mirror of https://gitee.com/openkylin/linux.git
931 lines
26 KiB
C
931 lines
26 KiB
C
/*
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* Video for Linux Two
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*
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* A generic video device interface for the LINUX operating system
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* using a set of device structures/vectors for low level operations.
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*
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* This file replaces the videodev.c file that comes with the
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* regular kernel distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Author: Bill Dirks <bdirks@pacbell.net>
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* based on code by Alan Cox, <alan@cymru.net>
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*
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*/
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/*
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* Video capture interface for Linux
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*
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* A generic video device interface for the LINUX operating system
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* using a set of device structures/vectors for low level operations.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Author: Alan Cox, <alan@redhat.com>
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*
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* Fixes:
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*/
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/*
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* Video4linux 1/2 integration by Justin Schoeman
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* <justin@suntiger.ee.up.ac.za>
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* 2.4 PROCFS support ported from 2.4 kernels by
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* Iñaki García Etxebarria <garetxe@euskalnet.net>
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* Makefile fix by "W. Michael Petullo" <mike@flyn.org>
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* 2.4 devfs support ported from 2.4 kernels by
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* Dan Merillat <dan@merillat.org>
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* Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/smp_lock.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <asm/uaccess.h>
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#include <asm/system.h>
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#include <asm/pgtable.h>
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#include <asm/io.h>
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#include <asm/div64.h>
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#include <linux/video_decoder.h>
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#include <media/v4l2-common.h>
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#ifdef CONFIG_KMOD
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#include <linux/kmod.h>
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#endif
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#if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE)
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#include <linux/ust.h>
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#endif
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#include <linux/videodev.h>
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MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
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MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
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MODULE_LICENSE("GPL");
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/*
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*
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* V 4 L 2 D R I V E R H E L P E R A P I
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*
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*/
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/*
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* Video Standard Operations (contributed by Michael Schimek)
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*/
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/* Fill in the fields of a v4l2_standard structure according to the
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'id' and 'transmission' parameters. Returns negative on error. */
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int v4l2_video_std_construct(struct v4l2_standard *vs,
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int id, char *name)
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{
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u32 index = vs->index;
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memset(vs, 0, sizeof(struct v4l2_standard));
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vs->index = index;
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vs->id = id;
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if (id & V4L2_STD_525_60) {
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vs->frameperiod.numerator = 1001;
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vs->frameperiod.denominator = 30000;
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vs->framelines = 525;
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} else {
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vs->frameperiod.numerator = 1;
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vs->frameperiod.denominator = 25;
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vs->framelines = 625;
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}
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strlcpy(vs->name,name,sizeof(vs->name));
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return 0;
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}
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/* ----------------------------------------------------------------- */
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/* priority handling */
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#define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND || \
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val == V4L2_PRIORITY_INTERACTIVE || \
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val == V4L2_PRIORITY_RECORD)
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int v4l2_prio_init(struct v4l2_prio_state *global)
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{
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memset(global,0,sizeof(*global));
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return 0;
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}
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int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
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enum v4l2_priority new)
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{
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if (!V4L2_PRIO_VALID(new))
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return -EINVAL;
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if (*local == new)
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return 0;
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atomic_inc(&global->prios[new]);
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if (V4L2_PRIO_VALID(*local))
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atomic_dec(&global->prios[*local]);
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*local = new;
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return 0;
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}
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int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
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}
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int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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if (V4L2_PRIO_VALID(*local))
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atomic_dec(&global->prios[*local]);
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return 0;
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}
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enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
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{
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if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0)
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return V4L2_PRIORITY_RECORD;
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if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0)
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return V4L2_PRIORITY_INTERACTIVE;
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if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0)
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return V4L2_PRIORITY_BACKGROUND;
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return V4L2_PRIORITY_UNSET;
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}
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int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
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{
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if (*local < v4l2_prio_max(global))
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return -EBUSY;
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return 0;
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}
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/* ----------------------------------------------------------------- */
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/* some arrays for pretty-printing debug messages of enum types */
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char *v4l2_field_names[] = {
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[V4L2_FIELD_ANY] = "any",
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[V4L2_FIELD_NONE] = "none",
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[V4L2_FIELD_TOP] = "top",
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[V4L2_FIELD_BOTTOM] = "bottom",
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[V4L2_FIELD_INTERLACED] = "interlaced",
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[V4L2_FIELD_SEQ_TB] = "seq-tb",
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[V4L2_FIELD_SEQ_BT] = "seq-bt",
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[V4L2_FIELD_ALTERNATE] = "alternate",
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};
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char *v4l2_type_names[] = {
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[V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
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[V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
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[V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out",
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[V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap",
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[V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
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};
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static char *v4l2_memory_names[] = {
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[V4L2_MEMORY_MMAP] = "mmap",
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[V4L2_MEMORY_USERPTR] = "userptr",
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[V4L2_MEMORY_OVERLAY] = "overlay",
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};
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#define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
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/* ------------------------------------------------------------------ */
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/* debug help functions */
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#ifdef HAVE_V4L1
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static const char *v4l1_ioctls[] = {
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[_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP",
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[_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN",
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[_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN",
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[_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER",
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[_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER",
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[_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT",
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[_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT",
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[_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE",
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[_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN",
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[_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN",
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[_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF",
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[_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF",
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[_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY",
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[_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ",
