| /* |
| * 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 |
| * Iñaki García 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/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> |
| #define __OLD_VIDIOC_ /* To allow fixing old calls*/ |
| #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) |
| */ |
| |
| |
| char *v4l2_norm_to_name(v4l2_std_id id) |
| { |
| char *name; |
| |
| switch (id) { |
| case V4L2_STD_PAL: |
| name="PAL"; break; |
| case V4L2_STD_PAL_BG: |
| name="PAL-BG"; break; |
| case V4L2_STD_PAL_DK: |
| name="PAL-DK"; break; |
| case V4L2_STD_PAL_B: |
| name="PAL-B"; break; |
| case V4L2_STD_PAL_B1: |
| name="PAL-B1"; break; |
| case V4L2_STD_PAL_G: |
| name="PAL-G"; break; |
| case V4L2_STD_PAL_H: |
| name="PAL-H"; break; |
| case V4L2_STD_PAL_I: |
| name="PAL-I"; break; |
| case V4L2_STD_PAL_D: |
| name="PAL-D"; break; |
| case V4L2_STD_PAL_D1: |
| name="PAL-D1"; break; |
| case V4L2_STD_PAL_K: |
| name="PAL-K"; break; |
| case V4L2_STD_PAL_M: |
| name="PAL-M"; break; |
| case V4L2_STD_PAL_N: |
| name="PAL-N"; break; |
| case V4L2_STD_PAL_Nc: |
| name="PAL-Nc"; break; |
| case V4L2_STD_PAL_60: |
| name="PAL-60"; break; |
| case V4L2_STD_NTSC: |
| name="NTSC"; break; |
| case V4L2_STD_NTSC_M: |
| name="NTSC-M"; break; |
| case V4L2_STD_NTSC_M_JP: |
| name="NTSC-M-JP"; break; |
| case V4L2_STD_NTSC_443: |
| name="NTSC-443"; break; |
| case V4L2_STD_NTSC_M_KR: |
| name="NTSC-M-KR"; break; |
| case V4L2_STD_SECAM: |
| name="SECAM"; break; |
| case V4L2_STD_SECAM_DK: |
| name="SECAM-DK"; break; |
| case V4L2_STD_SECAM_B: |
| name="SECAM-B"; break; |
| case V4L2_STD_SECAM_D: |
| name="SECAM-D"; break; |
| case V4L2_STD_SECAM_G: |
| name="SECAM-G"; break; |
| case V4L2_STD_SECAM_H: |
| name="SECAM-H"; break; |
| case V4L2_STD_SECAM_K: |
| name="SECAM-K"; break; |
| case V4L2_STD_SECAM_K1: |
| name="SECAM-K1"; break; |
| case V4L2_STD_SECAM_L: |
| name="SECAM-L"; break; |
| case V4L2_STD_SECAM_LC: |
| name="SECAM-LC"; break; |
| default: |
| name="Unknown"; break; |
| } |
| |
| return name; |
| } |
| |
| /* 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", |
| [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", |
| [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "slicec-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 CONFIG_VIDEO_V4L1_COMPAT |
| 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", |
| [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", |
| [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", |
| [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS" |
| }; |
| #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| |
| static const char *v4l2_int_ioctls[] = { |
| #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| [_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", |
| [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ" |
| }; |
| #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 CONFIG_VIDEO_V4L1_COMPAT |
| 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; |
| } |
| #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 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: |
| #endif |
| case TUNER_SET_TYPE_ADDR: |
| case TUNER_SET_STANDBY: |
| case TDA9887_SET_CONFIG: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_OVERLAY_OLD: |
| #endif |
| 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: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_G_AUDIO_OLD: |
| #endif |
| { |
| 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: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_G_AUDOUT_OLD: |
| #endif |
| { |
| 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%08x\n", |
| s,tc->hours,tc->minutes,tc->seconds, |
| tc->type, tc->flags, tc->frames, *(__u32 *) 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: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_S_CTRL_OLD: |
| #endif |
| { |
| struct v4l2_control *p=arg; |
| printk ("%s: id=%d, value=%d\n", s, p->id, p->value); |
| break; |
| } |
| case VIDIOC_G_EXT_CTRLS: |
| case VIDIOC_S_EXT_CTRLS: |
| case VIDIOC_TRY_EXT_CTRLS: |
| { |
| struct v4l2_ext_controls *p = arg; |
| int i; |
| |
| printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count); |
| for (i = 0; i < p->count; i++) { |
| struct v4l2_ext_control *c = &p->controls[i]; |
| if (cmd == VIDIOC_G_EXT_CTRLS) |
| printk("%s: id=%d\n", s, c->id); |
| else |
| printk("%s: id=%d, value=%d\n", s, c->id, c->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: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_CROPCAP_OLD: |
| #endif |
| { |
