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; 1023d52e2381SLaurent Pinchart int ret; 10245bc3cb74SMauro Carvalho Chehab 10255bc3cb74SMauro Carvalho Chehab cap->version = LINUX_VERSION_CODE; 1026d52e2381SLaurent Pinchart 1027d52e2381SLaurent Pinchart ret = ops->vidioc_querycap(file, fh, cap); 1028d52e2381SLaurent Pinchart 1029d52e2381SLaurent Pinchart cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT; 1030454a4e72SHans Verkuil /* 1031454a4e72SHans Verkuil * Drivers MUST fill in device_caps, so check for this and 1032454a4e72SHans Verkuil * warn if it was forgotten. 1033454a4e72SHans Verkuil */ 10346d7570c4SLaura Abbott WARN(!(cap->capabilities & V4L2_CAP_DEVICE_CAPS) || 10356d7570c4SLaura Abbott !cap->device_caps, "Bad caps for driver %s, %x %x", 10366d7570c4SLaura Abbott cap->driver, cap->capabilities, cap->device_caps); 1037796a2bd2SHans Verkuil cap->device_caps |= V4L2_CAP_EXT_PIX_FORMAT; 1038d52e2381SLaurent Pinchart 1039d52e2381SLaurent Pinchart return ret; 10405bc3cb74SMauro Carvalho Chehab } 10415bc3cb74SMauro Carvalho Chehab 10425bc3cb74SMauro Carvalho Chehab static int v4l_s_input(const struct v4l2_ioctl_ops *ops, 10435bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10445bc3cb74SMauro Carvalho Chehab { 104577fa4e07SShuah Khan struct video_device *vfd = video_devdata(file); 104677fa4e07SShuah Khan int ret; 104777fa4e07SShuah Khan 104877fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 104977fa4e07SShuah Khan if (ret) 105077fa4e07SShuah Khan return ret; 10515bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_input(file, fh, *(unsigned int *)arg); 10525bc3cb74SMauro Carvalho Chehab } 10535bc3cb74SMauro Carvalho Chehab 10545bc3cb74SMauro Carvalho Chehab static int v4l_s_output(const struct v4l2_ioctl_ops *ops, 10555bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10565bc3cb74SMauro Carvalho Chehab { 10575bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_output(file, fh, *(unsigned int *)arg); 10585bc3cb74SMauro Carvalho Chehab } 10595bc3cb74SMauro Carvalho Chehab 10605bc3cb74SMauro Carvalho Chehab static int v4l_g_priority(const struct v4l2_ioctl_ops *ops, 10615bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10625bc3cb74SMauro Carvalho Chehab { 10635bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 10645bc3cb74SMauro Carvalho Chehab u32 *p = arg; 10655bc3cb74SMauro Carvalho Chehab 10665bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 106759b702eaSLaurent Pinchart *p = v4l2_prio_max(vfd->prio); 10685bc3cb74SMauro Carvalho Chehab return 0; 10695bc3cb74SMauro Carvalho Chehab } 10705bc3cb74SMauro Carvalho Chehab 10715bc3cb74SMauro Carvalho Chehab static int v4l_s_priority(const struct v4l2_ioctl_ops *ops, 10725bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10735bc3cb74SMauro Carvalho Chehab { 10745bc3cb74SMauro Carvalho Chehab struct video_device *vfd; 10755bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh; 10765bc3cb74SMauro Carvalho Chehab u32 *p = arg; 10775bc3cb74SMauro Carvalho Chehab 10785bc3cb74SMauro Carvalho Chehab vfd = video_devdata(file); 10792438e78aSHans Verkuil if (!test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 10802438e78aSHans Verkuil return -ENOTTY; 10815bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 108259b702eaSLaurent Pinchart return v4l2_prio_change(vfd->prio, &vfh->prio, *p); 10835bc3cb74SMauro Carvalho Chehab } 10845bc3cb74SMauro Carvalho Chehab 10855bc3cb74SMauro Carvalho Chehab static int v4l_enuminput(const struct v4l2_ioctl_ops *ops, 10865bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 10875bc3cb74SMauro Carvalho Chehab { 108873f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 10895bc3cb74SMauro Carvalho Chehab struct v4l2_input *p = arg; 10905bc3cb74SMauro Carvalho Chehab 10915bc3cb74SMauro Carvalho Chehab /* 109202fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 10935bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 10945bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 10955bc3cb74SMauro Carvalho Chehab * for a specific input, it must override these flags. 10965bc3cb74SMauro Carvalho Chehab */ 109773f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 10985bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_IN_CAP_STD; 10995bc3cb74SMauro Carvalho Chehab 11005bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_input(file, fh, p); 11015bc3cb74SMauro Carvalho Chehab } 11025bc3cb74SMauro Carvalho Chehab 11035bc3cb74SMauro Carvalho Chehab static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops, 11045bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 11055bc3cb74SMauro Carvalho Chehab { 110673f35418SHans Verkuil struct video_device *vfd = video_devdata(file); 11075bc3cb74SMauro Carvalho Chehab struct v4l2_output *p = arg; 11085bc3cb74SMauro Carvalho Chehab 11095bc3cb74SMauro Carvalho Chehab /* 111002fa6282SHans Verkuil * We set the flags for CAP_DV_TIMINGS & 11115bc3cb74SMauro Carvalho Chehab * CAP_STD here based on ioctl handler provided by the 11125bc3cb74SMauro Carvalho Chehab * driver. If the driver doesn't support these 11135bc3cb74SMauro Carvalho Chehab * for a specific output, it must override these flags. 11145bc3cb74SMauro Carvalho Chehab */ 111573f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_S_STD)) 11165bc3cb74SMauro Carvalho Chehab p->capabilities |= V4L2_OUT_CAP_STD; 11175bc3cb74SMauro Carvalho Chehab 11185bc3cb74SMauro Carvalho Chehab return ops->vidioc_enum_output(file, fh, p); 11195bc3cb74SMauro Carvalho Chehab } 11205bc3cb74SMauro Carvalho Chehab 1121ba300204SHans Verkuil static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 1122ba300204SHans Verkuil { 1123ba300204SHans Verkuil const unsigned sz = sizeof(fmt->description); 1124ba300204SHans Verkuil const char *descr = NULL; 1125ba300204SHans Verkuil u32 flags = 0; 1126ba300204SHans Verkuil 1127ba300204SHans Verkuil /* 1128ba300204SHans Verkuil * We depart from the normal coding style here since the descriptions 1129ba300204SHans Verkuil * should be aligned so it is easy to see which descriptions will be 1130ba300204SHans Verkuil * longer than 31 characters (the max length for a description). 1131ba300204SHans Verkuil * And frankly, this is easier to read anyway. 1132ba300204SHans Verkuil * 1133ba300204SHans Verkuil * Note that gcc will use O(log N) comparisons to find the right case. 1134ba300204SHans Verkuil */ 1135ba300204SHans Verkuil switch (fmt->pixelformat) { 1136ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1137ba300204SHans Verkuil case V4L2_PIX_FMT_RGB332: descr = "8-bit RGB 3-3-2"; break; 1138ba300204SHans Verkuil case V4L2_PIX_FMT_RGB444: descr = "16-bit A/XRGB 4-4-4-4"; break; 1139ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB444: descr = "16-bit ARGB 4-4-4-4"; break; 1140ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB444: descr = "16-bit XRGB 4-4-4-4"; break; 1141ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555: descr = "16-bit A/XRGB 1-5-5-5"; break; 1142ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555: descr = "16-bit ARGB 1-5-5-5"; break; 1143ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555: descr = "16-bit XRGB 1-5-5-5"; break; 1144ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565: descr = "16-bit RGB 5-6-5"; break; 1145ba300204SHans Verkuil case V4L2_PIX_FMT_RGB555X: descr = "16-bit A/XRGB 1-5-5-5 BE"; break; 1146ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB555X: descr = "16-bit ARGB 1-5-5-5 BE"; break; 1147ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB555X: descr = "16-bit XRGB 1-5-5-5 BE"; break; 1148ba300204SHans Verkuil case V4L2_PIX_FMT_RGB565X: descr = "16-bit RGB 5-6-5 BE"; break; 1149ba300204SHans Verkuil case V4L2_PIX_FMT_BGR666: descr = "18-bit BGRX 6-6-6-14"; break; 1150ba300204SHans Verkuil case V4L2_PIX_FMT_BGR24: descr = "24-bit BGR 8-8-8"; break; 1151ba300204SHans Verkuil case V4L2_PIX_FMT_RGB24: descr = "24-bit RGB 8-8-8"; break; 1152ba300204SHans Verkuil case V4L2_PIX_FMT_BGR32: descr = "32-bit BGRA/X 8-8-8-8"; break; 1153ba300204SHans Verkuil case V4L2_PIX_FMT_ABGR32: descr = "32-bit BGRA 8-8-8-8"; break; 1154ba300204SHans Verkuil case V4L2_PIX_FMT_XBGR32: descr = "32-bit BGRX 8-8-8-8"; break; 1155ba300204SHans Verkuil case V4L2_PIX_FMT_RGB32: descr = "32-bit A/XRGB 8-8-8-8"; break; 1156ba300204SHans Verkuil case V4L2_PIX_FMT_ARGB32: descr = "32-bit ARGB 8-8-8-8"; break; 1157ba300204SHans Verkuil case V4L2_PIX_FMT_XRGB32: descr = "32-bit XRGB 8-8-8-8"; break; 1158ba300204SHans Verkuil case V4L2_PIX_FMT_GREY: descr = "8-bit Greyscale"; break; 1159ba300204SHans Verkuil case V4L2_PIX_FMT_Y4: descr = "4-bit Greyscale"; break; 1160ba300204SHans Verkuil case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break; 1161ba300204SHans Verkuil case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break; 1162ba300204SHans Verkuil case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break; 1163ba300204SHans Verkuil case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; 11642e5e435fSRicardo Ribalda case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; 1165ba300204SHans Verkuil case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; 1166ba300204SHans Verkuil case V4L2_PIX_FMT_PAL8: descr = "8-bit Palette"; break; 1167ba300204SHans Verkuil case V4L2_PIX_FMT_UV8: descr = "8-bit Chrominance UV 4-4"; break; 1168ba300204SHans Verkuil case V4L2_PIX_FMT_YVU410: descr = "Planar YVU 4:1:0"; break; 1169ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420: descr = "Planar YVU 4:2:0"; break; 1170ba300204SHans Verkuil case V4L2_PIX_FMT_YUYV: descr = "YUYV 4:2:2"; break; 1171ba300204SHans Verkuil case V4L2_PIX_FMT_YYUV: descr = "YYUV 4:2:2"; break; 1172ba300204SHans Verkuil case V4L2_PIX_FMT_YVYU: descr = "YVYU 4:2:2"; break; 1173ba300204SHans Verkuil case V4L2_PIX_FMT_UYVY: descr = "UYVY 4:2:2"; break; 1174ba300204SHans Verkuil case V4L2_PIX_FMT_VYUY: descr = "VYUY 4:2:2"; break; 1175fcbafafbSPhilipp Zabel case V4L2_PIX_FMT_YUV422P: descr = "Planar YUV 4:2:2"; break; 1176ba300204SHans Verkuil case V4L2_PIX_FMT_YUV411P: descr = "Planar YUV 4:1:1"; break; 1177ba300204SHans Verkuil case V4L2_PIX_FMT_Y41P: descr = "YUV 4:1:1 (Packed)"; break; 1178ba300204SHans Verkuil case V4L2_PIX_FMT_YUV444: descr = "16-bit A/XYUV 4-4-4-4"; break; 1179ba300204SHans Verkuil case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; 1180ba300204SHans Verkuil case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; 1181ba300204SHans Verkuil case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; 1182ba300204SHans Verkuil case V4L2_PIX_FMT_YUV410: descr = "Planar YUV 4:1:0"; break; 1183ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break; 1184ba300204SHans Verkuil case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break; 1185ba300204SHans Verkuil case V4L2_PIX_FMT_HM12: descr = "YUV 4:2:0 (16x16 Macroblocks)"; break; 1186ba300204SHans Verkuil case V4L2_PIX_FMT_M420: descr = "YUV 4:2:0 (M420)"; break; 1187ba300204SHans Verkuil case V4L2_PIX_FMT_NV12: descr = "Y/CbCr 4:2:0"; break; 1188ba300204SHans Verkuil case V4L2_PIX_FMT_NV21: descr = "Y/CrCb 4:2:0"; break; 1189ba300204SHans Verkuil case V4L2_PIX_FMT_NV16: descr = "Y/CbCr 4:2:2"; break; 1190ba300204SHans Verkuil case V4L2_PIX_FMT_NV61: descr = "Y/CrCb 4:2:2"; break; 1191ba300204SHans Verkuil case V4L2_PIX_FMT_NV24: descr = "Y/CbCr 4:4:4"; break; 1192ba300204SHans Verkuil case V4L2_PIX_FMT_NV42: descr = "Y/CrCb 4:4:4"; break; 1193ba300204SHans Verkuil case V4L2_PIX_FMT_NV12M: descr = "Y/CbCr 4:2:0 (N-C)"; break; 1194ba300204SHans Verkuil case V4L2_PIX_FMT_NV21M: descr = "Y/CrCb 4:2:0 (N-C)"; break; 1195ba300204SHans Verkuil case V4L2_PIX_FMT_NV16M: descr = "Y/CbCr 4:2:2 (N-C)"; break; 1196ba300204SHans Verkuil case V4L2_PIX_FMT_NV61M: descr = "Y/CrCb 4:2:2 (N-C)"; break; 1197ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT: descr = "Y/CbCr 4:2:0 (64x32 MB, N-C)"; break; 1198ba300204SHans Verkuil case V4L2_PIX_FMT_NV12MT_16X16: descr = "Y/CbCr 4:2:0 (16x16 MB, N-C)"; break; 1199ba300204SHans Verkuil case V4L2_PIX_FMT_YUV420M: descr = "Planar YUV 4:2:0 (N-C)"; break; 1200ba300204SHans Verkuil case V4L2_PIX_FMT_YVU420M: descr = "Planar YVU 4:2:0 (N-C)"; break; 1201d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV422M: descr = "Planar YUV 4:2:2 (N-C)"; break; 1202d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU422M: descr = "Planar YVU 4:2:2 (N-C)"; break; 1203d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YUV444M: descr = "Planar YUV 4:4:4 (N-C)"; break; 1204d65fae92SLaurent Pinchart case V4L2_PIX_FMT_YVU444M: descr = "Planar YVU 4:4:4 (N-C)"; break; 1205ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR8: descr = "8-bit Bayer BGBG/GRGR"; break; 1206ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG8: descr = "8-bit Bayer GBGB/RGRG"; break; 1207ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG8: descr = "8-bit Bayer GRGR/BGBG"; break; 1208ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB8: descr = "8-bit Bayer RGRG/GBGB"; break; 1209ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10: descr = "10-bit Bayer BGBG/GRGR"; break; 1210ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10: descr = "10-bit Bayer GBGB/RGRG"; break; 1211ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10: descr = "10-bit Bayer GRGR/BGBG"; break; 1212ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10: descr = "10-bit Bayer RGRG/GBGB"; break; 1213ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR12: descr = "12-bit Bayer BGBG/GRGR"; break; 1214ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break; 1215ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break; 1216ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB12: descr = "12-bit Bayer RGRG/GBGB"; break; 