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path: root/drivers/media/video/v4l2-ioctl.c
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Diffstat (limited to 'drivers/media/video/v4l2-ioctl.c')
-rw-r--r--drivers/media/video/v4l2-ioctl.c3285
1 files changed, 1614 insertions, 1671 deletions
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index d7fa8962d8b3..70e0efb127a6 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -27,27 +27,7 @@
#include <media/v4l2-event.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
-
-#define dbgarg(cmd, fmt, arg...) \
- do { \
- if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \
- printk(KERN_DEBUG "%s: ", vfd->name); \
- v4l_printk_ioctl(cmd); \
- printk(" " fmt, ## arg); \
- } \
- } while (0)
-
-#define dbgarg2(fmt, arg...) \
- do { \
- if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \
- printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\
- } while (0)
-
-#define dbgarg3(fmt, arg...) \
- do { \
- if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \
- printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\
- } while (0)
+#include <media/videobuf2-core.h>
/* Zero out the end of the struct pointed to by p. Everything after, but
* not including, the specified field is cleared. */
@@ -183,207 +163,507 @@ static const char *v4l2_memory_names[] = {
/* ------------------------------------------------------------------ */
/* debug help functions */
-struct v4l2_ioctl_info {
- unsigned int ioctl;
- u16 flags;
- const char * const name;
-};
+static void v4l_print_querycap(const void *arg, bool write_only)
+{
+ const struct v4l2_capability *p = arg;
-/* 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)
+ pr_cont("driver=%s, card=%s, bus=%s, version=0x%08x, "
+ "capabilities=0x%08x, device_caps=0x%08x\n",
+ p->driver, p->card, p->bus_info,
+ p->version, p->capabilities, p->device_caps);
+}
-#define IOCTL_INFO(_ioctl, _flags) [_IOC_NR(_ioctl)] = { \
- .ioctl = _ioctl, \
- .flags = _flags, \
- .name = #_ioctl, \
+static void v4l_print_enuminput(const void *arg, bool write_only)
+{
+ const struct v4l2_input *p = arg;
+
+ pr_cont("index=%u, name=%s, type=%u, audioset=0x%x, tuner=%u, "
+ "std=0x%08Lx, status=0x%x, capabilities=0x%x\n",
+ p->index, p->name, p->type, p->audioset, p->tuner,
+ (unsigned long long)p->std, p->status, p->capabilities);
}
-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)
+static void v4l_print_enumoutput(const void *arg, bool write_only)
+{
+ const struct v4l2_output *p = arg;
-bool v4l2_is_known_ioctl(unsigned int cmd)
+ pr_cont("index=%u, name=%s, type=%u, audioset=0x%x, "
+ "modulator=%u, std=0x%08Lx, capabilities=0x%x\n",
+ p->index, p->name, p->type, p->audioset, p->modulator,
+ (unsigned long long)p->std, p->capabilities);
+}
+
+static void v4l_print_audio(const void *arg, bool write_only)
{
- if (_IOC_NR(cmd) >= V4L2_IOCTLS)
- return false;
- return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
+ const struct v4l2_audio *p = arg;
+
+ if (write_only)
+ pr_cont("index=%u, mode=0x%x\n", p->index, p->mode);
+ else
+ pr_cont("index=%u, name=%s, capability=0x%x, mode=0x%x\n",
+ p->index, p->name, p->capability, p->mode);
}
-/* 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)
+static void v4l_print_audioout(const void *arg, bool write_only)
{
- char *dir, *type;
+ const struct v4l2_audioout *p = arg;
- switch (_IOC_TYPE(cmd)) {
- case 'd':
- type = "v4l2_int";
+ if (write_only)
+ pr_cont("index=%u\n", p->index);
+ else
+ pr_cont("index=%u, name=%s, capability=0x%x, mode=0x%x\n",
+ p->index, p->name, p->capability, p->mode);
+}
+
+static void v4l_print_fmtdesc(const void *arg, bool write_only)
+{
+ const struct v4l2_fmtdesc *p = arg;
+
+ pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%c%c%c%c, description='%s'\n",
+ p->index, prt_names(p->type, v4l2_type_names),
+ p->flags, (p->pixelformat & 0xff),
+ (p->pixelformat >> 8) & 0xff,
+ (p->pixelformat >> 16) & 0xff,
+ (p->pixelformat >> 24) & 0xff,
+ p->description);
+}
+
+static void v4l_print_format(const void *arg, bool write_only)
+{
+ const struct v4l2_format *p = arg;
+ const struct v4l2_pix_format *pix;
+ const struct v4l2_pix_format_mplane *mp;
+ const struct v4l2_vbi_format *vbi;
+ const struct v4l2_sliced_vbi_format *sliced;
+ const struct v4l2_window *win;
+ const struct v4l2_clip *clip;
+ unsigned i;
+
+ pr_cont("type=%s", prt_names(p->type, v4l2_type_names));
+ switch (p->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ pix = &p->fmt.pix;
+ pr_cont(", width=%u, height=%u, "
+ "pixelformat=%c%c%c%c, field=%s, "
+ "bytesperline=%u sizeimage=%u, colorspace=%d\n",
+ pix->width, pix->height,
+ (pix->pixelformat & 0xff),
+ (pix->pixelformat >> 8) & 0xff,
+ (pix->pixelformat >> 16) & 0xff,
+ (pix->pixelformat >> 24) & 0xff,
+ prt_names(pix->field, v4l2_field_names),
+ pix->bytesperline, pix->sizeimage,
+ pix->colorspace);
break;
- case 'V':
- if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
- type = "v4l2";
- break;
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ mp = &p->fmt.pix_mp;
+ pr_cont(", width=%u, height=%u, "
+ "format=%c%c%c%c, field=%s, "
+ "colorspace=%d, num_planes=%u\n",
+ mp->width, mp->height,
+ (mp->pixelformat & 0xff),
+ (mp->pixelformat >> 8) & 0xff,
+ (mp->pixelformat >> 16) & 0xff,
+ (mp->pixelformat >> 24) & 0xff,
+ prt_names(mp->field, v4l2_field_names),
+ mp->colorspace, mp->num_planes);
+ for (i = 0; i < mp->num_planes; i++)
+ printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i,
+ mp->plane_fmt[i].bytesperline,
+ mp->plane_fmt[i].sizeimage);
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ win = &p->fmt.win;
+ pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, "
+ "chromakey=0x%08x, bitmap=%p, "
+ "global_alpha=0x%02x\n",
+ win->w.width, win->w.height,
+ win->w.left, win->w.top,
+ prt_names(win->field, v4l2_field_names),
+ win->chromakey, win->bitmap, win->global_alpha);
+ clip = win->clips;
+ for (i = 0; i < win->clipcount; i++) {
+ printk(KERN_DEBUG "clip %u: wxh=%dx%d, x,y=%d,%d\n",
+ i, clip->c.width, clip->c.height,
+ clip->c.left, clip->c.top);
+ clip = clip->next;
}
- printk("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
- return;
- default:
- type = "unknown";
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case V4L2_BUF_TYPE_VBI_OUTPUT:
+ vbi = &p->fmt.vbi;
+ pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, "
+ "sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n",
+ vbi->sampling_rate, vbi->offset,
+ vbi->samples_per_line,
+ (vbi->sample_format & 0xff),
+ (vbi->sample_format >> 8) & 0xff,
+ (vbi->sample_format >> 16) & 0xff,
+ (vbi->sample_format >> 24) & 0xff,
+ vbi->start[0], vbi->start[1],
+ vbi->count[0], vbi->count[1]);
+ break;
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ sliced = &p->fmt.sliced;
+ pr_cont(", service_set=0x%08x, io_size=%d\n",
+ sliced->service_set, sliced->io_size);
+ for (i = 0; i < 24; i++)
+ printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i,
+ sliced->service_lines[0][i],
+ sliced->service_lines[1][i]);
+ break;
+ case V4L2_BUF_TYPE_PRIVATE:
+ pr_cont("\n");
+ break;
}
+}
- 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);
+static void v4l_print_framebuffer(const void *arg, bool write_only)
+{
+ const struct v4l2_framebuffer *p = arg;
+
+ pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, "
+ "height=%u, pixelformat=%c%c%c%c, "
+ "bytesperline=%u sizeimage=%u, colorspace=%d\n",
+ p->capability, p->flags, p->base,
+ p->fmt.width, p->fmt.height,
+ (p->fmt.pixelformat & 0xff),
+ (p->fmt.pixelformat >> 8) & 0xff,
+ (p->fmt.pixelformat >> 16) & 0xff,
+ (p->fmt.pixelformat >> 24) & 0xff,
+ p->fmt.bytesperline, p->fmt.sizeimage,
+ p->fmt.colorspace);
+}
+
+static void v4l_print_buftype(const void *arg, bool write_only)
+{
+ pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names));
+}
+
+static void v4l_print_modulator(const void *arg, bool write_only)
+{
+ const struct v4l2_modulator *p = arg;
+
+ if (write_only)
+ pr_cont("index=%u, txsubchans=0x%x", p->index, p->txsubchans);
+ else
+ pr_cont("index=%u, name=%s, capability=0x%x, "
+ "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n",
+ p->index, p->name, p->capability,
+ p->rangelow, p->rangehigh, p->txsubchans);
+}
+
+static void v4l_print_tuner(const void *arg, bool write_only)
+{
+ const struct v4l2_tuner *p = arg;
+
+ if (write_only)
+ pr_cont("index=%u, audmode=%u\n", p->index, p->audmode);
+ else
+ pr_cont("index=%u, name=%s, type=%u, capability=0x%x, "
+ "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, "
+ "rxsubchans=0x%x, audmode=%u\n",
+ p->index, p->name, p->type,
+ p->capability, p->rangelow,
+ p->rangehigh, p->signal, p->afc,
+ p->rxsubchans, p->audmode);
+}
+
+static void v4l_print_frequency(const void *arg, bool write_only)
+{
+ const struct v4l2_frequency *p = arg;
+
+ pr_cont("tuner=%u, type=%u, frequency=%u\n",
+ p->tuner, p->type, p->frequency);
+}
+
+static void v4l_print_standard(const void *arg, bool write_only)
+{
+ const struct v4l2_standard *p = arg;
+
+ pr_cont("index=%u, id=0x%Lx, name=%s, fps=%u/%u, "
+ "framelines=%u\n", p->index,
+ (unsigned long long)p->id, p->name,
+ p->frameperiod.numerator,
+ p->frameperiod.denominator,
+ p->framelines);
+}
+
+static void v4l_print_std(const void *arg, bool write_only)
+{
+ pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg);
}
-EXPORT_SYMBOL(v4l_printk_ioctl);
-static void dbgbuf(unsigned int cmd, struct video_device *vfd,
- struct v4l2_buffer *p)
+static void v4l_print_hw_freq_seek(const void *arg, bool write_only)
{
- struct v4l2_timecode *tc = &p->timecode;
