e07SShuah Khan return ret; 17975bc3cb74SMauro Carvalho Chehab /* 17981a2c6866SHans Verkuil * If no signal is detected, then the driver should return 17991a2c6866SHans Verkuil * V4L2_STD_UNKNOWN. Otherwise it should return tvnorms with 18001a2c6866SHans Verkuil * any standards that do not apply removed. 18011a2c6866SHans Verkuil * 18025bc3cb74SMauro Carvalho Chehab * This means that tuners, audio and video decoders can join 18035bc3cb74SMauro Carvalho Chehab * their efforts to improve the standards detection. 18045bc3cb74SMauro Carvalho Chehab */ 18055bc3cb74SMauro Carvalho Chehab *p = vfd->tvnorms; 18065bc3cb74SMauro Carvalho Chehab return ops->vidioc_querystd(file, fh, arg); 18075bc3cb74SMauro Carvalho Chehab } 18085bc3cb74SMauro Carvalho Chehab 18095bc3cb74SMauro Carvalho Chehab static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, 18105bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18115bc3cb74SMauro Carvalho Chehab { 18125bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 18135bc3cb74SMauro Carvalho Chehab struct v4l2_hw_freq_seek *p = arg; 18145bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 181577fa4e07SShuah Khan int ret; 18165bc3cb74SMauro Carvalho Chehab 181777fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 181877fa4e07SShuah Khan if (ret) 181977fa4e07SShuah Khan return ret; 182084099a28SAntti Palosaari /* s_hw_freq_seek is not supported for SDR for now */ 182184099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 182284099a28SAntti Palosaari return -EINVAL; 182384099a28SAntti Palosaari 18245bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 18255bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 18265bc3cb74SMauro Carvalho Chehab if (p->type != type) 18275bc3cb74SMauro Carvalho Chehab return -EINVAL; 18285bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_hw_freq_seek(file, fh, p); 18295bc3cb74SMauro Carvalho Chehab } 18305bc3cb74SMauro Carvalho Chehab 1831737c097bSHans Verkuil static int v4l_overlay(const struct v4l2_ioctl_ops *ops, 1832737c097bSHans Verkuil struct file *file, void *fh, void *arg) 1833737c097bSHans Verkuil { 1834737c097bSHans Verkuil return ops->vidioc_overlay(file, fh, *(unsigned int *)arg); 1835737c097bSHans Verkuil } 1836737c097bSHans Verkuil 18375bc3cb74SMauro Carvalho Chehab static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, 18385bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18395bc3cb74SMauro Carvalho Chehab { 18405bc3cb74SMauro Carvalho Chehab struct v4l2_requestbuffers *p = arg; 18414b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18425bc3cb74SMauro Carvalho Chehab 18435bc3cb74SMauro Carvalho Chehab if (ret) 18445bc3cb74SMauro Carvalho Chehab return ret; 18455bc3cb74SMauro Carvalho Chehab 18465bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, memory); 18475bc3cb74SMauro Carvalho Chehab 18485bc3cb74SMauro Carvalho Chehab return ops->vidioc_reqbufs(file, fh, p); 18495bc3cb74SMauro Carvalho Chehab } 18505bc3cb74SMauro Carvalho Chehab 18515bc3cb74SMauro Carvalho Chehab static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, 18525bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18535bc3cb74SMauro Carvalho Chehab { 18545bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18554b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18565bc3cb74SMauro Carvalho Chehab 18575bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_querybuf(file, fh, p); 18585bc3cb74SMauro Carvalho Chehab } 18595bc3cb74SMauro Carvalho Chehab 18605bc3cb74SMauro Carvalho Chehab static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, 18615bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18625bc3cb74SMauro Carvalho Chehab { 18635bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18644b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18655bc3cb74SMauro Carvalho Chehab 18665bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_qbuf(file, fh, p); 18675bc3cb74SMauro Carvalho Chehab } 18685bc3cb74SMauro Carvalho Chehab 18695bc3cb74SMauro Carvalho Chehab static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, 18705bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18715bc3cb74SMauro Carvalho Chehab { 18725bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18734b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18745bc3cb74SMauro Carvalho Chehab 18755bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_dqbuf(file, fh, p); 18765bc3cb74SMauro Carvalho Chehab } 18775bc3cb74SMauro Carvalho Chehab 18785bc3cb74SMauro Carvalho Chehab static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, 18795bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18805bc3cb74SMauro Carvalho Chehab { 18815bc3cb74SMauro Carvalho Chehab struct v4l2_create_buffers *create = arg; 18824b20259fSHans Verkuil int ret = check_fmt(file, create->format.type); 18835bc3cb74SMauro Carvalho Chehab 1884d52e2381SLaurent Pinchart if (ret) 1885d52e2381SLaurent Pinchart return ret; 1886d52e2381SLaurent Pinchart 18875d351251SHans Verkuil CLEAR_AFTER_FIELD(create, format); 18885d351251SHans Verkuil 1889d52e2381SLaurent Pinchart v4l_sanitize_format(&create->format); 1890d52e2381SLaurent Pinchart 1891d52e2381SLaurent Pinchart ret = ops->vidioc_create_bufs(file, fh, create); 1892d52e2381SLaurent Pinchart 1893d52e2381SLaurent Pinchart if (create->format.type == V4L2_BUF_TYPE_VIDEO_CAPTURE || 1894d52e2381SLaurent Pinchart create->format.type == V4L2_BUF_TYPE_VIDEO_OUTPUT) 1895d52e2381SLaurent Pinchart create->format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1896d52e2381SLaurent Pinchart 1897d52e2381SLaurent Pinchart return ret; 18985bc3cb74SMauro Carvalho Chehab } 18995bc3cb74SMauro Carvalho Chehab 19005bc3cb74SMauro Carvalho Chehab static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, 19015bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19025bc3cb74SMauro Carvalho Chehab { 19035bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *b = arg; 19044b20259fSHans Verkuil int ret = check_fmt(file, b->type); 19055bc3cb74SMauro Carvalho Chehab 19065bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); 19075bc3cb74SMauro Carvalho Chehab } 19085bc3cb74SMauro Carvalho Chehab 19095bc3cb74SMauro Carvalho Chehab static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, 19105bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19115bc3cb74SMauro Carvalho Chehab { 19125bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 19135bc3cb74SMauro Carvalho Chehab v4l2_std_id std; 19144b20259fSHans Verkuil int ret = check_fmt(file, p->type); 19155bc3cb74SMauro Carvalho Chehab 19165bc3cb74SMauro Carvalho Chehab if (ret) 19175bc3cb74SMauro Carvalho Chehab return ret; 19185bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_parm) 19195bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_parm(file, fh, p); 19205bc3cb74SMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 19215bc3cb74SMauro Carvalho Chehab p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 19225bc3cb74SMauro Carvalho Chehab return -EINVAL; 19235bc3cb74SMauro Carvalho Chehab p->parm.capture.readbuffers = 2; 19245bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_std(file, fh, &std); 19255bc3cb74SMauro Carvalho Chehab if (ret == 0) 1926ca371575SHans Verkuil v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); 19275bc3cb74SMauro Carvalho Chehab return ret; 19285bc3cb74SMauro Carvalho Chehab } 19295bc3cb74SMauro Carvalho Chehab 19305bc3cb74SMauro Carvalho Chehab static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, 19315bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19325bc3cb74SMauro Carvalho Chehab { 19335bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 19344b20259fSHans Verkuil int ret = check_fmt(file, p->type); 19355bc3cb74SMauro Carvalho