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V4L/DVB (3371): Add debug to ioctl arguments.

Browse Source 
Added a new function that allows printing ioctl arguments.
This makes easier to include debug code under v4l ioctl
handling.
Also fixed some declarations on internal ioctl.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2006-02-27 00:08:49 -03:00
parent a8029170b9
commit 41f38b43e0
2 changed files with 531 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

524
drivers/media/video/v4l2-common.c
View File

@ -362,6 +362,529 @@ void v4l_printk_ioctl(unsigned int 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=%d, "
"bytesused=%d, flags=0x%08d, "
"field=%0d, sequence=%d, memory=%d, offset/userptr=0x%08lx,",
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,p->type,p->bytesused,p->flags,
p->field,p->sequence,p->memory,p->m.userptr);
printk ("%s: timecode= %02d:%02d:%02d type=%d, "
"flags=0x%08d, frames=%d, userbits=0x%08x",
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=%d, "
"capabilities=%d\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;
/* FIXME: Should be one dump per type*/
printk ("%s: type=%d\n", s,p->type);
break;
}
case VIDIOC_G_FBUF:
case VIDIOC_S_FBUF:
{
struct v4l2_framebuffer *p=arg;
/*FIXME: should show also struct v4l2_pix_format p->fmt field */
printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
p->capability,p->flags, (unsigned long)p->base);
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=%lld, status=%d\n", s,
p->index,p->name,p->type,p->audioset,
p->tuner,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=%lld\n",
s,p->index,p->name,p->type,p->audioset,
p->modulator,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=%d, memory=%d\n", s,
p->count,p->type,p->memory);
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=%lld, name=%s, fps=%d/%d, framelines=%d\n", s,
p->index, 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=%llu\n", s, *p);
break;
}
}
}
/* ----------------------------------------------------------------- */
EXPORT_SYMBOL(v4l2_video_std_construct);
@ -376,6 +899,7 @@ 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:

11
include/media/v4l2-common.h
View File

@ -58,6 +58,9 @@
/* Prints the ioctl in a human-readable format */
extern void v4l_printk_ioctl(unsigned int cmd);
/* Prints the ioctl and arg in a human-readable format */
extern void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg);
/* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */
#define v4l_print_ioctl(name, cmd) \
do { \
@ -185,11 +188,11 @@ struct msp_matrix {
register contains invalid or erroneous data -EIO is returned. Note that
you must fill in the 'id' member and the 'field' member (to determine
whether CC data from the first or second field should be obtained). */
#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data *)
#define VIDIOC_INT_G_VBI_DATA _IOWR('d', 106, struct v4l2_sliced_vbi_data)
/* Returns the chip identifier or V4L2_IDENT_UNKNOWN if no identification can
be made. */
#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident *)
#define VIDIOC_INT_G_CHIP_IDENT _IOR ('d', 107, enum v4l2_chip_ident)
/* Sets I2S speed in bps. This is used to provide a standard way to select I2S
clock used by driving digital audio streams at some board designs.
@ -214,8 +217,8 @@ struct v4l2_routing {
These four commands should only be sent directly to an i2c device, they
should not be broadcast as the routing is very device specific. */
#define VIDIOC_INT_S_AUDIO_ROUTING _IOW ('d', 109, struct v4l2_routing)
#define VIDIOC_INT_G_AUDIO_ROUTING _IOR ('d', 110, struct v4l2_routing *)
#define VIDIOC_INT_G_AUDIO_ROUTING _IOR ('d', 110, struct v4l2_routing)
#define VIDIOC_INT_S_VIDEO_ROUTING _IOW ('d', 111, struct v4l2_routing)
#define VIDIOC_INT_G_VIDEO_ROUTING _IOR ('d', 112, struct v4l2_routing *)
#define VIDIOC_INT_G_VIDEO_ROUTING _IOR ('d', 112, struct v4l2_routing)
#endif /* V4L2_COMMON_H_ */