- struct v4l2_plane *plane;
+ const struct v4l2_hw_freq_seek *p = arg;
+
+ pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n",
+ p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing);
+}
+
+static void v4l_print_requestbuffers(const void *arg, bool write_only)
+{
+ const struct v4l2_requestbuffers *p = arg;
+
+ pr_cont("count=%d, type=%s, memory=%s\n",
+ p->count,
+ prt_names(p->type, v4l2_type_names),
+ prt_names(p->memory, v4l2_memory_names));
+}
+
+static void v4l_print_buffer(const void *arg, bool write_only)
+{
+ const struct v4l2_buffer *p = arg;
+ const struct v4l2_timecode *tc = &p->timecode;
+ const struct v4l2_plane *plane;
int i;
- dbgarg(cmd, "%02ld:%02d:%02d.%08ld index=%d, type=%s, "
- "flags=0x%08d, field=%0d, sequence=%d, memory=%s\n",
+ pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, "
+ "flags=0x%08x, field=%s, sequence=%d, memory=%s",
p->timestamp.tv_sec / 3600,
(int)(p->timestamp.tv_sec / 60) % 60,
(int)(p->timestamp.tv_sec % 60),
(long)p->timestamp.tv_usec,
p->index,
prt_names(p->type, v4l2_type_names),
- p->flags, p->field, p->sequence,
- prt_names(p->memory, v4l2_memory_names));
+ p->flags, prt_names(p->field, v4l2_field_names),
+ p->sequence, prt_names(p->memory, v4l2_memory_names));
if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) {
+ pr_cont("\n");
for (i = 0; i < p->length; ++i) {
plane = &p->m.planes[i];
- dbgarg2("plane %d: bytesused=%d, data_offset=0x%08x "
- "offset/userptr=0x%08lx, length=%d\n",
+ printk(KERN_DEBUG
+ "plane %d: bytesused=%d, data_offset=0x%08x "
+ "offset/userptr=0x%lx, length=%d\n",
i, plane->bytesused, plane->data_offset,
plane->m.userptr, plane->length);
}
} else {
- dbgarg2("bytesused=%d, offset/userptr=0x%08lx, length=%d\n",
+ pr_cont("bytesused=%d, offset/userptr=0x%lx, length=%d\n",
p->bytesused, p->m.userptr, p->length);
}
- dbgarg2("timecode=%02d:%02d:%02d type=%d, "
- "flags=0x%08d, frames=%d, userbits=0x%08x\n",
+ printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, "
+ "flags=0x%08x, frames=%d, userbits=0x%08x\n",
tc->hours, tc->minutes, tc->seconds,
tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits);
}
-static inline void dbgrect(struct video_device *vfd, char *s,
- struct v4l2_rect *r)
+static void v4l_print_create_buffers(const void *arg, bool write_only)
{
- dbgarg2("%sRect start at %dx%d, size=%dx%d\n", s, r->left, r->top,
- r->width, r->height);
-};
+ const struct v4l2_create_buffers *p = arg;
+
+ pr_cont("index=%d, count=%d, memory=%s, ",
+ p->index, p->count,
+ prt_names(p->memory, v4l2_memory_names));
+ v4l_print_format(&p->format, write_only);
+}
-static void dbgtimings(struct video_device *vfd,
- const struct v4l2_dv_timings *p)
+static void v4l_print_streamparm(const void *arg, bool write_only)
{
+ const struct v4l2_streamparm *p = arg;
+
+ pr_cont("type=%s", prt_names(p->type, v4l2_type_names));
+
+ if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+ const struct v4l2_captureparm *c = &p->parm.capture;
+
+ pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, "
+ "extendedmode=%d, readbuffers=%d\n",
+ c->capability, c->capturemode,
+ c->timeperframe.numerator, c->timeperframe.denominator,
+ c->extendedmode, c->readbuffers);
+ } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT ||
+ p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ const struct v4l2_outputparm *c = &p->parm.output;
+
+ pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, "
+ "extendedmode=%d, writebuffers=%d\n",
+ c->capability, c->outputmode,
+ c->timeperframe.numerator, c->timeperframe.denominator,
+ c->extendedmode, c->writebuffers);
+ }
+}
+
+static void v4l_print_queryctrl(const void *arg, bool write_only)
+{
+ const struct v4l2_queryctrl *p = arg;
+
+ pr_cont("id=0x%x, type=%d, name=%s, min/max=%d/%d, "
+ "step=%d, default=%d, flags=0x%08x\n",
+ p->id, p->type, p->name,
+ p->minimum, p->maximum,
+ p->step, p->default_value, p->flags);
+}
+
+static void v4l_print_querymenu(const void *arg, bool write_only)
+{
+ const struct v4l2_querymenu *p = arg;
+
+ pr_cont("id=0x%x, index=%d\n", p->id, p->index);
+}
+
+static void v4l_print_control(const void *arg, bool write_only)
+{
+ const struct v4l2_control *p = arg;
+
+ pr_cont("id=0x%x, value=%d\n", p->id, p->value);
+}
+
+static void v4l_print_ext_controls(const void *arg, bool write_only)
+{
+ const struct v4l2_ext_controls *p = arg;
+ int i;
+
+ pr_cont("class=0x%x, count=%d, error_idx=%d",
+ p->ctrl_class, p->count, p->error_idx);
+ for (i = 0; i < p->count; i++) {
+ if (p->controls[i].size)
+ pr_cont(", id/val=0x%x/0x%x",
+ p->controls[i].id, p->controls[i].value);
+ else
+ pr_cont(", id/size=0x%x/%u",
+ p->controls[i].id, p->controls[i].size);
+ }
+ pr_cont("\n");
+}
+
+static void v4l_print_cropcap(const void *arg, bool write_only)
+{
+ const struct v4l2_cropcap *p = arg;
+
+ pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, "
+ "defrect wxh=%dx%d, x,y=%d,%d\n, "
+ "pixelaspect %d/%d\n",
+ prt_names(p->type, v4l2_type_names),
+ p->bounds.width, p->bounds.height,
+ p->bounds.left, p->bounds.top,
+ p->defrect.width, p->defrect.height,
+ p->defrect.left, p->defrect.top,
+ p->pixelaspect.numerator, p->pixelaspect.denominator);
+}
+
+static void v4l_print_crop(const void *arg, bool write_only)
+{
+ const struct v4l2_crop *p = arg;
+
+ pr_cont("type=%s, wxh=%dx%d, x,y=%d,%d\n",
+ prt_names(p->type, v4l2_type_names),
+ p->c.width, p->c.height,
+ p->c.left, p->c.top);
+}
+
+static void v4l_print_selection(const void *arg, bool write_only)
+{
+ const struct v4l2_selection *p = arg;
+
+ pr_cont("type=%s, target=%d, flags=0x%x, wxh=%dx%d, x,y=%d,%d\n",
+ prt_names(p->type, v4l2_type_names),
+ p->target, p->flags,
+ p->r.width, p->r.height, p->r.left, p->r.top);
+}
+
+static void v4l_print_jpegcompression(const void *arg, bool write_only)
+{
+ const struct v4l2_jpegcompression *p = arg;
+
+ pr_cont("quality=%d, APPn=%d, APP_len=%d, "
+ "COM_len=%d, jpeg_markers=0x%x\n",
+ p->quality, p->APPn, p->APP_len,
+ p->COM_len, p->jpeg_markers);
+}
+
+static void v4l_print_enc_idx(const void *arg, bool write_only)
+{
+ const struct v4l2_enc_idx *p = arg;
+
+ pr_cont("entries=%d, entries_cap=%d\n",
+ p->entries, p->entries_cap);
+}
+
+static void v4l_print_encoder_cmd(const void *arg, bool write_only)
+{
+ const struct v4l2_encoder_cmd *p = arg;
+
+ pr_cont("cmd=%d, flags=0x%x\n",
+ p->cmd, p->flags);
+}
+
+static void v4l_print_decoder_cmd(const void *arg, bool write_only)
+{
+ const struct v4l2_decoder_cmd *p = arg;
+
+ pr_cont("cmd=%d, flags=0x%x\n", p->cmd, p->flags);
+
+ if (p->cmd == V4L2_DEC_CMD_START)
+ pr_info("speed=%d, format=%u\n",
+ p->start.speed, p->start.format);
+ else if (p->cmd == V4L2_DEC_CMD_STOP)
+ pr_info("pts=%llu\n", p->stop.pts);
+}
+
+static void v4l_print_dbg_chip_ident(const void *arg, bool write_only)
+{
+ const struct v4l2_dbg_chip_ident *p = arg;
+
+ pr_cont("type=%u, ", p->match.type);
+ if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER)
+ pr_cont("name=%s, ", p->match.name);
+ else
+ pr_cont("addr=%u, ", p->match.addr);
+ pr_cont("chip_ident=%u, revision=0x%x\n",
+ p->ident, p->revision);
+}
+
+static void v4l_print_dbg_register(const void *arg, bool write_only)
+{
+ const struct v4l2_dbg_register *p = arg;
+
+ pr_cont("type=%u, ", p->match.type);
+ if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER)
+ pr_cont("name=%s, ", p->match.name);
+ else
+ pr_cont("addr=%u, ", p->match.addr);
+ pr_cont("reg=0x%llx, val=0x%llx\n",
+ p->reg, p->val);
+}
+
+static void v4l_print_dv_enum_presets(const void *arg, bool write_only)
+{
+ const struct v4l2_dv_enum_preset *p = arg;
+
+ pr_cont("index=%u, preset=%u, name=%s, width=%u, height=%u\n",
+ p->index, p->preset, p->name, p->width, p->height);
+}
+
+static void v4l_print_dv_preset(const void *arg, bool write_only)
+{
+ const struct v4l2_dv_preset *p = arg;
+
+ pr_cont("preset=%u\n", p->preset);
+}
+
+static void v4l_print_dv_timings(const void *arg, bool write_only)
+{
+ const struct v4l2_dv_timings *p = arg;
+
switch (p->type) {
case V4L2_DV_BT_656_1120:
- dbgarg2("bt-656/1120:interlaced=%d,"
- " pixelclock=%lld,"
- " width=%d, height=%d, polarities=%x,"
- " hfrontporch=%d, hsync=%d,"
- " hbackporch=%d, vfrontporch=%d,"
- " vsync=%d, vbackporch=%d,"
- " il_vfrontporch=%d, il_vsync=%d,"
- " il_vbackporch=%d, standards=%x, flags=%x\n",
+ pr_cont("type=bt-656/1120, interlaced=%u, "
+ "pixelclock=%llu, "
+ "width=%u, height=%u, polarities=0x%x, "
+ "hfrontporch=%u, hsync=%u, "
+ "hbackporch=%u, vfrontporch=%u, "
+ "vsync=%u, vbackporch=%u, "
+ "il_vfrontporch=%u, il_vsync=%u, "
+ "il_vbackporch=%u, standards=0x%x, flags=0x%x\n",
p->bt.interlaced, p->bt.pixelclock,
p->bt.width, p->bt.height,
p->bt.polarities, p->bt.hfrontporch,
@@ -394,67 +674,173 @@ static void dbgtimings(struct video_device *vfd,
p->bt.standards, p->bt.flags);
break;
default:
- dbgarg2("Unknown type %d!\n", p->type);
+ pr_cont("type=%d\n", p->type);
break;
}
}
-static inline void v4l_print_pix_fmt(struct video_device *vfd,
- struct v4l2_pix_format *fmt)
+static void v4l_print_enum_dv_timings(const void *arg, bool write_only)
{
- dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, "
- "bytesperline=%d sizeimage=%d, colorspace=%d\n",
- fmt->width, fmt->height,
- (fmt->pixelformat & 0xff),
- (fmt->pixelformat >> 8) & 0xff,
- (fmt->pixelformat >> 16) & 0xff,
- (fmt->pixelformat >> 24) & 0xff,
- prt_names(fmt->field, v4l2_field_names),
- fmt->bytesperline, fmt->sizeimage, fmt->colorspace);
-};
+ const struct v4l2_enum_dv_timings *p = arg;
+
+ pr_cont("index=%u, ", p->index);
+ v4l_print_dv_timings(&p->timings, write_only);
+}