Chehab 19365bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_s_parm(file, fh, p); 19375bc3cb74SMauro Carvalho Chehab } 19385bc3cb74SMauro Carvalho Chehab 19395bc3cb74SMauro Carvalho Chehab static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops, 19405bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19415bc3cb74SMauro Carvalho Chehab { 19425bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19435bc3cb74SMauro Carvalho Chehab struct v4l2_queryctrl *p = arg; 19445bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19455bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19465bc3cb74SMauro Carvalho Chehab 19475bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 19485bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfh->ctrl_handler, p); 19495bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 19505bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfd->ctrl_handler, p); 19515bc3cb74SMauro Carvalho Chehab if (ops->vidioc_queryctrl) 19525bc3cb74SMauro Carvalho Chehab return ops->vidioc_queryctrl(file, fh, p); 19535bc3cb74SMauro Carvalho Chehab return -ENOTTY; 19545bc3cb74SMauro Carvalho Chehab } 19555bc3cb74SMauro Carvalho Chehab 1956e6bee368SHans Verkuil static int v4l_query_ext_ctrl(const struct v4l2_ioctl_ops *ops, 1957e6bee368SHans Verkuil struct file *file, void *fh, void *arg) 1958e6bee368SHans Verkuil { 1959e6bee368SHans Verkuil struct video_device *vfd = video_devdata(file); 1960e6bee368SHans Verkuil struct v4l2_query_ext_ctrl *p = arg; 1961e6bee368SHans Verkuil struct v4l2_fh *vfh = 1962e6bee368SHans Verkuil test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 1963e6bee368SHans Verkuil 1964e6bee368SHans Verkuil if (vfh && vfh->ctrl_handler) 1965e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfh->ctrl_handler, p); 1966e6bee368SHans Verkuil if (vfd->ctrl_handler) 1967e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfd->ctrl_handler, p); 1968e6bee368SHans Verkuil if (ops->vidioc_query_ext_ctrl) 1969e6bee368SHans Verkuil return ops->vidioc_query_ext_ctrl(file, fh, p); 1970e6bee368SHans Verkuil return -ENOTTY; 1971e6bee368SHans Verkuil } 1972e6bee368SHans Verkuil 19735bc3cb74SMauro Carvalho Chehab static int v4l_querymenu(const struct v4l2_ioctl_ops *ops, 19745bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19755bc3cb74SMauro Carvalho Chehab { 19765bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19775bc3cb74SMauro Carvalho Chehab struct v4l2_querymenu *p = arg; 19785bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19795bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19805bc3cb74SMauro Carvalho Chehab 19815bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 19825bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfh->ctrl_handler, p); 19835bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 19845bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfd->ctrl_handler, p); 19855bc3cb74SMauro Carvalho Chehab if (ops->vidioc_querymenu) 19865bc3cb74SMauro Carvalho Chehab return ops->vidioc_querymenu(file, fh, p); 19875bc3cb74SMauro Carvalho Chehab return -ENOTTY; 19885bc3cb74SMauro Carvalho Chehab } 19895bc3cb74SMauro Carvalho Chehab 19905bc3cb74SMauro Carvalho Chehab static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops, 19915bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19925bc3cb74SMauro Carvalho Chehab { 19935bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19945bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 19955bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19965bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19975bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 19985bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 19995bc3cb74SMauro Carvalho Chehab 20005bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20015bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfh->ctrl_handler, p); 20025bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20035bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfd->ctrl_handler, p); 20045bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ctrl) 20055bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_ctrl(file, fh, p); 20065bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 20075bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20085bc3cb74SMauro Carvalho Chehab 20090f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 20105bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 20115bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 20125bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 20135bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 20145bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) { 20155bc3cb74SMauro Carvalho Chehab int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); 20165bc3cb74SMauro Carvalho Chehab 20175bc3cb74SMauro Carvalho Chehab if (ret == 0) 20185bc3cb74SMauro Carvalho Chehab p->value = ctrl.value; 20195bc3cb74SMauro Carvalho Chehab return ret; 20205bc3cb74SMauro Carvalho Chehab } 20215bc3cb74SMauro Carvalho Chehab return -EINVAL; 20225bc3cb74SMauro Carvalho Chehab } 20235bc3cb74SMauro Carvalho Chehab 20245bc3cb74SMauro Carvalho Chehab static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, 20255bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20265bc3cb74SMauro Carvalho Chehab { 20275bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20285bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 20295bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20305bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20315bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 20325bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 20335bc3cb74SMauro Carvalho Chehab 20345bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20355bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); 20365bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20375bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p); 20385bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ctrl) 20395bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ctrl(file, fh, p); 20405bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 20415bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20425bc3cb74SMauro Carvalho Chehab 20430f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 20445bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 20455bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 20465bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 20475bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 20485bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) 20495bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); 20505bc3cb74SMauro Carvalho Chehab return -EINVAL; 20515bc3cb74SMauro Carvalho Chehab } 20525bc3cb74SMauro Carvalho Chehab 20535bc3cb74SMauro Carvalho Chehab static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20545bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20555bc3cb74SMauro Carvalho Chehab { 20565bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20575bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20585bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20595bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20605bc3cb74SMauro Carvalho Chehab 20615bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 20625bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20635bc3cb74SMauro Carvalho Chehab return v4l2_g_ext_ctrls(vfh->ctrl_handler, p); 20645bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20655bc3cb74SMauro Carvalho Chehab return v4l2_g_ext_ctrls(vfd->ctrl_handler, p); 20665bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 20675bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20685bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : 20695bc3cb74SMauro Carvalho Chehab -EINVAL; 20705bc3cb74SMauro Carvalho Chehab } 20715bc3cb74SMauro Carvalho Chehab 20725bc3cb74SMauro Carvalho Chehab static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20735bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20745bc3cb74SMauro Carvalho Chehab { 20755bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20765bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20775bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20785bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20795bc3cb74SMauro Carvalho Chehab 20805bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 20815bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20825bc3cb74SMauro Carvalho Chehab return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p); 20835bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20845bc3cb74SMauro Carvalho Chehab return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p); 20855bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 20865bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20875bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : 20885bc3cb74SMauro Carvalho Chehab -EINVAL; 20895bc3cb74SMauro Carvalho Chehab } 20905bc3cb74SMauro Carvalho Chehab 20915bc3cb74SMauro Carvalho Chehab static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20925bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20935bc3cb74SMauro Carvalho Chehab { 20945bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20955bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20965bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20975bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20985bc3cb74SMauro Carvalho Chehab 20995bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 21005bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 21015bc3cb74SMauro Carvalho Chehab return v4l2_try_ext_ctrls(vfh->ctrl_handler, p); 21025bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 21035bc3cb74SMauro Carvalho Chehab return v4l2_try_ext_ctrls(vfd->ctrl_handler, p); 21045bc3cb74SMauro Carvalho Chehab if (ops->vidioc_try_ext_ctrls == NULL) 21055bc3cb74SMauro Carvalho Chehab return -ENOTTY; 21065bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : 21075bc3cb74SMauro Carvalho Chehab -EINVAL; 21085bc3cb74SMauro Carvalho Chehab } 21095bc3cb74SMauro Carvalho Chehab 21105bc3cb74SMauro Carvalho Chehab static int v4l_g_crop(const struct v4l2_ioctl_ops *ops, 21115bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21125bc3cb74SMauro Carvalho Chehab { 21135bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 21145bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 21155bc3cb74SMauro Carvalho Chehab .type = p->type, 21165bc3cb74SMauro Carvalho Chehab }; 21175bc3cb74SMauro Carvalho Chehab int ret; 21185bc3cb74SMauro Carvalho Chehab 21195bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_crop) 21205bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_crop(file, fh, p); 21215bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 21225bc3cb74SMauro Carvalho Chehab 21235bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 21245bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21255bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; 21265bc3cb74SMauro Carvalho Chehab else 21275bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_ACTIVE; 21285bc3cb74SMauro Carvalho Chehab 21295bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 21305bc3cb74SMauro Carvalho Chehab 21315bc3cb74SMauro Carvalho Chehab /* copying results to old structure on success */ 21325bc3cb74SMauro Carvalho Chehab if (!ret) 21335bc3cb74SMauro Carvalho Chehab p->c = s.r; 21345bc3cb74SMauro Carvalho Chehab return ret; 21355bc3cb74SMauro Carvalho Chehab } 21365bc3cb74SMauro Carvalho Chehab 21375bc3cb74SMauro Carvalho Chehab static int v4l_s_crop(const struct v4l2_ioctl_ops *ops, 21385bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21395bc3cb74SMauro Carvalho Chehab { 21405bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 21415bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 21425bc3cb74SMauro Carvalho Chehab .type = p->type, 21435bc3cb74SMauro Carvalho Chehab .r = p->c, 21445bc3cb74SMauro Carvalho Chehab }; 21455bc3cb74SMauro Carvalho Chehab 21465bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_crop) 21475bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_crop(file, fh, p); 21485bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 21495bc3cb74SMauro Carvalho Chehab 21505bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 21515bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21525bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; 21535bc3cb74SMauro Carvalho Chehab else 21545bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_ACTIVE; 21555bc3cb74SMauro Carvalho Chehab 21565bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_selection(file, fh, &s); 21575bc3cb74SMauro Carvalho Chehab } 21585bc3cb74SMauro Carvalho Chehab 21595bc3cb74SMauro Carvalho Chehab static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, 21605bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21615bc3cb74SMauro Carvalho Chehab { 21625bc3cb74SMauro Carvalho Chehab struct v4l2_cropcap *p = arg; 21635bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { .type = p->type }; 216495dd7b7eSHans Verkuil int ret = 0; 216595dd7b7eSHans Verkuil 216695dd7b7eSHans Verkuil /* setting trivial pixelaspect */ 216795dd7b7eSHans Verkuil p->pixelaspect.numerator = 1; 216895dd7b7eSHans Verkuil p->pixelaspect.denominator = 1; 216995dd7b7eSHans Verkuil 217095dd7b7eSHans Verkuil /* 217195dd7b7eSHans Verkuil * The determine_valid_ioctls() call already should ensure 217295dd7b7eSHans Verkuil * that this can never happen, but just in case... 217395dd7b7eSHans Verkuil */ 21741ca830b1SHans Verkuil if (WARN_ON(!ops->vidioc_cropcap && !ops->vidioc_g_selection)) 217595dd7b7eSHans Verkuil return -ENOTTY; 217695dd7b7eSHans Verkuil 217795dd7b7eSHans Verkuil if (ops->vidioc_cropcap) 217895dd7b7eSHans Verkuil ret = ops->vidioc_cropcap(file, fh, p); 217995dd7b7eSHans Verkuil 218095dd7b7eSHans Verkuil if (!ops->vidioc_g_selection) 218195dd7b7eSHans Verkuil return ret; 218295dd7b7eSHans Verkuil 218395dd7b7eSHans Verkuil /* 218495dd7b7eSHans Verkuil * Ignore ENOTTY or ENOIOCTLCMD error returns, just use the 218595dd7b7eSHans Verkuil * square pixel aspect ratio in that case. 218695dd7b7eSHans Verkuil */ 218795dd7b7eSHans Verkuil if (ret && ret != -ENOTTY && ret != -ENOIOCTLCMD) 218895dd7b7eSHans Verkuil return ret; 218995dd7b7eSHans Verkuil 219095dd7b7eSHans Verkuil /* Use g_selection() to fill in the bounds and defrect rectangles */ 21915bc3cb74SMauro Carvalho Chehab 21925bc3cb74SMauro Carvalho Chehab /* obtaining bounds */ 21935bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21945bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; 21955bc3cb74SMauro Carvalho Chehab else 21965bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_BOUNDS; 21975bc3cb74SMauro Carvalho Chehab 21985bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 21995bc3cb74SMauro Carvalho Chehab if (ret) 22005bc3cb74SMauro Carvalho Chehab return ret; 22015bc3cb74SMauro Carvalho Chehab p->bounds = s.r; 22025bc3cb74SMauro Carvalho Chehab 22035bc3cb74SMauro Carvalho Chehab /* obtaining defrect */ 22045bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 22055bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; 22065bc3cb74SMauro Carvalho Chehab else 22075bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_DEFAULT; 22085bc3cb74SMauro Carvalho Chehab 22095bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 22105bc3cb74SMauro Carvalho Chehab if (ret) 22115bc3cb74SMauro Carvalho Chehab