1217ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10P: descr = "10-bit Bayer BGBG/GRGR Packed"; break; 1218ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10P: descr = "10-bit Bayer GBGB/RGRG Packed"; break; 1219ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10P: descr = "10-bit Bayer GRGR/BGBG Packed"; break; 1220ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10P: descr = "10-bit Bayer RGRG/GBGB Packed"; break; 1221ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10ALAW8: descr = "8-bit Bayer BGBG/GRGR (A-law)"; break; 1222ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10ALAW8: descr = "8-bit Bayer GBGB/RGRG (A-law)"; break; 1223ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10ALAW8: descr = "8-bit Bayer GRGR/BGBG (A-law)"; break; 1224ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10ALAW8: descr = "8-bit Bayer RGRG/GBGB (A-law)"; break; 1225ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR10DPCM8: descr = "8-bit Bayer BGBG/GRGR (DPCM)"; break; 1226ba300204SHans Verkuil case V4L2_PIX_FMT_SGBRG10DPCM8: descr = "8-bit Bayer GBGB/RGRG (DPCM)"; break; 1227ba300204SHans Verkuil case V4L2_PIX_FMT_SGRBG10DPCM8: descr = "8-bit Bayer GRGR/BGBG (DPCM)"; break; 1228ba300204SHans Verkuil case V4L2_PIX_FMT_SRGGB10DPCM8: descr = "8-bit Bayer RGRG/GBGB (DPCM)"; break; 1229ba300204SHans Verkuil case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR (Exp.)"; break; 123099b74277SMauro Carvalho Chehab case V4L2_PIX_FMT_SN9C20X_I420: descr = "GSPCA SN9C20X I420"; break; 1231ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA501: descr = "GSPCA SPCA501"; break; 1232ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA505: descr = "GSPCA SPCA505"; break; 1233ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA508: descr = "GSPCA SPCA508"; break; 1234ba300204SHans Verkuil case V4L2_PIX_FMT_STV0680: descr = "GSPCA STV0680"; break; 1235ba300204SHans Verkuil case V4L2_PIX_FMT_TM6000: descr = "A/V + VBI Mux Packet"; break; 1236ba300204SHans Verkuil case V4L2_PIX_FMT_CIT_YYVYUY: descr = "GSPCA CIT YYVYUY"; break; 1237ba300204SHans Verkuil case V4L2_PIX_FMT_KONICA420: descr = "GSPCA KONICA420"; break; 123848fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU8: descr = "Complex U8"; break; 123948fc10aaSAntti Palosaari case V4L2_SDR_FMT_CU16LE: descr = "Complex U16LE"; break; 1240ba300204SHans Verkuil case V4L2_SDR_FMT_CS8: descr = "Complex S8"; break; 1241ba300204SHans Verkuil case V4L2_SDR_FMT_CS14LE: descr = "Complex S14LE"; break; 1242ba300204SHans Verkuil case V4L2_SDR_FMT_RU12LE: descr = "Real U12LE"; break; 1243ba300204SHans Verkuil 1244ba300204SHans Verkuil default: 1245ba300204SHans Verkuil /* Compressed formats */ 1246ba300204SHans Verkuil flags = V4L2_FMT_FLAG_COMPRESSED; 1247ba300204SHans Verkuil switch (fmt->pixelformat) { 1248ba300204SHans Verkuil /* Max description length mask: descr = "0123456789012345678901234567890" */ 1249ba300204SHans Verkuil case V4L2_PIX_FMT_MJPEG: descr = "Motion-JPEG"; break; 1250ba300204SHans Verkuil case V4L2_PIX_FMT_JPEG: descr = "JFIF JPEG"; break; 1251ba300204SHans Verkuil case V4L2_PIX_FMT_DV: descr = "1394"; break; 1252ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG: descr = "MPEG-1/2/4"; break; 1253ba300204SHans Verkuil case V4L2_PIX_FMT_H264: descr = "H.264"; break; 1254ba300204SHans Verkuil case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break; 1255ba300204SHans Verkuil case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break; 1256ba300204SHans Verkuil case V4L2_PIX_FMT_H263: descr = "H.263"; break; 1257ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break; 1258ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break; 1259ba300204SHans Verkuil case V4L2_PIX_FMT_MPEG4: descr = "MPEG-4 part 2 ES"; break; 1260ba300204SHans Verkuil case V4L2_PIX_FMT_XVID: descr = "Xvid"; break; 1261ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_G: descr = "VC-1 (SMPTE 412M Annex G)"; break; 1262ba300204SHans Verkuil case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break; 1263ba300204SHans Verkuil case V4L2_PIX_FMT_VP8: descr = "VP8"; break; 1264ba300204SHans Verkuil case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; 1265ba300204SHans Verkuil case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; 1266ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; 1267ba300204SHans Verkuil case V4L2_PIX_FMT_PWC1: descr = "Raw Philips Webcam Type (Old)"; break; 1268ba300204SHans Verkuil case V4L2_PIX_FMT_PWC2: descr = "Raw Philips Webcam Type (New)"; break; 1269ba300204SHans Verkuil case V4L2_PIX_FMT_ET61X251: descr = "GSPCA ET61X251"; break; 1270ba300204SHans Verkuil case V4L2_PIX_FMT_SPCA561: descr = "GSPCA SPCA561"; break; 1271ba300204SHans Verkuil case V4L2_PIX_FMT_PAC207: descr = "GSPCA PAC207"; break; 1272ba300204SHans Verkuil case V4L2_PIX_FMT_MR97310A: descr = "GSPCA MR97310A"; break; 1273ba300204SHans Verkuil case V4L2_PIX_FMT_JL2005BCD: descr = "GSPCA JL2005BCD"; break; 1274ba300204SHans Verkuil case V4L2_PIX_FMT_SN9C2028: descr = "GSPCA SN9C2028"; break; 1275ba300204SHans Verkuil case V4L2_PIX_FMT_SQ905C: descr = "GSPCA SQ905C"; break; 1276ba300204SHans Verkuil case V4L2_PIX_FMT_PJPG: descr = "GSPCA PJPG"; break; 1277ba300204SHans Verkuil case V4L2_PIX_FMT_OV511: descr = "GSPCA OV511"; break; 1278ba300204SHans Verkuil case V4L2_PIX_FMT_OV518: descr = "GSPCA OV518"; break; 1279ba300204SHans Verkuil case V4L2_PIX_FMT_JPGL: descr = "JPEG Lite"; break; 1280ba300204SHans Verkuil case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; 1281ba300204SHans Verkuil case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; 1282ba300204SHans Verkuil default: 1283ba300204SHans Verkuil WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat); 1284ba300204SHans Verkuil if (fmt->description[0]) 1285ba300204SHans Verkuil return; 1286ba300204SHans Verkuil flags = 0; 1287ba300204SHans Verkuil snprintf(fmt->description, sz, "%c%c%c%c%s", 1288ba300204SHans Verkuil (char)(fmt->pixelformat & 0x7f), 1289ba300204SHans Verkuil (char)((fmt->pixelformat >> 8) & 0x7f), 1290ba300204SHans Verkuil (char)((fmt->pixelformat >> 16) & 0x7f), 1291ba300204SHans Verkuil (char)((fmt->pixelformat >> 24) & 0x7f), 1292ba300204SHans Verkuil (fmt->pixelformat & (1 << 31)) ? "-BE" : ""); 1293ba300204SHans Verkuil break; 1294ba300204SHans Verkuil } 1295ba300204SHans Verkuil } 1296ba300204SHans Verkuil 1297ba300204SHans Verkuil if (descr) 1298ba300204SHans Verkuil WARN_ON(strlcpy(fmt->description, descr, sz) >= sz); 1299ba300204SHans Verkuil fmt->flags = flags; 1300ba300204SHans Verkuil } 1301ba300204SHans Verkuil 13025bc3cb74SMauro Carvalho Chehab static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, 13035bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 13045bc3cb74SMauro Carvalho Chehab { 13055bc3cb74SMauro Carvalho Chehab struct v4l2_fmtdesc *p = arg; 13064b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 1307ce71bbc9SHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1308ce71bbc9SHans Verkuil bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 13094b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 13104b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 1311ba300204SHans Verkuil int ret = -EINVAL; 13125bc3cb74SMauro Carvalho Chehab 13135bc3cb74SMauro Carvalho Chehab switch (p->type) { 13145bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 1315ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap)) 13165bc3cb74SMauro Carvalho Chehab break; 1317ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg); 1318ba300204SHans Verkuil break; 13195bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 1320ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_cap_mplane)) 13215bc3cb74SMauro Carvalho Chehab break; 1322ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg); 1323ba300204SHans Verkuil break; 13245bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1325ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_enum_fmt_vid_overlay)) 13265bc3cb74SMauro Carvalho Chehab break; 1327ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); 1328ba300204SHans Verkuil break; 13295bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 1330ce71bbc9SHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out)) 13315bc3cb74SMauro Carvalho Chehab break; 1332ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg); 1333ba300204SHans Verkuil break; 13345bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 1335ce71bbc9SHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_enum_fmt_vid_out_mplane)) 13365bc3cb74SMauro Carvalho Chehab break; 1337ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg); 1338ba300204SHans Verkuil break; 1339582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1340ce71bbc9SHans Verkuil if (unlikely(!is_rx || !is_sdr || !ops->vidioc_enum_fmt_sdr_cap)) 1341582c52cbSAntti Palosaari break; 1342ba300204SHans Verkuil ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg); 1343ba300204SHans Verkuil break; 13449effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 13459effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out)) 13469effc72fSAntti Palosaari break; 13479effc72fSAntti Palosaari ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg); 13489effc72fSAntti Palosaari break; 13495bc3cb74SMauro Carvalho Chehab } 1350ba300204SHans Verkuil if (ret == 0) 1351ba300204SHans Verkuil v4l_fill_fmtdesc(p); 1352ba300204SHans Verkuil return ret; 13535bc3cb74SMauro Carvalho Chehab } 13545bc3cb74SMauro Carvalho Chehab 13555bc3cb74SMauro Carvalho Chehab static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, 13565bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 13575bc3cb74SMauro Carvalho Chehab { 13585bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 13594b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 13604b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1361582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 13624b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 13634b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 1364d52e2381SLaurent Pinchart int ret; 1365d52e2381SLaurent Pinchart 1366e5ce558aSHans Verkuil /* 1367e5ce558aSHans Verkuil * fmt can't be cleared for these overlay types due to the 'clips' 1368e5ce558aSHans Verkuil * 'clipcount' and 'bitmap' pointers in struct v4l2_window. 1369e5ce558aSHans Verkuil * Those are provided by the user. So handle these two overlay types 1370e5ce558aSHans Verkuil * first, and then just do a simple memset for the other types. 1371e5ce558aSHans Verkuil */ 1372e5ce558aSHans Verkuil switch (p->type) { 1373e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OVERLAY: 1374e5ce558aSHans Verkuil case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: { 13754d1afa51SHans Verkuil struct v4l2_clip __user *clips = p->fmt.win.clips; 1376e5ce558aSHans Verkuil u32 clipcount = p->fmt.win.clipcount; 13774d1afa51SHans Verkuil void __user *bitmap = p->fmt.win.bitmap; 1378e5ce558aSHans Verkuil 1379e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1380e5ce558aSHans Verkuil p->fmt.win.clips = clips; 1381e5ce558aSHans Verkuil p->fmt.win.clipcount = clipcount; 1382e5ce558aSHans Verkuil p->fmt.win.bitmap = bitmap; 1383e5ce558aSHans Verkuil break; 1384e5ce558aSHans Verkuil } 1385e5ce558aSHans Verkuil default: 1386e5ce558aSHans Verkuil memset(&p->fmt, 0, sizeof(p->fmt)); 1387e5ce558aSHans Verkuil break; 1388e5ce558aSHans Verkuil } 1389e5ce558aSHans Verkuil 13905bc3cb74SMauro Carvalho Chehab switch (p->type) { 13915bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 13924b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap)) 13935bc3cb74SMauro Carvalho Chehab break; 139448f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1395d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg); 139648f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1397d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1398d52e2381SLaurent Pinchart return ret; 13995bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 14004b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap_mplane)) 14015bc3cb74SMauro Carvalho Chehab break; 14025bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); 14035bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 14044b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_overlay)) 14055bc3cb74SMauro Carvalho Chehab break; 14065bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_overlay(file, fh, arg); 14074b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 14084b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_vbi_cap)) 14094b20259fSHans Verkuil break; 14104b20259fSHans Verkuil return ops->vidioc_g_fmt_vbi_cap(file, fh, arg); 14114b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 14124b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_cap)) 14134b20259fSHans Verkuil break; 14144b20259fSHans Verkuil return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg); 14155bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 14164b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out)) 14175bc3cb74SMauro Carvalho Chehab break; 141848f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1419d52e2381SLaurent Pinchart ret = ops->vidioc_g_fmt_vid_out(file, fh, arg); 142048f2650aSHans Verkuil /* just in case the driver zeroed it again */ 1421d52e2381SLaurent Pinchart p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1422d52e2381SLaurent Pinchart return ret; 14235bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 14244b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_mplane)) 14255bc3cb74SMauro Carvalho Chehab break; 14265bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg); 14275bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 14284b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_overlay)) 