| 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_INT_S_CRYSTAL_FREQ: |
| { |
| struct v4l2_crystal_freq *p=arg; |
| printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags); |
| 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: |
| #ifdef __OLD_VIDIOC_ |
| case VIDIOC_S_PARM_OLD: |
| #endif |
| { |
| 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; |
| } |
| #ifdef CONFIG_VIDEO_V4L1_COMPAT |
| 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 VIDIOCGFREQ: |
| case VIDIOCSFREQ: |
| { |
| unsigned long *p=arg; |
| printk ("%s: value=%lu\n", s, *p); |
| break; |
| } |
| #endif |
| case VIDIOC_INT_AUDIO_CLOCK_FREQ: |
| case VIDIOC_INT_I2S_CLOCK_FREQ: |
| case VIDIOC_INT_S_STANDBY: |
| case VIDIOC_INT_RESET: |
| { |
| u32 *p=arg; |
| |
| printk ("%s: value=%d\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; |
| } |
| } |
| } |
| |
| /* ----------------------------------------------------------------- */ |
| |
| /* Helper functions for control handling */ |
| |
| /* Check for correctness of the ctrl's value based on the data from |
| struct v4l2_queryctrl and the available menu items. Note that |
| menu_items may be NULL, in that case it is ignored. */ |
| int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, |
| const char **menu_items) |
| { |
| if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED) |
| return -EINVAL; |
| if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED) |
| return -EBUSY; |
| if (qctrl->type == V4L2_CTRL_TYPE_BUTTON || |
| qctrl->type == V4L2_CTRL_TYPE_INTEGER64 || |
| qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) |
| return 0; |
| if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum) |
| return -ERANGE; |
| if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) { |
| if (menu_items[ctrl->value] == NULL || |
| menu_items[ctrl->value][0] == '\0') |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /* Returns NULL or a character pointer array containing the menu for |
| the given control ID. The pointer array ends with a NULL pointer. |
| An empty string signifies a menu entry that is invalid. This allows |
| drivers to disable certain options if it is not supported. */ |
| const char **v4l2_ctrl_get_menu(u32 id) |
| { |
| static const char *mpeg_audio_sampling_freq[] = { |
| "44.1 kHz", |
| "48 kHz", |
| "32 kHz", |
| NULL |
| }; |
| static const char *mpeg_audio_encoding[] = { |
| "Layer I", |
| "Layer II", |
| "Layer III", |
| NULL |
| }; |
| static const char *mpeg_audio_l1_bitrate[] = { |
| "32 kbps", |
| "64 kbps", |
| "96 kbps", |
| "128 kbps", |
| "160 kbps", |
| "192 kbps", |
| "224 kbps", |
| "256 kbps", |
| "288 kbps", |
| "320 kbps", |
| "352 kbps", |
| "384 kbps", |
| "416 kbps", |
| "448 kbps", |
| NULL |
| }; |
| static const char *mpeg_audio_l2_bitrate[] = { |
| "32 kbps", |
| "48 kbps", |
| "56 kbps", |
| "64 kbps", |
| "80 kbps", |
| "96 kbps", |
| "112 kbps", |
| "128 kbps", |
| "160 kbps", |
| "192 kbps", |
| "224 kbps", |
| "256 kbps", |
| "320 kbps", |
| "384 kbps", |
| NULL |
| }; |
| static const char *mpeg_audio_l3_bitrate[] = { |
| "32 kbps", |
| "40 kbps", |
| "48 kbps", |
| "56 kbps", |
| "64 kbps", |
| "80 kbps", |
| "96 kbps", |
| "112 kbps", |
| "128 kbps", |
| "160 kbps", |
| "192 kbps", |
| "224 kbps", |
| "256 kbps", |
| "320 kbps", |
| NULL |
| }; |
| static const char *mpeg_audio_mode[] = { |
| "Stereo", |
| "Joint Stereo", |
| "Dual", |
| "Mono", |
| NULL |
| }; |
| static const char *mpeg_audio_mode_extension[] = { |
| "Bound 4", |
| "Bound 8", |
| "Bound 12", |
| "Bound 16", |
| NULL |
| }; |
| static const char *mpeg_audio_emphasis[] = { |
| "No Emphasis", |
| "50/15 us", |
| "CCITT J17", |
| NULL |
| }; |
| static const char *mpeg_audio_crc[] = { |
| "No CRC", |
| "16-bit CRC", |
| NULL |
| }; |
| static const char *mpeg_video_encoding[] = { |
| "MPEG-1", |
| "MPEG-2", |
| NULL |
| }; |
| static const char *mpeg_video_aspect[] = { |
| "1x1", |
| "4x3", |
| "16x9", |
| "2.21x1", |
| NULL |
| }; |
| static const char *mpeg_video_bitrate_mode[] = { |
| "Variable Bitrate", |
| "Constant Bitrate", |
| NULL |
| }; |
| static const char *mpeg_stream_type[] = { |
| "MPEG-2 Program Stream", |
| "MPEG-2 Transport Stream", |
| "MPEG-1 System Stream", |
| "MPEG-2 DVD-compatible Stream", |
| "MPEG-1 VCD-compatible Stream", |
| "MPEG-2 SVCD-compatible Stream", |
| NULL |
| }; |
| static const char *mpeg_stream_vbi_fmt[] = { |
| "No VBI", |
| "Private packet, IVTV format", |
| NULL |
| }; |
| |
| switch (id) { |
| case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: |
| return mpeg_audio_sampling_freq; |