return ret; 22125bc3cb74SMauro Carvalho Chehab p->defrect = s.r; 22139409945cSHans Verkuil 22145bc3cb74SMauro Carvalho Chehab return 0; 22155bc3cb74SMauro Carvalho Chehab } 22165bc3cb74SMauro Carvalho Chehab 22175bc3cb74SMauro Carvalho Chehab static int v4l_log_status(const struct v4l2_ioctl_ops *ops, 22185bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22195bc3cb74SMauro Carvalho Chehab { 22205bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22215bc3cb74SMauro Carvalho Chehab int ret; 22225bc3cb74SMauro Carvalho Chehab 22235bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 22245bc3cb74SMauro Carvalho Chehab pr_info("%s: ================= START STATUS =================\n", 22255bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 22265bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_log_status(file, fh); 22275bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 22285bc3cb74SMauro Carvalho Chehab pr_info("%s: ================== END STATUS ==================\n", 22295bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 22305bc3cb74SMauro Carvalho Chehab return ret; 22315bc3cb74SMauro Carvalho Chehab } 22325bc3cb74SMauro Carvalho Chehab 22335bc3cb74SMauro Carvalho Chehab static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops, 22345bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22355bc3cb74SMauro Carvalho Chehab { 22365bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 22375bc3cb74SMauro Carvalho Chehab struct v4l2_dbg_register *p = arg; 223879b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 223979b0c640SHans Verkuil struct v4l2_subdev *sd; 224079b0c640SHans Verkuil int idx = 0; 22415bc3cb74SMauro Carvalho Chehab 22425bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 22435bc3cb74SMauro Carvalho Chehab return -EPERM; 22443eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 224579b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 224679b0c640SHans Verkuil return -EINVAL; 22473eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 22483eef2510SHans Verkuil if (p->match.addr == idx++) 224979b0c640SHans Verkuil return v4l2_subdev_call(sd, core, g_register, p); 225079b0c640SHans Verkuil return -EINVAL; 225179b0c640SHans Verkuil } 2252191b79b0SHans Verkuil if (ops->vidioc_g_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2253191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 22545bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_register(file, fh, p); 225579b0c640SHans Verkuil return -EINVAL; 22565bc3cb74SMauro Carvalho Chehab #else 22575bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22585bc3cb74SMauro Carvalho Chehab #endif 22595bc3cb74SMauro Carvalho Chehab } 22605bc3cb74SMauro Carvalho Chehab 22615bc3cb74SMauro Carvalho Chehab static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, 22625bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22635bc3cb74SMauro Carvalho Chehab { 22645bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2265977ba3b1SHans Verkuil const struct v4l2_dbg_register *p = arg; 226679b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 226779b0c640SHans Verkuil struct v4l2_subdev *sd; 226879b0c640SHans Verkuil int idx = 0; 22695bc3cb74SMauro Carvalho Chehab 22705bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 22715bc3cb74SMauro Carvalho Chehab return -EPERM; 22723eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 227379b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 227479b0c640SHans Verkuil return -EINVAL; 22753eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 22763eef2510SHans Verkuil if (p->match.addr == idx++) 227779b0c640SHans Verkuil return v4l2_subdev_call(sd, core, s_register, p); 227879b0c640SHans Verkuil return -EINVAL; 227979b0c640SHans Verkuil } 2280191b79b0SHans Verkuil if (ops->vidioc_s_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2281191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 22825bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_register(file, fh, p); 228379b0c640SHans Verkuil return -EINVAL; 22845bc3cb74SMauro Carvalho Chehab #else 22855bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22865bc3cb74SMauro Carvalho Chehab #endif 22875bc3cb74SMauro Carvalho Chehab } 22885bc3cb74SMauro Carvalho Chehab 228996b03d2aSHans Verkuil static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, 229079b0c640SHans Verkuil struct file *file, void *fh, void *arg) 229179b0c640SHans Verkuil { 2292cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 229379b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 229496b03d2aSHans Verkuil struct v4l2_dbg_chip_info *p = arg; 229579b0c640SHans Verkuil struct v4l2_subdev *sd; 229679b0c640SHans Verkuil int idx = 0; 229779b0c640SHans Verkuil 229879b0c640SHans Verkuil switch (p->match.type) { 229979b0c640SHans Verkuil case V4L2_CHIP_MATCH_BRIDGE: 230079b0c640SHans Verkuil if (ops->vidioc_s_register) 230179b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 230279b0c640SHans Verkuil if (ops->vidioc_g_register) 230379b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 230479b0c640SHans Verkuil strlcpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); 230596b03d2aSHans Verkuil if (ops->vidioc_g_chip_info) 230696b03d2aSHans Verkuil return ops->vidioc_g_chip_info(file, fh, arg); 23070f0fe4b9SHans Verkuil if (p->match.addr) 23080f0fe4b9SHans Verkuil return -EINVAL; 230979b0c640SHans Verkuil return 0; 231079b0c640SHans Verkuil 23113eef2510SHans Verkuil case V4L2_CHIP_MATCH_SUBDEV: 231279b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 231379b0c640SHans Verkuil break; 231479b0c640SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) { 23153eef2510SHans Verkuil if (p->match.addr != idx++) 23163eef2510SHans Verkuil continue; 231779b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->s_register) 231879b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 231979b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->g_register) 232079b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 232179b0c640SHans Verkuil strlcpy(p->name, sd->name, sizeof(p->name)); 232279b0c640SHans Verkuil return 0; 232379b0c640SHans Verkuil } 232479b0c640SHans Verkuil break; 232579b0c640SHans Verkuil } 232679b0c640SHans Verkuil return -EINVAL; 2327cd634f1bSHans Verkuil #else 2328cd634f1bSHans Verkuil return -ENOTTY; 2329cd634f1bSHans Verkuil #endif 233079b0c640SHans Verkuil } 233179b0c640SHans Verkuil 23325bc3cb74SMauro Carvalho Chehab static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, 23335bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23345bc3cb74SMauro Carvalho Chehab { 23355bc3cb74SMauro Carvalho Chehab return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK); 23365bc3cb74SMauro Carvalho Chehab } 23375bc3cb74SMauro Carvalho Chehab 23385bc3cb74SMauro Carvalho Chehab static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops, 23395bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23405bc3cb74SMauro Carvalho Chehab { 23415bc3cb74SMauro Carvalho Chehab return ops->vidioc_subscribe_event(fh, arg); 23425bc3cb74SMauro Carvalho Chehab } 23435bc3cb74SMauro Carvalho Chehab 23445bc3cb74SMauro Carvalho Chehab static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops, 23455bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23465bc3cb74SMauro Carvalho Chehab { 23475bc3cb74SMauro Carvalho Chehab return ops->vidioc_unsubscribe_event(fh, arg); 23485bc3cb74SMauro Carvalho Chehab } 23495bc3cb74SMauro Carvalho Chehab 23505bc3cb74SMauro Carvalho Chehab static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops, 23515bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23525bc3cb74SMauro Carvalho Chehab { 23535bc3cb74SMauro Carvalho Chehab struct v4l2_sliced_vbi_cap *p = arg; 23544b20259fSHans Verkuil