14295bc3cb74SMauro Carvalho Chehab break; 14305bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg); 14315bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 14324b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_vbi_out)) 14335bc3cb74SMauro Carvalho Chehab break; 14345bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_vbi_out(file, fh, arg); 14355bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 14364b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_g_fmt_sliced_vbi_out)) 14375bc3cb74SMauro Carvalho Chehab break; 14385bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg); 1439582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1440582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap)) 1441582c52cbSAntti Palosaari break; 1442582c52cbSAntti Palosaari return ops->vidioc_g_fmt_sdr_cap(file, fh, arg); 14439effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 14449effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out)) 14459effc72fSAntti Palosaari break; 14469effc72fSAntti Palosaari return ops->vidioc_g_fmt_sdr_out(file, fh, arg); 14475bc3cb74SMauro Carvalho Chehab } 14485bc3cb74SMauro Carvalho Chehab return -EINVAL; 14495bc3cb74SMauro Carvalho Chehab } 14505bc3cb74SMauro Carvalho Chehab 14515bc3cb74SMauro Carvalho Chehab static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, 14525bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 14535bc3cb74SMauro Carvalho Chehab { 14545bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 14554b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 14564b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1457582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 14584b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 14594b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 146048f2650aSHans Verkuil int ret; 14615bc3cb74SMauro Carvalho Chehab 146277fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 146377fa4e07SShuah Khan if (ret) 146477fa4e07SShuah Khan return ret; 1465d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1466d52e2381SLaurent Pinchart 14675bc3cb74SMauro Carvalho Chehab switch (p->type) { 14685bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 14694b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap)) 14705bc3cb74SMauro Carvalho Chehab break; 14715bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 147248f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_cap(file, fh, arg); 147348f2650aSHans Verkuil /* just in case the driver zeroed it again */ 147448f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 147548f2650aSHans Verkuil return ret; 14765bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 14774b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap_mplane)) 14785bc3cb74SMauro Carvalho Chehab break; 14795bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 14805bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); 14815bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 14824b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_overlay)) 14835bc3cb74SMauro Carvalho Chehab break; 14845bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 14855bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_overlay(file, fh, arg); 14864b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 14874b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_vbi_cap)) 14884b20259fSHans Verkuil break; 14894b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi); 14904b20259fSHans Verkuil return ops->vidioc_s_fmt_vbi_cap(file, fh, arg); 14914b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 14924b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_cap)) 14934b20259fSHans Verkuil break; 14944b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced); 14954b20259fSHans Verkuil return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg); 14965bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 14974b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out)) 14985bc3cb74SMauro Carvalho Chehab break; 14995bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 150048f2650aSHans Verkuil ret = ops->vidioc_s_fmt_vid_out(file, fh, arg); 150148f2650aSHans Verkuil /* just in case the driver zeroed it again */ 150248f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 150348f2650aSHans Verkuil return ret; 15045bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 15054b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_mplane)) 15065bc3cb74SMauro Carvalho Chehab break; 15075bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15085bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); 15095bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 15104b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_s_fmt_vid_out_overlay)) 15115bc3cb74SMauro Carvalho Chehab break; 15125bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 15135bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg); 15145bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 15154b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_vbi_out)) 15165bc3cb74SMauro Carvalho Chehab break; 15175bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.vbi); 15185bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_vbi_out(file, fh, arg); 15195bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 15204b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_s_fmt_sliced_vbi_out)) 15215bc3cb74SMauro Carvalho Chehab break; 15225bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.sliced); 15235bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg); 1524582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1525582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_s_fmt_sdr_cap)) 1526582c52cbSAntti Palosaari break; 1527582c52cbSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 1528582c52cbSAntti Palosaari return ops->vidioc_s_fmt_sdr_cap(file, fh, arg); 15299effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 15309effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out)) 15319effc72fSAntti Palosaari break; 15329effc72fSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 15339effc72fSAntti Palosaari return ops->vidioc_s_fmt_sdr_out(file, fh, arg); 15345bc3cb74SMauro Carvalho Chehab } 15355bc3cb74SMauro Carvalho Chehab return -EINVAL; 15365bc3cb74SMauro Carvalho Chehab } 15375bc3cb74SMauro Carvalho Chehab 15385bc3cb74SMauro Carvalho Chehab static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, 15395bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 15405bc3cb74SMauro Carvalho Chehab { 15415bc3cb74SMauro Carvalho Chehab struct v4l2_format *p = arg; 15424b20259fSHans Verkuil struct video_device *vfd = video_devdata(file); 15434b20259fSHans Verkuil bool is_vid = vfd->vfl_type == VFL_TYPE_GRABBER; 1544582c52cbSAntti Palosaari bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR; 15454b20259fSHans Verkuil bool is_rx = vfd->vfl_dir != VFL_DIR_TX; 15464b20259fSHans Verkuil bool is_tx = vfd->vfl_dir != VFL_DIR_RX; 154748f2650aSHans Verkuil int ret; 15485bc3cb74SMauro Carvalho Chehab 1549d52e2381SLaurent Pinchart v4l_sanitize_format(p); 1550d52e2381SLaurent Pinchart 15515bc3cb74SMauro Carvalho Chehab switch (p->type) { 15525bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE: 15534b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap)) 15545bc3cb74SMauro Carvalho Chehab break; 15555bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 155648f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_cap(file, fh, arg); 155748f2650aSHans Verkuil /* just in case the driver zeroed it again */ 155848f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 155948f2650aSHans Verkuil return ret; 15605bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: 15614b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap_mplane)) 15625bc3cb74SMauro Carvalho Chehab break; 15635bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15645bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); 15655bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OVERLAY: 15664b20259fSHans Verkuil if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_overlay)) 15675bc3cb74SMauro Carvalho Chehab break; 15685bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 15695bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_overlay(file, fh, arg); 15704b20259fSHans Verkuil case V4L2_BUF_TYPE_VBI_CAPTURE: 15714b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_vbi_cap)) 15724b20259fSHans Verkuil break; 15734b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.vbi); 15744b20259fSHans Verkuil return ops->vidioc_try_fmt_vbi_cap(file, fh, arg); 15754b20259fSHans Verkuil case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: 15764b20259fSHans Verkuil if (unlikely(!is_rx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_cap)) 15774b20259fSHans Verkuil break; 15784b20259fSHans Verkuil CLEAR_AFTER_FIELD(p, fmt.sliced); 15794b20259fSHans Verkuil return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg); 15805bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT: 15814b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out)) 15825bc3cb74SMauro Carvalho Chehab break; 15835bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix); 158448f2650aSHans Verkuil ret = ops->vidioc_try_fmt_vid_out(file, fh, arg); 158548f2650aSHans Verkuil /* just in case the driver zeroed it again */ 158648f2650aSHans Verkuil p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 158748f2650aSHans Verkuil return ret; 15885bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: 15894b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_mplane)) 15905bc3cb74SMauro Carvalho Chehab break; 15915bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.pix_mp); 15925bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); 15935bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: 15944b20259fSHans Verkuil if (unlikely(!is_tx || !is_vid || !ops->vidioc_try_fmt_vid_out_overlay)) 15955bc3cb74SMauro Carvalho Chehab break; 15965bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.win); 15975bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg); 15985bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_VBI_OUTPUT: 15994b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_vbi_out)) 16005bc3cb74SMauro Carvalho Chehab break; 16015bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.vbi); 16025bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_vbi_out(file, fh, arg); 16035bc3cb74SMauro Carvalho Chehab case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: 16044b20259fSHans Verkuil if (unlikely(!is_tx || is_vid || !ops->vidioc_try_fmt_sliced_vbi_out)) 16055bc3cb74SMauro Carvalho Chehab break; 16065bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, fmt.sliced); 16075bc3cb74SMauro Carvalho Chehab return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg); 1608582c52cbSAntti Palosaari case V4L2_BUF_TYPE_SDR_CAPTURE: 1609582c52cbSAntti Palosaari if (unlikely(!is_rx || !is_sdr || !ops->vidioc_try_fmt_sdr_cap)) 1610582c52cbSAntti Palosaari break; 1611582c52cbSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 1612582c52cbSAntti Palosaari return ops->vidioc_try_fmt_sdr_cap(file, fh, arg); 16139effc72fSAntti Palosaari case V4L2_BUF_TYPE_SDR_OUTPUT: 16149effc72fSAntti Palosaari if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out)) 16159effc72fSAntti Palosaari break; 16169effc72fSAntti Palosaari CLEAR_AFTER_FIELD(p, fmt.sdr); 16179effc72fSAntti Palosaari return ops->vidioc_try_fmt_sdr_out(file, fh, arg); 16185bc3cb74SMauro Carvalho Chehab } 16195bc3cb74SMauro Carvalho Chehab return -EINVAL; 16205bc3cb74SMauro Carvalho Chehab } 16215bc3cb74SMauro Carvalho Chehab 16225bc3cb74SMauro Carvalho Chehab static int v4l_streamon(const struct v4l2_ioctl_ops *ops, 16235bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16245bc3cb74SMauro Carvalho Chehab { 16255bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamon(file, fh, *(unsigned int *)arg); 16265bc3cb74SMauro Carvalho Chehab } 16275bc3cb74SMauro Carvalho Chehab 16285bc3cb74SMauro Carvalho Chehab static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, 16295bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16305bc3cb74SMauro Carvalho Chehab { 16315bc3cb74SMauro Carvalho Chehab return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); 16325bc3cb74SMauro Carvalho Chehab } 16335bc3cb74SMauro Carvalho Chehab 16345bc3cb74SMauro Carvalho Chehab static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, 16355bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16365bc3cb74SMauro Carvalho Chehab { 16375bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16385bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 16395bc3cb74SMauro Carvalho Chehab int err; 16405bc3cb74SMauro Carvalho Chehab 16415bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 16425bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 16435bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, p); 16445bc3cb74SMauro Carvalho Chehab if (!err) 16455bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 16465bc3cb74SMauro Carvalho Chehab return err; 16475bc3cb74SMauro Carvalho Chehab } 16485bc3cb74SMauro Carvalho Chehab 16495bc3cb74SMauro Carvalho Chehab static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, 16505bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16515bc3cb74SMauro Carvalho Chehab { 16525bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16535bc3cb74SMauro Carvalho Chehab struct v4l2_tuner *p = arg; 165477fa4e07SShuah Khan int ret; 16555bc3cb74SMauro Carvalho Chehab 165677fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 165777fa4e07SShuah Khan if (ret) 165877fa4e07SShuah Khan return ret; 16595bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 