| case V4L2_CID_MPEG_AUDIO_ENCODING: |
| return mpeg_audio_encoding; |
| case V4L2_CID_MPEG_AUDIO_L1_BITRATE: |
| return mpeg_audio_l1_bitrate; |
| case V4L2_CID_MPEG_AUDIO_L2_BITRATE: |
| return mpeg_audio_l2_bitrate; |
| case V4L2_CID_MPEG_AUDIO_L3_BITRATE: |
| return mpeg_audio_l3_bitrate; |
| case V4L2_CID_MPEG_AUDIO_MODE: |
| return mpeg_audio_mode; |
| case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: |
| return mpeg_audio_mode_extension; |
| case V4L2_CID_MPEG_AUDIO_EMPHASIS: |
| return mpeg_audio_emphasis; |
| case V4L2_CID_MPEG_AUDIO_CRC: |
| return mpeg_audio_crc; |
| case V4L2_CID_MPEG_VIDEO_ENCODING: |
| return mpeg_video_encoding; |
| case V4L2_CID_MPEG_VIDEO_ASPECT: |
| return mpeg_video_aspect; |
| case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
| return mpeg_video_bitrate_mode; |
| case V4L2_CID_MPEG_STREAM_TYPE: |
| return mpeg_stream_type; |
| case V4L2_CID_MPEG_STREAM_VBI_FMT: |
| return mpeg_stream_vbi_fmt; |
| default: |
| return NULL; |
| } |
| } |
| |
| /* Fill in a struct v4l2_queryctrl */ |
| int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) |
| { |
| const char *name; |
| |
| qctrl->flags = 0; |
| switch (qctrl->id) { |
| /* USER controls */ |
| case V4L2_CID_USER_CLASS: name = "User Controls"; break; |
| case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break; |
| case V4L2_CID_AUDIO_MUTE: name = "Mute"; break; |
| case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break; |
| case V4L2_CID_AUDIO_BASS: name = "Bass"; break; |
| case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break; |
| case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break; |
| case V4L2_CID_BRIGHTNESS: name = "Brightness"; break; |
| case V4L2_CID_CONTRAST: name = "Contrast"; break; |
| case V4L2_CID_SATURATION: name = "Saturation"; break; |
| case V4L2_CID_HUE: name = "Hue"; break; |
| |
| /* MPEG controls */ |
| case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break; |
| case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break; |
| case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break; |
| case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break; |
| case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break; |
| case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break; |
| case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break; |
| case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break; |
| case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break; |
| case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break; |
| case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break; |
| case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break; |
| case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break; |
| case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break; |
| case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break; |
| case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break; |
| case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break; |
| case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break; |
| case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break; |
| case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break; |
| case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break; |
| case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break; |
| case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break; |
| case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break; |
| case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break; |
| case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break; |
| case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break; |
| case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break; |
| |
| default: |
| return -EINVAL; |
| } |
| switch (qctrl->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| case V4L2_CID_AUDIO_LOUDNESS: |
| case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: |
| case V4L2_CID_MPEG_VIDEO_PULLDOWN: |
| qctrl->type = V4L2_CTRL_TYPE_BOOLEAN; |
| min = 0; |
| max = step = 1; |
| break; |
| case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: |
| case V4L2_CID_MPEG_AUDIO_ENCODING: |
| case V4L2_CID_MPEG_AUDIO_L1_BITRATE: |
| case V4L2_CID_MPEG_AUDIO_L2_BITRATE: |
| case V4L2_CID_MPEG_AUDIO_L3_BITRATE: |
| case V4L2_CID_MPEG_AUDIO_MODE: |
| case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: |
| case V4L2_CID_MPEG_AUDIO_EMPHASIS: |
| case V4L2_CID_MPEG_AUDIO_CRC: |
| case V4L2_CID_MPEG_VIDEO_ENCODING: |
| case V4L2_CID_MPEG_VIDEO_ASPECT: |