int ret = check_fmt(file, p->type); 23554b20259fSHans Verkuil 23564b20259fSHans Verkuil if (ret) 23574b20259fSHans Verkuil return ret; 23585bc3cb74SMauro Carvalho Chehab 23595bc3cb74SMauro Carvalho Chehab /* Clear up to type, everything after type is zeroed already */ 23605bc3cb74SMauro Carvalho Chehab memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); 23615bc3cb74SMauro Carvalho Chehab 23625bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_sliced_vbi_cap(file, fh, p); 23635bc3cb74SMauro Carvalho Chehab } 23645bc3cb74SMauro Carvalho Chehab 23655bc3cb74SMauro Carvalho Chehab static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, 23665bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23675bc3cb74SMauro Carvalho Chehab { 23685bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 23695bc3cb74SMauro Carvalho Chehab struct v4l2_frequency_band *p = arg; 23705bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 23715bc3cb74SMauro Carvalho Chehab int err; 23725bc3cb74SMauro Carvalho Chehab 237384099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 2374f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 237584099a28SAntti Palosaari return -EINVAL; 237684099a28SAntti Palosaari type = p->type; 237784099a28SAntti Palosaari } else { 23785bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 23795bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 23805bc3cb74SMauro Carvalho Chehab if (type != p->type) 23815bc3cb74SMauro Carvalho Chehab return -EINVAL; 238284099a28SAntti Palosaari } 2383a7f404afSHans Verkuil if (ops->vidioc_enum_freq_bands) { 2384a7f404afSHans Verkuil err = ops->vidioc_enum_freq_bands(file, fh, p); 2385a7f404afSHans Verkuil if (err != -ENOTTY) 2386a7f404afSHans Verkuil return err; 2387a7f404afSHans Verkuil } 238873f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_TUNER)) { 23895bc3cb74SMauro Carvalho Chehab struct v4l2_tuner t = { 23905bc3cb74SMauro Carvalho Chehab .index = p->tuner, 23915bc3cb74SMauro Carvalho Chehab .type = type, 23925bc3cb74SMauro Carvalho Chehab }; 23935bc3cb74SMauro Carvalho Chehab 239479e8c7beSMauro Carvalho Chehab if (p->index) 239579e8c7beSMauro Carvalho Chehab return -EINVAL; 23965bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, &t); 23975bc3cb74SMauro Carvalho Chehab if (err) 23985bc3cb74SMauro Carvalho Chehab return err; 23995bc3cb74SMauro Carvalho Chehab p->capability = t.capability | V4L2_TUNER_CAP_FREQ_BANDS; 24005bc3cb74SMauro Carvalho Chehab p->rangelow = t.rangelow; 24015bc3cb74SMauro Carvalho Chehab p->rangehigh = t.rangehigh; 24025bc3cb74SMauro Carvalho Chehab p->modulation = (type == V4L2_TUNER_RADIO) ? 24035bc3cb74SMauro Carvalho Chehab V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; 24045bc3cb74SMauro Carvalho Chehab return 0; 24055bc3cb74SMauro Carvalho Chehab } 240673f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_MODULATOR)) { 24075bc3cb74SMauro Carvalho Chehab struct v4l2_modulator m = { 24085bc3cb74SMauro Carvalho Chehab .index = p->tuner, 24095bc3cb74SMauro Carvalho Chehab }; 24105bc3cb74SMauro Carvalho Chehab 24115bc3cb74SMauro Carvalho Chehab if (type != V4L2_TUNER_RADIO) 24125bc3cb74SMauro Carvalho Chehab return -EINVAL; 241379e8c7beSMauro Carvalho Chehab if (p->index) 241479e8c7beSMauro Carvalho Chehab return -EINVAL; 24155bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, &m); 24165bc3cb74SMauro Carvalho Chehab if (err) 24175bc3cb74SMauro Carvalho Chehab return err; 24185bc3cb74SMauro Carvalho Chehab p->capability = m.capability | V4L2_TUNER_CAP_FREQ_BANDS; 24195bc3cb74SMauro Carvalho Chehab p->rangelow = m.rangelow; 24205bc3cb74SMauro Carvalho Chehab p->rangehigh = m.rangehigh; 24215bc3cb74SMauro Carvalho Chehab p->modulation = (type == V4L2_TUNER_RADIO) ? 24225bc3cb74SMauro Carvalho Chehab V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; 24235bc3cb74SMauro Carvalho Chehab return 0; 24245bc3cb74SMauro Carvalho Chehab } 24255bc3cb74SMauro Carvalho Chehab return -ENOTTY; 24265bc3cb74SMauro Carvalho Chehab } 24275bc3cb74SMauro Carvalho Chehab 24285bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info { 24295bc3cb74SMauro Carvalho Chehab unsigned int ioctl; 24305bc3cb74SMauro Carvalho Chehab u32 flags; 24315bc3cb74SMauro Carvalho Chehab const char * const name; 24325bc3cb74SMauro Carvalho Chehab union { 24335bc3cb74SMauro Carvalho Chehab u32 offset; 24345bc3cb74SMauro Carvalho Chehab int (*func)(const struct v4l2_ioctl_ops *ops, 24355bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *p); 24365bc3cb74SMauro Carvalho Chehab } u; 24375bc3cb74SMauro Carvalho Chehab void (*debug)(const void *arg, bool write_only); 24385bc3cb74SMauro Carvalho Chehab }; 24395bc3cb74SMauro Carvalho Chehab 24405bc3cb74SMauro Carvalho Chehab /* This control needs a priority check */ 24415bc3cb74SMauro Carvalho Chehab #define INFO_FL_PRIO (1 << 0) 24425bc3cb74SMauro Carvalho Chehab /* This control can be valid if the filehandle passes a control handler. */ 24435bc3cb74SMauro Carvalho Chehab #define INFO_FL_CTRL (1 << 1) 24445bc3cb74SMauro Carvalho Chehab /* This is a standard ioctl, no need for special code */ 24455bc3cb74SMauro Carvalho Chehab #define INFO_FL_STD (1 << 2) 24465bc3cb74SMauro Carvalho Chehab /* This is ioctl has its own function */ 24475bc3cb74SMauro Carvalho Chehab #define INFO_FL_FUNC (1 << 3) 24485bc3cb74SMauro Carvalho Chehab /* Queuing ioctl */ 24495bc3cb74SMauro Carvalho Chehab #define INFO_FL_QUEUE (1 << 4) 24505bc3cb74SMauro Carvalho Chehab /* Zero struct from after the field to the end */ 24515bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR(v4l2_struct, field) \ 24525bc3cb74SMauro Carvalho Chehab ((offsetof(struct v4l2_struct, field) + \ 24535bc3cb74SMauro Carvalho Chehab sizeof(((struct v4l2_struct *)0)->field)) << 16) 24545bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) 24555bc3cb74SMauro Carvalho Chehab 24565bc3cb74SMauro Carvalho Chehab #define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \ 24575bc3cb74SMauro Carvalho Chehab [_IOC_NR(_ioctl)] = { \ 24585bc3cb74SMauro Carvalho Chehab .ioctl = _ioctl, \ 24595bc3cb74SMauro Carvalho Chehab .flags = _flags | INFO_FL_STD, \ 24605bc3cb74SMauro Carvalho Chehab .name = #_ioctl, \ 24615bc3cb74SMauro Carvalho Chehab .u.offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \ 24625bc3cb74SMauro Carvalho Chehab .debug = _debug, \ 24635bc3cb74SMauro Carvalho Chehab } 24645bc3cb74SMauro Carvalho Chehab 24655bc3cb74SMauro Carvalho Chehab #define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \ 24665bc3cb74SMauro Carvalho Chehab [_IOC_NR(_ioctl)] = { \ 24675bc3cb74SMauro Carvalho Chehab .ioctl = _ioctl, \ 24685bc3cb74SMauro Carvalho Chehab .flags = _flags | INFO_FL_FUNC, \ 24695bc3cb74SMauro Carvalho Chehab .name = #_ioctl, \ 24705bc3cb74SMauro Carvalho Chehab .u.func = _func, \ 24715bc3cb74SMauro Carvalho Chehab .debug = _debug, \ 24725bc3cb74SMauro Carvalho Chehab } 24735bc3cb74SMauro Carvalho Chehab 24745bc3cb74SMauro Carvalho Chehab static struct v4l2_ioctl_info v4l2_ioctls[] = { 24755bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), 24765bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)), 2477e5ce558aSHans Verkuil IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, 0), 24785bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), 24795bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), 24805bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), 24815bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), 24825bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), 2483737c097bSHans Verkuil IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), 24845bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), 2485b799d09aSTomasz Stanislawski IOCTL_INFO_STD(VIDIOC_EXPBUF, vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), 