-static inline void v4l_print_pix_fmt_mplane(struct video_device *vfd,
- struct v4l2_pix_format_mplane *fmt)
+static void v4l_print_dv_timings_cap(const void *arg, bool write_only)
{
- int i;
+ const struct v4l2_dv_timings_cap *p = arg;
+
+ switch (p->type) {
+ case V4L2_DV_BT_656_1120:
+ pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, "
+ "pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n",
+ p->bt.min_width, p->bt.max_width,
+ p->bt.min_height, p->bt.max_height,
+ p->bt.min_pixelclock, p->bt.max_pixelclock,
+ p->bt.standards, p->bt.capabilities);
+ break;
+ default:
+ pr_cont("type=%u\n", p->type);
+ break;
+ }
+}
- dbgarg2("width=%d, height=%d, format=%c%c%c%c, field=%s, "
- "colorspace=%d, num_planes=%d\n",
- fmt->width, fmt->height,
- (fmt->pixelformat & 0xff),
- (fmt->pixelformat >> 8) & 0xff,
- (fmt->pixelformat >> 16) & 0xff,
- (fmt->pixelformat >> 24) & 0xff,
- prt_names(fmt->field, v4l2_field_names),
- fmt->colorspace, fmt->num_planes);
+static void v4l_print_frmsizeenum(const void *arg, bool write_only)
+{
+ const struct v4l2_frmsizeenum *p = arg;
- for (i = 0; i < fmt->num_planes; ++i)
- dbgarg2("plane %d: bytesperline=%d sizeimage=%d\n", i,
- fmt->plane_fmt[i].bytesperline,
- fmt->plane_fmt[i].sizeimage);
+ pr_cont("index=%u, pixelformat=%c%c%c%c, type=%u",
+ p->index,
+ (p->pixel_format & 0xff),
+ (p->pixel_format >> 8) & 0xff,
+ (p->pixel_format >> 16) & 0xff,
+ (p->pixel_format >> 24) & 0xff,
+ p->type);
+ switch (p->type) {
+ case V4L2_FRMSIZE_TYPE_DISCRETE:
+ pr_cont(" wxh=%ux%u\n",
+ p->discrete.width, p->discrete.height);
+ break;
+ case V4L2_FRMSIZE_TYPE_STEPWISE:
+ pr_cont(" min=%ux%u, max=%ux%u, step=%ux%u\n",
+ p->stepwise.min_width, p->stepwise.min_height,
+ p->stepwise.step_width, p->stepwise.step_height,
+ p->stepwise.max_width, p->stepwise.max_height);
+ break;
+ case V4L2_FRMSIZE_TYPE_CONTINUOUS:
+ /* fall through */
+ default:
+ pr_cont("\n");
+ break;
+ }
}
-static inline void v4l_print_ext_ctrls(unsigned int cmd,
- struct video_device *vfd, struct v4l2_ext_controls *c, int show_vals)
+static void v4l_print_frmivalenum(const void *arg, bool write_only)
{
- __u32 i;
+ const struct v4l2_frmivalenum *p = arg;
- if (!(vfd->debug & V4L2_DEBUG_IOCTL_ARG))
- return;
- dbgarg(cmd, "");
- printk(KERN_CONT "class=0x%x", c->ctrl_class);
- for (i = 0; i < c->count; i++) {
- if (show_vals && !c->controls[i].size)
- printk(KERN_CONT " id/val=0x%x/0x%x",
- c->controls[i].id, c->controls[i].value);
+ pr_cont("index=%u, pixelformat=%c%c%c%c, wxh=%ux%u, type=%u",
+ p->index,
+ (p->pixel_format & 0xff),
+ (p->pixel_format >> 8) & 0xff,
+ (p->pixel_format >> 16) & 0xff,
+ (p->pixel_format >> 24) & 0xff,
+ p->width, p->height, p->type);
+ switch (p->type) {
+ case V4L2_FRMIVAL_TYPE_DISCRETE:
+ pr_cont(" fps=%d/%d\n",
+ p->discrete.numerator,
+ p->discrete.denominator);
+ break;
+ case V4L2_FRMIVAL_TYPE_STEPWISE:
+ pr_cont(" min=%d/%d, max=%d/%d, step=%d/%d\n",
+ p->stepwise.min.numerator,
+ p->stepwise.min.denominator,
+ p->stepwise.max.numerator,
+ p->stepwise.max.denominator,
+ p->stepwise.step.numerator,
+ p->stepwise.step.denominator);
+ break;
+ case V4L2_FRMIVAL_TYPE_CONTINUOUS:
+ /* fall through */
+ default:
+ pr_cont("\n");
+ break;
+ }
+}
+
+static void v4l_print_event(const void *arg, bool write_only)
+{
+ const struct v4l2_event *p = arg;
+ const struct v4l2_event_ctrl *c;
+
+ pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, "
+ "timestamp=%lu.%9.9lu\n",
+ p->type, p->pending, p->sequence, p->id,
+ p->timestamp.tv_sec, p->timestamp.tv_nsec);
+ switch (p->type) {
+ case V4L2_EVENT_VSYNC:
+ printk(KERN_DEBUG "field=%s\n",
+ prt_names(p->u.vsync.field, v4l2_field_names));
+ break;
+ case V4L2_EVENT_CTRL:
+ c = &p->u.ctrl;
+ printk(KERN_DEBUG "changes=0x%x, type=%u, ",
+ c->changes, c->type);
+ if (c->type == V4L2_CTRL_TYPE_INTEGER64)
+ pr_cont("value64=%lld, ", c->value64);
else
- printk(KERN_CONT " id=0x%x,size=%u",
- c->controls[i].id, c->controls[i].size);
+ pr_cont("value=%d, ", c->value);
+ pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d,"
+ " default_value=%d\n",
+ c->flags, c->minimum, c->maximum,
+ c->step, c->default_value);
+ break;
+ case V4L2_EVENT_FRAME_SYNC:
+ pr_cont("frame_sequence=%u\n",
+ p->u.frame_sync.frame_sequence);
+ break;
}
- printk(KERN_CONT "\n");
-};
+}
-static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
+static void v4l_print_event_subscription(const void *arg, bool write_only)
+{
+ const struct v4l2_event_subscription *p = arg;
+
+ pr_cont("type=0x%x, id=0x%x, flags=0x%x\n",
+ p->type, p->id, p->flags);
+}
+
+static void v4l_print_sliced_vbi_cap(const void *arg, bool write_only)
+{
+ const struct v4l2_sliced_vbi_cap *p = arg;
+ int i;
+
+ pr_cont("type=%s, service_set=0x%08x\n",
+ prt_names(p->type, v4l2_type_names), p->service_set);
+ for (i = 0; i < 24; i++)
+ printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i,
+ p->service_lines[0][i],
+ p->service_lines[1][i]);
+}
+
+static void v4l_print_u32(const void *arg, bool write_only)
+{
+ pr_cont("value=%u\n", *(const u32 *)arg);
+}
+
+static void v4l_print_newline(const void *arg, bool write_only)
+{
+ pr_cont("\n");
+}
+
+static void v4l_print_default(const void *arg, bool write_only)
+{
+ pr_cont("driver-specific ioctl\n");
+}
+
+static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv)
{
__u32 i;
@@ -536,1615 +922,1159 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
return -EINVAL;
}
-static long __video_do_ioctl(struct file *file,
- unsigned int cmd, void *arg)
+static int v4l_querycap(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
{
- struct video_device *vfd = video_devdata(file);
- const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
- void *fh = file->private_data;
- struct v4l2_fh *vfh = NULL;
- int use_fh_prio = 0;
- long ret = -ENOTTY;
+ struct v4l2_capability *cap = (struct v4l2_capability *)arg;
- if (ops == NULL) {
- printk(KERN_WARNING "videodev: \"%s\" has no ioctl_ops.\n",
- vfd->name);
- return ret;
- }
-
- if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
- vfh = file->private_data;
- use_fh_prio = test_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
- }
+ cap->version = LINUX_VERSION_CODE;
+ return ops->vidioc_querycap(file, fh, cap);
+}
- if (v4l2_is_known_ioctl(cmd)) {
- struct v4l2_ioctl_info *info = &v4l2_ioctls[_IOC_NR(cmd)];
+static int v4l_s_input(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_s_input(file, fh, *(unsigned int *)arg);
+}
- if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
- !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))
- return -ENOTTY;
+static int v4l_s_output(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_s_output(file, fh, *(unsigned int *)arg);
+}
- if (use_fh_prio && (info->flags & INFO_FL_PRIO)) {
- ret = v4l2_prio_check(vfd->prio, vfh->prio);
- if (ret)
- return ret;
- }
- }
+static int v4l_g_priority(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd;
+ u32 *p = arg;
- if ((vfd->debug & V4L2_DEBUG_IOCTL) &&
- !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) {
- v4l_print_ioctl(vfd->name, cmd);
- printk(KERN_CONT "\n");
- }
+ if (ops->vidioc_g_priority)
+ return ops->vidioc_g_priority(file, fh, arg);
+ vfd = video_devdata(file);
+ *p = v4l2_prio_max(&vfd->v4l2_dev->prio);
+ return 0;
+}
- switch (cmd) {
+static int v4l_s_priority(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd;
+ struct v4l2_fh *vfh;
+ u32 *p = arg;
+
+ if (ops->vidioc_s_priority)
+ return ops->vidioc_s_priority(file, fh, *p);
+ vfd = video_devdata(file);
+ vfh = file->private_data;
+ return v4l2_prio_change(&vfd->v4l2_dev->prio, &vfh->prio, *p);
+}
- /* --- capabilities ------------------------------------------ */
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *cap = (struct v4l2_capability *)arg;
-
- cap->version = LINUX_VERSION_CODE;
- ret = ops->vidioc_querycap(file, fh, cap);
- if (!ret)
- dbgarg(cmd, "driver=%s, card=%s, bus=%s, "
- "version=0x%08x, "
- "capabilities=0x%08x, "
- "device_caps=0x%08x\n",
- cap->driver, cap->card, cap->bus_info,
- cap->version,
- cap->capabilities,
- cap->device_caps);
- break;
- }
+static int v4l_enuminput(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_input *p = arg;
- /* --- priority ------------------------------------------ */
- case VIDIOC_G_PRIORITY:
- {
- enum v4l2_priority *p = arg;
+ /*
+ * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
+ * CAP_STD here based on ioctl handler provided by the
+ * driver. If the driver doesn't support these
+ * for a specific input, it must override these flags.
+ */
+ if (ops->vidioc_s_std)
+ p->capabilities |= V4L2_IN_CAP_STD;
+ if (ops->vidioc_s_dv_preset)
+ p->capabilities |= V4L2_IN_CAP_PRESETS;
+ if (ops->vidioc_s_dv_timings)
+ p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS;
+
+ return ops->vidioc_enum_input(file, fh, p);
+}
- if (ops->vidioc_g_priority) {
- ret = ops->vidioc_g_priority(file, fh, p);
- } else if (use_fh_prio) {
- *p = v4l2_prio_max(&vfd->v4l2_dev->prio);
- ret = 0;
- }
- if (!ret)
- dbgarg(cmd, "priority is %d\n", *p);
- break;
- }
- case VIDIOC_S_PRIORITY:
- {
- enum v4l2_priority *p = arg;
+static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_output *p = arg;
- dbgarg(cmd, "setting priority to %d\n", *p);
- if (ops->vidioc_s_priority)
- ret = ops->vidioc_s_priority(file, fh, *p);
- else
- ret = v4l2_prio_change(&vfd->v4l2_dev->prio,
- &vfh->prio, *p);
- break;
- }
+ /*
+ * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
+ * CAP_STD here based on ioctl handler provided by the
+ * driver. If the driver doesn't support these
+ * for a specific output, it must override these flags.