| case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
| case V4L2_CID_MPEG_STREAM_TYPE: |
| case V4L2_CID_MPEG_STREAM_VBI_FMT: |
| qctrl->type = V4L2_CTRL_TYPE_MENU; |
| step = 1; |
| break; |
| case V4L2_CID_USER_CLASS: |
| case V4L2_CID_MPEG_CLASS: |
| qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS; |
| qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| min = max = step = def = 0; |
| break; |
| default: |
| qctrl->type = V4L2_CTRL_TYPE_INTEGER; |
| break; |
| } |
| switch (qctrl->id) { |
| case V4L2_CID_MPEG_AUDIO_ENCODING: |
| case V4L2_CID_MPEG_AUDIO_MODE: |
| case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
| case V4L2_CID_MPEG_VIDEO_B_FRAMES: |
| case V4L2_CID_MPEG_STREAM_TYPE: |
| qctrl->flags |= V4L2_CTRL_FLAG_UPDATE; |
| break; |
| case V4L2_CID_AUDIO_VOLUME: |
| case V4L2_CID_AUDIO_BALANCE: |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| case V4L2_CID_BRIGHTNESS: |
| case V4L2_CID_CONTRAST: |
| case V4L2_CID_SATURATION: |
| case V4L2_CID_HUE: |
| qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; |
| break; |
| } |
| qctrl->minimum = min; |
| qctrl->maximum = max; |
| qctrl->step = step; |
| qctrl->default_value = def; |
| qctrl->reserved[0] = qctrl->reserved[1] = 0; |
| snprintf(qctrl->name, sizeof(qctrl->name), name); |
| return 0; |
| } |
| |
| /* Fill in a struct v4l2_queryctrl with standard values based on |
| the control ID. */ |
| int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) |
| { |
| switch (qctrl->id) { |
| /* USER controls */ |
| case V4L2_CID_USER_CLASS: |
| case V4L2_CID_MPEG_CLASS: |
| return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0); |
| case V4L2_CID_AUDIO_VOLUME: |
| return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880); |
| case V4L2_CID_AUDIO_MUTE: |
| case V4L2_CID_AUDIO_LOUDNESS: |
| return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); |
| case V4L2_CID_AUDIO_BALANCE: |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768); |
| case V4L2_CID_BRIGHTNESS: |
| return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); |
| case V4L2_CID_CONTRAST: |
| case V4L2_CID_SATURATION: |
| return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64); |
| case V4L2_CID_HUE: |
| return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0); |
| |
| /* MPEG controls */ |
| case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100, |
| V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1, |
| V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); |
| case V4L2_CID_MPEG_AUDIO_ENCODING: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_ENCODING_LAYER_1, |
| V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1, |
| V4L2_MPEG_AUDIO_ENCODING_LAYER_2); |
| case V4L2_CID_MPEG_AUDIO_L1_BITRATE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_L1_BITRATE_32K, |
| V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1, |
| V4L2_MPEG_AUDIO_L1_BITRATE_256K); |
| case V4L2_CID_MPEG_AUDIO_L2_BITRATE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_L2_BITRATE_32K, |
| V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, |
| V4L2_MPEG_AUDIO_L2_BITRATE_224K); |
| case V4L2_CID_MPEG_AUDIO_L3_BITRATE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_L3_BITRATE_32K, |
| V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1, |
| V4L2_MPEG_AUDIO_L3_BITRATE_192K); |
| case V4L2_CID_MPEG_AUDIO_MODE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_MODE_STEREO, |
| V4L2_MPEG_AUDIO_MODE_MONO, 1, |
| V4L2_MPEG_AUDIO_MODE_STEREO); |
| case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, |
| V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1, |
| V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4); |
| case V4L2_CID_MPEG_AUDIO_EMPHASIS: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_EMPHASIS_NONE, |
| V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1, |
| V4L2_MPEG_AUDIO_EMPHASIS_NONE); |
| case V4L2_CID_MPEG_AUDIO_CRC: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_AUDIO_CRC_NONE, |
| V4L2_MPEG_AUDIO_CRC_CRC16, 1, |
| V4L2_MPEG_AUDIO_CRC_NONE); |
| case V4L2_CID_MPEG_VIDEO_ENCODING: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_VIDEO_ENCODING_MPEG_1, |
| V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, |
| V4L2_MPEG_VIDEO_ENCODING_MPEG_2); |
| case V4L2_CID_MPEG_VIDEO_ASPECT: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_VIDEO_ASPECT_1x1, |
| V4L2_MPEG_VIDEO_ASPECT_221x100, 1, |
| V4L2_MPEG_VIDEO_ASPECT_4x3); |
| case V4L2_CID_MPEG_VIDEO_B_FRAMES: |
| return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2); |