24865bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), 24875bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 24885bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 24895bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), 24905bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), 2491ca371575SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_STD, vidioc_g_std, v4l_print_std, 0), 24925bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), 24935bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), 24945bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), 24955bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)), 24965bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), 24975bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), 24985bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), 24995bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), 25005bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), 25015bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), 25025bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), 25035bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0), 25045bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), 2505f9402a94SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_EDID, vidioc_g_edid, v4l_print_edid, 0), 2506f9402a94SHans Verkuil IOCTL_INFO_STD(VIDIOC_S_EDID, vidioc_s_edid, v4l_print_edid, INFO_FL_PRIO), 25075bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0), 25085bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), 25095bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), 25105bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), 25115bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), 25125bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), 25134124a3c4SAntti Palosaari IOCTL_INFO_FNC(VIDIOC_S_MODULATOR, v4l_s_modulator, v4l_print_modulator, INFO_FL_PRIO), 25145bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), 25155bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), 25165bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), 25175bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), 25185bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), 2519865c4642SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), 2520865c4642SHans Verkuil IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), 25215bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), 25225bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), 25235bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), 25245bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), 25255bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), 25265bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), 25275bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), 25285bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), 25295bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)), 25305bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0), 25315bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 25325bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), 25335bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 25345bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), 25355bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), 25365bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0), 25375bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENCODER_CMD, vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), 25385bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), 25395bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), 25405bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), 25415bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), 25425bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), 25435bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), 25445bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO), 25455bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), 25465bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), 25475bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), 25485bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), 25495bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), 25505bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), 25515bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, 0), 25525bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0), 25535bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), 25545bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), 255596b03d2aSHans Verkuil IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chip_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), 2556e6bee368SHans Verkuil IOCTL_INFO_FNC(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext_ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), 25575bc3cb74SMauro Carvalho Chehab }; 25585bc3cb74SMauro Carvalho Chehab #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) 25595bc3cb74SMauro Carvalho Chehab 25605bc3cb74SMauro Carvalho Chehab bool v4l2_is_known_ioctl(unsigned int cmd) 25615bc3cb74SMauro Carvalho Chehab { 25625bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 25635bc3cb74SMauro Carvalho Chehab return false; 25645bc3cb74SMauro Carvalho Chehab return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd; 25655bc3cb74SMauro Carvalho Chehab } 25665bc3cb74SMauro Carvalho Chehab 25675bc3cb74SMauro Carvalho Chehab struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd) 25685bc3cb74SMauro Carvalho Chehab { 25695bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 25705bc3cb74SMauro Carvalho Chehab return vdev->lock; 25715bc3cb74SMauro Carvalho Chehab if (test_bit(_IOC_NR(cmd), vdev->disable_locking)) 25725bc3cb74SMauro Carvalho Chehab return NULL; 25735bc3cb74SMauro Carvalho Chehab if (vdev->queue && vdev->queue->lock && 25745bc3cb74SMauro Carvalho Chehab (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) 25755bc3cb74SMauro Carvalho Chehab return vdev->queue->lock; 25765bc3cb74SMauro Carvalho Chehab return vdev->lock; 25775bc3cb74SMauro Carvalho Chehab } 25785bc3cb74SMauro Carvalho Chehab 25795bc3cb74SMauro Carvalho Chehab /* Common ioctl debug function. This function can be used by 25805bc3cb74SMauro Carvalho Chehab external ioctl messages as well as internal V4L ioctl */ 25815bc3cb74SMauro Carvalho Chehab void v4l_printk_ioctl(const char *prefix, unsigned int cmd) 25825bc3cb74SMauro Carvalho Chehab { 25835bc3cb74SMauro Carvalho Chehab const char *dir, *type; 25845bc3cb74SMauro Carvalho Chehab 25855bc3cb74SMauro Carvalho Chehab if (prefix) 25865bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "%s: ", prefix); 25875bc3cb74SMauro Carvalho Chehab 25885bc3cb74SMauro Carvalho Chehab switch (_IOC_TYPE(cmd)) { 25895bc3cb74SMauro Carvalho Chehab case 'd': 25905bc3cb74SMauro Carvalho Chehab type = "v4l2_int"; 25915bc3cb74SMauro Carvalho Chehab break; 25925bc3cb74SMauro Carvalho Chehab case 'V': 25935bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) { 25945bc3cb74SMauro Carvalho Chehab type = "v4l2"; 25955bc3cb74SMauro Carvalho Chehab break; 25965bc3cb74SMauro Carvalho Chehab } 25975bc3cb74SMauro Carvalho Chehab pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name); 25985bc3cb74SMauro Carvalho Chehab return; 25995bc3cb74SMauro Carvalho Chehab default: 26005bc3cb74SMauro Carvalho Chehab type = "unknown"; 26015bc3cb74SMauro Carvalho Chehab break; 26025bc3cb74SMauro Carvalho Chehab } 26035bc3cb74SMauro Carvalho Chehab 26045bc3cb74SMauro Carvalho Chehab switch (_IOC_DIR(cmd)) { 26055bc3cb74SMauro Carvalho Chehab case _IOC_NONE: dir = "--"; break; 26065bc3cb74SMauro Carvalho Chehab case _IOC_READ: dir = "r-"; break; 26075bc3cb74SMauro