+ */
+ if (ops->vidioc_s_std)
+ p->capabilities |= V4L2_OUT_CAP_STD;
+ if (ops->vidioc_s_dv_preset)
+ p->capabilities |= V4L2_OUT_CAP_PRESETS;
+ if (ops->vidioc_s_dv_timings)
+ p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS;
+
+ return ops->vidioc_enum_output(file, fh, p);
+}
- /* --- capture ioctls ---------------------------------------- */
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *f = arg;
+static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_fmtdesc *p = arg;
- ret = -EINVAL;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (likely(ops->vidioc_enum_fmt_vid_cap))
- ret = ops->vidioc_enum_fmt_vid_cap(file, fh, f);
- break;
- case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- if (likely(ops->vidioc_enum_fmt_vid_cap_mplane))
- ret = ops->vidioc_enum_fmt_vid_cap_mplane(file,
- fh, f);
+ switch (p->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (unlikely(!ops->vidioc_enum_fmt_vid_cap))
break;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (likely(ops->vidioc_enum_fmt_vid_overlay))
- ret = ops->vidioc_enum_fmt_vid_overlay(file,
- fh, f);
+ return ops->vidioc_enum_fmt_vid_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ if (unlikely(!ops->vidioc_enum_fmt_vid_cap_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (likely(ops->vidioc_enum_fmt_vid_out))
- ret = ops->vidioc_enum_fmt_vid_out(file, fh, f);
+ return ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ if (unlikely(!ops->vidioc_enum_fmt_vid_overlay))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- if (likely(ops->vidioc_enum_fmt_vid_out_mplane))
- ret = ops->vidioc_enum_fmt_vid_out_mplane(file,
- fh, f);
+ return ops->vidioc_enum_fmt_vid_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ if (unlikely(!ops->vidioc_enum_fmt_vid_out))
break;
- case V4L2_BUF_TYPE_PRIVATE:
- if (likely(ops->vidioc_enum_fmt_type_private))
- ret = ops->vidioc_enum_fmt_type_private(file,
- fh, f);
+ return ops->vidioc_enum_fmt_vid_out(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ if (unlikely(!ops->vidioc_enum_fmt_vid_out_mplane))
break;
- default:
+ return ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_PRIVATE:
+ if (unlikely(!ops->vidioc_enum_fmt_type_private))
break;
- }
- if (likely(!ret))
- dbgarg(cmd, "index=%d, type=%d, flags=%d, "
- "pixelformat=%c%c%c%c, description='%s'\n",
- f->index, f->type, f->flags,
- (f->pixelformat & 0xff),
- (f->pixelformat >> 8) & 0xff,
- (f->pixelformat >> 16) & 0xff,
- (f->pixelformat >> 24) & 0xff,
- f->description);
- break;
+ return ops->vidioc_enum_fmt_type_private(file, fh, arg);
}
- case VIDIOC_G_FMT:
- {
- struct v4l2_format *f = (struct v4l2_format *)arg;
-
- /* FIXME: Should be one dump per type */
- dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names));
-
- ret = -EINVAL;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (ops->vidioc_g_fmt_vid_cap)
- ret = ops->vidioc_g_fmt_vid_cap(file, fh, f);
- if (!ret)
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
+ return -EINVAL;
+}
+
+static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_format *p = arg;
+
+ switch (p->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (unlikely(!ops->vidioc_g_fmt_vid_cap))
break;
- case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- if (ops->vidioc_g_fmt_vid_cap_mplane)
- ret = ops->vidioc_g_fmt_vid_cap_mplane(file,
- fh, f);
- if (!ret)
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
+ return ops->vidioc_g_fmt_vid_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ if (unlikely(!ops->vidioc_g_fmt_vid_cap_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (likely(ops->vidioc_g_fmt_vid_overlay))
- ret = ops->vidioc_g_fmt_vid_overlay(file,
- fh, f);
+ return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ if (unlikely(!ops->vidioc_g_fmt_vid_overlay))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (ops->vidioc_g_fmt_vid_out)
- ret = ops->vidioc_g_fmt_vid_out(file, fh, f);
- if (!ret)
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
+ return ops->vidioc_g_fmt_vid_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ if (unlikely(!ops->vidioc_g_fmt_vid_out))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- if (ops->vidioc_g_fmt_vid_out_mplane)
- ret = ops->vidioc_g_fmt_vid_out_mplane(file,
- fh, f);
- if (!ret)
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
+ return ops->vidioc_g_fmt_vid_out(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ if (unlikely(!ops->vidioc_g_fmt_vid_out_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (likely(ops->vidioc_g_fmt_vid_out_overlay))
- ret = ops->vidioc_g_fmt_vid_out_overlay(file,
- fh, f);
+ return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ if (unlikely(!ops->vidioc_g_fmt_vid_out_overlay))
break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (likely(ops->vidioc_g_fmt_vbi_cap))
- ret = ops->vidioc_g_fmt_vbi_cap(file, fh, f);
+ return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_g_fmt_vbi_cap))
break;
- case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (likely(ops->vidioc_g_fmt_vbi_out))
- ret = ops->vidioc_g_fmt_vbi_out(file, fh, f);
+ return ops->vidioc_g_fmt_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_g_fmt_vbi_out))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (likely(ops->vidioc_g_fmt_sliced_vbi_cap))
- ret = ops->vidioc_g_fmt_sliced_vbi_cap(file,
- fh, f);
+ return ops->vidioc_g_fmt_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_g_fmt_sliced_vbi_cap))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (likely(ops->vidioc_g_fmt_sliced_vbi_out))
- ret = ops->vidioc_g_fmt_sliced_vbi_out(file,
- fh, f);
+ return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_g_fmt_sliced_vbi_out))
break;
- case V4L2_BUF_TYPE_PRIVATE:
- if (likely(ops->vidioc_g_fmt_type_private))
- ret = ops->vidioc_g_fmt_type_private(file,
- fh, f);
+ return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_PRIVATE:
+ if (unlikely(!ops->vidioc_g_fmt_type_private))
break;
- }
- break;
+ return ops->vidioc_g_fmt_type_private(file, fh, arg);
}
- case VIDIOC_S_FMT:
- {
- struct v4l2_format *f = (struct v4l2_format *)arg;
-
- ret = -EINVAL;
+ return -EINVAL;
+}
- /* FIXME: Should be one dump per type */
- dbgarg(cmd, "type=%s\n", prt_names(f->type, v4l2_type_names));
+static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_format *p = arg;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.pix);
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (ops->vidioc_s_fmt_vid_cap)
- ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
+ switch (p->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (unlikely(!ops->vidioc_s_fmt_vid_cap))
break;
- case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
- if (ops->vidioc_s_fmt_vid_cap_mplane)
- ret = ops->vidioc_s_fmt_vid_cap_mplane(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix);
+ return ops->vidioc_s_fmt_vid_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- CLEAR_AFTER_FIELD(f, fmt.win);
- if (ops->vidioc_s_fmt_vid_overlay)
- ret = ops->vidioc_s_fmt_vid_overlay(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix_mp);
+ return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ if (unlikely(!ops->vidioc_s_fmt_vid_overlay))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.pix);
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
- if (ops->vidioc_s_fmt_vid_out)
- ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.win);
+ return ops->vidioc_s_fmt_vid_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ if (unlikely(!ops->vidioc_s_fmt_vid_out))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
- if (ops->vidioc_s_fmt_vid_out_mplane)
- ret = ops->vidioc_s_fmt_vid_out_mplane(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix);
+ return ops->vidioc_s_fmt_vid_out(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- CLEAR_AFTER_FIELD(f, fmt.win);
- if (ops->vidioc_s_fmt_vid_out_overlay)
- ret = ops->vidioc_s_fmt_vid_out_overlay(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix_mp);
+ return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay))
break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (likely(ops->vidioc_s_fmt_vbi_cap))
- ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.win);
+ return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_s_fmt_vbi_cap))
break;
- case V4L2_BUF_TYPE_VBI_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (likely(ops->vidioc_s_fmt_vbi_out))
- ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.vbi);
+ return ops->vidioc_s_fmt_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_s_fmt_vbi_out))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (likely(ops->vidioc_s_fmt_sliced_vbi_cap))
- ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.vbi);
+ return ops->vidioc_s_fmt_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_cap))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (likely(ops->vidioc_s_fmt_sliced_vbi_out))
- ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
- fh, f);
-
+ CLEAR_AFTER_FIELD(p, fmt.sliced);
+ return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_out))
break;
- case V4L2_BUF_TYPE_PRIVATE:
- /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
- if (likely(ops->vidioc_s_fmt_type_private))
- ret = ops->vidioc_s_fmt_type_private(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.sliced);
+ return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_PRIVATE:
+ if (unlikely(!ops->vidioc_s_fmt_type_private))
break;
- }
- break;
+ return ops->vidioc_s_fmt_type_private(file, fh, arg);
}
- case VIDIOC_TRY_FMT:
- {
- struct v4l2_format *f = (struct v4l2_format *)arg;
-
- /* FIXME: Should be one dump per type */
- dbgarg(cmd, "type=%s\n", prt_names(f->type,
- v4l2_type_names));
- ret = -EINVAL;
- switch (f->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.pix);
- if (ops->vidioc_try_fmt_vid_cap)
- ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
- if (!ret)
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
+ return -EINVAL;
+}
+
+static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_format *p = arg;
+
+ switch (p->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (unlikely(!ops->vidioc_try_fmt_vid_cap))
break;
- case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
- CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- if (ops->vidioc_try_fmt_vid_cap_mplane)
- ret = ops->vidioc_try_fmt_vid_cap_mplane(file,
- fh, f);
- if (!ret)
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
+ CLEAR_AFTER_FIELD(p, fmt.pix);
+ return ops->vidioc_try_fmt_vid_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- CLEAR_AFTER_FIELD(f, fmt.win);
- if (likely(ops->vidioc_try_fmt_vid_overlay))
- ret = ops->vidioc_try_fmt_vid_overlay(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix_mp);
+ return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ if (unlikely(!ops->vidioc_try_fmt_vid_overlay))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.pix);
- if (ops->vidioc_try_fmt_vid_out)
- ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
- if (!ret)
- v4l_print_pix_fmt(vfd, &f->fmt.pix);
+ CLEAR_AFTER_FIELD(p, fmt.win);
+ return ops->vidioc_try_fmt_vid_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ if (unlikely(!ops->vidioc_try_fmt_vid_out))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
- CLEAR_AFTER_FIELD(f, fmt.pix_mp);
- if (ops->vidioc_try_fmt_vid_out_mplane)
- ret = ops->vidioc_try_fmt_vid_out_mplane(file,
- fh, f);
- if (!ret)
- v4l_print_pix_fmt_mplane(vfd, &f->fmt.pix_mp);
+ CLEAR_AFTER_FIELD(p, fmt.pix);
+ return ops->vidioc_try_fmt_vid_out(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane))
break;
- case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- CLEAR_AFTER_FIELD(f, fmt.win);
- if (likely(ops->vidioc_try_fmt_vid_out_overlay))
- ret = ops->vidioc_try_fmt_vid_out_overlay(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.pix_mp);
+ return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg);
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay))
break;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (likely(ops->vidioc_try_fmt_vbi_cap))
- ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.win);
+ return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_try_fmt_vbi_cap))
break;
- case V4L2_BUF_TYPE_VBI_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.vbi);
- if (likely(ops->vidioc_try_fmt_vbi_out))
- ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.vbi);
+ return ops->vidioc_try_fmt_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_try_fmt_vbi_out))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (likely(ops->vidioc_try_fmt_sliced_vbi_cap))
- ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.vbi);
+ return ops->vidioc_try_fmt_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_cap))
break;
- case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- CLEAR_AFTER_FIELD(f, fmt.sliced);
- if (likely(ops->vidioc_try_fmt_sliced_vbi_out))
- ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.sliced);
+ return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg);
+ case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_out))
break;
- case V4L2_BUF_TYPE_PRIVATE:
- /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
- if (likely(ops->vidioc_try_fmt_type_private))
- ret = ops->vidioc_try_fmt_type_private(file,
- fh, f);
+ CLEAR_AFTER_FIELD(p, fmt.sliced);
+ return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg);
+ case V4L2_BUF_TYPE_PRIVATE:
+ if (unlikely(!ops->vidioc_try_fmt_type_private))
break;
- }
- break;
+ return ops->vidioc_try_fmt_type_private(file, fh, arg);
}
- /* FIXME: Those buf reqs could be handled here,
- with some changes on videobuf to allow its header to be included at
- videodev2.h or being merged at videodev2.
- */
- case VIDIOC_REQBUFS:
- {
- struct v4l2_requestbuffers *p = arg;
-
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
+ return -EINVAL;
+}
- if (p->type < V4L2_BUF_TYPE_PRIVATE)
- CLEAR_AFTER_FIELD(p, memory);
+static int v4l_streamon(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_streamon(file, fh, *(unsigned int *)arg);
+}
- ret = ops->vidioc_reqbufs(file, fh, p);
- dbgarg(cmd, "count=%d, type=%s, memory=%s\n",
- p->count,
- prt_names(p->type, v4l2_type_names),
- prt_names(p->memory, v4l2_memory_names));
- break;
- }
- case VIDIOC_QUERYBUF:
- {
- struct v4l2_buffer *p = arg;
+static int v4l_streamoff(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg);
+}
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
+static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_tuner *p = arg;
- ret = ops->vidioc_querybuf(file, fh, p);
- if (!ret)
- dbgbuf(cmd, vfd, p);
- break;
- }
- case VIDIOC_QBUF:
- {
- struct v4l2_buffer *p = arg;
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_g_tuner(file, fh, p);
+}
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
+static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_tuner *p = arg;
- ret = ops->vidioc_qbuf(file, fh, p);
- if (!ret)
- dbgbuf(cmd, vfd, p);
- break;
- }
- case VIDIOC_DQBUF:
- {
- struct v4l2_buffer *p = arg;
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_s_tuner(file, fh, p);
+}
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
+static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_frequency *p = arg;
- ret = ops->vidioc_dqbuf(file, fh, p);
- if (!ret)
- dbgbuf(cmd, vfd, p);
- break;
- }
- case VIDIOC_OVERLAY:
- {
- int *i = arg;
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_g_frequency(file, fh, p);
+}
- dbgarg(cmd, "value=%d\n", *i);
- ret = ops->vidioc_overlay(file, fh, *i);
- break;
- }
- case VIDIOC_G_FBUF:
- {
- struct v4l2_framebuffer *p = arg;
-
- ret = ops->vidioc_g_fbuf(file, fh, arg);
- if (!ret) {
- dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n",
- p->capability, p->flags,
- (unsigned long)p->base);
- v4l_print_pix_fmt(vfd, &p->fmt);
- }
- break;
- }
- case VIDIOC_S_FBUF:
- {
- struct v4l2_framebuffer *p = arg;
-
- dbgarg(cmd, "capability=0x%x, flags=%d, base=0x%08lx\n",
- p->capability, p->flags, (unsigned long)p->base);
- v4l_print_pix_fmt(vfd, &p->fmt);
- ret = ops->vidioc_s_fbuf(file, fh, arg);
- break;
- }
- case VIDIOC_STREAMON:
- {
- enum v4l2_buf_type i = *(int *)arg;
+static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_frequency *p = arg;
+ enum v4l2_tuner_type type;
- dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
- ret = ops->vidioc_streamon(file, fh, i);
- break;
- }
- case VIDIOC_STREAMOFF:
- {
- enum v4l2_buf_type i = *(int *)arg;
+ type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ if (p->type != type)
+ return -EINVAL;
+ return ops->vidioc_s_frequency(file, fh, p);
+}
- dbgarg(cmd, "type=%s\n", prt_names(i, v4l2_type_names));
- ret = ops->vidioc_streamoff(file, fh, i);
- break;
- }
- /* ---------- tv norms ---------- */
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *p = arg;
- v4l2_std_id id = vfd->tvnorms, curr_id = 0;
- unsigned int index = p->index, i, j = 0;
- const char *descr = "";
-
- if (id == 0)
- break;
- ret = -EINVAL;
-
- /* Return norm array in a canonical way */
- for (i = 0; i <= index && id; i++) {
- /* last std value in the standards array is 0, so this
- while always ends there since (id & 0) == 0. */
- while ((id & standards[j].std) != standards[j].std)
- j++;
- curr_id = standards[j].std;
- descr = standards[j].descr;
+static int v4l_enumstd(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_standard *p = arg;
+ v4l2_std_id id = vfd->tvnorms, curr_id = 0;
+ unsigned int index = p->index, i, j = 0;
+ const char *descr = "";
+
+ /* Return norm array in a canonical way */
+ for (i = 0; i <= index && id; i++) {
+ /* last std value in the standards array is 0, so this
+ while always ends there since (id & 0) == 0. */
+ while ((id & standards[j].std) != standards[j].std)
j++;
- if (curr_id == 0)
- break;
- if (curr_id != V4L2_STD_PAL &&
- curr_id != V4L2_STD_SECAM &&
- curr_id != V4L2_STD_NTSC)
- id &= ~curr_id;
- }
- if (i <= index)
+ curr_id = standards[j].std;
+ descr = standards[j].descr;
+ j++;
+ if (curr_id == 0)
break;
-
- v4l2_video_std_construct(p, curr_id, descr);
-
- dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, "
- "framelines=%d\n", p->index,
- (unsigned long long)p->id, p->name,
- p->frameperiod.numerator,
- p->frameperiod.denominator,
- p->framelines);
-
- ret = 0;
- break;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
-
- /* Calls the specific handler */
- if (ops->vidioc_g_std)
- ret = ops->vidioc_g_std(file, fh, id);
- else if (vfd->current_norm) {
- ret = 0;
- *id = vfd->current_norm;
- }
-
- if (likely(!ret))
- dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id);
- break;
+ if (curr_id != V4L2_STD_PAL &&
+ curr_id != V4L2_STD_SECAM &&
+ curr_id != V4L2_STD_NTSC)
+ id &= ~curr_id;
}
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg, norm;
-
- dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id);
-
- ret = -EINVAL;
- norm = (*id) & vfd->tvnorms;
- if (vfd->tvnorms && !norm) /* Check if std is supported */
- break;
-
- /* Calls the specific handler */
- ret = ops->vidioc_s_std(file, fh, &norm);
-
- /* Updates standard information */
- if (ret >= 0)
- vfd->current_norm = norm;
- break;
- }
- case VIDIOC_QUERYSTD:
- {
- v4l2_std_id *p = arg;
-
- /*
- * If nothing detected, it should return all supported
- * Drivers just need to mask the std argument, in order
- * to remove the standards that don't apply from the mask.
- * This means that tuners, audio and video decoders can join
- * their efforts to improve the standards detection
- */
- *p = vfd->tvnorms;
- ret = ops->vidioc_querystd(file, fh, arg);
- if (!ret)
- dbgarg(cmd, "detected std=%08Lx\n",
- (unsigned long long)*p);
- break;
- }
- /* ------ input switching ---------- */
- /* FIXME: Inputs can be handled inside videodev2 */
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *p = arg;
+ if (i <= index)
+ return -EINVAL;
- /*
- * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
- * CAP_STD here based on ioctl handler provided by the
- * driver. If the driver doesn't support these
- * for a specific input, it must override these flags.
- */
- if (ops->vidioc_s_std)
- p->capabilities |= V4L2_IN_CAP_STD;
- if (ops->vidioc_s_dv_preset)
- p->capabilities |= V4L2_IN_CAP_PRESETS;
- if (ops->vidioc_s_dv_timings)
- p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS;
-
- ret = ops->vidioc_enum_input(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "audioset=%d, "
- "tuner=%d, std=%08Lx, status=%d\n",
- p->index, p->name, p->type, p->audioset,
- p->tuner,
- (unsigned long long)p->std,
- p->status);
- break;
- }
- case VIDIOC_G_INPUT:
- {
- unsigned int *i = arg;
+ v4l2_video_std_construct(p, curr_id, descr);
+ return 0;
+}
- ret = ops->vidioc_g_input(file, fh, i);
- if (!ret)
- dbgarg(cmd, "value=%d\n", *i);
- break;
- }
- case VIDIOC_S_INPUT:
- {
- unsigned int *i = arg;
+static int v4l_g_std(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *id = arg;
- dbgarg(cmd, "value=%d\n", *i);
- ret = ops->vidioc_s_input(file, fh, *i);
- break;
+ /* Calls the specific handler */
+ if (ops->vidioc_g_std)
+ return ops->vidioc_g_std(file, fh, arg);
+ if (vfd->current_norm) {
+ *id = vfd->current_norm;
+ return 0;
}
+ return -ENOTTY;
+}
- /* ------ output switching ---------- */
- case VIDIOC_ENUMOUTPUT:
- {
- struct v4l2_output *p = arg;
-
- /*
- * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
- * CAP_STD here based on ioctl handler provided by the
- * driver. If the driver doesn't support these
- * for a specific output, it must override these flags.
- */
- if (ops->vidioc_s_std)
- p->capabilities |= V4L2_OUT_CAP_STD;
- if (ops->vidioc_s_dv_preset)
- p->capabilities |= V4L2_OUT_CAP_PRESETS;
- if (ops->vidioc_s_dv_timings)
- p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS;
-
- ret = ops->vidioc_enum_output(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "audioset=0x%x, "
- "modulator=%d, std=0x%08Lx\n",
- p->index, p->name, p->type, p->audioset,
- p->modulator, (unsigned long long)p->std);
- break;
- }
- case VIDIOC_G_OUTPUT:
- {
- unsigned int *i = arg;
+static int v4l_s_std(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *id = arg, norm;
+ int ret;
- ret = ops->vidioc_g_output(file, fh, i);
- if (!ret)
- dbgarg(cmd, "value=%d\n", *i);
- break;
- }
- case VIDIOC_S_OUTPUT:
- {
- unsigned int *i = arg;
+ norm = (*id) & vfd->tvnorms;
+ if (vfd->tvnorms && !norm) /* Check if std is supported */
+ return -EINVAL;
- dbgarg(cmd, "value=%d\n", *i);
- ret = ops->vidioc_s_output(file, fh, *i);
- break;
- }
+ /* Calls the specific handler */
+ ret = ops->vidioc_s_std(file, fh, &norm);
- /* --- controls ---------------------------------------------- */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *p = arg;
-
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_queryctrl(vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_queryctrl(vfd->ctrl_handler, p);
- else if (ops->vidioc_queryctrl)
- ret = ops->vidioc_queryctrl(file, fh, p);
- else
- break;
- if (!ret)
- dbgarg(cmd, "id=0x%x, type=%d, name=%s, min/max=%d/%d, "
- "step=%d, default=%d, flags=0x%08x\n",
- p->id, p->type, p->name,
- p->minimum, p->maximum,
- p->step, p->default_value, p->flags);
- else
- dbgarg(cmd, "id=0x%x\n", p->id);
- break;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *p = arg;
-
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_g_ctrl(vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_g_ctrl(vfd->ctrl_handler, p);
- else if (ops->vidioc_g_ctrl)
- ret = ops->vidioc_g_ctrl(file, fh, p);
- else if (ops->vidioc_g_ext_ctrls) {
- struct v4l2_ext_controls ctrls;
- struct v4l2_ext_control ctrl;
-
- ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
- ctrls.count = 1;
- ctrls.controls = &ctrl;
- ctrl.id = p->id;
- ctrl.value = p->value;
- if (check_ext_ctrls(&ctrls, 1)) {
- ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
- if (ret == 0)
- p->value = ctrl.value;
- }
- } else
- break;
- if (!ret)
- dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
- else
- dbgarg(cmd, "id=0x%x\n", p->id);
- break;
- }
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *p = arg;
- struct v4l2_ext_controls ctrls;
- struct v4l2_ext_control ctrl;
-
- if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
- !ops->vidioc_s_ctrl && !ops->vidioc_s_ext_ctrls)
- break;
+ /* Updates standard information */
+ if (ret >= 0)
+ vfd->current_norm = norm;
+ return ret;
+}
- dbgarg(cmd, "id=0x%x, value=%d\n", p->id, p->value);
+static int v4l_querystd(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *p = arg;
+
+ /*
+ * If nothing detected, it should return all supported
+ * standard.
+ * Drivers just need to mask the std argument, in order
+ * to remove the standards that don't apply from the mask.
+ * This means that tuners, audio and video decoders can join
+ * their efforts to improve the standards detection.
+ */
+ *p = vfd->tvnorms;
+ return ops->vidioc_querystd(file, fh, arg);
+}
- if (vfh && vfh->ctrl_handler) {
- ret = v4l2_s_ctrl(vfh, vfh->ctrl_handler, p);
- break;
- }
- if (vfd->ctrl_handler) {
- ret = v4l2_s_ctrl(NULL, vfd->ctrl_handler, p);
- break;
- }
- if (ops->vidioc_s_ctrl) {
- ret = ops->vidioc_s_ctrl(file, fh, p);
- break;
- }
- if (!ops->vidioc_s_ext_ctrls)
- break;
+static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_hw_freq_seek *p = arg;
+ enum v4l2_tuner_type type;
- ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
- ctrls.count = 1;
- ctrls.controls = &ctrl;
- ctrl.id = p->id;
- ctrl.value = p->value;
- if (check_ext_ctrls(&ctrls, 1))
- ret = ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
- else
- ret = -EINVAL;
- break;
- }
- case VIDIOC_G_EXT_CTRLS:
- {
- struct v4l2_ext_controls *p = arg;
-
- p->error_idx = p->count;
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_g_ext_ctrls(vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_g_ext_ctrls(vfd->ctrl_handler, p);
- else if (ops->vidioc_g_ext_ctrls)
- ret = check_ext_ctrls(p, 0) ?