16605bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 16615bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_tuner(file, fh, p); 16625bc3cb74SMauro Carvalho Chehab } 16635bc3cb74SMauro Carvalho Chehab 16645bc3cb74SMauro Carvalho Chehab static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops, 16655bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16665bc3cb74SMauro Carvalho Chehab { 16674124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 16685bc3cb74SMauro Carvalho Chehab struct v4l2_modulator *p = arg; 16695bc3cb74SMauro Carvalho Chehab int err; 16705bc3cb74SMauro Carvalho Chehab 16714124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 16724124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 16734124a3c4SAntti Palosaari 16745bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, p); 16755bc3cb74SMauro Carvalho Chehab if (!err) 16765bc3cb74SMauro Carvalho Chehab p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; 16775bc3cb74SMauro Carvalho Chehab return err; 16785bc3cb74SMauro Carvalho Chehab } 16795bc3cb74SMauro Carvalho Chehab 16804124a3c4SAntti Palosaari static int v4l_s_modulator(const struct v4l2_ioctl_ops *ops, 16814124a3c4SAntti Palosaari struct file *file, void *fh, void *arg) 16824124a3c4SAntti Palosaari { 16834124a3c4SAntti Palosaari struct video_device *vfd = video_devdata(file); 16844124a3c4SAntti Palosaari struct v4l2_modulator *p = arg; 16854124a3c4SAntti Palosaari 16864124a3c4SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_RADIO) 16874124a3c4SAntti Palosaari p->type = V4L2_TUNER_RADIO; 16884124a3c4SAntti Palosaari 16894124a3c4SAntti Palosaari return ops->vidioc_s_modulator(file, fh, p); 16904124a3c4SAntti Palosaari } 16914124a3c4SAntti Palosaari 16925bc3cb74SMauro Carvalho Chehab static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, 16935bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 16945bc3cb74SMauro Carvalho Chehab { 16955bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 16965bc3cb74SMauro Carvalho Chehab struct v4l2_frequency *p = arg; 16975bc3cb74SMauro Carvalho Chehab 169884099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 1699f3c3ececSAntti Palosaari p->type = V4L2_TUNER_SDR; 170084099a28SAntti Palosaari else 17015bc3cb74SMauro Carvalho Chehab p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 17025bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 17035bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_frequency(file, fh, p); 17045bc3cb74SMauro Carvalho Chehab } 17055bc3cb74SMauro Carvalho Chehab 17065bc3cb74SMauro Carvalho Chehab static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, 17075bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17085bc3cb74SMauro Carvalho Chehab { 17095bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1710b530a447SHans Verkuil const struct v4l2_frequency *p = arg; 17115bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 171277fa4e07SShuah Khan int ret; 17135bc3cb74SMauro Carvalho Chehab 171477fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 171577fa4e07SShuah Khan if (ret) 171677fa4e07SShuah Khan return ret; 171784099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 1718f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 171984099a28SAntti Palosaari return -EINVAL; 172084099a28SAntti Palosaari } else { 17215bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 17225bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 172384099a28SAntti Palosaari if (type != p->type) 17245bc3cb74SMauro Carvalho Chehab return -EINVAL; 172584099a28SAntti Palosaari } 17265bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_frequency(file, fh, p); 17275bc3cb74SMauro Carvalho Chehab } 17285bc3cb74SMauro Carvalho Chehab 17295bc3cb74SMauro Carvalho Chehab static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, 17305bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17315bc3cb74SMauro Carvalho Chehab { 17325bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 17335bc3cb74SMauro Carvalho Chehab struct v4l2_standard *p = arg; 17345bc3cb74SMauro Carvalho Chehab v4l2_std_id id = vfd->tvnorms, curr_id = 0; 17355bc3cb74SMauro Carvalho Chehab unsigned int index = p->index, i, j = 0; 17365bc3cb74SMauro Carvalho Chehab const char *descr = ""; 17375bc3cb74SMauro Carvalho Chehab 1738a5338190SHans Verkuil /* Return -ENODATA if the tvnorms for the current input 1739a5338190SHans Verkuil or output is 0, meaning that it doesn't support this API. */ 1740a5338190SHans Verkuil if (id == 0) 1741a5338190SHans Verkuil return -ENODATA; 1742a5338190SHans Verkuil 17435bc3cb74SMauro Carvalho Chehab /* Return norm array in a canonical way */ 17445bc3cb74SMauro Carvalho Chehab for (i = 0; i <= index && id; i++) { 17455bc3cb74SMauro Carvalho Chehab /* last std value in the standards array is 0, so this 17465bc3cb74SMauro Carvalho Chehab while always ends there since (id & 0) == 0. */ 17475bc3cb74SMauro Carvalho Chehab while ((id & standards[j].std) != standards[j].std) 17485bc3cb74SMauro Carvalho Chehab j++; 17495bc3cb74SMauro Carvalho Chehab curr_id = standards[j].std; 17505bc3cb74SMauro Carvalho Chehab descr = standards[j].descr; 17515bc3cb74SMauro Carvalho Chehab j++; 17525bc3cb74SMauro Carvalho Chehab if (curr_id == 0) 17535bc3cb74SMauro Carvalho Chehab break; 17545bc3cb74SMauro Carvalho Chehab if (curr_id != V4L2_STD_PAL && 17555bc3cb74SMauro Carvalho Chehab curr_id != V4L2_STD_SECAM && 17565bc3cb74SMauro Carvalho Chehab curr_id != V4L2_STD_NTSC) 17575bc3cb74SMauro Carvalho Chehab id &= ~curr_id; 17585bc3cb74SMauro Carvalho Chehab } 17595bc3cb74SMauro Carvalho Chehab if (i <= index) 17605bc3cb74SMauro Carvalho Chehab return -EINVAL; 17615bc3cb74SMauro Carvalho Chehab 17625bc3cb74SMauro Carvalho Chehab v4l2_video_std_construct(p, curr_id, descr); 17635bc3cb74SMauro Carvalho Chehab return 0; 17645bc3cb74SMauro Carvalho Chehab } 17655bc3cb74SMauro Carvalho Chehab 17665bc3cb74SMauro Carvalho Chehab static int v4l_s_std(const struct v4l2_ioctl_ops *ops, 17675bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17685bc3cb74SMauro Carvalho Chehab { 17695bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 1770314527acSHans Verkuil v4l2_std_id id = *(v4l2_std_id *)arg, norm; 177177fa4e07SShuah Khan int ret; 17725bc3cb74SMauro Carvalho Chehab 177377fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 177477fa4e07SShuah Khan if (ret) 177577fa4e07SShuah Khan return ret; 1776314527acSHans Verkuil norm = id & vfd->tvnorms; 17775bc3cb74SMauro Carvalho Chehab if (vfd->tvnorms && !norm) /* Check if std is supported */ 17785bc3cb74SMauro Carvalho Chehab return -EINVAL; 17795bc3cb74SMauro Carvalho Chehab 17805bc3cb74SMauro Carvalho Chehab /* Calls the specific handler */ 1781ca371575SHans Verkuil return ops->vidioc_s_std(file, fh, norm); 17825bc3cb74SMauro Carvalho Chehab } 17835bc3cb74SMauro Carvalho Chehab 17845bc3cb74SMauro Carvalho Chehab static int v4l_querystd(const struct v4l2_ioctl_ops *ops, 17855bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 17865bc3cb74SMauro Carvalho Chehab { 17875bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 17885bc3cb74SMauro Carvalho Chehab v4l2_std_id *p = arg; 178977fa4e07SShuah Khan int ret; 17905bc3cb74SMauro Carvalho Chehab 179177fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 179277fa4e07SShuah Khan if (ret) 179377fa4e07SShuah Khan return ret; 17945bc3cb74SMauro Carvalho Chehab /* 17951a2c6866SHans Verkuil * If no signal is detected, then the driver should return 17961a2c6866SHans Verkuil * V4L2_STD_UNKNOWN. Otherwise it should return tvnorms with 17971a2c6866SHans Verkuil * any standards that do not apply removed. 17981a2c6866SHans Verkuil * 17995bc3cb74SMauro Carvalho Chehab * This means that tuners, audio and video decoders can join 18005bc3cb74SMauro Carvalho Chehab * their efforts to improve the standards detection. 18015bc3cb74SMauro Carvalho Chehab */ 18025bc3cb74SMauro Carvalho Chehab *p = vfd->tvnorms; 18035bc3cb74SMauro Carvalho Chehab return ops->vidioc_querystd(file, fh, arg); 18045bc3cb74SMauro Carvalho Chehab } 18055bc3cb74SMauro Carvalho Chehab 18065bc3cb74SMauro Carvalho Chehab static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, 18075bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18085bc3cb74SMauro Carvalho Chehab { 18095bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 18105bc3cb74SMauro Carvalho Chehab struct v4l2_hw_freq_seek *p = arg; 18115bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 181277fa4e07SShuah Khan int ret; 18135bc3cb74SMauro Carvalho Chehab 181477fa4e07SShuah Khan ret = v4l_enable_media_source(vfd); 181577fa4e07SShuah Khan if (ret) 181677fa4e07SShuah Khan return ret; 181784099a28SAntti Palosaari /* s_hw_freq_seek is not supported for SDR for now */ 181884099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) 181984099a28SAntti Palosaari return -EINVAL; 182084099a28SAntti Palosaari 18215bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 18225bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 18235bc3cb74SMauro Carvalho Chehab if (p->type != type) 18245bc3cb74SMauro Carvalho Chehab return -EINVAL; 18255bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_hw_freq_seek(file, fh, p); 18265bc3cb74SMauro Carvalho Chehab } 18275bc3cb74SMauro Carvalho Chehab 1828737c097bSHans Verkuil static int v4l_overlay(const struct v4l2_ioctl_ops *ops, 1829737c097bSHans Verkuil struct file *file, void *fh, void *arg) 1830737c097bSHans Verkuil { 1831737c097bSHans Verkuil return ops->vidioc_overlay(file, fh, *(unsigned int *)arg); 1832737c097bSHans Verkuil } 1833737c097bSHans Verkuil 18345bc3cb74SMauro Carvalho Chehab static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, 18355bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18365bc3cb74SMauro Carvalho Chehab { 18375bc3cb74SMauro Carvalho Chehab struct v4l2_requestbuffers *p = arg; 18384b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18395bc3cb74SMauro Carvalho Chehab 18405bc3cb74SMauro Carvalho Chehab if (ret) 18415bc3cb74SMauro Carvalho Chehab return ret; 18425bc3cb74SMauro Carvalho Chehab 18435bc3cb74SMauro Carvalho Chehab CLEAR_AFTER_FIELD(p, memory); 18445bc3cb74SMauro Carvalho Chehab 18455bc3cb74SMauro Carvalho Chehab return ops->vidioc_reqbufs(file, fh, p); 18465bc3cb74SMauro Carvalho Chehab } 18475bc3cb74SMauro Carvalho Chehab 18485bc3cb74SMauro Carvalho Chehab static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, 18495bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18505bc3cb74SMauro Carvalho Chehab { 18515bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18524b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18535bc3cb74SMauro Carvalho Chehab 18545bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_querybuf(file, fh, p); 18555bc3cb74SMauro Carvalho Chehab } 18565bc3cb74SMauro Carvalho Chehab 18575bc3cb74SMauro Carvalho Chehab static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, 18585bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18595bc3cb74SMauro Carvalho Chehab { 18605bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18614b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18625bc3cb74SMauro Carvalho Chehab 18635bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_qbuf(file, fh, p); 18645bc3cb74SMauro Carvalho Chehab } 18655bc3cb74SMauro Carvalho Chehab 18665bc3cb74SMauro Carvalho Chehab static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, 18675bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18685bc3cb74SMauro Carvalho Chehab { 18695bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *p = arg; 18704b20259fSHans Verkuil int ret = check_fmt(file, p->type); 18715bc3cb74SMauro Carvalho Chehab 18725bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_dqbuf(file, fh, p); 18735bc3cb74SMauro Carvalho Chehab } 18745bc3cb74SMauro Carvalho Chehab 18755bc3cb74SMauro Carvalho Chehab static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, 18765bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18775bc3cb74SMauro Carvalho Chehab { 18785bc3cb74SMauro Carvalho Chehab struct v4l2_create_buffers *create = arg; 18794b20259fSHans Verkuil int ret = check_fmt(file, create->format.type); 18805bc3cb74SMauro Carvalho Chehab 1881d52e2381SLaurent Pinchart if (ret) 1882d52e2381SLaurent Pinchart return ret; 1883d52e2381SLaurent Pinchart 18845d351251SHans Verkuil CLEAR_AFTER_FIELD(create, format); 18855d351251SHans Verkuil 1886d52e2381SLaurent Pinchart v4l_sanitize_format(&create->format); 1887d52e2381SLaurent Pinchart 1888d52e2381SLaurent Pinchart ret = ops->vidioc_create_bufs(file, fh, create); 1889d52e2381SLaurent Pinchart 1890d52e2381SLaurent Pinchart if (create->format.type == V4L2_BUF_TYPE_VIDEO_CAPTURE || 1891d52e2381SLaurent Pinchart create->format.type == V4L2_BUF_TYPE_VIDEO_OUTPUT) 1892d52e2381SLaurent Pinchart create->format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; 1893d52e2381SLaurent Pinchart 1894d52e2381SLaurent Pinchart return ret; 18955bc3cb74SMauro Carvalho Chehab } 18965bc3cb74SMauro Carvalho Chehab 18975bc3cb74SMauro Carvalho Chehab static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, 18985bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 18995bc3cb74SMauro Carvalho Chehab { 19005bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *b = arg; 19014b20259fSHans Verkuil int ret = check_fmt(file, b->type); 19025bc3cb74SMauro Carvalho Chehab 19035bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); 19045bc3cb74SMauro Carvalho Chehab } 19055bc3cb74SMauro Carvalho Chehab 19065bc3cb74SMauro Carvalho Chehab static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, 19075bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19085bc3cb74SMauro Carvalho Chehab { 19095bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 