Carvalho Chehab case _IOC_WRITE: dir = "-w"; break; 26085bc3cb74SMauro Carvalho Chehab case _IOC_READ | _IOC_WRITE: dir = "rw"; break; 26095bc3cb74SMauro Carvalho Chehab default: dir = "*ERR*"; break; 26105bc3cb74SMauro Carvalho Chehab } 26115bc3cb74SMauro Carvalho Chehab pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)", 26125bc3cb74SMauro Carvalho Chehab type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); 26135bc3cb74SMauro Carvalho Chehab } 26145bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l_printk_ioctl); 26155bc3cb74SMauro Carvalho Chehab 26165bc3cb74SMauro Carvalho Chehab static long __video_do_ioctl(struct file *file, 26175bc3cb74SMauro Carvalho Chehab unsigned int cmd, void *arg) 26185bc3cb74SMauro Carvalho Chehab { 26195bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 26205bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; 26215bc3cb74SMauro Carvalho Chehab bool write_only = false; 26225bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info default_info; 26235bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_info *info; 26245bc3cb74SMauro Carvalho Chehab void *fh = file->private_data; 26255bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = NULL; 262617028cdbSHans Verkuil int dev_debug = vfd->dev_debug; 26275bc3cb74SMauro Carvalho Chehab long ret = -ENOTTY; 26285bc3cb74SMauro Carvalho Chehab 26295bc3cb74SMauro Carvalho Chehab if (ops == NULL) { 26305bc3cb74SMauro Carvalho Chehab pr_warn("%s: has no ioctl_ops.\n", 26315bc3cb74SMauro Carvalho Chehab video_device_node_name(vfd)); 26325bc3cb74SMauro Carvalho Chehab return ret; 26335bc3cb74SMauro Carvalho Chehab } 26345bc3cb74SMauro Carvalho Chehab 2635b7284bb0SRamakrishnan Muthukrishnan if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 26365bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 26375bc3cb74SMauro Carvalho Chehab 26385bc3cb74SMauro Carvalho Chehab if (v4l2_is_known_ioctl(cmd)) { 26395bc3cb74SMauro Carvalho Chehab info = &v4l2_ioctls[_IOC_NR(cmd)]; 26405bc3cb74SMauro Carvalho Chehab 26415bc3cb74SMauro Carvalho Chehab if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) && 26425bc3cb74SMauro Carvalho Chehab !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler)) 26435bc3cb74SMauro Carvalho Chehab goto done; 26445bc3cb74SMauro Carvalho Chehab 2645b7284bb0SRamakrishnan Muthukrishnan if (vfh && (info->flags & INFO_FL_PRIO)) { 26465bc3cb74SMauro Carvalho Chehab ret = v4l2_prio_check(vfd->prio, vfh->prio); 26475bc3cb74SMauro Carvalho Chehab if (ret) 26485bc3cb74SMauro Carvalho Chehab goto done; 26495bc3cb74SMauro Carvalho Chehab } 26505bc3cb74SMauro Carvalho Chehab } else { 26515bc3cb74SMauro Carvalho Chehab default_info.ioctl = cmd; 26525bc3cb74SMauro Carvalho Chehab default_info.flags = 0; 26535bc3cb74SMauro Carvalho Chehab default_info.debug = v4l_print_default; 26545bc3cb74SMauro Carvalho Chehab info = &default_info; 26555bc3cb74SMauro Carvalho Chehab } 26565bc3cb74SMauro Carvalho Chehab 26575bc3cb74SMauro Carvalho Chehab write_only = _IOC_DIR(cmd) == _IOC_WRITE; 26585bc3cb74SMauro Carvalho Chehab if (info->flags & INFO_FL_STD) { 26595bc3cb74SMauro Carvalho Chehab typedef int (*vidioc_op)(struct file *file, void *fh, void *p); 26605bc3cb74SMauro Carvalho Chehab const void *p = vfd->ioctl_ops; 26615bc3cb74SMauro Carvalho Chehab const vidioc_op *vidioc = p + info->u.offset; 26625bc3cb74SMauro Carvalho Chehab 26635bc3cb74SMauro Carvalho Chehab ret = (*vidioc)(file, fh, arg); 26645bc3cb74SMauro Carvalho Chehab } else if (info->flags & INFO_FL_FUNC) { 26655bc3cb74SMauro Carvalho Chehab ret = info->u.func(ops, file, fh, arg); 26665bc3cb74SMauro Carvalho Chehab } else if (!ops->vidioc_default) { 26675bc3cb74SMauro Carvalho Chehab ret = -ENOTTY; 26685bc3cb74SMauro Carvalho Chehab } else { 26695bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_default(file, fh, 2670b7284bb0SRamakrishnan Muthukrishnan vfh ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0, 26715bc3cb74SMauro Carvalho Chehab cmd, arg); 26725bc3cb74SMauro Carvalho Chehab } 26735bc3cb74SMauro Carvalho Chehab 26745bc3cb74SMauro Carvalho Chehab done: 267517028cdbSHans Verkuil if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) { 267617028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) && 267717028cdbSHans Verkuil (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) 267817028cdbSHans Verkuil return ret; 267917028cdbSHans Verkuil 26805bc3cb74SMauro Carvalho Chehab v4l_printk_ioctl(video_device_node_name(vfd), cmd); 26815bc3cb74SMauro Carvalho Chehab if (ret < 0) 2682505d04bdSHans Verkuil pr_cont(": error %ld", ret); 268317028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_IOCTL_ARG)) 26845bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 26855bc3cb74SMauro Carvalho Chehab else if (_IOC_DIR(cmd) == _IOC_NONE) 26865bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 26875bc3cb74SMauro Carvalho Chehab else { 26885bc3cb74SMauro Carvalho Chehab pr_cont(": "); 26895bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 26905bc3cb74SMauro Carvalho Chehab } 26915bc3cb74SMauro Carvalho Chehab } 26925bc3cb74SMauro Carvalho Chehab 26935bc3cb74SMauro Carvalho Chehab return ret; 26945bc3cb74SMauro Carvalho Chehab } 26955bc3cb74SMauro Carvalho Chehab 26965bc3cb74SMauro Carvalho Chehab static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, 2697ba2d35c1SHans Verkuil void __user **user_ptr, void ***kernel_ptr) 26985bc3cb74SMauro Carvalho Chehab { 26995bc3cb74SMauro Carvalho Chehab int ret = 0; 27005bc3cb74SMauro Carvalho Chehab 27015bc3cb74SMauro Carvalho Chehab switch (cmd) { 270296b1a702SHans Verkuil case VIDIOC_PREPARE_BUF: 27035bc3cb74SMauro Carvalho Chehab case VIDIOC_QUERYBUF: 27045bc3cb74SMauro Carvalho Chehab case VIDIOC_QBUF: 27055bc3cb74SMauro Carvalho Chehab case VIDIOC_DQBUF: { 27065bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *buf = parg; 27075bc3cb74SMauro Carvalho Chehab 27085bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { 27095bc3cb74SMauro Carvalho Chehab if (buf->length > VIDEO_MAX_PLANES) { 27105bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 27115bc3cb74SMauro Carvalho Chehab break; 27125bc3cb74SMauro Carvalho Chehab } 27135bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)buf->m.planes; 2714ba2d35c1SHans Verkuil *kernel_ptr = (void **)&buf->m.planes; 27155bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_plane) * buf->length; 27165bc3cb74SMauro Carvalho Chehab ret = 1; 27175bc3cb74SMauro Carvalho Chehab } 27185bc3cb74SMauro Carvalho Chehab break; 27195bc3cb74SMauro Carvalho Chehab } 27205bc3cb74SMauro Carvalho Chehab 2721dd519bb3SHans Verkuil case VIDIOC_G_EDID: 2722dd519bb3SHans Verkuil case VIDIOC_S_EDID: { 2723dd519bb3SHans Verkuil struct v4l2_edid *edid = parg; 2724ed45ce2cSHans Verkuil 2725ed45ce2cSHans Verkuil if (edid->blocks) { 27261b8b10ccSHans Verkuil if (edid->blocks > 256) { 27271b8b10ccSHans Verkuil ret = -EINVAL; 27281b8b10ccSHans Verkuil break; 27291b8b10ccSHans Verkuil } 2730ed45ce2cSHans Verkuil *user_ptr = (void __user *)edid->edid; 2731ba2d35c1SHans Verkuil *kernel_ptr = (void **)&edid->edid; 2732ed45ce2cSHans Verkuil *array_size = edid->blocks * 128; 2733ed45ce2cSHans Verkuil ret = 1; 2734ed45ce2cSHans Verkuil } 2735ed45ce2cSHans Verkuil break; 2736ed45ce2cSHans Verkuil } 2737ed45ce2cSHans Verkuil 27385bc3cb74SMauro Carvalho Chehab case VIDIOC_S_EXT_CTRLS: 27395bc3cb74SMauro Carvalho Chehab case VIDIOC_G_EXT_CTRLS: 27405bc3cb74SMauro Carvalho Chehab case VIDIOC_TRY_EXT_CTRLS: { 27415bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *ctrls = parg; 27425bc3cb74SMauro Carvalho Chehab 27435bc3cb74SMauro Carvalho Chehab if (ctrls->count != 0) { 27445bc3cb74SMauro Carvalho Chehab if (ctrls->count > V4L2_CID_MAX_CTRLS) { 