- ops->vidioc_g_ext_ctrls(file, fh, p) :
- -EINVAL;
- else
- break;
- v4l_print_ext_ctrls(cmd, vfd, p, !ret);
- break;
- }
- case VIDIOC_S_EXT_CTRLS:
- {
- struct v4l2_ext_controls *p = arg;
+ type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ if (p->type != type)
+ return -EINVAL;
+ return ops->vidioc_s_hw_freq_seek(file, fh, p);
+}
- p->error_idx = p->count;
- if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
- !ops->vidioc_s_ext_ctrls)
- break;
- v4l_print_ext_ctrls(cmd, vfd, p, 1);
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p);
- else if (check_ext_ctrls(p, 0))
- ret = ops->vidioc_s_ext_ctrls(file, fh, p);
- else
- ret = -EINVAL;
- break;
- }
- case VIDIOC_TRY_EXT_CTRLS:
- {
- struct v4l2_ext_controls *p = arg;
+static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_requestbuffers *p = arg;
+ int ret = check_fmt(ops, p->type);
- p->error_idx = p->count;
- if (!(vfh && vfh->ctrl_handler) && !vfd->ctrl_handler &&
- !ops->vidioc_try_ext_ctrls)
- break;
- v4l_print_ext_ctrls(cmd, vfd, p, 1);
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_try_ext_ctrls(vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_try_ext_ctrls(vfd->ctrl_handler, p);
- else if (check_ext_ctrls(p, 0))
- ret = ops->vidioc_try_ext_ctrls(file, fh, p);
- else
- ret = -EINVAL;
- break;
- }
- case VIDIOC_QUERYMENU:
- {
- struct v4l2_querymenu *p = arg;
-
- if (vfh && vfh->ctrl_handler)
- ret = v4l2_querymenu(vfh->ctrl_handler, p);
- else if (vfd->ctrl_handler)
- ret = v4l2_querymenu(vfd->ctrl_handler, p);
- else if (ops->vidioc_querymenu)
- ret = ops->vidioc_querymenu(file, fh, p);
- else
- break;
- if (!ret)
- dbgarg(cmd, "id=0x%x, index=%d, name=%s\n",
- p->id, p->index, p->name);
- else
- dbgarg(cmd, "id=0x%x, index=%d\n",
- p->id, p->index);
- break;
- }
- /* --- audio ---------------------------------------------- */
- case VIDIOC_ENUMAUDIO:
- {
- struct v4l2_audio *p = arg;
-
- ret = ops->vidioc_enumaudio(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
- "mode=0x%x\n", p->index, p->name,
- p->capability, p->mode);
- else
- dbgarg(cmd, "index=%d\n", p->index);
- break;
- }
- case VIDIOC_G_AUDIO:
- {
- struct v4l2_audio *p = arg;
-
- ret = ops->vidioc_g_audio(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
- "mode=0x%x\n", p->index,
- p->name, p->capability, p->mode);
- else
- dbgarg(cmd, "index=%d\n", p->index);
- break;
- }
- case VIDIOC_S_AUDIO:
- {
- struct v4l2_audio *p = arg;
-
- dbgarg(cmd, "index=%d, name=%s, capability=0x%x, "
- "mode=0x%x\n", p->index, p->name,
- p->capability, p->mode);
- ret = ops->vidioc_s_audio(file, fh, p);
- break;
- }
- case VIDIOC_ENUMAUDOUT:
- {
- struct v4l2_audioout *p = arg;
-
- dbgarg(cmd, "Enum for index=%d\n", p->index);
- ret = ops->vidioc_enumaudout(file, fh, p);
- if (!ret)
- dbgarg2("index=%d, name=%s, capability=%d, "
- "mode=%d\n", p->index, p->name,
- p->capability, p->mode);
- break;
- }
- case VIDIOC_G_AUDOUT:
- {
- struct v4l2_audioout *p = arg;
-
- ret = ops->vidioc_g_audout(file, fh, p);
- if (!ret)
- dbgarg2("index=%d, name=%s, capability=%d, "
- "mode=%d\n", p->index, p->name,
- p->capability, p->mode);
- break;
- }
- case VIDIOC_S_AUDOUT:
- {
- struct v4l2_audioout *p = arg;
+ if (ret)
+ return ret;
- dbgarg(cmd, "index=%d, name=%s, capability=%d, "
- "mode=%d\n", p->index, p->name,
- p->capability, p->mode);
+ if (p->type < V4L2_BUF_TYPE_PRIVATE)
+ CLEAR_AFTER_FIELD(p, memory);
- ret = ops->vidioc_s_audout(file, fh, p);
- break;
- }
- case VIDIOC_G_MODULATOR:
- {
- struct v4l2_modulator *p = arg;
-
- ret = ops->vidioc_g_modulator(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, "
- "capability=%d, rangelow=%d,"
- " rangehigh=%d, txsubchans=%d\n",
- p->index, p->name, p->capability,
- p->rangelow, p->rangehigh,
- p->txsubchans);
- break;
- }
- case VIDIOC_S_MODULATOR:
- {
- struct v4l2_modulator *p = arg;
-
- dbgarg(cmd, "index=%d, name=%s, capability=%d, "
- "rangelow=%d, rangehigh=%d, txsubchans=%d\n",
- p->index, p->name, p->capability, p->rangelow,
- p->rangehigh, p->txsubchans);
- ret = ops->vidioc_s_modulator(file, fh, p);
- break;
- }
- case VIDIOC_G_CROP:
- {
- struct v4l2_crop *p = arg;
+ return ops->vidioc_reqbufs(file, fh, p);
+}
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
+static int v4l_querybuf(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_buffer *p = arg;
+ int ret = check_fmt(ops, p->type);
- if (ops->vidioc_g_crop) {
- ret = ops->vidioc_g_crop(file, fh, p);
- } else {
- /* simulate capture crop using selection api */
- struct v4l2_selection s = {
- .type = p->type,
- };
-
- /* crop means compose for output devices */
- if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
- else
- s.target = V4L2_SEL_TGT_CROP_ACTIVE;
-
- ret = ops->vidioc_g_selection(file, fh, &s);
-
- /* copying results to old structure on success */
- if (!ret)
- p->c = s.r;
- }
+ return ret ? ret : ops->vidioc_querybuf(file, fh, p);
+}
- if (!ret)
- dbgrect(vfd, "", &p->c);
- break;
- }
- case VIDIOC_S_CROP:
- {
- struct v4l2_crop *p = arg;
+static int v4l_qbuf(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_buffer *p = arg;
+ int ret = check_fmt(ops, p->type);
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- dbgrect(vfd, "", &p->c);
+ return ret ? ret : ops->vidioc_qbuf(file, fh, p);
+}
- if (ops->vidioc_s_crop) {
- ret = ops->vidioc_s_crop(file, fh, p);
- } else {
- /* simulate capture crop using selection api */
- struct v4l2_selection s = {
- .type = p->type,
- .r = p->c,
- };
-
- /* crop means compose for output devices */
- if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
- else
- s.target = V4L2_SEL_TGT_CROP_ACTIVE;
-
- ret = ops->vidioc_s_selection(file, fh, &s);
- }
- break;
- }
- case VIDIOC_G_SELECTION:
- {
- struct v4l2_selection *p = arg;
+static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_buffer *p = arg;
+ int ret = check_fmt(ops, p->type);
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
+ return ret ? ret : ops->vidioc_dqbuf(file, fh, p);
+}
- ret = ops->vidioc_g_selection(file, fh, p);
- if (!ret)
- dbgrect(vfd, "", &p->r);
- break;
- }
- case VIDIOC_S_SELECTION:
- {
- struct v4l2_selection *p = arg;
+static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_create_buffers *create = arg;
+ int ret = check_fmt(ops, create->format.type);
+ return ret ? ret : ops->vidioc_create_bufs(file, fh, create);
+}
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- dbgrect(vfd, "", &p->r);
+static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_buffer *b = arg;
+ int ret = check_fmt(ops, b->type);
- ret = ops->vidioc_s_selection(file, fh, p);
- break;
- }
- case VIDIOC_CROPCAP:
- {
- struct v4l2_cropcap *p = arg;
-
- /*FIXME: Should also show v4l2_fract pixelaspect */
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- if (ops->vidioc_cropcap) {
- ret = ops->vidioc_cropcap(file, fh, p);
- } else {
- struct v4l2_selection s = { .type = p->type };
+ return ret ? ret : ops->vidioc_prepare_buf(file, fh, b);
+}
- /* obtaining bounds */
- if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS;
- else
- s.target = V4L2_SEL_TGT_CROP_BOUNDS;
+static int v4l_g_parm(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_streamparm *p = arg;
+ v4l2_std_id std;
+ int ret = check_fmt(ops, p->type);
- ret = ops->vidioc_g_selection(file, fh, &s);
- if (ret)
- break;
- p->bounds = s.r;
+ if (ret)
+ return ret;
+ if (ops->vidioc_g_parm)
+ return ops->vidioc_g_parm(file, fh, p);
+ std = vfd->current_norm;
+ if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+ p->parm.capture.readbuffers = 2;
+ if (ops->vidioc_g_std)
+ ret = ops->vidioc_g_std(file, fh, &std);
+ if (ret == 0)
+ v4l2_video_std_frame_period(std,
+ &p->parm.capture.timeperframe);
+ return ret;
+}
- /* obtaining defrect */
- if (V4L2_TYPE_IS_OUTPUT(p->type))
- s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT;
- else
- s.target = V4L2_SEL_TGT_CROP_DEFAULT;
+static int v4l_s_parm(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_streamparm *p = arg;
+ int ret = check_fmt(ops, p->type);
- ret = ops->vidioc_g_selection(file, fh, &s);
- if (ret)
- break;
- p->defrect = s.r;
+ return ret ? ret : ops->vidioc_s_parm(file, fh, p);
+}
- /* setting trivial pixelaspect */
- p->pixelaspect.numerator = 1;
- p->pixelaspect.denominator = 1;
- }
+static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_queryctrl *p = arg;
+ struct v4l2_fh *vfh = fh;
+
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_queryctrl(vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_queryctrl(vfd->ctrl_handler, p);
+ if (ops->vidioc_queryctrl)
+ return ops->vidioc_queryctrl(file, fh, p);
+ return -ENOTTY;
+}
- if (!ret) {
- dbgrect(vfd, "bounds ", &p->bounds);
- dbgrect(vfd, "defrect ", &p->defrect);
- }
- break;
- }
- case VIDIOC_G_JPEGCOMP:
- {
- struct v4l2_jpegcompression *p = arg;
-
- ret = ops->vidioc_g_jpegcomp(file, fh, p);
- if (!ret)
- dbgarg(cmd, "quality=%d, APPn=%d, "
- "APP_len=%d, COM_len=%d, "
- "jpeg_markers=%d\n",
- p->quality, p->APPn, p->APP_len,
- p->COM_len, p->jpeg_markers);
- break;
- }
- case VIDIOC_S_JPEGCOMP:
- {
- struct v4l2_jpegcompression *p = arg;
-
- dbgarg(cmd, "quality=%d, APPn=%d, APP_len=%d, "
- "COM_len=%d, jpeg_markers=%d\n",
- p->quality, p->APPn, p->APP_len,
- p->COM_len, p->jpeg_markers);
- ret = ops->vidioc_s_jpegcomp(file, fh, p);
- break;
- }
- case VIDIOC_G_ENC_INDEX:
- {
- struct v4l2_enc_idx *p = arg;
-
- ret = ops->vidioc_g_enc_index(file, fh, p);
- if (!ret)
- dbgarg(cmd, "entries=%d, entries_cap=%d\n",
- p->entries, p->entries_cap);
- break;
- }
- case VIDIOC_ENCODER_CMD:
- {
- struct v4l2_encoder_cmd *p = arg;
+static int v4l_querymenu(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_querymenu *p = arg;
+ struct v4l2_fh *vfh = fh;
+
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_querymenu(vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_querymenu(vfd->ctrl_handler, p);
+ if (ops->vidioc_querymenu)
+ return ops->vidioc_querymenu(file, fh, p);
+ return -ENOTTY;
+}
- ret = ops->vidioc_encoder_cmd(file, fh, p);
- if (!ret)
- dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
- break;
+static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_control *p = arg;
+ struct v4l2_fh *vfh = fh;
+ struct v4l2_ext_controls ctrls;
+ struct v4l2_ext_control ctrl;
+
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_g_ctrl(vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_g_ctrl(vfd->ctrl_handler, p);
+ if (ops->vidioc_g_ctrl)
+ return ops->vidioc_g_ctrl(file, fh, p);
+ if (ops->vidioc_g_ext_ctrls == NULL)
+ return -ENOTTY;
+
+ ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
+ ctrls.count = 1;
+ ctrls.controls = &ctrl;
+ ctrl.id = p->id;
+ ctrl.value = p->value;
+ if (check_ext_ctrls(&ctrls, 1)) {
+ int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls);
+
+ if (ret == 0)
+ p->value = ctrl.value;
+ return ret;
}
- case VIDIOC_TRY_ENCODER_CMD:
- {
- struct v4l2_encoder_cmd *p = arg;
+ return -EINVAL;
+}
- ret = ops->vidioc_try_encoder_cmd(file, fh, p);
- if (!ret)
- dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
- break;
- }
- case VIDIOC_DECODER_CMD:
- {
- struct v4l2_decoder_cmd *p = arg;
+static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_control *p = arg;
+ struct v4l2_fh *vfh = fh;
+ struct v4l2_ext_controls ctrls;
+ struct v4l2_ext_control ctrl;
+
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p);
+ if (ops->vidioc_s_ctrl)
+ return ops->vidioc_s_ctrl(file, fh, p);
+ if (ops->vidioc_s_ext_ctrls == NULL)
+ return -ENOTTY;
+
+ ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id);
+ ctrls.count = 1;
+ ctrls.controls = &ctrl;
+ ctrl.id = p->id;
+ ctrl.value = p->value;
+ if (check_ext_ctrls(&ctrls, 1))
+ return ops->vidioc_s_ext_ctrls(file, fh, &ctrls);
+ return -EINVAL;
+}
- ret = ops->vidioc_decoder_cmd(file, fh, p);
- if (!ret)
- dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
- break;
- }
- case VIDIOC_TRY_DECODER_CMD:
- {
- struct v4l2_decoder_cmd *p = arg;
+static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_ext_controls *p = arg;
+ struct v4l2_fh *vfh = fh;
+
+ p->error_idx = p->count;
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_g_ext_ctrls(vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_g_ext_ctrls(vfd->ctrl_handler, p);
+ if (ops->vidioc_g_ext_ctrls == NULL)
+ return -ENOTTY;
+ return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) :
+ -EINVAL;
+}
- ret = ops->vidioc_try_decoder_cmd(file, fh, p);
- if (!ret)
- dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags);
- break;
- }
- case VIDIOC_G_PARM:
- {
- struct v4l2_streamparm *p = arg;
+static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_ext_controls *p = arg;
+ struct v4l2_fh *vfh = fh;
+
+ p->error_idx = p->count;
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p);
+ if (ops->vidioc_s_ext_ctrls == NULL)
+ return -ENOTTY;
+ return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) :
+ -EINVAL;
+}
- if (ops->vidioc_g_parm) {
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
- ret = ops->vidioc_g_parm(file, fh, p);
- } else {
- v4l2_std_id std = vfd->current_norm;
+static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_ext_controls *p = arg;
+ struct v4l2_fh *vfh = fh;
+
+ p->error_idx = p->count;
+ if (vfh && vfh->ctrl_handler)
+ return v4l2_try_ext_ctrls(vfh->ctrl_handler, p);
+ if (vfd->ctrl_handler)
+ return v4l2_try_ext_ctrls(vfd->ctrl_handler, p);
+ if (ops->vidioc_try_ext_ctrls == NULL)
+ return -ENOTTY;
+ return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) :
+ -EINVAL;
+}
- ret = -EINVAL;
- if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- break;
+static int v4l_g_crop(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_crop *p = arg;
+ struct v4l2_selection s = {
+ .type = p->type,
+ };
+ int ret;
+
+ if (ops->vidioc_g_crop)
+ return ops->vidioc_g_crop(file, fh, p);
+ /* simulate capture crop using selection api */
+
+ /* crop means compose for output devices */
+ if (V4L2_TYPE_IS_OUTPUT(p->type))
+ s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
+ else
+ s.target = V4L2_SEL_TGT_CROP_ACTIVE;
+
+ ret = ops->vidioc_g_selection(file, fh, &s);
+
+ /* copying results to old structure on success */
+ if (!ret)
+ p->c = s.r;
+ return ret;
+}
- ret = 0;
- p->parm.capture.readbuffers = 2;
- if (ops->vidioc_g_std)
- ret = ops->vidioc_g_std(file, fh, &std);
- if (ret == 0)
- v4l2_video_std_frame_period(std,
- &p->parm.capture.timeperframe);
- }
+static int v4l_s_crop(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_crop *p = arg;
+ struct v4l2_selection s = {
+ .type = p->type,
+ .r = p->c,
+ };
+
+ if (ops->vidioc_s_crop)
+ return ops->vidioc_s_crop(file, fh, p);
+ /* simulate capture crop using selection api */
+
+ /* crop means compose for output devices */
+ if (V4L2_TYPE_IS_OUTPUT(p->type))
+ s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE;
+ else
+ s.target = V4L2_SEL_TGT_CROP_ACTIVE;
+
+ return ops->vidioc_s_selection(file, fh, &s);
+}
- dbgarg(cmd, "type=%d\n", p->type);
- break;
- }
- case VIDIOC_S_PARM:
- {
- struct v4l2_streamparm *p = arg;
+static int v4l_cropcap(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_cropcap *p = arg;
+ struct v4l2_selection s = { .type = p->type };
+ int ret;
- ret = check_fmt(ops, p->type);
- if (ret)
- break;
+ if (ops->vidioc_cropcap)
+ return ops->vidioc_cropcap(file, fh, p);
- dbgarg(cmd, "type=%d\n", p->type);
- ret = ops->vidioc_s_parm(file, fh, p);
- break;
- }
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *p = arg;
+ /* obtaining bounds */
+ if (V4L2_TYPE_IS_OUTPUT(p->type))
+ s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS;
+ else
+ s.target = V4L2_SEL_TGT_CROP_BOUNDS;
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- ret = ops->vidioc_g_tuner(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "capability=0x%x, rangelow=%d, "
- "rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=0x%x, audmode=%d\n",
- p->index, p->name, p->type,
- p->capability, p->rangelow,
- p->rangehigh, p->signal, p->afc,
- p->rxsubchans, p->audmode);
- break;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *p = arg;
+ ret = ops->vidioc_g_selection(file, fh, &s);
+ if (ret)
+ return ret;
+ p->bounds = s.r;
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "capability=0x%x, rangelow=%d, "
- "rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=0x%x, audmode=%d\n",
- p->index, p->name, p->type,
- p->capability, p->rangelow,
- p->rangehigh, p->signal, p->afc,
- p->rxsubchans, p->audmode);
- ret = ops->vidioc_s_tuner(file, fh, p);
- break;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *p = arg;
+ /* obtaining defrect */
+ if (V4L2_TYPE_IS_OUTPUT(p->type))
+ s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT;
+ else
+ s.target = V4L2_SEL_TGT_CROP_DEFAULT;
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- ret = ops->vidioc_g_frequency(file, fh, p);
- if (!ret)
- dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
- p->tuner, p->type, p->frequency);
- break;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *p = arg;
- enum v4l2_tuner_type type;
+ ret = ops->vidioc_g_selection(file, fh, &s);
+ if (ret)
+ return ret;
+ p->defrect = s.r;
- type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
- p->tuner, p->type, p->frequency);
- if (p->type != type)
- ret = -EINVAL;
- else
- ret = ops->vidioc_s_frequency(file, fh, p);
- break;
- }
- case VIDIOC_G_SLICED_VBI_CAP:
- {
- struct v4l2_sliced_vbi_cap *p = arg;
+ /* setting trivial pixelaspect */
+ p->pixelaspect.numerator = 1;
+ p->pixelaspect.denominator = 1;
+ return 0;
+}
- /* Clear up to type, everything after type is zerod already */
- memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type));
+static int v4l_log_status(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ int ret;
+
+ if (vfd->v4l2_dev)
+ pr_info("%s: ================= START STATUS =================\n",
+ vfd->v4l2_dev->name);
+ ret = ops->vidioc_log_status(file, fh);
+ if (vfd->v4l2_dev)
+ pr_info("%s: ================== END STATUS ==================\n",
+ vfd->v4l2_dev->name);
+ return ret;
+}
- dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
- ret = ops->vidioc_g_sliced_vbi_cap(file, fh, p);
- if (!ret)
- dbgarg2("service_set=%d\n", p->service_set);
- break;
- }
- case VIDIOC_LOG_STATUS:
- {
- if (vfd->v4l2_dev)
- pr_info("%s: ================= START STATUS =================\n",
- vfd->v4l2_dev->name);
- ret = ops->vidioc_log_status(file, fh);
- if (vfd->v4l2_dev)
- pr_info("%s: ================== END STATUS ==================\n",
- vfd->v4l2_dev->name);
- break;
- }
- case VIDIOC_DBG_G_REGISTER:
- {
+static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
#ifdef CONFIG_VIDEO_ADV_DEBUG
- struct v4l2_dbg_register *p = arg;
+ struct v4l2_dbg_register *p = arg;
- if (!capable(CAP_SYS_ADMIN))
- ret = -EPERM;
- else
- ret = ops->vidioc_g_register(file, fh, p);
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ return ops->vidioc_g_register(file, fh, p);
+#else
+ return -ENOTTY;
#endif
- break;
- }
- case VIDIOC_DBG_S_REGISTER:
- {
+}
+
+static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
#ifdef CONFIG_VIDEO_ADV_DEBUG
- struct v4l2_dbg_register *p = arg;
+ struct v4l2_dbg_register *p = arg;
- if (!capable(CAP_SYS_ADMIN))
- ret = -EPERM;
- else
- ret = ops->vidioc_s_register(file, fh, p);
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ return ops->vidioc_s_register(file, fh, p);
+#else
+ return -ENOTTY;
#endif
- break;
- }
- case VIDIOC_DBG_G_CHIP_IDENT:
- {
- struct v4l2_dbg_chip_ident *p = arg;
-
- p->ident = V4L2_IDENT_NONE;
- p->revision = 0;
- ret = ops->vidioc_g_chip_ident(file, fh, p);
- if (!ret)
- dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision);
- break;
- }
- case VIDIOC_S_HW_FREQ_SEEK:
- {
- struct v4l2_hw_freq_seek *p = arg;
- enum v4l2_tuner_type type;
+}
- type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd,
- "tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n",
- p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing);
- if (p->type != type)
- ret = -EINVAL;
- else
- ret = ops->vidioc_s_hw_freq_seek(file, fh, p);
- break;
- }
- case VIDIOC_ENUM_FRAMESIZES:
- {
- struct v4l2_frmsizeenum *p = arg;
+static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_dbg_chip_ident *p = arg;
- ret = ops->vidioc_enum_framesizes(file, fh, p);
- dbgarg(cmd,
- "index=%d, pixelformat=%c%c%c%c, type=%d ",
- p->index,
- (p->pixel_format & 0xff),
- (p->pixel_format >> 8) & 0xff,
- (p->pixel_format >> 16) & 0xff,
- (p->pixel_format >> 24) & 0xff,
- p->type);
- switch (p->type) {
- case V4L2_FRMSIZE_TYPE_DISCRETE:
- dbgarg3("width = %d, height=%d\n",
- p->discrete.width, p->discrete.height);
- break;
- case V4L2_FRMSIZE_TYPE_STEPWISE:
- dbgarg3("min %dx%d, max %dx%d, step %dx%d\n",
- p->stepwise.min_width, p->stepwise.min_height,
- p->stepwise.step_width, p->stepwise.step_height,
- p->stepwise.max_width, p->stepwise.max_height);
- break;
- case V4L2_FRMSIZE_TYPE_CONTINUOUS:
- dbgarg3("continuous\n");
- break;
- default:
- dbgarg3("- Unknown type!\n");
- }
+ p->ident = V4L2_IDENT_NONE;
+ p->revision = 0;
+ return ops->vidioc_g_chip_ident(file, fh, p);
+}
- break;
- }
- case VIDIOC_ENUM_FRAMEINTERVALS:
- {
- struct v4l2_frmivalenum *p = arg;
-
- ret = ops->vidioc_enum_frameintervals(file, fh, p);
- dbgarg(cmd,
- "index=%d, pixelformat=%d, width=%d, height=%d, type=%d ",
- p->index, p->pixel_format,
- p->width, p->height, p->type);
- switch (p->type) {
- case V4L2_FRMIVAL_TYPE_DISCRETE:
- dbgarg2("fps=%d/%d\n",
- p->discrete.numerator,
- p->discrete.denominator);
- break;
- case V4L2_FRMIVAL_TYPE_STEPWISE:
- dbgarg2("min=%d/%d, max=%d/%d, step=%d/%d\n",
- p->stepwise.min.numerator,
- p->stepwise.min.denominator,
- p->stepwise.max.numerator,
- p->stepwise.max.denominator,
- p->stepwise.step.numerator,
- p->stepwise.step.denominator);
- break;
- case V4L2_FRMIVAL_TYPE_CONTINUOUS:
- dbgarg2("continuous\n");
- break;
- default:
- dbgarg2("- Unknown type!\n");
- }
- break;
- }
- case VIDIOC_ENUM_DV_PRESETS:
- {
- struct v4l2_dv_enum_preset *p = arg;
-
- ret = ops->vidioc_enum_dv_presets(file, fh, p);
- if (!ret)
- dbgarg(cmd,
- "index=%d, preset=%d, name=%s, width=%d,"
- " height=%d ",
- p->index, p->preset, p->name, p->width,
- p->height);
- break;
- }
- case VIDIOC_S_DV_PRESET:
- {
- struct v4l2_dv_preset *p = arg;
+static int v4l_dqevent(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK);
+}
- dbgarg(cmd, "preset=%d\n", p->preset);
- ret = ops->vidioc_s_dv_preset(file, fh, p);
- break;
- }
- case VIDIOC_G_DV_PRESET:
- {
- struct v4l2_dv_preset *p = arg;
+static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_subscribe_event(fh, arg);
+}
- ret = ops->vidioc_g_dv_preset(file, fh, p);
- if (!ret)
- dbgarg(cmd, "preset=%d\n", p->preset);
- break;
- }
- case VIDIOC_QUERY_DV_PRESET:
- {
- struct v4l2_dv_preset *p = arg;
+static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ return ops->vidioc_unsubscribe_event(fh, arg);
+}
- ret = ops->vidioc_query_dv_preset(file, fh, p);
- if (!ret)
- dbgarg(cmd, "preset=%d\n", p->preset);
- break;
- }
- case VIDIOC_S_DV_TIMINGS:
- {
- struct v4l2_dv_timings *p = arg;
-
- dbgtimings(vfd, p);
- switch (p->type) {
- case V4L2_DV_BT_656_1120:
- ret = ops->vidioc_s_dv_timings(file, fh, p);
- break;
- default:
- ret = -EINVAL;
- break;
- }
- break;
- }
- case VIDIOC_G_DV_TIMINGS:
- {
- struct v4l2_dv_timings *p = arg;
+static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct v4l2_sliced_vbi_cap *p = arg;
- ret = ops->vidioc_g_dv_timings(file, fh, p);
- if (!ret)
- dbgtimings(vfd, p);
- break;
- }
- case VIDIOC_ENUM_DV_TIMINGS:
- {
- struct v4l2_enum_dv_timings *p = arg;
+ /* Clear up to type, everything after type is zeroed already */
+ memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type));
- if (!ops->vidioc_enum_dv_timings)
- break;
+ return ops->vidioc_g_sliced_vbi_cap(file, fh, p);
+}
- ret = ops->vidioc_enum_dv_timings(file, fh, p);
- if (!ret) {
- dbgarg(cmd, "index=%d: ", p->index);
- dbgtimings(vfd, &p->timings);
- }
- break;
+struct v4l2_ioctl_info {
+ unsigned int ioctl;
+ u32 flags;
+ const char * const name;
+ union {
+ u32 offset;
+ int (*func)(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *p);
+ };
+ void (*debug)(const void *arg, bool write_only);
+};
+
+/* 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)
+/* This is a standard ioctl, no need for special code */
+#define INFO_FL_STD (1 << 2)
+/* This is ioctl has its own function */
+#define INFO_FL_FUNC (1 << 3)
+/* Queuing ioctl */
+#define INFO_FL_QUEUE (1 << 4)
+/* Zero struct from after the field to the end */
+#define INFO_FL_CLEAR(v4l2_struct, field) \
+ ((offsetof(struct v4l2_struct, field) + \
+ sizeof(((struct v4l2_struct *)0)->field)) << 16)
+#define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16)
+
+#define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \
+ [_IOC_NR(_ioctl)] = { \
+ .ioctl = _ioctl, \
+ .flags = _flags | INFO_FL_STD, \
+ .name = #_ioctl, \