19105bc3cb74SMauro Carvalho Chehab v4l2_std_id std; 19114b20259fSHans Verkuil int ret = check_fmt(file, p->type); 19125bc3cb74SMauro Carvalho Chehab 19135bc3cb74SMauro Carvalho Chehab if (ret) 19145bc3cb74SMauro Carvalho Chehab return ret; 19155bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_parm) 19165bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_parm(file, fh, p); 19175bc3cb74SMauro Carvalho Chehab if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && 19185bc3cb74SMauro Carvalho Chehab p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) 19195bc3cb74SMauro Carvalho Chehab return -EINVAL; 19205bc3cb74SMauro Carvalho Chehab p->parm.capture.readbuffers = 2; 19215bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_std(file, fh, &std); 19225bc3cb74SMauro Carvalho Chehab if (ret == 0) 1923ca371575SHans Verkuil v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); 19245bc3cb74SMauro Carvalho Chehab return ret; 19255bc3cb74SMauro Carvalho Chehab } 19265bc3cb74SMauro Carvalho Chehab 19275bc3cb74SMauro Carvalho Chehab static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, 19285bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19295bc3cb74SMauro Carvalho Chehab { 19305bc3cb74SMauro Carvalho Chehab struct v4l2_streamparm *p = arg; 19314b20259fSHans Verkuil int ret = check_fmt(file, p->type); 19325bc3cb74SMauro Carvalho Chehab 19335bc3cb74SMauro Carvalho Chehab return ret ? ret : ops->vidioc_s_parm(file, fh, p); 19345bc3cb74SMauro Carvalho Chehab } 19355bc3cb74SMauro Carvalho Chehab 19365bc3cb74SMauro Carvalho Chehab static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops, 19375bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19385bc3cb74SMauro Carvalho Chehab { 19395bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19405bc3cb74SMauro Carvalho Chehab struct v4l2_queryctrl *p = arg; 19415bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19425bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19435bc3cb74SMauro Carvalho Chehab 19445bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 19455bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfh->ctrl_handler, p); 19465bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 19475bc3cb74SMauro Carvalho Chehab return v4l2_queryctrl(vfd->ctrl_handler, p); 19485bc3cb74SMauro Carvalho Chehab if (ops->vidioc_queryctrl) 19495bc3cb74SMauro Carvalho Chehab return ops->vidioc_queryctrl(file, fh, p); 19505bc3cb74SMauro Carvalho Chehab return -ENOTTY; 19515bc3cb74SMauro Carvalho Chehab } 19525bc3cb74SMauro Carvalho Chehab 1953e6bee368SHans Verkuil static int v4l_query_ext_ctrl(const struct v4l2_ioctl_ops *ops, 1954e6bee368SHans Verkuil struct file *file, void *fh, void *arg) 1955e6bee368SHans Verkuil { 1956e6bee368SHans Verkuil struct video_device *vfd = video_devdata(file); 1957e6bee368SHans Verkuil struct v4l2_query_ext_ctrl *p = arg; 1958e6bee368SHans Verkuil struct v4l2_fh *vfh = 1959e6bee368SHans Verkuil test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 1960e6bee368SHans Verkuil 1961e6bee368SHans Verkuil if (vfh && vfh->ctrl_handler) 1962e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfh->ctrl_handler, p); 1963e6bee368SHans Verkuil if (vfd->ctrl_handler) 1964e6bee368SHans Verkuil return v4l2_query_ext_ctrl(vfd->ctrl_handler, p); 1965e6bee368SHans Verkuil if (ops->vidioc_query_ext_ctrl) 1966e6bee368SHans Verkuil return ops->vidioc_query_ext_ctrl(file, fh, p); 1967e6bee368SHans Verkuil return -ENOTTY; 1968e6bee368SHans Verkuil } 1969e6bee368SHans Verkuil 19705bc3cb74SMauro Carvalho Chehab static int v4l_querymenu(const struct v4l2_ioctl_ops *ops, 19715bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19725bc3cb74SMauro Carvalho Chehab { 19735bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19745bc3cb74SMauro Carvalho Chehab struct v4l2_querymenu *p = arg; 19755bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19765bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19775bc3cb74SMauro Carvalho Chehab 19785bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 19795bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfh->ctrl_handler, p); 19805bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 19815bc3cb74SMauro Carvalho Chehab return v4l2_querymenu(vfd->ctrl_handler, p); 19825bc3cb74SMauro Carvalho Chehab if (ops->vidioc_querymenu) 19835bc3cb74SMauro Carvalho Chehab return ops->vidioc_querymenu(file, fh, p); 19845bc3cb74SMauro Carvalho Chehab return -ENOTTY; 19855bc3cb74SMauro Carvalho Chehab } 19865bc3cb74SMauro Carvalho Chehab 19875bc3cb74SMauro Carvalho Chehab static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops, 19885bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 19895bc3cb74SMauro Carvalho Chehab { 19905bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 19915bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 19925bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 19935bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 19945bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 19955bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 19965bc3cb74SMauro Carvalho Chehab 19975bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 19985bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfh->ctrl_handler, p); 19995bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20005bc3cb74SMauro Carvalho Chehab return v4l2_g_ctrl(vfd->ctrl_handler, p); 20015bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ctrl) 20025bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_ctrl(file, fh, p); 20035bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 20045bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20055bc3cb74SMauro Carvalho Chehab 20060f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 20075bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 20085bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 20095bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 20105bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 20115bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) { 20125bc3cb74SMauro Carvalho Chehab int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); 20135bc3cb74SMauro Carvalho Chehab 20145bc3cb74SMauro Carvalho Chehab if (ret == 0) 20155bc3cb74SMauro Carvalho Chehab p->value = ctrl.value; 20165bc3cb74SMauro Carvalho Chehab return ret; 20175bc3cb74SMauro Carvalho Chehab } 20185bc3cb74SMauro Carvalho Chehab return -EINVAL; 20195bc3cb74SMauro Carvalho Chehab } 20205bc3cb74SMauro Carvalho Chehab 20215bc3cb74SMauro Carvalho Chehab static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, 20225bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20235bc3cb74SMauro Carvalho Chehab { 20245bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20255bc3cb74SMauro Carvalho Chehab struct v4l2_control *p = arg; 20265bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20275bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20285bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls ctrls; 20295bc3cb74SMauro Carvalho Chehab struct v4l2_ext_control ctrl; 20305bc3cb74SMauro Carvalho Chehab 20315bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20325bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); 20335bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20345bc3cb74SMauro Carvalho Chehab return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p); 20355bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ctrl) 20365bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ctrl(file, fh, p); 20375bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 20385bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20395bc3cb74SMauro Carvalho Chehab 20400f8017beSRicardo Ribalda ctrls.which = V4L2_CTRL_ID2WHICH(p->id); 20415bc3cb74SMauro Carvalho Chehab ctrls.count = 1; 20425bc3cb74SMauro Carvalho Chehab ctrls.controls = &ctrl; 20435bc3cb74SMauro Carvalho Chehab ctrl.id = p->id; 20445bc3cb74SMauro Carvalho Chehab ctrl.value = p->value; 20455bc3cb74SMauro Carvalho Chehab if (check_ext_ctrls(&ctrls, 1)) 20465bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); 20475bc3cb74SMauro Carvalho Chehab return -EINVAL; 20485bc3cb74SMauro Carvalho Chehab } 20495bc3cb74SMauro Carvalho Chehab 20505bc3cb74SMauro Carvalho Chehab static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20515bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20525bc3cb74SMauro Carvalho Chehab { 20535bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20545bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20555bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20565bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20575bc3cb74SMauro Carvalho Chehab 20585bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 20595bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20605bc3cb74SMauro Carvalho Chehab return v4l2_g_ext_ctrls(vfh->ctrl_handler, p); 20615bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20625bc3cb74SMauro Carvalho Chehab return v4l2_g_ext_ctrls(vfd->ctrl_handler, p); 20635bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_ext_ctrls == NULL) 20645bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20655bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : 20665bc3cb74SMauro Carvalho Chehab -EINVAL; 20675bc3cb74SMauro Carvalho Chehab } 20685bc3cb74SMauro Carvalho Chehab 20695bc3cb74SMauro Carvalho Chehab static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20705bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20715bc3cb74SMauro Carvalho Chehab { 20725bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20735bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20745bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20755bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20765bc3cb74SMauro Carvalho Chehab 20775bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 20785bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20795bc3cb74SMauro Carvalho Chehab return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p); 20805bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 20815bc3cb74SMauro Carvalho Chehab return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p); 20825bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_ext_ctrls == NULL) 20835bc3cb74SMauro Carvalho Chehab return -ENOTTY; 20845bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : 20855bc3cb74SMauro Carvalho Chehab -EINVAL; 20865bc3cb74SMauro Carvalho Chehab } 20875bc3cb74SMauro Carvalho Chehab 20885bc3cb74SMauro Carvalho Chehab static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, 20895bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 20905bc3cb74SMauro Carvalho Chehab { 20915bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 20925bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *p = arg; 20935bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = 20945bc3cb74SMauro Carvalho Chehab test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; 20955bc3cb74SMauro Carvalho Chehab 20965bc3cb74SMauro Carvalho Chehab p->error_idx = p->count; 20975bc3cb74SMauro Carvalho Chehab if (vfh && vfh->ctrl_handler) 20985bc3cb74SMauro Carvalho Chehab return v4l2_try_ext_ctrls(vfh->ctrl_handler, p); 20995bc3cb74SMauro Carvalho Chehab if (vfd->ctrl_handler) 21005bc3cb74SMauro Carvalho Chehab return v4l2_try_ext_ctrls(vfd->ctrl_handler, p); 21015bc3cb74SMauro Carvalho Chehab if (ops->vidioc_try_ext_ctrls == NULL) 21025bc3cb74SMauro Carvalho Chehab return -ENOTTY; 21035bc3cb74SMauro Carvalho Chehab return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : 21045bc3cb74SMauro Carvalho Chehab -EINVAL; 21055bc3cb74SMauro Carvalho Chehab } 21065bc3cb74SMauro Carvalho Chehab 21075bc3cb74SMauro Carvalho Chehab static int v4l_g_crop(const struct v4l2_ioctl_ops *ops, 21085bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21095bc3cb74SMauro Carvalho Chehab { 21105bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 21115bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 21125bc3cb74SMauro Carvalho Chehab .type = p->type, 21135bc3cb74SMauro Carvalho Chehab }; 21145bc3cb74SMauro Carvalho Chehab int ret; 21155bc3cb74SMauro Carvalho Chehab 21165bc3cb74SMauro Carvalho Chehab if (ops->vidioc_g_crop) 21175bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_crop(file, fh, p); 21185bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 21195bc3cb74SMauro Carvalho Chehab 21205bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 21215bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21225bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; 21235bc3cb74SMauro Carvalho Chehab else 21245bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_ACTIVE; 21255bc3cb74SMauro Carvalho Chehab 21265bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 21275bc3cb74SMauro Carvalho Chehab 21285bc3cb74SMauro Carvalho Chehab /* copying results to old structure on success */ 21295bc3cb74SMauro Carvalho Chehab if (!ret) 21305bc3cb74SMauro Carvalho Chehab p->c = s.r; 21315bc3cb74SMauro Carvalho Chehab return ret; 21325bc3cb74SMauro Carvalho Chehab } 21335bc3cb74SMauro Carvalho Chehab 21345bc3cb74SMauro Carvalho Chehab static int v4l_s_crop(const struct v4l2_ioctl_ops *ops, 21355bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21365bc3cb74SMauro Carvalho Chehab { 21375bc3cb74SMauro Carvalho Chehab struct v4l2_crop *p = arg; 21385bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { 21395bc3cb74SMauro Carvalho Chehab .type = p->type, 21405bc3cb74SMauro Carvalho Chehab .r = p->c, 21415bc3cb74SMauro Carvalho Chehab }; 21425bc3cb74SMauro Carvalho Chehab 21435bc3cb74SMauro Carvalho Chehab if (ops->vidioc_s_crop) 21445bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_crop(file, fh, p); 