/* * Video for Linux Two * * A generic video device interface for the LINUX operating system * using a set of device structures/vectors for low level operations. * * This file replaces the videodev.c file that comes with the * regular kernel distribution. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Author: Bill Dirks <bdirks@pacbell.net> * based on code by Alan Cox, <alan@cymru.net> * */ /* * Video capture interface for Linux * * A generic video device interface for the LINUX operating system * using a set of device structures/vectors for low level operations. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Author: Alan Cox, <alan@redhat.com> * * Fixes: */ /* * Video4linux 1/2 integration by Justin Schoeman * <justin@suntiger.ee.up.ac.za> * 2.4 PROCFS support ported from 2.4 kernels by * I�aki Garc�a Etxebarria <garetxe@euskalnet.net> * Makefile fix by "W. Michael Petullo" <mike@flyn.org> * 2.4 devfs support ported from 2.4 kernels by * Dan Merillat <dan@merillat.org> * Added Gerd Knorrs v4l1 enhancements (Justin Schoeman) */ #include <linux/config.h> #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/errno.h> #include <asm/uaccess.h> #include <asm/system.h> #include <asm/pgtable.h> #include <asm/io.h> #include <asm/div64.h> #include <linux/video_decoder.h> #include <media/v4l2-common.h> #ifdef CONFIG_KMOD #include <linux/kmod.h> #endif #if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE) #include <linux/ust.h> #endif #include <linux/videodev.h> MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr"); MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers"); MODULE_LICENSE("GPL"); /* * * V 4 L 2 D R I V E R H E L P E R A P I * */ /* * Video Standard Operations (contributed by Michael Schimek) */ /* Fill in the fields of a v4l2_standard structure according to the 'id' and 'transmission' parameters. Returns negative on error. */ int v4l2_video_std_construct(struct v4l2_standard *vs, int id, char *name) { u32 index = vs->index; memset(vs, 0, sizeof(struct v4l2_standard)); vs->index = index; vs->id = id; if (id & V4L2_STD_525_60) { vs->frameperiod.numerator = 1001; vs->frameperiod.denominator = 30000; vs->framelines = 525; } else { vs->frameperiod.numerator = 1; vs->frameperiod.denominator = 25; vs->framelines = 625; } strlcpy(vs->name,name,sizeof(vs->name)); return 0; } /* ----------------------------------------------------------------- */ /* priority handling */ #define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND || \ val == V4L2_PRIORITY_INTERACTIVE || \ val == V4L2_PRIORITY_RECORD) int v4l2_prio_init(struct v4l2_prio_state *global) { memset(global,0,sizeof(*global)); return 0; } int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, enum v4l2_priority new) { if (!V4L2_PRIO_VALID(new)) return -EINVAL; if (*local == new) return 0; atomic_inc(&global->prios[new]); if (V4L2_PRIO_VALID(*local)) atomic_dec(&global->prios[*local]); *local = new; return 0; } int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local) { return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT); } int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local) { if (V4L2_PRIO_VALID(*local)) atomic_dec(&global->prios[*local]); return 0; } enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global) { if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0) return V4L2_PRIORITY_RECORD; if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0) return V4L2_PRIORITY_INTERACTIVE; if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0) return V4L2_PRIORITY_BACKGROUND; return V4L2_PRIORITY_UNSET; } int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local) { if (*local < v4l2_prio_max(global)) return -EBUSY; return 0; } /* ----------------------------------------------------------------- */ /* some arrays for pretty-printing debug messages of enum types */ char *v4l2_field_names[] = { [V4L2_FIELD_ANY] = "any", [V4L2_FIELD_NONE] = "none", [V4L2_FIELD_TOP] = "top", [V4L2_FIELD_BOTTOM] = "bottom", [V4L2_FIELD_INTERLACED] = "interlaced", [V4L2_FIELD_SEQ_TB] = "seq-tb", [V4L2_FIELD_SEQ_BT] = "seq-bt", [V4L2_FIELD_ALTERNATE] = "alternate", }; char *v4l2_type_names[] = { [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap", [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over", [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out", [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", }; static char *v4l2_memory_names[] = { [V4L2_MEMORY_MMAP] = "mmap", [V4L2_MEMORY_USERPTR] = "userptr", [V4L2_MEMORY_OVERLAY] = "overlay", }; #define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown" /* ------------------------------------------------------------------ */ /* debug help functions */ #ifdef HAVE_V4L1 static const char *v4l1_ioctls[] = { [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" }; #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) #endif static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", [_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP", [_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP", [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", #if 1 [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", #endif [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS" }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) static const char *v4l2_int_ioctls[] = { #ifdef HAVE_VIDEO_DECODER [_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES", [_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS", [_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM", [_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT", [_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT", [_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT", [_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE", [_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO", [_IOC_NR(DECODER_INIT)] = "DECODER_INIT", [_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS", [_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP", #endif [_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO", [_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR", [_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY", [_IOC_NR(TDA9887_SET_CONFIG)] = "TDA9887_SET_CONFIG", [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE", [_IOC_NR(VIDIOC_INT_S_REGISTER)] = "VIDIOC_INT_S_REGISTER", [_IOC_NR(VIDIOC_INT_G_REGISTER)] = "VIDIOC_INT_G_REGISTER", [_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET", [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ", [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE", [_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA", [_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA", [_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)] = "VIDIOC_INT_G_CHIP_IDENT", [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ", [_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY", [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING", [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING", [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING", [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING" }; #define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls) static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt) { printk ("%s: width=%d, height=%d, format=%d, field=%s, " "bytesperline=%d sizeimage=%d, colorspace=%d\n", s, fmt->width,fmt->height,fmt->pixelformat, prt_names(fmt->field,v4l2_field_names), fmt->bytesperline,fmt->sizeimage,fmt->colorspace); }; /* Common ioctl debug function. This function can be used by external ioctl messages as well as internal V4L ioctl */ void v4l_printk_ioctl(unsigned int cmd) { char *dir; switch (_IOC_DIR(cmd)) { case _IOC_NONE: dir = "--"; break; case _IOC_READ: dir = "r-"; break; case _IOC_WRITE: dir = "-w"; break; case _IOC_READ | _IOC_WRITE: dir = "rw"; break; default: dir = "*ERR*"; break; } switch (_IOC_TYPE(cmd)) { case 'd': printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n", (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ? v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); break; #ifdef HAVE_V4L1 case 'v': printk("v4l1 ioctl %s, dir=%s (0x%08x)\n", (_IOC_NR(cmd) < V4L1_IOCTLS) ? v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); break; #endif case 'V': printk("v4l2 ioctl %s, dir=%s (0x%08x)\n", (_IOC_NR(cmd) < V4L2_IOCTLS) ? v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); break; default: printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n", _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); } } /* Common ioctl debug function. This function can be used by external ioctl messages as well as internal V4L ioctl and its arguments */ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) { printk(s); printk(": "); v4l_printk_ioctl(cmd); switch (cmd) { case VIDIOC_INT_G_CHIP_IDENT: { enum v4l2_chip_ident *p=arg; printk ("%s: chip ident=%d\n", s, *p); break; } case VIDIOC_G_PRIORITY: case VIDIOC_S_PRIORITY: { enum v4l2_priority *p=arg; printk ("%s: priority=%d\n", s, *p); break; } case VIDIOC_INT_S_TUNER_MODE: { enum v4l2_tuner_type *p=arg; printk ("%s: tuner type=%d\n", s, *p); break; } case DECODER_SET_VBI_BYPASS: case DECODER_ENABLE_OUTPUT: case DECODER_GET_STATUS: case DECODER_SET_OUTPUT: case DECODER_SET_INPUT: case DECODER_SET_GPIO: case DECODER_SET_NORM: case VIDIOCCAPTURE: case VIDIOCSYNC: case VIDIOCSWRITEMODE: case TUNER_SET_TYPE_ADDR: case TUNER_SET_STANDBY: case TDA9887_SET_CONFIG: case VIDIOC_OVERLAY_OLD: case VIDIOC_STREAMOFF: case VIDIOC_G_OUTPUT: case VIDIOC_S_OUTPUT: case VIDIOC_STREAMON: case VIDIOC_G_INPUT: case VIDIOC_OVERLAY: case VIDIOC_S_INPUT: { int *p=arg; printk ("%s: value=%d\n", s, *p); break; } case VIDIOC_G_AUDIO: case VIDIOC_S_AUDIO: case VIDIOC_ENUMAUDIO: case VIDIOC_G_AUDIO_OLD: { struct v4l2_audio *p=arg; printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,p->index, p->name,p->capability, p->mode); break; } case VIDIOC_G_AUDOUT: case VIDIOC_S_AUDOUT: case VIDIOC_ENUMAUDOUT: case VIDIOC_G_AUDOUT_OLD: { struct v4l2_audioout *p=arg; printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s, p->index, p->name, p->capability,p->mode); break; } case VIDIOC_QBUF: case VIDIOC_DQBUF: case VIDIOC_QUERYBUF: { struct v4l2_buffer *p=arg; struct v4l2_timecode *tc=&p->timecode; printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, " "bytesused=%d, flags=0x%08x, " "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n", s, (p->timestamp.tv_sec/3600), (int)(p->timestamp.tv_sec/60)%60, (int)(p->timestamp.tv_sec%60), p->timestamp.tv_usec, p->index, prt_names(p->type,v4l2_type_names), p->bytesused,p->flags, p->field,p->sequence, prt_names(p->memory,v4l2_memory_names), p->m.userptr); printk ("%s: timecode= %02d:%02d:%02d type=%d, " "flags=0x%08x, frames=%d, userbits=0x%p\n", s,tc->hours,tc->minutes,tc->seconds, tc->type, tc->flags, tc->frames, tc->userbits); break; } case VIDIOC_QUERYCAP: { struct v4l2_capability *p=arg; printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, " "capabilities=0x%08x\n", s, p->driver,p->card,p->bus_info, p->version, p->capabilities); break; } case VIDIOC_G_CTRL: case VIDIOC_S_CTRL: case VIDIOC_S_CTRL_OLD: { struct v4l2_control *p=arg; printk ("%s: id=%d, value=%d\n", s, p->id, p->value); break; } case VIDIOC_G_CROP: case VIDIOC_S_CROP: { struct v4l2_crop *p=arg; /*FIXME: Should also show rect structs */ printk ("%s: type=%d\n", s, p->type); break; } case VIDIOC_CROPCAP: case VIDIOC_CROPCAP_OLD: { struct v4l2_cropcap *p=arg; /*FIXME: Should also show rect structs */ printk ("%s: type=%d\n", s, p->type); break; } case VIDIOC_INT_DECODE_VBI_LINE: { struct v4l2_decode_vbi_line *p=arg; printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, " "type=%d\n", s, p->is_second_field,(unsigned long)p->p,p->line,p->type); break; } case VIDIOC_ENUM_FMT: { struct v4l2_fmtdesc *p=arg; printk ("%s: index=%d, type=%d, flags=%d, description=%s," " pixelformat=%d\n", s, p->index, p->type, p->flags,p->description, p->pixelformat); break; } case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: { struct v4l2_format *p=arg; printk ("%s: type=%s\n", s, prt_names(p->type,v4l2_type_names)); switch (p->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: v4l_print_pix_fmt (s, &p->fmt.pix); break; default: break; } } case VIDIOC_G_FBUF: case VIDIOC_S_FBUF: { struct v4l2_framebuffer *p=arg; printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s, p->capability,p->flags, (unsigned long)p->base); v4l_print_pix_fmt (s, &p->fmt); break; } case VIDIOC_G_FREQUENCY: case VIDIOC_S_FREQUENCY: { struct v4l2_frequency *p=arg; printk ("%s: tuner=%d, type=%d, frequency=%d\n", s, p->tuner,p->type,p->frequency); break; } case VIDIOC_ENUMINPUT: { struct v4l2_input *p=arg; printk ("%s: index=%d, name=%s, type=%d, audioset=%d, " "tuner=%d, std=%Ld, status=%d\n", s, p->index,p->name,p->type,p->audioset, p->tuner, (unsigned long long)p->std, p->status); break; } case VIDIOC_G_JPEGCOMP: case VIDIOC_S_JPEGCOMP: { struct v4l2_jpegcompression *p=arg; printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d," " jpeg_markers=%d\n", s, p->quality,p->APPn,p->APP_len, p->COM_len,p->jpeg_markers); break; } case VIDIOC_G_MODULATOR: case VIDIOC_S_MODULATOR: { struct v4l2_modulator *p=arg; printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d," " rangehigh=%d, txsubchans=%d\n", s, p->index, p->name,p->capability,p->rangelow, p->rangehigh,p->txsubchans); break; } case VIDIOC_G_MPEGCOMP: case VIDIOC_S_MPEGCOMP: { struct v4l2_mpeg_compression *p=arg; /*FIXME: Several fields not shown */ printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, " "ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, " "au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, " "vi_bframes_count=%d, vi_pesid=%c\n", s, p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video, p->ts_pid_pcr, p->ps_size, p->au_sample_rate, p->au_pesid, p->vi_frame_rate, p->vi_frames_per_gop, p->vi_bframes_count, p->vi_pesid); break; } case VIDIOC_ENUMOUTPUT: { struct v4l2_output *p=arg; printk ("%s: index=%d, name=%s,type=%d, audioset=%d, " "modulator=%d, std=%Ld\n", s,p->index,p->name,p->type,p->audioset, p->modulator, (unsigned long long)p->std); break; } case VIDIOC_QUERYCTRL: { struct v4l2_queryctrl *p=arg; printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d," " step=%d, default=%d, flags=0x%08x\n", s, p->id,p->type,p->name,p->minimum,p->maximum, p->step,p->default_value,p->flags); break; } case VIDIOC_QUERYMENU: { struct v4l2_querymenu *p=arg; printk ("%s: id=%d, index=%d, name=%s\n", s, p->id,p->index,p->name); break; } case VIDIOC_INT_G_REGISTER: case VIDIOC_INT_S_REGISTER: { struct v4l2_register *p=arg; printk ("%s: i2c_id=%d, reg=%lu, val=%d\n", s, p->i2c_id,p->reg,p->val); break; } case VIDIOC_REQBUFS: { struct v4l2_requestbuffers *p=arg; printk ("%s: count=%d, type=%s, memory=%s\n", s, p->count, prt_names(p->type,v4l2_type_names), prt_names(p->memory,v4l2_memory_names)); break; } case VIDIOC_INT_S_AUDIO_ROUTING: case VIDIOC_INT_S_VIDEO_ROUTING: case VIDIOC_INT_G_AUDIO_ROUTING: case VIDIOC_INT_G_VIDEO_ROUTING: { struct v4l2_routing *p=arg; printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output); break; } case VIDIOC_G_SLICED_VBI_CAP: { struct v4l2_sliced_vbi_cap *p=arg; printk ("%s: service_set=%d\n", s, p->service_set); break; } case VIDIOC_INT_S_VBI_DATA: case VIDIOC_INT_G_VBI_DATA: { struct v4l2_sliced_vbi_data *p=arg; printk ("%s: id=%d, field=%d, line=%d\n", s, p->id, p->field, p->line); break; } case VIDIOC_ENUMSTD: { struct v4l2_standard *p=arg; printk ("%s: index=%d, id=%Ld, name=%s, fps=%d/%d, " "framelines=%d\n", s, p->index, (unsigned long long)p->id, p->name, p->frameperiod.numerator, p->frameperiod.denominator, p->framelines); break; } case VIDIOC_G_PARM: case VIDIOC_S_PARM: case VIDIOC_S_PARM_OLD: { struct v4l2_streamparm *p=arg; printk ("%s: type=%d\n", s, p->type); break; } case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: { struct v4l2_tuner *p=arg; printk ("%s: index=%d, name=%s, type=%d, capability=%d, " "rangelow=%d, rangehigh=%d, signal=%d, afc=%d, " "rxsubchans=%d, audmode=%d\n", s, p->index, p->name, p->type, p->capability, p->rangelow,p->rangehigh, p->rxsubchans, p->audmode, p->signal, p->afc); break; } case VIDIOCGVBIFMT: case VIDIOCSVBIFMT: { struct vbi_format *p=arg; printk ("%s: sampling_rate=%d, samples_per_line=%d, " "sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s, p->sampling_rate,p->samples_per_line, p->sample_format,p->start[0],p->start[1], p->count[0],p->count[1],p->flags); break; } case VIDIOCGAUDIO: case VIDIOCSAUDIO: { struct video_audio *p=arg; printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, " "flags=%d, name=%s, mode=%d, balance=%d, step=%d\n", s,p->audio,p->volume,p->bass, p->treble, p->flags,p->name,p->mode,p->balance,p->step); break; } case VIDIOCGFBUF: case VIDIOCSFBUF: { struct video_buffer *p=arg; printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, " "bytesperline=%d\n", s, (unsigned long) p->base, p->height, p->width, p->depth,p->bytesperline); break; } case VIDIOCGCAP: { struct video_capability *p=arg; printk ("%s: name=%s, type=%d, channels=%d, audios=%d, " "maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n", s,p->name,p->type,p->channels,p->audios, p->maxwidth,p->maxheight,p->minwidth, p->minheight); break; } case VIDIOCGCAPTURE: case VIDIOCSCAPTURE: { struct video_capture *p=arg; printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d," " flags=%d\n", s, p->x, p->y,p->width, p->height, p->decimation,p->flags); break; } case VIDIOCGCHAN: case VIDIOCSCHAN: { struct video_channel *p=arg; printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, " "type=%d, norm=%d\n", s, p->channel,p->name,p->tuners, p->flags,p->type,p->norm); break; } case VIDIOCSMICROCODE: { struct video_code *p=arg; printk ("%s: loadwhat=%s, datasize=%d\n", s, p->loadwhat,p->datasize); break; } case DECODER_GET_CAPABILITIES: { struct video_decoder_capability *p=arg; printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s, p->flags,p->inputs,p->outputs); break; } case DECODER_INIT: { struct video_decoder_init *p=arg; printk ("%s: len=%c\n", s, p->len); break; } case VIDIOCGPLAYINFO: { struct video_info *p=arg; printk ("%s: frame_count=%d, h_size=%d, v_size=%d, " "smpte_timecode=%d, picture_type=%d, " "temporal_reference=%d, user_data=%s\n", s, p->frame_count, p->h_size, p->v_size, p->smpte_timecode, p->picture_type, p->temporal_reference, p->user_data); break; } case VIDIOCKEY: { struct video_key *p=arg; printk ("%s: key=%s, flags=%d\n", s, p->key, p->flags); break; } case VIDIOCGMBUF: { struct video_mbuf *p=arg; printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s, p->size, p->frames, (unsigned long)p->offsets); break; } case VIDIOCMCAPTURE: { struct video_mmap *p=arg; printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s, p->frame, p->height, p->width, p->format); break; } case VIDIOCGPICT: case VIDIOCSPICT: case DECODER_SET_PICTURE: { struct video_picture *p=arg; printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d," " whiteness=%d, depth=%d, palette=%d\n", s, p->brightness, p->hue, p->colour, p->contrast, p->whiteness, p->depth, p->palette); break; } case VIDIOCSPLAYMODE: { struct video_play_mode *p=arg; printk ("%s: mode=%d, p1=%d, p2=%d\n", s, p->mode,p->p1,p->p2); break; } case VIDIOCGTUNER: case VIDIOCSTUNER: { struct video_tuner *p=arg; printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, " "flags=%d, mode=%d, signal=%d\n", s, p->tuner, p->name,p->rangelow, p->rangehigh, p->flags,p->mode, p->signal); break; } case VIDIOCGUNIT: { struct video_unit *p=arg; printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, " "teletext=%d\n", s, p->video,p->vbi,p->radio,p->audio,p->teletext); break; } case VIDIOCGWIN: case VIDIOCSWIN: { struct video_window *p=arg; printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d," " flags=%d, clipcount=%d\n", s, p->x, p->y,p->width, p->height, p->chromakey,p->flags, p->clipcount); break; } case VIDIOC_INT_AUDIO_CLOCK_FREQ: case VIDIOC_INT_I2S_CLOCK_FREQ: case VIDIOC_INT_S_STANDBY: { u32 *p=arg; printk ("%s: value=%d\n", s, *p); break; } case VIDIOCGFREQ: case VIDIOCSFREQ: { unsigned long *p=arg; printk ("%s: value=%lu\n", s, *p); break; } case VIDIOC_G_STD: case VIDIOC_S_STD: case VIDIOC_QUERYSTD: { v4l2_std_id *p=arg; printk ("%s: value=%Lu\n", s, (unsigned long long)*p); break; } } } /* ----------------------------------------------------------------- */ EXPORT_SYMBOL(v4l2_video_std_construct); EXPORT_SYMBOL(v4l2_prio_init); EXPORT_SYMBOL(v4l2_prio_change); EXPORT_SYMBOL(v4l2_prio_open); EXPORT_SYMBOL(v4l2_prio_close); EXPORT_SYMBOL(v4l2_prio_max); EXPORT_SYMBOL(v4l2_prio_check); EXPORT_SYMBOL(v4l2_field_names); EXPORT_SYMBOL(v4l2_type_names); EXPORT_SYMBOL(v4l_printk_ioctl); EXPORT_SYMBOL(v4l_printk_ioctl_arg); /* * Local variables: * c-basic-offset: 8 * End: */