| case V4L2_CID_MPEG_VIDEO_GOP_SIZE: |
| return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12); |
| case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: |
| return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1); |
| case V4L2_CID_MPEG_VIDEO_PULLDOWN: |
| return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); |
| case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, |
| V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, |
| V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); |
| case V4L2_CID_MPEG_VIDEO_BITRATE: |
| return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000); |
| case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: |
| return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000); |
| case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: |
| return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); |
| case V4L2_CID_MPEG_STREAM_TYPE: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_STREAM_TYPE_MPEG2_PS, |
| V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1, |
| V4L2_MPEG_STREAM_TYPE_MPEG2_PS); |
| case V4L2_CID_MPEG_STREAM_PID_PMT: |
| return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16); |
| case V4L2_CID_MPEG_STREAM_PID_AUDIO: |
| return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260); |
| case V4L2_CID_MPEG_STREAM_PID_VIDEO: |
| return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256); |
| case V4L2_CID_MPEG_STREAM_PID_PCR: |
| return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259); |
| case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: |
| return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); |
| case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: |
| return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); |
| case V4L2_CID_MPEG_STREAM_VBI_FMT: |
| return v4l2_ctrl_query_fill(qctrl, |
| V4L2_MPEG_STREAM_VBI_FMT_NONE, |
| V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1, |
| V4L2_MPEG_STREAM_VBI_FMT_NONE); |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and |
| the menu. The qctrl pointer may be NULL, in which case it is ignored. */ |
| int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, |
| const char **menu_items) |
| { |
| int i; |
| |
| if (menu_items == NULL || |
| (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum))) |
| return -EINVAL; |
| for (i = 0; i < qmenu->index && menu_items[i]; i++) ; |
| if (menu_items[i] == NULL || menu_items[i][0] == '\0') |
| return -EINVAL; |
| snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]); |
| qmenu->reserved = 0; |
| return 0; |
| } |
| |
| /* ctrl_classes points to an array of u32 pointers, the last element is |
| a NULL pointer. Each u32 array is a 0-terminated array of control IDs. |
| Each array must be sorted low to high and belong to the same control |
| class. The array of u32 pointer must also be sorted, from low class IDs |
| to high class IDs. |
| |
| This function returns the first ID that follows after the given ID. |
| When no more controls are available 0 is returned. */ |
| u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) |
| { |
| u32 ctrl_class; |
| const u32 *pctrl; |
| |
| /* if no query is desired, then just return the control ID */ |
| if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0) |
| return id; |
| if (ctrl_classes == NULL) |
| return 0; |
| id &= V4L2_CTRL_ID_MASK; |
| ctrl_class = V4L2_CTRL_ID2CLASS(id); |
| id++; /* select next control */ |
| /* find first class that matches (or is greater than) the class of |
| the ID */ |
| while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) < ctrl_class) |
| ctrl_classes++; |
| /* no more classes */ |
| if (*ctrl_classes == NULL) |
| return 0; |
| pctrl = *ctrl_classes; |
| /* find first ctrl within the class that is >= ID */ |
| while (*pctrl && *pctrl < id) pctrl++; |
| if (*pctrl) |
| return *pctrl; |
| /* we are at the end of the controls of the current class. */ |
| /* continue with next class if available */ |
| ctrl_classes++; |
| if (*ctrl_classes == NULL) |
| return 0; |
| return **ctrl_classes; |
| } |
| |
| /* ----------------------------------------------------------------- */ |
| |
| EXPORT_SYMBOL(v4l2_norm_to_name); |
| 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); |
| |
| EXPORT_SYMBOL(v4l2_ctrl_next); |
| EXPORT_SYMBOL(v4l2_ctrl_check); |
| EXPORT_SYMBOL(v4l2_ctrl_get_menu); |
| EXPORT_SYMBOL(v4l2_ctrl_query_menu); |
| EXPORT_SYMBOL(v4l2_ctrl_query_fill); |
| EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); |
| |
| /* |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |