| /* |
| * 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/config.h> |
| #include <linux/module.h> |
| #include <linux/types.h> |
| #include <linux/kernel.h> |
| #include <linux/sched.h> |
| #include <linux/smp_lock.h> |
| #include <linux/mm.h> |
| #include <linux/string.h> |
| #include <linux/errno.h> |
| #include <asm/uaccess.h> |
| #include <asm/system.h> |
| #include <asm/pgtable.h> |
| #include <asm/io.h> |
| #include <asm/div64.h> |
| #include <linux/video_decoder.h> |
| #include <media/v4l2-common.h> |
| |
| #ifdef CONFIG_KMOD |
| #include <linux/kmod.h> |
| #endif |
| |
| #if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE) |
| #include <linux/ust.h> |
| #endif |
| |
| |
| #include <linux/videodev.h> |
| |
| MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr"); |
| MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers"); |
| MODULE_LICENSE("GPL"); |
| |
| /* |
| * |
| * V 4 L 2 D R I V E R H E L P E R A P I |
| * |
| */ |
| |
| /* |
| * Video Standard Operations (contributed by Michael Schimek) |
| */ |
| |
| |
| /* Fill in the fields of a v4l2_standard structure according to the |
| 'id' and 'transmission' parameters. Returns negative on error. */ |
| int v4l2_video_std_construct(struct v4l2_standard *vs, |
| int id, char *name) |
| { |
| u32 index = vs->index; |
| |
| memset(vs, 0, sizeof(struct v4l2_standard)); |
| vs->index = index; |
| vs->id = id; |
| if (id & V4L2_STD_525_60) { |
| vs->frameperiod.numerator = 1001; |
| vs->frameperiod.denominator = 30000; |
| vs->framelines = 525; |
| } else { |
| vs->frameperiod.numerator = 1; |
| vs->frameperiod.denominator = 25; |
| vs->framelines = 625; |
| } |
| strlcpy(vs->name,name,sizeof(vs->name)); |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------- */ |
| /* priority handling */ |
| |
| #define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND || \ |
| val == V4L2_PRIORITY_INTERACTIVE || \ |
| val == V4L2_PRIORITY_RECORD) |
| |
| int v4l2_prio_init(struct v4l2_prio_state *global) |
| { |
| memset(global,0,sizeof(*global)); |
| return 0; |
| } |
| |
| int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, |
| enum v4l2_priority new) |
| { |
| if (!V4L2_PRIO_VALID(new)) |
| return -EINVAL; |
| if (*local == new) |
| return 0; |
| |
| atomic_inc(&global->prios[new]); |
| if (V4L2_PRIO_VALID(*local)) |
| atomic_dec(&global->prios[*local]); |
| *local = new; |
| return 0; |
| } |
| |
| int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local) |
| { |
| return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT); |
| } |
| |
| int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local) |
| { |
| if (V4L2_PRIO_VALID(*local)) |
| atomic_dec(&global->prios[*local]); |
| return 0; |
| } |
| |
| enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global) |
| { |
| if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0) |
| return V4L2_PRIORITY_RECORD; |
| if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0) |
| return V4L2_PRIORITY_INTERACTIVE; |
| if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0) |
| return V4L2_PRIORITY_BACKGROUND; |
| return V4L2_PRIORITY_UNSET; |
| } |
| |
| int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local) |
| { |
| if (*local < v4l2_prio_max(global)) |
| return -EBUSY; |
| return 0; |
| } |
| |
| |
| /* ----------------------------------------------------------------- */ |
| /* some arrays for pretty-printing debug messages of enum types */ |
| |
| char *v4l2_field_names[] = { |
| [V4L2_FIELD_ANY] = "any", |
| [V4L2_FIELD_NONE] = "none", |
| [V4L2_FIELD_TOP] = "top", |
| [V4L2_FIELD_BOTTOM] = "bottom", |
| [V4L2_FIELD_INTERLACED] = "interlaced", |
| [V4L2_FIELD_SEQ_TB] = "seq-tb", |
| [V4L2_FIELD_SEQ_BT] = "seq-bt", |
| [V4L2_FIELD_ALTERNATE] = "alternate", |
| }; |
| |
| char *v4l2_type_names[] = { |
| [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap", |
| [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over", |
| [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out", |
| [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", |
| [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", |
| }; |
| |
| static char *v4l2_memory_names[] = { |
| [V4L2_MEMORY_MMAP] = "mmap", |
| [V4L2_MEMORY_USERPTR] = "userptr", |
| [V4L2_MEMORY_OVERLAY] = "overlay", |
| }; |
| |
| #define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown" |
| |
| /* ------------------------------------------------------------------ */ |
| /* debug help functions */ |
| |
| #ifdef HAVE_V4L1 |
| static const char *v4l1_ioctls[] = { |
| [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP", |
| [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN", |
| [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN", |
| [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER", |
| [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER", |
| [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT", |
| [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT", |
| [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE", |
| [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN", |
| [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN", |
| [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF", |
| [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF", |
| [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY", |
| [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ", |
| [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ", |
| [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO", |
| [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO", |
| [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC", |
| [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE", |
| [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF", |
| [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT", |
| [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE", |
| [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE", |
| [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE", |
| [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE", |
| [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO", |
| [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE", |
| [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT", |
| [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT" |
| }; |
| #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls) |
| #endif |
| |
| static const char *v4l2_ioctls[] = { |
| [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP", |
| [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED", |
| [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT", |
| [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT", |
| [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT", |
| [_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP", |
| [_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP", |
| [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS", |
| [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF", |
| [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF", |
| [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF", |
| [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY", |
| [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF", |
| [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF", |
| [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON", |
| [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF", |
| [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM", |
| [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM", |
| [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD", |
| [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD", |
| [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD", |
| [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT", |
| [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL", |
| [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL", |
| [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER", |
| [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER", |
| [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO", |
| [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO", |
| [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL", |
| [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU", |
| [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT", |
| [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT", |
| [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT", |
| [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT", |
| [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT", |
| [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT", |
| [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT", |
| [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR", |
| [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR", |
| [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY", |
| [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY", |
| [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP", |
| [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP", |
| [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP", |
| [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP", |
| [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP", |
| [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD", |
| [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT", |
| [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO", |
| [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", |
| [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", |
| [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", |
| #if 1 |
| [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", |
| #endif |
| [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS" |
| }; |
| #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) |
| |
| static const char *v4l2_int_ioctls[] = { |
| #ifdef HAVE_VIDEO_DECODER |
| [_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES", |
| [_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS", |
| [_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM", |
| [_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT", |
| [_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT", |
| [_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT", |
| [_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE", |
| [_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO", |
| [_IOC_NR(DECODER_INIT)] = "DECODER_INIT", |
| [_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS", |
| [_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP", |
| #endif |
| [_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO", |
| [_IOC_NR(AUDC_SET_INPUT)] = "AUDC_SET_INPUT", |
| [_IOC_NR(MSP_SET_MATRIX)] = "MSP_SET_MATRIX", |
| |
| [_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_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" |
| }; |
| #define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls) |
| |
| static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt) |
| { |
| printk ("%s: width=%d, height=%d, format=%d, field=%s, " |
| "bytesperline=%d sizeimage=%d, colorspace=%d\n", s, |
| fmt->width,fmt->height,fmt->pixelformat, |
| prt_names(fmt->field,v4l2_field_names), |
| fmt->bytesperline,fmt->sizeimage,fmt->colorspace); |
| }; |
| |
| /* Common ioctl debug function. This function can be used by |
| external ioctl messages as well as internal V4L ioctl */ |
| void v4l_printk_ioctl(unsigned int cmd) |
| { |
| char *dir; |
| |
| switch (_IOC_DIR(cmd)) { |
| case _IOC_NONE: dir = "--"; break; |
| case _IOC_READ: dir = "r-"; break; |
| case _IOC_WRITE: dir = "-w"; break; |
| case _IOC_READ | _IOC_WRITE: dir = "rw"; break; |
| default: dir = "*ERR*"; break; |
| } |
| switch (_IOC_TYPE(cmd)) { |
| case 'd': |
| printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n", |
| (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ? |
| v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); |
| break; |
| #ifdef HAVE_V4L1 |
| case 'v': |
| printk("v4l1 ioctl %s, dir=%s (0x%08x)\n", |
| (_IOC_NR(cmd) < V4L1_IOCTLS) ? |
| v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); |
| break; |
| #endif |
| case 'V': |
| printk("v4l2 ioctl %s, dir=%s (0x%08x)\n", |
| (_IOC_NR(cmd) < V4L2_IOCTLS) ? |
| v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); |
| break; |
| |
| default: |
| printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n", |
| _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); |
| } |
| } |
| |
| /* Common ioctl debug function. This function can be used by |
| external ioctl messages as well as internal V4L ioctl and its |
| arguments */ |
| void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) |
| { |
| printk(s); |
| printk(": "); |
| v4l_printk_ioctl(cmd); |
| switch (cmd) { |
| case VIDIOC_INT_G_CHIP_IDENT: |
| { |
| enum v4l2_chip_ident *p=arg; |
| printk ("%s: chip ident=%d\n", s, *p); |
| break; |
| } |
| case VIDIOC_G_PRIORITY: |
| case VIDIOC_S_PRIORITY: |
| { |
| enum v4l2_priority *p=arg; |
| printk ("%s: priority=%d\n", s, *p); |
| break; |
| } |
| case VIDIOC_INT_S_TUNER_MODE: |
| { |
| enum v4l2_tuner_type *p=arg; |
| printk ("%s: tuner type=%d\n", s, *p); |
| break; |
| } |
| case DECODER_SET_VBI_BYPASS: |
| case DECODER_ENABLE_OUTPUT: |
| case DECODER_GET_STATUS: |
| case DECODER_SET_OUTPUT: |
| case DECODER_SET_INPUT: |
| case DECODER_SET_GPIO: |
| case DECODER_SET_NORM: |
| case VIDIOCCAPTURE: |
| case VIDIOCSYNC: |
| case VIDIOCSWRITEMODE: |
| case TUNER_SET_TYPE_ADDR: |
| case TUNER_SET_STANDBY: |
| case TDA9887_SET_CONFIG: |
| case AUDC_SET_INPUT: |
| 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 MSP_SET_MATRIX: |
| { |
| struct msp_matrix *p=arg; |
| printk ("%s: input=%d, output=%d\n", s, p->input, p->output); |
| 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%08d, " |
| "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%08d, frames=%d, userbits=0x%p", |
| 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=%d, output=%d\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: |
| */ |