27455bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 27465bc3cb74SMauro Carvalho Chehab break; 27475bc3cb74SMauro Carvalho Chehab } 27485bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)ctrls->controls; 2749ba2d35c1SHans Verkuil *kernel_ptr = (void **)&ctrls->controls; 27505bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_ext_control) 27515bc3cb74SMauro Carvalho Chehab * ctrls->count; 27525bc3cb74SMauro Carvalho Chehab ret = 1; 27535bc3cb74SMauro Carvalho Chehab } 27545bc3cb74SMauro Carvalho Chehab break; 27555bc3cb74SMauro Carvalho Chehab } 27565bc3cb74SMauro Carvalho Chehab } 27575bc3cb74SMauro Carvalho Chehab 27585bc3cb74SMauro Carvalho Chehab return ret; 27595bc3cb74SMauro Carvalho Chehab } 27605bc3cb74SMauro Carvalho Chehab 27615bc3cb74SMauro Carvalho Chehab long 27625bc3cb74SMauro Carvalho Chehab video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, 27635bc3cb74SMauro Carvalho Chehab v4l2_kioctl func) 27645bc3cb74SMauro Carvalho Chehab { 27655bc3cb74SMauro Carvalho Chehab char sbuf[128]; 27665bc3cb74SMauro Carvalho Chehab void *mbuf = NULL; 27675bc3cb74SMauro Carvalho Chehab void *parg = (void *)arg; 27685bc3cb74SMauro Carvalho Chehab long err = -EINVAL; 27695bc3cb74SMauro Carvalho Chehab bool has_array_args; 27705bc3cb74SMauro Carvalho Chehab size_t array_size = 0; 27715bc3cb74SMauro Carvalho Chehab void __user *user_ptr = NULL; 27725bc3cb74SMauro Carvalho Chehab void **kernel_ptr = NULL; 27735bc3cb74SMauro Carvalho Chehab 27745bc3cb74SMauro Carvalho Chehab /* Copy arguments into temp kernel buffer */ 27755bc3cb74SMauro Carvalho Chehab if (_IOC_DIR(cmd) != _IOC_NONE) { 27765bc3cb74SMauro Carvalho Chehab if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { 27775bc3cb74SMauro Carvalho Chehab parg = sbuf; 27785bc3cb74SMauro Carvalho Chehab } else { 27795bc3cb74SMauro Carvalho Chehab /* too big to allocate from stack */ 27805bc3cb74SMauro Carvalho Chehab mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); 27815bc3cb74SMauro Carvalho Chehab if (NULL == mbuf) 27825bc3cb74SMauro Carvalho Chehab return -ENOMEM; 27835bc3cb74SMauro Carvalho Chehab parg = mbuf; 27845bc3cb74SMauro Carvalho Chehab } 27855bc3cb74SMauro Carvalho Chehab 27865bc3cb74SMauro Carvalho Chehab err = -EFAULT; 27875bc3cb74SMauro Carvalho Chehab if (_IOC_DIR(cmd) & _IOC_WRITE) { 27885bc3cb74SMauro Carvalho Chehab unsigned int n = _IOC_SIZE(cmd); 27895bc3cb74SMauro Carvalho Chehab 27905bc3cb74SMauro Carvalho Chehab /* 27915bc3cb74SMauro Carvalho Chehab * In some cases, only a few fields are used as input, 27925bc3cb74SMauro Carvalho Chehab * i.e. when the app sets "index" and then the driver 27935bc3cb74SMauro Carvalho Chehab * fills in the rest of the structure for the thing 27945bc3cb74SMauro Carvalho Chehab * with that index. We only need to copy up the first 27955bc3cb74SMauro Carvalho Chehab * non-input field. 27965bc3cb74SMauro Carvalho Chehab */ 27975bc3cb74SMauro Carvalho Chehab if (v4l2_is_known_ioctl(cmd)) { 27985bc3cb74SMauro Carvalho Chehab u32 flags = v4l2_ioctls[_IOC_NR(cmd)].flags; 27995bc3cb74SMauro Carvalho Chehab if (flags & INFO_FL_CLEAR_MASK) 28005bc3cb74SMauro Carvalho Chehab n = (flags & INFO_FL_CLEAR_MASK) >> 16; 28015bc3cb74SMauro Carvalho Chehab } 28025bc3cb74SMauro Carvalho Chehab 28035bc3cb74SMauro Carvalho Chehab if (copy_from_user(parg, (void __user *)arg, n)) 28045bc3cb74SMauro Carvalho Chehab goto out; 28055bc3cb74SMauro Carvalho Chehab 28065bc3cb74SMauro Carvalho Chehab /* zero out anything we don't copy from userspace */ 28075bc3cb74SMauro Carvalho Chehab if (n < _IOC_SIZE(cmd)) 28085bc3cb74SMauro Carvalho Chehab memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); 28095bc3cb74SMauro Carvalho Chehab } else { 28105bc3cb74SMauro Carvalho Chehab /* read-only ioctl */ 28115bc3cb74SMauro Carvalho Chehab memset(parg, 0, _IOC_SIZE(cmd)); 28125bc3cb74SMauro Carvalho Chehab } 28135bc3cb74SMauro Carvalho Chehab } 28145bc3cb74SMauro Carvalho Chehab 28155bc3cb74SMauro Carvalho Chehab err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); 28165bc3cb74SMauro Carvalho Chehab if (err < 0) 28175bc3cb74SMauro Carvalho Chehab goto out; 28185bc3cb74SMauro Carvalho Chehab has_array_args = err; 28195bc3cb74SMauro Carvalho Chehab 28205bc3cb74SMauro Carvalho Chehab if (has_array_args) { 28215bc3cb74SMauro Carvalho Chehab /* 28225bc3cb74SMauro Carvalho Chehab * When adding new types of array args, make sure that the 28235bc3cb74SMauro Carvalho Chehab * parent argument to ioctl (which contains the pointer to the 28245bc3cb74SMauro Carvalho Chehab * array) fits into sbuf (so that mbuf will still remain 28255bc3cb74SMauro Carvalho Chehab * unused up to here). 28265bc3cb74SMauro Carvalho Chehab */ 28275bc3cb74SMauro Carvalho Chehab mbuf = kmalloc(array_size, GFP_KERNEL); 28285bc3cb74SMauro Carvalho Chehab err = -ENOMEM; 28295bc3cb74SMauro Carvalho Chehab if (NULL == mbuf) 28305bc3cb74SMauro Carvalho Chehab goto out_array_args; 28315bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28325bc3cb74SMauro Carvalho Chehab if (copy_from_user(mbuf, user_ptr, array_size)) 28335bc3cb74SMauro Carvalho Chehab goto out_array_args; 28345bc3cb74SMauro Carvalho Chehab *kernel_ptr = mbuf; 28355bc3cb74SMauro Carvalho Chehab } 28365bc3cb74SMauro Carvalho Chehab 28375bc3cb74SMauro Carvalho Chehab /* Handles IOCTL */ 28385bc3cb74SMauro Carvalho Chehab err = func(file, cmd, parg); 28395bc3cb74SMauro Carvalho Chehab if (err == -ENOIOCTLCMD) 28405bc3cb74SMauro Carvalho Chehab err = -ENOTTY; 2841aa32f4c0SHans Verkuil if (err == 0) { 2842aa32f4c0SHans Verkuil if (cmd == VIDIOC_DQBUF) 2843aa32f4c0SHans Verkuil trace_v4l2_dqbuf(video_devdata(file)->minor, parg); 2844aa32f4c0SHans Verkuil else if (cmd == VIDIOC_QBUF) 2845aa32f4c0SHans Verkuil trace_v4l2_qbuf(video_devdata(file)->minor, parg); 2846aa32f4c0SHans Verkuil } 28475bc3cb74SMauro Carvalho Chehab 28485bc3cb74SMauro Carvalho Chehab if (has_array_args) { 2849ba2d35c1SHans Verkuil *kernel_ptr = (void __force *)user_ptr; 28505bc3cb74SMauro Carvalho Chehab if (copy_to_user(user_ptr, mbuf, array_size)) 28515bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28525bc3cb74SMauro Carvalho Chehab goto out_array_args; 28535bc3cb74SMauro Carvalho Chehab } 28545bc3cb74SMauro Carvalho Chehab /* VIDIOC_QUERY_DV_TIMINGS can return an error, but still have valid 28555bc3cb74SMauro Carvalho Chehab results that must be returned. */ 28565bc3cb74SMauro Carvalho Chehab if (err < 0 && cmd != VIDIOC_QUERY_DV_TIMINGS) 28575bc3cb74SMauro Carvalho Chehab goto out; 28585bc3cb74SMauro Carvalho Chehab 28595bc3cb74SMauro Carvalho Chehab out_array_args: 28605bc3cb74SMauro Carvalho Chehab /* Copy results into user buffer */ 28615bc3cb74SMauro Carvalho Chehab switch (_IOC_DIR(cmd)) { 28625bc3cb74SMauro Carvalho Chehab case _IOC_READ: 28635bc3cb74SMauro Carvalho Chehab case (_IOC_WRITE | _IOC_READ): 28645bc3cb74SMauro Carvalho Chehab if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) 28655bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28665bc3cb74SMauro Carvalho Chehab break; 28675bc3cb74SMauro Carvalho Chehab } 28685bc3cb74SMauro Carvalho Chehab 28695bc3cb74SMauro Carvalho Chehab out: 28705bc3cb74SMauro Carvalho Chehab kfree(mbuf); 28715bc3cb74SMauro Carvalho Chehab return err; 28725bc3cb74SMauro Carvalho Chehab } 28735bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(video_usercopy); 28745bc3cb74SMauro Carvalho Chehab 28755bc3cb74SMauro Carvalho Chehab long video_ioctl2(struct file *file, 28765bc3cb74SMauro Carvalho Chehab unsigned int cmd, unsigned long arg) 28775bc3cb74SMauro Carvalho Chehab { 28785bc3cb74SMauro Carvalho Chehab return video_usercopy(file, cmd, arg, __video_do_ioctl); 28795bc3cb74SMauro Carvalho Chehab } 28805bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(video_ioctl2); 2881