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yaml
---
r: 320112
b: refs/heads/master
c: 4839e6c
h: refs/heads/master
v: v3
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Hans Verkuil authored and Mauro Carvalho Chehab committed Jul 6, 2012
1 parent 776b46a commit 513cffd
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2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b61097ee1a99b5689f044895470ef44e7cc73c27
refs/heads/master: 4839e6c2ac7c1a25d285b66240e702bb9b5fdcbf
288 changes: 144 additions & 144 deletions trunk/drivers/media/video/v4l2-ioctl.c
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Expand Up @@ -183,150 +183,6 @@ static const char *v4l2_memory_names[] = {
/* ------------------------------------------------------------------ */
/* debug help functions */

struct v4l2_ioctl_info {
unsigned int ioctl;
u16 flags;
const char * const name;
};

/* This control needs a priority check */
#define INFO_FL_PRIO (1 << 0)
/* This control can be valid if the filehandle passes a control handler. */
#define INFO_FL_CTRL (1 << 1)

#define IOCTL_INFO(_ioctl, _flags) [_IOC_NR(_ioctl)] = { \
.ioctl = _ioctl, \
.flags = _flags, \
.name = #_ioctl, \
}

static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO(VIDIOC_QUERYCAP, 0),
IOCTL_INFO(VIDIOC_ENUM_FMT, 0),
IOCTL_INFO(VIDIOC_G_FMT, 0),
IOCTL_INFO(VIDIOC_S_FMT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_REQBUFS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYBUF, 0),
IOCTL_INFO(VIDIOC_G_FBUF, 0),
IOCTL_INFO(VIDIOC_S_FBUF, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_OVERLAY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QBUF, 0),
IOCTL_INFO(VIDIOC_DQBUF, 0),
IOCTL_INFO(VIDIOC_STREAMON, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_STREAMOFF, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_PARM, 0),
IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_STD, 0),
IOCTL_INFO(VIDIOC_S_STD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUMSTD, 0),
IOCTL_INFO(VIDIOC_ENUMINPUT, 0),
IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_G_TUNER, 0),
IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_AUDIO, 0),
IOCTL_INFO(VIDIOC_S_AUDIO, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_QUERYMENU, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_G_INPUT, 0),
IOCTL_INFO(VIDIOC_S_INPUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_OUTPUT, 0),
IOCTL_INFO(VIDIOC_S_OUTPUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUMOUTPUT, 0),
IOCTL_INFO(VIDIOC_G_AUDOUT, 0),
IOCTL_INFO(VIDIOC_S_AUDOUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_MODULATOR, 0),
IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_FREQUENCY, 0),
IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_CROPCAP, 0),
IOCTL_INFO(VIDIOC_G_CROP, 0),
IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_SELECTION, 0),
IOCTL_INFO(VIDIOC_S_SELECTION, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_JPEGCOMP, 0),
IOCTL_INFO(VIDIOC_S_JPEGCOMP, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYSTD, 0),
IOCTL_INFO(VIDIOC_TRY_FMT, 0),
IOCTL_INFO(VIDIOC_ENUMAUDIO, 0),
IOCTL_INFO(VIDIOC_ENUMAUDOUT, 0),
IOCTL_INFO(VIDIOC_G_PRIORITY, 0),
IOCTL_INFO(VIDIOC_S_PRIORITY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, 0),
IOCTL_INFO(VIDIOC_LOG_STATUS, 0),
IOCTL_INFO(VIDIOC_G_EXT_CTRLS, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_S_EXT_CTRLS, INFO_FL_PRIO | INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, 0),
IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, 0),
IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, 0),
IOCTL_INFO(VIDIOC_G_ENC_INDEX, 0),
IOCTL_INFO(VIDIOC_ENCODER_CMD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_TRY_ENCODER_CMD, 0),
IOCTL_INFO(VIDIOC_DECODER_CMD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_TRY_DECODER_CMD, 0),
#ifdef CONFIG_VIDEO_ADV_DEBUG
IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0),
IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0),
#endif
IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0),
IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUM_DV_PRESETS, 0),
IOCTL_INFO(VIDIOC_S_DV_PRESET, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_DV_PRESET, 0),
IOCTL_INFO(VIDIOC_QUERY_DV_PRESET, 0),
IOCTL_INFO(VIDIOC_S_DV_TIMINGS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_DQEVENT, 0),
IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0),
IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)

bool v4l2_is_known_ioctl(unsigned int cmd)
{
if (_IOC_NR(cmd) >= V4L2_IOCTLS)
return false;
return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
}

/* 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, *type;

switch (_IOC_TYPE(cmd)) {
case 'd':
type = "v4l2_int";
break;
case 'V':
if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
type = "v4l2";
break;
}
printk("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
return;
default:
type = "unknown";
}