+ .offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \
+ .debug = _debug, \
+ }
+
+#define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \
+ [_IOC_NR(_ioctl)] = { \
+ .ioctl = _ioctl, \
+ .flags = _flags | INFO_FL_FUNC, \
+ .name = #_ioctl, \
+ .func = _func, \
+ .debug = _debug, \
}
- case VIDIOC_QUERY_DV_TIMINGS:
- {
- struct v4l2_dv_timings *p = arg;
- if (!ops->vidioc_query_dv_timings)
- break;
+static struct v4l2_ioctl_info v4l2_ioctls[] = {
+ IOCTL_INFO_FNC(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0),
+ IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)),
+ IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, INFO_FL_CLEAR(v4l2_format, type)),
+ IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)),
+ IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0),
+ IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_OVERLAY, vidioc_overlay, v4l_print_u32, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)),
+ IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_g_std, v4l_print_std, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)),
+ IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)),
+ IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)),
+ IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL),
+ IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)),
+ IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0),
+ IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)),
+ IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)),
+ IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)),
+ IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0),
+ IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_MODULATOR, vidioc_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)),
+ IOCTL_INFO_STD(VIDIOC_S_MODULATOR, vidioc_s_modulator, v4l_print_modulator, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)),
+ IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)),
+ IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)),
+ IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, 0),
+ IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0),
+ IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0),
+ IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0),
+ IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)),
+ IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)),
+ IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)),
+ IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0),
+ IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL),
+ IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL),
+ IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, 0),
+ IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)),
+ IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)),
+ IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0),
+ IOCTL_INFO_STD(VIDIOC_ENCODER_CMD, vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)),
+ IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)),
+ IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0),
+ IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0),
+ IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0),
+ IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_IDENT, v4l_dbg_g_chip_ident, v4l_print_dbg_chip_ident, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_ENUM_DV_PRESETS, vidioc_enum_dv_presets, v4l_print_dv_enum_presets, 0),
+ IOCTL_INFO_STD(VIDIOC_S_DV_PRESET, vidioc_s_dv_preset, v4l_print_dv_preset, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_DV_PRESET, vidioc_g_dv_preset, v4l_print_dv_preset, 0),
+ IOCTL_INFO_STD(VIDIOC_QUERY_DV_PRESET, vidioc_query_dv_preset, v4l_print_dv_preset, 0),
+ IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0),
+ IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0),
+ IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0),
+ IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0),
+ IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE),
+ IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE),
+ IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, 0),
+ IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0),
+ IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, 0),
+};
+#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
- ret = ops->vidioc_query_dv_timings(file, fh, p);
- if (!ret)
- dbgtimings(vfd, p);
- break;
- }
- case VIDIOC_DV_TIMINGS_CAP:
- {
- struct v4l2_dv_timings_cap *p = arg;
+bool v4l2_is_known_ioctl(unsigned int cmd)
+{
+ if (_IOC_NR(cmd) >= V4L2_IOCTLS)
+ return false;
+ return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
+}
- if (!ops->vidioc_dv_timings_cap)
- break;
+struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd)
+{
+ if (_IOC_NR(cmd) >= V4L2_IOCTLS)
+ return vdev->lock;
+ if (test_bit(_IOC_NR(cmd), vdev->disable_locking))
+ return NULL;
+ if (vdev->queue && vdev->queue->lock &&
+ (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE))
+ return vdev->queue->lock;
+ return vdev->lock;
+}
- ret = ops->vidioc_dv_timings_cap(file, fh, p);
- if (ret)
- break;
- switch (p->type) {
- case V4L2_DV_BT_656_1120:
- dbgarg(cmd,
- "type=%d, width=%u-%u, height=%u-%u, "
- "pixelclock=%llu-%llu, standards=%x, capabilities=%x ",
- p->type,
- p->bt.min_width, p->bt.max_width,
- p->bt.min_height, p->bt.max_height,
- p->bt.min_pixelclock, p->bt.max_pixelclock,
- p->bt.standards, p->bt.capabilities);
- break;
- default:
- dbgarg(cmd, "unknown type ");
- break;
- }
- break;
- }
- case VIDIOC_DQEVENT:
- {
- struct v4l2_event *ev = arg;
+/* Common ioctl debug function. This function can be used by
+ external ioctl messages as well as internal V4L ioctl */
+void v4l_printk_ioctl(const char *prefix, unsigned int cmd)
+{
+ const char *dir, *type;
- ret = v4l2_event_dequeue(fh, ev, file->f_flags & O_NONBLOCK);
- if (ret < 0) {
- dbgarg(cmd, "no pending events?");
- break;
- }
- dbgarg(cmd,
- "pending=%d, type=0x%8.8x, sequence=%d, "
- "timestamp=%lu.%9.9lu ",
- ev->pending, ev->type, ev->sequence,
- ev->timestamp.tv_sec, ev->timestamp.tv_nsec);
- break;
- }
- case VIDIOC_SUBSCRIBE_EVENT:
- {
- struct v4l2_event_subscription *sub = arg;
+ if (prefix)
+ printk(KERN_DEBUG "%s: ", prefix);
- ret = ops->vidioc_subscribe_event(fh, sub);
- if (ret < 0) {
- dbgarg(cmd, "failed, ret=%ld", ret);
- break;
- }
- dbgarg(cmd, "type=0x%8.8x", sub->type);
+ switch (_IOC_TYPE(cmd)) {
+ case 'd':
+ type = "v4l2_int";
break;
- }
- case VIDIOC_UNSUBSCRIBE_EVENT:
- {
- struct v4l2_event_subscription *sub = arg;
-
- ret = ops->vidioc_unsubscribe_event(fh, sub);
- if (ret < 0) {
- dbgarg(cmd, "failed, ret=%ld", ret);
+ case 'V':
+ if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
+ type = "v4l2";
break;
}
- dbgarg(cmd, "type=0x%8.8x", sub->type);
+ pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
+ return;
+ default:
+ type = "unknown";
break;
}
- case VIDIOC_CREATE_BUFS:
- {
- struct v4l2_create_buffers *create = arg;
- ret = check_fmt(ops, create->format.type);
- if (ret)
- break;
+ 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;
+ }
+ pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)",
+ type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
+}
+EXPORT_SYMBOL(v4l_printk_ioctl);
- ret = ops->vidioc_create_bufs(file, fh, create);
+static long __video_do_ioctl(struct file *file,
+ unsigned int cmd, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
+ bool write_only = false;
+ struct v4l2_ioctl_info default_info;
+ const struct v4l2_ioctl_info *info;
+ void *fh = file->private_data;
+ struct v4l2_fh *vfh = NULL;
+ int use_fh_prio = 0;
+ int debug = vfd->debug;
+ long ret = -ENOTTY;
- dbgarg(cmd, "count=%d @ %d\n", create->count, create->index);
- break;
+ if (ops == NULL) {
+ pr_warn("%s: has no ioctl_ops.\n",
+ video_device_node_name(vfd));
+ return ret;
}
- case VIDIOC_PREPARE_BUF:
- {
- struct v4l2_buffer *b = arg;
- ret = check_fmt(ops, b->type);
- if (ret)
- break;
+ if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
+ vfh = file->private_data;
+ use_fh_prio = test_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
+ }
- ret = ops->vidioc_prepare_buf(file, fh, b);
+ if (v4l2_is_known_ioctl(cmd)) {
+ info = &v4l2_ioctls[_IOC_NR(cmd)];
- dbgarg(cmd, "index=%d", b->index);
- break;
- }
- default:
- if (!ops->vidioc_default)
- break;
- ret = ops->vidioc_default(file, fh, use_fh_prio ?
- v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0,
- cmd, arg);
- break;
- } /* switch */
+ if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) &&
+ !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler))
+ goto done;
- if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) {
- if (ret < 0) {
- v4l_print_ioctl(vfd->name, cmd);
- printk(KERN_CONT " error %ld\n", ret);
+ if (use_fh_prio && (info->flags & INFO_FL_PRIO)) {
+ ret = v4l2_prio_check(vfd->prio, vfh->prio);
+ if (ret)
+ goto done;
+ }
+ } else {
+ default_info.ioctl = cmd;
+ default_info.flags = 0;
+ default_info.debug = v4l_print_default;
+ info = &default_info;
+ }
+
+ write_only = _IOC_DIR(cmd) == _IOC_WRITE;
+ if (write_only && debug > V4L2_DEBUG_IOCTL) {
+ v4l_printk_ioctl(video_device_node_name(vfd), cmd);
+ pr_cont(": ");
+ info->debug(arg, write_only);
+ }
+ if (info->flags & INFO_FL_STD) {
+ typedef int (*vidioc_op)(struct file *file, void *fh, void *p);
+ const void *p = vfd->ioctl_ops;
+ const vidioc_op *vidioc = p + info->offset;
+
+ ret = (*vidioc)(file, fh, arg);
+ } else if (info->flags & INFO_FL_FUNC) {
+ ret = info->func(ops, file, fh, arg);
+ } else if (!ops->vidioc_default) {
+ ret = -ENOTTY;
+ } else {
+ ret = ops->vidioc_default(file, fh,
+ use_fh_prio ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0,
+ cmd, arg);
+ }
+
+done:
+ if (debug) {
+ if (write_only && debug > V4L2_DEBUG_IOCTL) {
+ if (ret < 0)
+ printk(KERN_DEBUG "%s: error %ld\n",
+ video_device_node_name(vfd), ret);
+ return ret;
+ }
+ v4l_printk_ioctl(video_device_node_name(vfd), cmd);
+ if (ret < 0)
+ pr_cont(": error %ld\n", ret);
+ else if (debug == V4L2_DEBUG_IOCTL)
+ pr_cont("\n");
+ else if (_IOC_DIR(cmd) == _IOC_NONE)
+ info->debug(arg, write_only);
+ else {
+ pr_cont(": ");
+ info->debug(arg, write_only);
}
}
return ret;
}
-/* In some cases, only a few fields are used as input, i.e. when the app sets
- * "index" and then the driver fills in the rest of the structure for the thing
- * with that index. We only need to copy up the first non-input field. */
-static unsigned long cmd_input_size(unsigned int cmd)
-{
- /* Size of structure up to and including 'field' */
-#define CMDINSIZE(cmd, type, field) \
- case VIDIOC_##cmd: \
- return offsetof(struct v4l2_##type, field) + \
- sizeof(((struct v4l2_##type *)0)->field);
-
- switch (cmd) {
- CMDINSIZE(ENUM_FMT, fmtdesc, type);
- CMDINSIZE(G_FMT, format, type);
- CMDINSIZE(QUERYBUF, buffer, length);
- CMDINSIZE(G_PARM, streamparm, type);
- CMDINSIZE(ENUMSTD, standard, index);
- CMDINSIZE(ENUMINPUT, input, index);
- CMDINSIZE(G_CTRL, control, id);
- CMDINSIZE(G_TUNER, tuner, index);
- CMDINSIZE(QUERYCTRL, queryctrl, id);
- CMDINSIZE(QUERYMENU, querymenu, index);
- CMDINSIZE(ENUMOUTPUT, output, index);
- CMDINSIZE(G_MODULATOR, modulator, index);
- CMDINSIZE(G_FREQUENCY, frequency, tuner);
- CMDINSIZE(CROPCAP, cropcap, type);
- CMDINSIZE(G_CROP, crop, type);
- CMDINSIZE(ENUMAUDIO, audio, index);
- CMDINSIZE(ENUMAUDOUT, audioout, index);
- CMDINSIZE(ENCODER_CMD, encoder_cmd, flags);
- CMDINSIZE(TRY_ENCODER_CMD, encoder_cmd, flags);
- CMDINSIZE(G_SLICED_VBI_CAP, sliced_vbi_cap, type);
- CMDINSIZE(ENUM_FRAMESIZES, frmsizeenum, pixel_format);
- CMDINSIZE(ENUM_FRAMEINTERVALS, frmivalenum, height);
- default:
- return _IOC_SIZE(cmd);
- }
-}
-
static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
void * __user *user_ptr, void ***kernel_ptr)
{
@@ -2219,7 +2149,20 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
err = -EFAULT;
if (_IOC_DIR(cmd) & _IOC_WRITE) {
- unsigned long n = cmd_input_size(cmd);
+ unsigned int n = _IOC_SIZE(cmd);
+
+ /*
+ * In some cases, only a few fields are used as input,
+ * i.e. when the app sets "index" and then the driver
+ * fills in the rest of the structure for the thing
+ * with that index. We only need to copy up the first
+ * non-input field.
+ */
+ if (v4l2_is_known_ioctl(cmd)) {
+ u32 flags = v4l2_ioctls[_IOC_NR(cmd)].flags;
+ if (flags & INFO_FL_CLEAR_MASK)
+ n = (flags & INFO_FL_CLEAR_MASK) >> 16;
+ }
if (copy_from_user(parg, (void __user *)arg, n))
goto out;