From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/video/v4l2-ioctl.c | 278 +++++++++++++++++++++-----------------
1 file changed, 154 insertions(+), 124 deletions(-)
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index ea5f8fd..2ec1755 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -726,6 +726,125 @@ static void v4l_print_dv_timings_cap(const void *arg, bool write_only)
}
}
+static void v4l_print_frmsizeenum(const void *arg, bool write_only)
+{
+ const struct v4l2_frmsizeenum *p = arg;
+
+ 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 void v4l_print_frmivalenum(const void *arg, bool write_only)
+{
+ const struct v4l2_frmivalenum *p = arg;
+
+ 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
+ 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;
+ }
+}
+
+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);
@@ -1664,6 +1783,35 @@ static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_g_chip_ident(file, fh, p);
}
+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);
+}
+
+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);
+}
+
+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);
+}
+
+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;
+
+ /* Clear up to type, everything after type is zeroed already */
+ memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type));
+
+ return ops->vidioc_g_sliced_vbi_cap(file, fh, p);
+}
+
struct v4l2_ioctl_info {
unsigned int ioctl;
u32 flags;
@@ -1766,13 +1914,13 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
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(VIDIOC_G_SLICED_VBI_CAP, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)),
+ 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(VIDIOC_ENUM_FRAMESIZES, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)),
- IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, INFO_FL_CLEAR(v4l2_frmivalenum, height)),
+ 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)),
@@ -1788,9 +1936,9 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
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(VIDIOC_DQEVENT, 0),
- IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0),
- IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 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),
IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, 0),
IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, 0),
@@ -1902,124 +2050,6 @@ static long __video_do_ioctl(struct file *file,
}
switch (cmd) {
- case VIDIOC_G_SLICED_VBI_CAP:
- {
- struct v4l2_sliced_vbi_cap *p = arg;
-
- /* Clear up to type, everything after type is zerod already */
- memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type));
-
- 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_ENUM_FRAMESIZES:
- {
- struct v4l2_frmsizeenum *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");
- }
-
- 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_DQEVENT:
- {
- struct v4l2_event *ev = arg;
-
- 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;
-
- 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);
- 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);
- break;
- }
- dbgarg(cmd, "type=0x%8.8x", sub->type);
- break;
- }
default:
if (!ops->vidioc_default)
break;
--
1.7.10
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