21455bc3cb74SMauro Carvalho Chehab /* simulate capture crop using selection api */ 21465bc3cb74SMauro Carvalho Chehab 21475bc3cb74SMauro Carvalho Chehab /* crop means compose for output devices */ 21485bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21495bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; 21505bc3cb74SMauro Carvalho Chehab else 21515bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_ACTIVE; 21525bc3cb74SMauro Carvalho Chehab 21535bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_selection(file, fh, &s); 21545bc3cb74SMauro Carvalho Chehab } 21555bc3cb74SMauro Carvalho Chehab 21565bc3cb74SMauro Carvalho Chehab static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, 21575bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 21585bc3cb74SMauro Carvalho Chehab { 21595bc3cb74SMauro Carvalho Chehab struct v4l2_cropcap *p = arg; 21609409945cSHans Verkuil 21619409945cSHans Verkuil if (ops->vidioc_g_selection) { 21625bc3cb74SMauro Carvalho Chehab struct v4l2_selection s = { .type = p->type }; 21635bc3cb74SMauro Carvalho Chehab int ret; 21645bc3cb74SMauro Carvalho Chehab 21655bc3cb74SMauro Carvalho Chehab /* obtaining bounds */ 21665bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21675bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; 21685bc3cb74SMauro Carvalho Chehab else 21695bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_BOUNDS; 21705bc3cb74SMauro Carvalho Chehab 21715bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 21725bc3cb74SMauro Carvalho Chehab if (ret) 21735bc3cb74SMauro Carvalho Chehab return ret; 21745bc3cb74SMauro Carvalho Chehab p->bounds = s.r; 21755bc3cb74SMauro Carvalho Chehab 21765bc3cb74SMauro Carvalho Chehab /* obtaining defrect */ 21775bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_OUTPUT(p->type)) 21785bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; 21795bc3cb74SMauro Carvalho Chehab else 21805bc3cb74SMauro Carvalho Chehab s.target = V4L2_SEL_TGT_CROP_DEFAULT; 21815bc3cb74SMauro Carvalho Chehab 21825bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_g_selection(file, fh, &s); 21835bc3cb74SMauro Carvalho Chehab if (ret) 21845bc3cb74SMauro Carvalho Chehab return ret; 21855bc3cb74SMauro Carvalho Chehab p->defrect = s.r; 21869409945cSHans Verkuil } 21875bc3cb74SMauro Carvalho Chehab 21885bc3cb74SMauro Carvalho Chehab /* setting trivial pixelaspect */ 21895bc3cb74SMauro Carvalho Chehab p->pixelaspect.numerator = 1; 21905bc3cb74SMauro Carvalho Chehab p->pixelaspect.denominator = 1; 21919409945cSHans Verkuil 21929409945cSHans Verkuil if (ops->vidioc_cropcap) 21939409945cSHans Verkuil return ops->vidioc_cropcap(file, fh, p); 21949409945cSHans Verkuil 21955bc3cb74SMauro Carvalho Chehab return 0; 21965bc3cb74SMauro Carvalho Chehab } 21975bc3cb74SMauro Carvalho Chehab 21985bc3cb74SMauro Carvalho Chehab static int v4l_log_status(const struct v4l2_ioctl_ops *ops, 21995bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22005bc3cb74SMauro Carvalho Chehab { 22015bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 22025bc3cb74SMauro Carvalho Chehab int ret; 22035bc3cb74SMauro Carvalho Chehab 22045bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 22055bc3cb74SMauro Carvalho Chehab pr_info("%s: ================= START STATUS =================\n", 22065bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 22075bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_log_status(file, fh); 22085bc3cb74SMauro Carvalho Chehab if (vfd->v4l2_dev) 22095bc3cb74SMauro Carvalho Chehab pr_info("%s: ================== END STATUS ==================\n", 22105bc3cb74SMauro Carvalho Chehab vfd->v4l2_dev->name); 22115bc3cb74SMauro Carvalho Chehab return ret; 22125bc3cb74SMauro Carvalho Chehab } 22135bc3cb74SMauro Carvalho Chehab 22145bc3cb74SMauro Carvalho Chehab static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops, 22155bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22165bc3cb74SMauro Carvalho Chehab { 22175bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 22185bc3cb74SMauro Carvalho Chehab struct v4l2_dbg_register *p = arg; 221979b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 222079b0c640SHans Verkuil struct v4l2_subdev *sd; 222179b0c640SHans Verkuil int idx = 0; 22225bc3cb74SMauro Carvalho Chehab 22235bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 22245bc3cb74SMauro Carvalho Chehab return -EPERM; 22253eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 222679b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 222779b0c640SHans Verkuil return -EINVAL; 22283eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 22293eef2510SHans Verkuil if (p->match.addr == idx++) 223079b0c640SHans Verkuil return v4l2_subdev_call(sd, core, g_register, p); 223179b0c640SHans Verkuil return -EINVAL; 223279b0c640SHans Verkuil } 2233191b79b0SHans Verkuil if (ops->vidioc_g_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2234191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 22355bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_register(file, fh, p); 223679b0c640SHans Verkuil return -EINVAL; 22375bc3cb74SMauro Carvalho Chehab #else 22385bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22395bc3cb74SMauro Carvalho Chehab #endif 22405bc3cb74SMauro Carvalho Chehab } 22415bc3cb74SMauro Carvalho Chehab 22425bc3cb74SMauro Carvalho Chehab static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, 22435bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 22445bc3cb74SMauro Carvalho Chehab { 22455bc3cb74SMauro Carvalho Chehab #ifdef CONFIG_VIDEO_ADV_DEBUG 2246977ba3b1SHans Verkuil const struct v4l2_dbg_register *p = arg; 224779b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 224879b0c640SHans Verkuil struct v4l2_subdev *sd; 224979b0c640SHans Verkuil int idx = 0; 22505bc3cb74SMauro Carvalho Chehab 22515bc3cb74SMauro Carvalho Chehab if (!capable(CAP_SYS_ADMIN)) 22525bc3cb74SMauro Carvalho Chehab return -EPERM; 22533eef2510SHans Verkuil if (p->match.type == V4L2_CHIP_MATCH_SUBDEV) { 225479b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 225579b0c640SHans Verkuil return -EINVAL; 22563eef2510SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) 22573eef2510SHans Verkuil if (p->match.addr == idx++) 225879b0c640SHans Verkuil return v4l2_subdev_call(sd, core, s_register, p); 225979b0c640SHans Verkuil return -EINVAL; 226079b0c640SHans Verkuil } 2261191b79b0SHans Verkuil if (ops->vidioc_s_register && p->match.type == V4L2_CHIP_MATCH_BRIDGE && 2262191b79b0SHans Verkuil (ops->vidioc_g_chip_info || p->match.addr == 0)) 22635bc3cb74SMauro Carvalho Chehab return ops->vidioc_s_register(file, fh, p); 226479b0c640SHans Verkuil return -EINVAL; 22655bc3cb74SMauro Carvalho Chehab #else 22665bc3cb74SMauro Carvalho Chehab return -ENOTTY; 22675bc3cb74SMauro Carvalho Chehab #endif 22685bc3cb74SMauro Carvalho Chehab } 22695bc3cb74SMauro Carvalho Chehab 227096b03d2aSHans Verkuil static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops, 227179b0c640SHans Verkuil struct file *file, void *fh, void *arg) 227279b0c640SHans Verkuil { 2273cd634f1bSHans Verkuil #ifdef CONFIG_VIDEO_ADV_DEBUG 227479b0c640SHans Verkuil struct video_device *vfd = video_devdata(file); 227596b03d2aSHans Verkuil struct v4l2_dbg_chip_info *p = arg; 227679b0c640SHans Verkuil struct v4l2_subdev *sd; 227779b0c640SHans Verkuil int idx = 0; 227879b0c640SHans Verkuil 227979b0c640SHans Verkuil switch (p->match.type) { 228079b0c640SHans Verkuil case V4L2_CHIP_MATCH_BRIDGE: 228179b0c640SHans Verkuil if (ops->vidioc_s_register) 228279b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 228379b0c640SHans Verkuil if (ops->vidioc_g_register) 228479b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 228579b0c640SHans Verkuil strlcpy(p->name, vfd->v4l2_dev->name, sizeof(p->name)); 228696b03d2aSHans Verkuil if (ops->vidioc_g_chip_info) 228796b03d2aSHans Verkuil return ops->vidioc_g_chip_info(file, fh, arg); 22880f0fe4b9SHans Verkuil if (p->match.addr) 22890f0fe4b9SHans Verkuil return -EINVAL; 229079b0c640SHans Verkuil return 0; 229179b0c640SHans Verkuil 22923eef2510SHans Verkuil case V4L2_CHIP_MATCH_SUBDEV: 229379b0c640SHans Verkuil if (vfd->v4l2_dev == NULL) 229479b0c640SHans Verkuil break; 229579b0c640SHans Verkuil v4l2_device_for_each_subdev(sd, vfd->v4l2_dev) { 22963eef2510SHans Verkuil if (p->match.addr != idx++) 22973eef2510SHans Verkuil continue; 229879b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->s_register) 229979b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_WRITABLE; 230079b0c640SHans Verkuil if (sd->ops->core && sd->ops->core->g_register) 230179b0c640SHans Verkuil p->flags |= V4L2_CHIP_FL_READABLE; 230279b0c640SHans Verkuil strlcpy(p->name, sd->name, sizeof(p->name)); 230379b0c640SHans Verkuil return 0; 230479b0c640SHans Verkuil } 230579b0c640SHans Verkuil break; 230679b0c640SHans Verkuil } 230779b0c640SHans Verkuil return -EINVAL; 2308cd634f1bSHans Verkuil #else 2309cd634f1bSHans Verkuil return -ENOTTY; 2310cd634f1bSHans Verkuil #endif 231179b0c640SHans Verkuil } 231279b0c640SHans Verkuil 23135bc3cb74SMauro Carvalho Chehab static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, 23145bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23155bc3cb74SMauro Carvalho Chehab { 23165bc3cb74SMauro Carvalho Chehab return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK); 23175bc3cb74SMauro Carvalho Chehab } 23185bc3cb74SMauro Carvalho Chehab 23195bc3cb74SMauro Carvalho Chehab static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops, 23205bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23215bc3cb74SMauro Carvalho Chehab { 23225bc3cb74SMauro Carvalho Chehab return ops->vidioc_subscribe_event(fh, arg); 23235bc3cb74SMauro Carvalho Chehab } 23245bc3cb74SMauro Carvalho Chehab 23255bc3cb74SMauro Carvalho Chehab static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops, 23265bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23275bc3cb74SMauro Carvalho Chehab { 23285bc3cb74SMauro Carvalho Chehab return ops->vidioc_unsubscribe_event(fh, arg); 23295bc3cb74SMauro Carvalho Chehab } 23305bc3cb74SMauro Carvalho Chehab 23315bc3cb74SMauro Carvalho Chehab static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops, 23325bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23335bc3cb74SMauro Carvalho Chehab { 23345bc3cb74SMauro Carvalho Chehab struct v4l2_sliced_vbi_cap *p = arg; 23354b20259fSHans Verkuil int ret = check_fmt(file, p->type); 23364b20259fSHans Verkuil 23374b20259fSHans Verkuil if (ret) 23384b20259fSHans Verkuil return ret; 23395bc3cb74SMauro Carvalho Chehab 23405bc3cb74SMauro Carvalho Chehab /* Clear up to type, everything after type is zeroed already */ 23415bc3cb74SMauro Carvalho Chehab memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); 23425bc3cb74SMauro Carvalho Chehab 23435bc3cb74SMauro Carvalho Chehab return ops->vidioc_g_sliced_vbi_cap(file, fh, p); 23445bc3cb74SMauro Carvalho Chehab } 23455bc3cb74SMauro Carvalho Chehab 23465bc3cb74SMauro Carvalho Chehab static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, 23475bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *arg) 23485bc3cb74SMauro Carvalho Chehab { 23495bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 23505bc3cb74SMauro Carvalho Chehab struct v4l2_frequency_band *p = arg; 23515bc3cb74SMauro Carvalho Chehab enum v4l2_tuner_type type; 23525bc3cb74SMauro Carvalho Chehab int err; 23535bc3cb74SMauro Carvalho Chehab 235484099a28SAntti Palosaari if (vfd->vfl_type == VFL_TYPE_SDR) { 2355f3c3ececSAntti Palosaari if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF) 235684099a28SAntti Palosaari return -EINVAL; 235784099a28SAntti Palosaari type = p->type; 235884099a28SAntti Palosaari } else { 23595bc3cb74SMauro Carvalho Chehab type = (vfd->vfl_type == VFL_TYPE_RADIO) ? 23605bc3cb74SMauro Carvalho Chehab V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 23615bc3cb74SMauro Carvalho Chehab if (type != p->type) 23625bc3cb74SMauro Carvalho Chehab return -EINVAL; 236384099a28SAntti Palosaari } 2364a7f404afSHans Verkuil if (ops->vidioc_enum_freq_bands) { 2365a7f404afSHans Verkuil err = ops->vidioc_enum_freq_bands(file, fh, p); 2366a7f404afSHans Verkuil if (err != -ENOTTY) 2367a7f404afSHans Verkuil return err; 2368a7f404afSHans Verkuil } 236973f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_TUNER)) { 23705bc3cb74SMauro Carvalho Chehab struct v4l2_tuner t = { 23715bc3cb74SMauro Carvalho Chehab .index = p->tuner, 23725bc3cb74SMauro Carvalho Chehab .type = type, 23735bc3cb74SMauro Carvalho Chehab }; 23745bc3cb74SMauro Carvalho Chehab 237579e8c7beSMauro Carvalho Chehab if (p->index) 237679e8c7beSMauro Carvalho Chehab return -EINVAL; 23775bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_tuner(file, fh, &t); 23785bc3cb74SMauro Carvalho Chehab if (err) 23795bc3cb74SMauro Carvalho Chehab return err; 23805bc3cb74SMauro Carvalho Chehab p->capability = t.capability | V4L2_TUNER_CAP_FREQ_BANDS; 23815bc3cb74SMauro Carvalho Chehab p->rangelow = t.rangelow; 23825bc3cb74SMauro Carvalho Chehab p->rangehigh = t.rangehigh; 23835bc3cb74SMauro Carvalho Chehab p->modulation = (type == V4L2_TUNER_RADIO) ? 23845bc3cb74SMauro Carvalho Chehab V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; 23855bc3cb74SMauro Carvalho Chehab return 0; 23865bc3cb74SMauro Carvalho Chehab } 238773f35418SHans Verkuil if (is_valid_ioctl(vfd, VIDIOC_G_MODULATOR)) { 23885bc3cb74SMauro Carvalho Chehab struct v4l2_modulator m = { 23895bc3cb74SMauro Carvalho Chehab .index = p->tuner, 23905bc3cb74SMauro Carvalho Chehab }; 23915bc3cb74SMauro Carvalho Chehab 23925bc3cb74SMauro Carvalho Chehab if (type != V4L2_TUNER_RADIO) 23935bc3cb74SMauro Carvalho Chehab return -EINVAL; 239479e8c7beSMauro Carvalho Chehab if (p->index) 239579e8c7beSMauro Carvalho Chehab return -EINVAL; 23965bc3cb74SMauro Carvalho Chehab err = ops->vidioc_g_modulator(file, fh, &m); 23975bc3cb74SMauro Carvalho Chehab if (err) 23985bc3cb74SMauro Carvalho Chehab return err; 23995bc3cb74SMauro Carvalho Chehab p->capability = m.capability | V4L2_TUNER_CAP_FREQ_BANDS; 24005bc3cb74SMauro Carvalho Chehab p->rangelow = m.rangelow; 24015bc3cb74SMauro Carvalho Chehab p->rangehigh = m.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 } 24065bc3cb74SMauro Carvalho Chehab return -ENOTTY; 24075bc3cb74SMauro Carvalho Chehab } 24085bc3cb74SMauro Carvalho Chehab 24095bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info { 24105bc3cb74SMauro Carvalho Chehab unsigned int ioctl; 24115bc3cb74SMauro Carvalho Chehab u32 flags; 24125bc3cb74SMauro Carvalho Chehab const char * const name; 24135bc3cb74SMauro Carvalho Chehab union { 24145bc3cb74SMauro Carvalho Chehab u32 offset; 24155bc3cb74SMauro Carvalho Chehab int (*func)(const struct v4l2_ioctl_ops *ops, 24165bc3cb74SMauro Carvalho Chehab struct file *file, void *fh, void *p); 24175bc3cb74SMauro Carvalho Chehab } u; 24185bc3cb74SMauro Carvalho Chehab void (*debug)(const void *arg, bool write_only); 24195bc3cb74SMauro Carvalho Chehab }; 24205bc3cb74SMauro Carvalho Chehab 24215bc3cb74SMauro Carvalho Chehab /* This control needs a priority check */ 24225bc3cb74SMauro Carvalho Chehab #define INFO_FL_PRIO (1 << 0) 24235bc3cb74SMauro Carvalho Chehab /* This control can be valid if the filehandle passes a control handler. */ 24245bc3cb74SMauro Carvalho Chehab #define INFO_FL_CTRL (1 << 1) 24255bc3cb74SMauro Carvalho Chehab /* This is a standard ioctl, no need for special code */ 24265bc3cb74SMauro Carvalho Chehab #define INFO_FL_STD (1 << 2) 24275bc3cb74SMauro Carvalho Chehab /* This is ioctl has its own function */ 24285bc3cb74SMauro Carvalho Chehab #define INFO_FL_FUNC (1 << 3) 24295bc3cb74SMauro Carvalho Chehab /* Queuing ioctl */ 24305bc3cb74SMauro Carvalho Chehab #define INFO_FL_QUEUE (1 << 4) 24315bc3cb74SMauro Carvalho Chehab /* Zero struct from after the field to the end */ 24325bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR(v4l2_struct, field) \ 24335bc3cb74SMauro Carvalho Chehab ((offsetof(struct v4l2_struct, field) + \ 24345bc3cb74SMauro Carvalho Chehab sizeof(((struct v4l2_struct *)0)->field)) << 16) 24355bc3cb74SMauro Carvalho Chehab #define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) 24365bc3cb74SMauro Carvalho Chehab 24375bc3cb74SMauro Carvalho Chehab #define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \ 24385bc3cb74SMauro Carvalho Chehab [_IOC_NR(_ioctl)] = { \ 24395bc3cb74SMauro Carvalho Chehab .ioctl = _ioctl, \ 24405bc3cb74SMauro Carvalho Chehab .flags = _flags | INFO_FL_STD, \ 24415bc3cb74SMauro Carvalho Chehab .name = #_ioctl, \ 24425bc3cb74SMauro Carvalho Chehab .u.offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \ 24435bc3cb74SMauro Carvalho Chehab .debug = _debug, \ 24445bc3cb74SMauro Carvalho Chehab } 24455bc3cb74SMauro Carvalho Chehab 24465bc3cb74SMauro Carvalho Chehab #define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \ 24475bc3cb74SMauro Carvalho Chehab [_IOC_NR(_ioctl)] = { \ 24485bc3cb74SMauro Carvalho Chehab .ioctl = _ioctl, \ 24495bc3cb74SMauro Carvalho Chehab .flags = _flags | INFO_FL_FUNC, \ 24505bc3cb74SMauro Carvalho Chehab .name = #_ioctl, \ 24515bc3cb74SMauro Carvalho Chehab .u.func = _func, \ 24525bc3cb74SMauro Carvalho Chehab .debug = _debug, \ 24535bc3cb74SMauro Carvalho Chehab } 24545bc3cb74SMauro Carvalho Chehab 24555bc3cb74SMauro Carvalho Chehab static struct v4l2_ioctl_info v4l2_ioctls[] = { 24565bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), 24575bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)), 2458e5ce558aSHans Verkuil IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, 0), 24595bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), 24605bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), 24615bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), 24625bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), 24635bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), 2464737c097bSHans Verkuil IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), 24655bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), 2466b799d09aSTomasz Stanislawski IOCTL_INFO_STD(VIDIOC_EXPBUF, vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), 24675bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), 24685bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 24695bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), 24705bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), 24715bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), 2472ca371575SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_STD, vidioc_g_std, v4l_print_std, 0), 24735bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), 24745bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), 24755bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), 24765bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)), 24775bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), 24785bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), 24795bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), 24805bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), 24815bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), 24825bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), 24835bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), 24845bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0), 24855bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), 2486f9402a94SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_EDID, vidioc_g_edid, v4l_print_edid, 0), 2487f9402a94SHans Verkuil IOCTL_INFO_STD(VIDIOC_S_EDID, vidioc_s_edid, v4l_print_edid, INFO_FL_PRIO), 24885bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0), 24895bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), 24905bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), 24915bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), 24925bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), 24935bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), 24944124a3c4SAntti Palosaari IOCTL_INFO_FNC(VIDIOC_S_MODULATOR, v4l_s_modulator, v4l_print_modulator, INFO_FL_PRIO), 24955bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), 24965bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), 24975bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), 24985bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), 24995bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), 2500865c4642SHans Verkuil IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), 2501865c4642SHans Verkuil IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), 25025bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), 25035bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), 25045bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), 25055bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), 25065bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), 25075bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), 25085bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), 25095bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), 25105bc3cb74SMauro 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)), 25115bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0), 25125bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 25135bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), 25145bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), 25155bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), 25165bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), 25175bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0), 25185bc3cb74SMauro 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)), 25195bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), 25205bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), 25215bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), 25225bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), 25235bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), 25245bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), 25255bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO), 25265bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), 25275bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), 25285bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), 25295bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), 25305bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), 25315bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), 25325bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, 0), 25335bc3cb74SMauro Carvalho Chehab IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0), 25345bc3cb74SMauro 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)), 25355bc3cb74SMauro Carvalho Chehab IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), 253696b03d2aSHans 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)), 2537e6bee368SHans 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)), 25385bc3cb74SMauro Carvalho Chehab }; 25395bc3cb74SMauro Carvalho Chehab #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) 25405bc3cb74SMauro Carvalho Chehab 25415bc3cb74SMauro Carvalho Chehab bool v4l2_is_known_ioctl(unsigned int cmd) 25425bc3cb74SMauro Carvalho Chehab { 25435bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 25445bc3cb74SMauro Carvalho Chehab return false; 25455bc3cb74SMauro Carvalho Chehab return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd; 25465bc3cb74SMauro Carvalho Chehab } 25475bc3cb74SMauro Carvalho Chehab 25485bc3cb74SMauro Carvalho Chehab struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd) 25495bc3cb74SMauro Carvalho Chehab { 25505bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) 25515bc3cb74SMauro Carvalho Chehab return vdev->lock; 25525bc3cb74SMauro Carvalho Chehab if (test_bit(_IOC_NR(cmd), vdev->disable_locking)) 25535bc3cb74SMauro Carvalho Chehab return NULL; 25545bc3cb74SMauro Carvalho Chehab if (vdev->queue && vdev->queue->lock && 25555bc3cb74SMauro Carvalho Chehab (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) 25565bc3cb74SMauro Carvalho Chehab return vdev->queue->lock; 25575bc3cb74SMauro Carvalho Chehab return vdev->lock; 25585bc3cb74SMauro Carvalho Chehab } 25595bc3cb74SMauro Carvalho Chehab 25605bc3cb74SMauro Carvalho Chehab /* Common ioctl debug function. This function can be used by 25615bc3cb74SMauro Carvalho Chehab external ioctl messages as well as internal V4L ioctl */ 25625bc3cb74SMauro Carvalho Chehab void v4l_printk_ioctl(const char *prefix, unsigned int cmd) 25635bc3cb74SMauro Carvalho Chehab { 25645bc3cb74SMauro Carvalho Chehab const char *dir, *type; 25655bc3cb74SMauro Carvalho Chehab 25665bc3cb74SMauro Carvalho Chehab if (prefix) 25675bc3cb74SMauro Carvalho Chehab printk(KERN_DEBUG "%s: ", prefix); 25685bc3cb74SMauro Carvalho Chehab 25695bc3cb74SMauro Carvalho Chehab switch (_IOC_TYPE(cmd)) { 25705bc3cb74SMauro Carvalho Chehab case 'd': 25715bc3cb74SMauro Carvalho Chehab type = "v4l2_int"; 25725bc3cb74SMauro Carvalho Chehab break; 25735bc3cb74SMauro Carvalho Chehab case 'V': 25745bc3cb74SMauro Carvalho Chehab if (_IOC_NR(cmd) >= V4L2_IOCTLS) { 25755bc3cb74SMauro Carvalho Chehab type = "v4l2"; 25765bc3cb74SMauro Carvalho Chehab break; 25775bc3cb74SMauro Carvalho Chehab } 25785bc3cb74SMauro Carvalho Chehab pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name); 25795bc3cb74SMauro Carvalho Chehab return; 25805bc3cb74SMauro Carvalho Chehab default: 25815bc3cb74SMauro Carvalho Chehab type = "unknown"; 25825bc3cb74SMauro Carvalho Chehab break; 25835bc3cb74SMauro Carvalho Chehab } 25845bc3cb74SMauro Carvalho Chehab 25855bc3cb74SMauro Carvalho Chehab switch (_IOC_DIR(cmd)) { 25865bc3cb74SMauro Carvalho Chehab case _IOC_NONE: dir = "--"; break; 25875bc3cb74SMauro Carvalho Chehab case _IOC_READ: dir = "r-"; break; 25885bc3cb74SMauro Carvalho Chehab case _IOC_WRITE: dir = "-w"; break; 25895bc3cb74SMauro Carvalho Chehab case _IOC_READ | _IOC_WRITE: dir = "rw"; break; 25905bc3cb74SMauro Carvalho Chehab default: dir = "*ERR*"; break; 25915bc3cb74SMauro Carvalho Chehab } 25925bc3cb74SMauro Carvalho Chehab pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)", 25935bc3cb74SMauro Carvalho Chehab type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); 25945bc3cb74SMauro Carvalho Chehab } 25955bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(v4l_printk_ioctl); 25965bc3cb74SMauro Carvalho Chehab 25975bc3cb74SMauro Carvalho Chehab static long __video_do_ioctl(struct file *file, 25985bc3cb74SMauro Carvalho Chehab unsigned int cmd, void *arg) 25995bc3cb74SMauro Carvalho Chehab { 26005bc3cb74SMauro Carvalho Chehab struct video_device *vfd = video_devdata(file); 26015bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; 26025bc3cb74SMauro Carvalho Chehab bool write_only = false; 26035bc3cb74SMauro Carvalho Chehab struct v4l2_ioctl_info default_info; 26045bc3cb74SMauro Carvalho Chehab const struct v4l2_ioctl_info *info; 26055bc3cb74SMauro Carvalho Chehab void *fh = file->private_data; 26065bc3cb74SMauro Carvalho Chehab struct v4l2_fh *vfh = NULL; 260717028cdbSHans Verkuil int dev_debug = vfd->dev_debug; 26085bc3cb74SMauro Carvalho Chehab long ret = -ENOTTY; 26095bc3cb74SMauro Carvalho Chehab 26105bc3cb74SMauro Carvalho Chehab if (ops == NULL) { 26115bc3cb74SMauro Carvalho Chehab pr_warn("%s: has no ioctl_ops.\n", 26125bc3cb74SMauro Carvalho Chehab video_device_node_name(vfd)); 26135bc3cb74SMauro Carvalho Chehab return ret; 26145bc3cb74SMauro Carvalho Chehab } 26155bc3cb74SMauro Carvalho Chehab 2616b7284bb0SRamakrishnan Muthukrishnan if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) 26175bc3cb74SMauro Carvalho Chehab vfh = file->private_data; 26185bc3cb74SMauro Carvalho Chehab 26195bc3cb74SMauro Carvalho Chehab if (v4l2_is_known_ioctl(cmd)) { 26205bc3cb74SMauro Carvalho Chehab info = &v4l2_ioctls[_IOC_NR(cmd)]; 26215bc3cb74SMauro Carvalho Chehab 26225bc3cb74SMauro Carvalho Chehab if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) && 26235bc3cb74SMauro Carvalho Chehab !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler)) 26245bc3cb74SMauro Carvalho Chehab goto done; 26255bc3cb74SMauro Carvalho Chehab 2626b7284bb0SRamakrishnan Muthukrishnan if (vfh && (info->flags & INFO_FL_PRIO)) { 26275bc3cb74SMauro Carvalho Chehab ret = v4l2_prio_check(vfd->prio, vfh->prio); 26285bc3cb74SMauro Carvalho Chehab if (ret) 26295bc3cb74SMauro Carvalho Chehab goto done; 26305bc3cb74SMauro Carvalho Chehab } 26315bc3cb74SMauro Carvalho Chehab } else { 26325bc3cb74SMauro Carvalho Chehab default_info.ioctl = cmd; 26335bc3cb74SMauro Carvalho Chehab default_info.flags = 0; 26345bc3cb74SMauro Carvalho Chehab default_info.debug = v4l_print_default; 26355bc3cb74SMauro Carvalho Chehab info = &default_info; 26365bc3cb74SMauro Carvalho Chehab } 26375bc3cb74SMauro Carvalho Chehab 26385bc3cb74SMauro Carvalho Chehab write_only = _IOC_DIR(cmd) == _IOC_WRITE; 26395bc3cb74SMauro Carvalho Chehab if (info->flags & INFO_FL_STD) { 26405bc3cb74SMauro Carvalho Chehab typedef int (*vidioc_op)(struct file *file, void *fh, void *p); 26415bc3cb74SMauro Carvalho Chehab const void *p = vfd->ioctl_ops; 26425bc3cb74SMauro Carvalho Chehab const vidioc_op *vidioc = p + info->u.offset; 26435bc3cb74SMauro Carvalho Chehab 26445bc3cb74SMauro Carvalho Chehab ret = (*vidioc)(file, fh, arg); 26455bc3cb74SMauro Carvalho Chehab } else if (info->flags & INFO_FL_FUNC) { 26465bc3cb74SMauro Carvalho Chehab ret = info->u.func(ops, file, fh, arg); 26475bc3cb74SMauro Carvalho Chehab } else if (!ops->vidioc_default) { 26485bc3cb74SMauro Carvalho Chehab ret = -ENOTTY; 26495bc3cb74SMauro Carvalho Chehab } else { 26505bc3cb74SMauro Carvalho Chehab ret = ops->vidioc_default(file, fh, 2651b7284bb0SRamakrishnan Muthukrishnan vfh ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0, 26525bc3cb74SMauro Carvalho Chehab cmd, arg); 26535bc3cb74SMauro Carvalho Chehab } 26545bc3cb74SMauro Carvalho Chehab 26555bc3cb74SMauro Carvalho Chehab done: 265617028cdbSHans Verkuil if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) { 265717028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) && 265817028cdbSHans Verkuil (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) 265917028cdbSHans Verkuil return ret; 266017028cdbSHans Verkuil 26615bc3cb74SMauro Carvalho Chehab v4l_printk_ioctl(video_device_node_name(vfd), cmd); 26625bc3cb74SMauro Carvalho Chehab if (ret < 0) 2663505d04bdSHans Verkuil pr_cont(": error %ld", ret); 266417028cdbSHans Verkuil if (!(dev_debug & V4L2_DEV_DEBUG_IOCTL_ARG)) 26655bc3cb74SMauro Carvalho Chehab pr_cont("\n"); 26665bc3cb74SMauro Carvalho Chehab else if (_IOC_DIR(cmd) == _IOC_NONE) 26675bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 26685bc3cb74SMauro Carvalho Chehab else { 26695bc3cb74SMauro Carvalho Chehab pr_cont(": "); 26705bc3cb74SMauro Carvalho Chehab info->debug(arg, write_only); 26715bc3cb74SMauro Carvalho Chehab } 26725bc3cb74SMauro Carvalho Chehab } 26735bc3cb74SMauro Carvalho Chehab 26745bc3cb74SMauro Carvalho Chehab return ret; 26755bc3cb74SMauro Carvalho Chehab } 26765bc3cb74SMauro Carvalho Chehab 26775bc3cb74SMauro Carvalho Chehab static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, 2678ba2d35c1SHans Verkuil void __user **user_ptr, void ***kernel_ptr) 26795bc3cb74SMauro Carvalho Chehab { 26805bc3cb74SMauro Carvalho Chehab int ret = 0; 26815bc3cb74SMauro Carvalho Chehab 26825bc3cb74SMauro Carvalho Chehab switch (cmd) { 268396b1a702SHans Verkuil case VIDIOC_PREPARE_BUF: 26845bc3cb74SMauro Carvalho Chehab case VIDIOC_QUERYBUF: 26855bc3cb74SMauro Carvalho Chehab case VIDIOC_QBUF: 26865bc3cb74SMauro Carvalho Chehab case VIDIOC_DQBUF: { 26875bc3cb74SMauro Carvalho Chehab struct v4l2_buffer *buf = parg; 26885bc3cb74SMauro Carvalho Chehab 26895bc3cb74SMauro Carvalho Chehab if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { 26905bc3cb74SMauro Carvalho Chehab if (buf->length > VIDEO_MAX_PLANES) { 26915bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 26925bc3cb74SMauro Carvalho Chehab break; 26935bc3cb74SMauro Carvalho Chehab } 26945bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)buf->m.planes; 2695ba2d35c1SHans Verkuil *kernel_ptr = (void **)&buf->m.planes; 26965bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_plane) * buf->length; 26975bc3cb74SMauro Carvalho Chehab ret = 1; 26985bc3cb74SMauro Carvalho Chehab } 26995bc3cb74SMauro Carvalho Chehab break; 27005bc3cb74SMauro Carvalho Chehab } 27015bc3cb74SMauro Carvalho Chehab 2702dd519bb3SHans Verkuil case VIDIOC_G_EDID: 2703dd519bb3SHans Verkuil case VIDIOC_S_EDID: { 2704dd519bb3SHans Verkuil struct v4l2_edid *edid = parg; 2705ed45ce2cSHans Verkuil 2706ed45ce2cSHans Verkuil if (edid->blocks) { 27071b8b10ccSHans Verkuil if (edid->blocks > 256) { 27081b8b10ccSHans Verkuil ret = -EINVAL; 27091b8b10ccSHans Verkuil break; 27101b8b10ccSHans Verkuil } 2711ed45ce2cSHans Verkuil *user_ptr = (void __user *)edid->edid; 2712ba2d35c1SHans Verkuil *kernel_ptr = (void **)&edid->edid; 2713ed45ce2cSHans Verkuil *array_size = edid->blocks * 128; 2714ed45ce2cSHans Verkuil ret = 1; 2715ed45ce2cSHans Verkuil } 2716ed45ce2cSHans Verkuil break; 2717ed45ce2cSHans Verkuil } 2718ed45ce2cSHans Verkuil 27195bc3cb74SMauro Carvalho Chehab case VIDIOC_S_EXT_CTRLS: 27205bc3cb74SMauro Carvalho Chehab case VIDIOC_G_EXT_CTRLS: 27215bc3cb74SMauro Carvalho Chehab case VIDIOC_TRY_EXT_CTRLS: { 27225bc3cb74SMauro Carvalho Chehab struct v4l2_ext_controls *ctrls = parg; 27235bc3cb74SMauro Carvalho Chehab 27245bc3cb74SMauro Carvalho Chehab if (ctrls->count != 0) { 27255bc3cb74SMauro Carvalho Chehab if (ctrls->count > V4L2_CID_MAX_CTRLS) { 27265bc3cb74SMauro Carvalho Chehab ret = -EINVAL; 27275bc3cb74SMauro Carvalho Chehab break; 27285bc3cb74SMauro Carvalho Chehab } 27295bc3cb74SMauro Carvalho Chehab *user_ptr = (void __user *)ctrls->controls; 2730ba2d35c1SHans Verkuil *kernel_ptr = (void **)&ctrls->controls; 27315bc3cb74SMauro Carvalho Chehab *array_size = sizeof(struct v4l2_ext_control) 27325bc3cb74SMauro Carvalho Chehab * ctrls->count; 27335bc3cb74SMauro Carvalho Chehab ret = 1; 27345bc3cb74SMauro Carvalho Chehab } 27355bc3cb74SMauro Carvalho Chehab break; 27365bc3cb74SMauro Carvalho Chehab } 27375bc3cb74SMauro Carvalho Chehab } 27385bc3cb74SMauro Carvalho Chehab 27395bc3cb74SMauro Carvalho Chehab return ret; 27405bc3cb74SMauro Carvalho Chehab } 27415bc3cb74SMauro Carvalho Chehab 27425bc3cb74SMauro Carvalho Chehab long 27435bc3cb74SMauro Carvalho Chehab video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, 27445bc3cb74SMauro Carvalho Chehab v4l2_kioctl func) 27455bc3cb74SMauro Carvalho Chehab { 27465bc3cb74SMauro Carvalho Chehab char sbuf[128]; 27475bc3cb74SMauro Carvalho Chehab void *mbuf = NULL; 27485bc3cb74SMauro Carvalho Chehab void *parg = (void *)arg; 27495bc3cb74SMauro Carvalho Chehab long err = -EINVAL; 27505bc3cb74SMauro Carvalho Chehab bool has_array_args; 27515bc3cb74SMauro Carvalho Chehab size_t array_size = 0; 27525bc3cb74SMauro Carvalho Chehab void __user *user_ptr = NULL; 27535bc3cb74SMauro Carvalho Chehab void **kernel_ptr = NULL; 27545bc3cb74SMauro Carvalho Chehab 27555bc3cb74SMauro Carvalho Chehab /* Copy arguments into temp kernel buffer */ 27565bc3cb74SMauro Carvalho Chehab if (_IOC_DIR(cmd) != _IOC_NONE) { 27575bc3cb74SMauro Carvalho Chehab if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { 27585bc3cb74SMauro Carvalho Chehab parg = sbuf; 27595bc3cb74SMauro Carvalho Chehab } else { 27605bc3cb74SMauro Carvalho Chehab /* too big to allocate from stack */ 27615bc3cb74SMauro Carvalho Chehab mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); 27625bc3cb74SMauro Carvalho Chehab if (NULL == mbuf) 27635bc3cb74SMauro Carvalho Chehab return -ENOMEM; 27645bc3cb74SMauro Carvalho Chehab parg = mbuf; 27655bc3cb74SMauro Carvalho Chehab } 27665bc3cb74SMauro Carvalho Chehab 27675bc3cb74SMauro Carvalho Chehab err = -EFAULT; 27685bc3cb74SMauro Carvalho Chehab if (_IOC_DIR(cmd) & _IOC_WRITE) { 27695bc3cb74SMauro Carvalho Chehab unsigned int n = _IOC_SIZE(cmd); 27705bc3cb74SMauro Carvalho Chehab 27715bc3cb74SMauro Carvalho Chehab /* 27725bc3cb74SMauro Carvalho Chehab * In some cases, only a few fields are used as input, 27735bc3cb74SMauro Carvalho Chehab * i.e. when the app sets "index" and then the driver 27745bc3cb74SMauro Carvalho Chehab * fills in the rest of the structure for the thing 27755bc3cb74SMauro Carvalho Chehab * with that index. We only need to copy up the first 27765bc3cb74SMauro Carvalho Chehab * non-input field. 27775bc3cb74SMauro Carvalho Chehab */ 27785bc3cb74SMauro Carvalho Chehab if (v4l2_is_known_ioctl(cmd)) { 27795bc3cb74SMauro Carvalho Chehab u32 flags = v4l2_ioctls[_IOC_NR(cmd)].flags; 27805bc3cb74SMauro Carvalho Chehab if (flags & INFO_FL_CLEAR_MASK) 27815bc3cb74SMauro Carvalho Chehab n = (flags & INFO_FL_CLEAR_MASK) >> 16; 27825bc3cb74SMauro Carvalho Chehab } 27835bc3cb74SMauro Carvalho Chehab 27845bc3cb74SMauro Carvalho Chehab if (copy_from_user(parg, (void __user *)arg, n)) 27855bc3cb74SMauro Carvalho Chehab goto out; 27865bc3cb74SMauro Carvalho Chehab 27875bc3cb74SMauro Carvalho Chehab /* zero out anything we don't copy from userspace */ 27885bc3cb74SMauro Carvalho Chehab if (n < _IOC_SIZE(cmd)) 27895bc3cb74SMauro Carvalho Chehab memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); 27905bc3cb74SMauro Carvalho Chehab } else { 27915bc3cb74SMauro Carvalho Chehab /* read-only ioctl */ 27925bc3cb74SMauro Carvalho Chehab memset(parg, 0, _IOC_SIZE(cmd)); 27935bc3cb74SMauro Carvalho Chehab } 27945bc3cb74SMauro Carvalho Chehab } 27955bc3cb74SMauro Carvalho Chehab 27965bc3cb74SMauro Carvalho Chehab err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); 27975bc3cb74SMauro Carvalho Chehab if (err < 0) 27985bc3cb74SMauro Carvalho Chehab goto out; 27995bc3cb74SMauro Carvalho Chehab has_array_args = err; 28005bc3cb74SMauro Carvalho Chehab 28015bc3cb74SMauro Carvalho Chehab if (has_array_args) { 28025bc3cb74SMauro Carvalho Chehab /* 28035bc3cb74SMauro Carvalho Chehab * When adding new types of array args, make sure that the 28045bc3cb74SMauro Carvalho Chehab * parent argument to ioctl (which contains the pointer to the 28055bc3cb74SMauro Carvalho Chehab * array) fits into sbuf (so that mbuf will still remain 28065bc3cb74SMauro Carvalho Chehab * unused up to here). 28075bc3cb74SMauro Carvalho Chehab */ 28085bc3cb74SMauro Carvalho Chehab mbuf = kmalloc(array_size, GFP_KERNEL); 28095bc3cb74SMauro Carvalho Chehab err = -ENOMEM; 28105bc3cb74SMauro Carvalho Chehab if (NULL == mbuf) 28115bc3cb74SMauro Carvalho Chehab goto out_array_args; 28125bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28135bc3cb74SMauro Carvalho Chehab if (copy_from_user(mbuf, user_ptr, array_size)) 28145bc3cb74SMauro Carvalho Chehab goto out_array_args; 28155bc3cb74SMauro Carvalho Chehab *kernel_ptr = mbuf; 28165bc3cb74SMauro Carvalho Chehab } 28175bc3cb74SMauro Carvalho Chehab 28185bc3cb74SMauro Carvalho Chehab /* Handles IOCTL */ 28195bc3cb74SMauro Carvalho Chehab err = func(file, cmd, parg); 28205bc3cb74SMauro Carvalho Chehab if (err == -ENOIOCTLCMD) 28215bc3cb74SMauro Carvalho Chehab err = -ENOTTY; 2822aa32f4c0SHans Verkuil if (err == 0) { 2823aa32f4c0SHans Verkuil if (cmd == VIDIOC_DQBUF) 2824aa32f4c0SHans Verkuil trace_v4l2_dqbuf(video_devdata(file)->minor, parg); 2825aa32f4c0SHans Verkuil else if (cmd == VIDIOC_QBUF) 2826aa32f4c0SHans Verkuil trace_v4l2_qbuf(video_devdata(file)->minor, parg); 2827aa32f4c0SHans Verkuil } 28285bc3cb74SMauro Carvalho Chehab 28295bc3cb74SMauro Carvalho Chehab if (has_array_args) { 2830ba2d35c1SHans Verkuil *kernel_ptr = (void __force *)user_ptr; 28315bc3cb74SMauro Carvalho Chehab if (copy_to_user(user_ptr, mbuf, array_size)) 28325bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28335bc3cb74SMauro Carvalho Chehab goto out_array_args; 28345bc3cb74SMauro Carvalho Chehab } 28355bc3cb74SMauro Carvalho Chehab /* VIDIOC_QUERY_DV_TIMINGS can return an error, but still have valid 28365bc3cb74SMauro Carvalho Chehab results that must be returned. */ 28375bc3cb74SMauro Carvalho Chehab if (err < 0 && cmd != VIDIOC_QUERY_DV_TIMINGS) 28385bc3cb74SMauro Carvalho Chehab goto out; 28395bc3cb74SMauro Carvalho Chehab 28405bc3cb74SMauro Carvalho Chehab out_array_args: 28415bc3cb74SMauro Carvalho Chehab /* Copy results into user buffer */ 28425bc3cb74SMauro Carvalho Chehab switch (_IOC_DIR(cmd)) { 28435bc3cb74SMauro Carvalho Chehab case _IOC_READ: 28445bc3cb74SMauro Carvalho Chehab case (_IOC_WRITE | _IOC_READ): 28455bc3cb74SMauro Carvalho Chehab if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) 28465bc3cb74SMauro Carvalho Chehab err = -EFAULT; 28475bc3cb74SMauro Carvalho Chehab break; 28485bc3cb74SMauro Carvalho Chehab } 28495bc3cb74SMauro Carvalho Chehab 28505bc3cb74SMauro Carvalho Chehab out: 28515bc3cb74SMauro Carvalho Chehab kfree(mbuf); 28525bc3cb74SMauro Carvalho Chehab return err; 28535bc3cb74SMauro Carvalho Chehab } 28545bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(video_usercopy); 28555bc3cb74SMauro Carvalho Chehab 28565bc3cb74SMauro Carvalho Chehab long video_ioctl2(struct file *file, 28575bc3cb74SMauro Carvalho Chehab unsigned int cmd, unsigned long arg) 28585bc3cb74SMauro Carvalho Chehab { 28595bc3cb74SMauro Carvalho Chehab return video_usercopy(file, cmd, arg, __video_do_ioctl); 28605bc3cb74SMauro Carvalho Chehab } 28615bc3cb74SMauro Carvalho Chehab EXPORT_SYMBOL(video_ioctl2); 2862