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;
}
printk("%s ioctl '%c', dir=%s, #%d (0x%08x)",
type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
}
EXPORT_SYMBOL(v4l_printk_ioctl);

static void dbgbuf(unsigned int cmd, struct video_device *vfd,
struct v4l2_buffer *p)
{
Expand Down Expand Up @@ -536,6 +392,150 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
return -EINVAL;
}

struct v4l2_ioctl_info {
unsigned int ioctl;
u16 flags;
const char * const name;
};

/* This control needs a priority check */
#define INFO_FL_PRIO (1 << 0)
/* This control can be valid if the filehandle passes a control handler. */
#define INFO_FL_CTRL (1 << 1)

#define IOCTL_INFO(_ioctl, _flags) [_IOC_NR(_ioctl)] = { \
.ioctl = _ioctl, \
.flags = _flags, \
.name = #_ioctl, \
}

static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO(VIDIOC_QUERYCAP, 0),
IOCTL_INFO(VIDIOC_ENUM_FMT, 0),
IOCTL_INFO(VIDIOC_G_FMT, 0),
IOCTL_INFO(VIDIOC_S_FMT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_REQBUFS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYBUF, 0),
IOCTL_INFO(VIDIOC_G_FBUF, 0),
IOCTL_INFO(VIDIOC_S_FBUF, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_OVERLAY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QBUF, 0),
IOCTL_INFO(VIDIOC_DQBUF, 0),
IOCTL_INFO(VIDIOC_STREAMON, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_STREAMOFF, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_PARM, 0),
IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_STD, 0),
IOCTL_INFO(VIDIOC_S_STD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUMSTD, 0),
IOCTL_INFO(VIDIOC_ENUMINPUT, 0),
IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_G_TUNER, 0),
IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_AUDIO, 0),
IOCTL_INFO(VIDIOC_S_AUDIO, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_QUERYMENU, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_G_INPUT, 0),
IOCTL_INFO(VIDIOC_S_INPUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_OUTPUT, 0),
IOCTL_INFO(VIDIOC_S_OUTPUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUMOUTPUT, 0),
IOCTL_INFO(VIDIOC_G_AUDOUT, 0),
IOCTL_INFO(VIDIOC_S_AUDOUT, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_MODULATOR, 0),
IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_FREQUENCY, 0),
IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_CROPCAP, 0),
IOCTL_INFO(VIDIOC_G_CROP, 0),
IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_SELECTION, 0),
IOCTL_INFO(VIDIOC_S_SELECTION, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_JPEGCOMP, 0),
IOCTL_INFO(VIDIOC_S_JPEGCOMP, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYSTD, 0),
IOCTL_INFO(VIDIOC_TRY_FMT, 0),
IOCTL_INFO(VIDIOC_ENUMAUDIO, 0),
IOCTL_INFO(VIDIOC_ENUMAUDOUT, 0),
IOCTL_INFO(VIDIOC_G_PRIORITY, 0),
IOCTL_INFO(VIDIOC_S_PRIORITY, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, 0),
IOCTL_INFO(VIDIOC_LOG_STATUS, 0),
IOCTL_INFO(VIDIOC_G_EXT_CTRLS, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_S_EXT_CTRLS, INFO_FL_PRIO | INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, 0),
IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, 0),
IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, 0),
IOCTL_INFO(VIDIOC_G_ENC_INDEX, 0),
IOCTL_INFO(VIDIOC_ENCODER_CMD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_TRY_ENCODER_CMD, 0),
IOCTL_INFO(VIDIOC_DECODER_CMD, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_TRY_DECODER_CMD, 0),
#ifdef CONFIG_VIDEO_ADV_DEBUG
IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0),
IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0),
#endif
IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0),
IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_ENUM_DV_PRESETS, 0),
IOCTL_INFO(VIDIOC_S_DV_PRESET, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_DV_PRESET, 0),
IOCTL_INFO(VIDIOC_QUERY_DV_PRESET, 0),
IOCTL_INFO(VIDIOC_S_DV_TIMINGS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_DQEVENT, 0),
IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0),
IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)

bool v4l2_is_known_ioctl(unsigned int cmd)
{
if (_IOC_NR(cmd) >= V4L2_IOCTLS)
return false;
return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
}

/* 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, *type;

switch (_IOC_TYPE(cmd)) {
case 'd':
type = "v4l2_int";
break;
case 'V':
if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
type = "v4l2";
break;
}
printk("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
return;
default:
type = "unknown";
}

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;
}
printk("%s ioctl '%c', dir=%s, #%d (0x%08x)",
type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
}
EXPORT_SYMBOL(v4l_printk_ioctl);

static long __video_do_ioctl(struct file *file,
unsigned int cmd, void *arg)
{
Expand Down

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