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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); EXPORT_SYMBOL(v4l2_video_std_construct);
@ -376,6 +899,7 @@ EXPORT_SYMBOL(v4l2_prio_check);
EXPORT_SYMBOL(v4l2_field_names); EXPORT_SYMBOL(v4l2_field_names);
EXPORT_SYMBOL(v4l2_type_names); EXPORT_SYMBOL(v4l2_type_names);
EXPORT_SYMBOL(v4l_printk_ioctl); EXPORT_SYMBOL(v4l_printk_ioctl);
EXPORT_SYMBOL(v4l_printk_ioctl_arg);
/* /*
* Local variables: * Local variables:

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

@ -58,6 +58,9 @@
/* Prints the ioctl in a human-readable format */ /* Prints the ioctl in a human-readable format */
extern void v4l_printk_ioctl(unsigned int cmd); 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. */ /* Use this macro for non-I2C drivers. Pass the driver name as the first arg. */
#define v4l_print_ioctl(name, cmd) \ #define v4l_print_ioctl(name, cmd) \
do { \ do { \
@ -185,11 +188,11 @@ struct msp_matrix {
register contains invalid or erroneous data -EIO is returned. Note that register contains invalid or erroneous data -EIO is returned. Note that
you must fill in the 'id' member and the 'field' member (to determine 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). */ 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 /* Returns the chip identifier or V4L2_IDENT_UNKNOWN if no identification can
be made. */ 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 /* 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. 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 These four commands should only be sent directly to an i2c device, they
should not be broadcast as the routing is very device specific. */ 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_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_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_ */ #endif /* V4L2_COMMON_H_ */