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[_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ",
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[_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO",
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[_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO",
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[_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC",
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[_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE",
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[_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF",
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[_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT",
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[_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE",
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[_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE",
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[_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE",
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[_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
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[_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO",
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[_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
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[_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT",
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[_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT"
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};
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#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
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#endif
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static const char *v4l2_ioctls[] = {
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[_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP",
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[_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED",
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[_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT",
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[_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT",
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[_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT",
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[_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP",
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[_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP",
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[_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS",
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[_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF",
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[_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF",
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[_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF",
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[_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY",
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[_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF",
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[_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF",
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[_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON",
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[_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF",
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[_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM",
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[_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM",
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[_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD",
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[_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD",
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[_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD",
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[_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT",
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[_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL",
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[_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL",
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[_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER",
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[_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER",
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[_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO",
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[_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO",
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[_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL",
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[_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU",
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[_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT",
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[_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT",
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[_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT",
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[_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT",
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[_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT",
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[_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT",
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[_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT",
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[_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR",
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[_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR",
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[_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY",
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[_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY",
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[_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP",
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[_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP",
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[_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP",
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[_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP",
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[_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP",
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[_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD",
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[_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT",
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[_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO",
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[_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT",
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[_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY",
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[_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY",
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#if 1
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[_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
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#endif
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[_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS"
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};
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#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
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static const char *v4l2_int_ioctls[] = {
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#ifdef HAVE_VIDEO_DECODER
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[_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES",
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[_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS",
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[_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM",
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[_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT",
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[_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT",
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[_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT",
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[_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE",
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[_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO",
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[_IOC_NR(DECODER_INIT)] = "DECODER_INIT",
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[_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS",
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[_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP",
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#endif
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[_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO",
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[_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR",
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[_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY",
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[_IOC_NR(TDA9887_SET_CONFIG)] = "TDA9887_SET_CONFIG",
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[_IOC_NR(VIDIOC_INT_S_REGISTER)] = "VIDIOC_INT_S_REGISTER",
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[_IOC_NR(VIDIOC_INT_G_REGISTER)] = "VIDIOC_INT_G_REGISTER",
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[_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET",
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[_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
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[_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE",
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[_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA",
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[_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA",
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[_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)] = "VIDIOC_INT_G_CHIP_IDENT",
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[_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ"
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};
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#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
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static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
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{
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printk ("%s: width=%d, height=%d, format=%d, field=%s, "
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"bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
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fmt->width,fmt->height,fmt->pixelformat,
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prt_names(fmt->field,v4l2_field_names),
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fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
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};
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/* Common ioctl debug function. This function can be used by
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external ioctl messages as well as internal V4L ioctl */
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void v4l_printk_ioctl(unsigned int cmd)
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{
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char *dir;
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switch (_IOC_DIR(cmd)) {
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case _IOC_NONE: dir = "--"; break;
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case _IOC_READ: dir = "r-"; break;
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case _IOC_WRITE: dir = "-w"; break;
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case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
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default: dir = "*ERR*"; break;
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}
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switch (_IOC_TYPE(cmd)) {
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case 'd':
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printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n",
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(_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
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v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
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break;
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#ifdef HAVE_V4L1
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case 'v':
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printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
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(_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:
|
|
*/
|