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提交 0588000e 编写于 作者: A Alexander Graf
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Merge commit 'origin/queue' into for-queue 

Conflicts:
	arch/powerpc/include/asm/Kbuild
	arch/powerpc/include/uapi/asm/Kbuild
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文本差异 电子邮件补丁
.gitignore
浏览文件 @ 0588000e
......@@ -84,3 +84,11 @@ GTAGS
*.orig
*~
\#*#
#
# Leavings from module signing
#
extra_certificates
signing_key.priv
signing_key.x509
x509.genkey
Documentation/00-INDEX
浏览文件 @ 0588000e
......@@ -210,6 +210,8 @@ local_ops.txt
- semantics and behavior of local atomic operations.
lockdep-design.txt
- documentation on the runtime locking correctness validator.
lockup-watchdogs.txt
- info on soft and hard lockup detectors (aka nmi_watchdog).
logo.gif
- full colour GIF image of Linux logo (penguin - Tux).
logo.txt
......@@ -240,8 +242,6 @@ netlabel/
- directory with information on the NetLabel subsystem.
networking/
- directory with info on various aspects of networking with Linux.
nmi_watchdog.txt
- info on NMI watchdog for SMP systems.
nommu-mmap.txt
- documentation about no-mmu memory mapping support.
numastat.txt
......@@ -270,8 +270,6 @@ preempt-locking.txt
- info on locking under a preemptive kernel.
printk-formats.txt
- how to get printk format specifiers right
prio_tree.txt
- info on radix-priority-search-tree use for indexing vmas.
ramoops.txt
- documentation of the ramoops oops/panic logging module.
rbtree.txt
......
Documentation/ABI/obsolete/proc-pid-oom_adj 已删除 100644 → 0
浏览文件 @ 8b5869ad
What: /proc/<pid>/oom_adj
When: August 2012
Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's
badness heuristic used to determine which task to kill when the kernel
is out of memory.
The badness heuristic has since been rewritten since the introduction of
this tunable such that its meaning is deprecated. The value was
implemented as a bitshift on a score generated by the badness()
function that did not have any precise units of measure. With the
rewrite, the score is given as a proportion of available memory to the
task allocating pages, so using a bitshift which grows the score
exponentially is, thus, impossible to tune with fine granularity.
A much more powerful interface, /proc/<pid>/oom_score_adj, was
introduced with the oom killer rewrite that allows users to increase or
decrease the badness score linearly. This interface will replace
/proc/<pid>/oom_adj.
A warning will be emitted to the kernel log if an application uses this
deprecated interface. After it is printed once, future warnings will be
suppressed until the kernel is rebooted.
Documentation/ABI/testing/sysfs-block
浏览文件 @ 0588000e
......@@ -206,3 +206,17 @@ Description:
when a discarded area is read the discard_zeroes_data
parameter will be set to one. Otherwise it will be 0 and
the result of reading a discarded area is undefined.
What: /sys/block/<disk>/queue/write_same_max_bytes
Date: January 2012
Contact: Martin K. Petersen <martin.petersen@oracle.com>
Description:
Some devices support a write same operation in which a
single data block can be written to a range of several
contiguous blocks on storage. This can be used to wipe
areas on disk or to initialize drives in a RAID
configuration. write_same_max_bytes indicates how many
bytes can be written in a single write same command. If
write_same_max_bytes is 0, write same is not supported
by the device.
Documentation/ABI/testing/sysfs-bus-fcoe
浏览文件 @ 0588000e
......@@ -9,19 +9,19 @@ Attributes:
this value will change the dev_loss_tmo for all
FCFs discovered by this controller.
lesb_link_fail: Link Error Status Block (LESB) link failure count.
lesb/link_fail: Link Error Status Block (LESB) link failure count.
lesb_vlink_fail: Link Error Status Block (LESB) virtual link
lesb/vlink_fail: Link Error Status Block (LESB) virtual link
failure count.
lesb_miss_fka: Link Error Status Block (LESB) missed FCoE
lesb/miss_fka: Link Error Status Block (LESB) missed FCoE
Initialization Protocol (FIP) Keep-Alives (FKA).
lesb_symb_err: Link Error Status Block (LESB) symbolic error count.
lesb/symb_err: Link Error Status Block (LESB) symbolic error count.
lesb_err_block: Link Error Status Block (LESB) block error count.
lesb/err_block: Link Error Status Block (LESB) block error count.
lesb_fcs_error: Link Error Status Block (LESB) Fibre Channel
lesb/fcs_error: Link Error Status Block (LESB) Fibre Channel
Serivces error count.
Notes: ctlr_X (global increment starting at 0)
......
Documentation/ABI/testing/sysfs-bus-rbd
浏览文件 @ 0588000e
......@@ -25,6 +25,10 @@ client_id
The ceph unique client id that was assigned for this specific session.
features
A hexadecimal encoding of the feature bits for this image.
major
The block device major number.
......@@ -33,6 +37,11 @@ name
The name of the rbd image.
image_id
The unique id for the rbd image. (For rbd image format 1
this is empty.)
pool
The name of the storage pool where this rbd image resides.
......@@ -57,12 +66,6 @@ current_snap
The current snapshot for which the device is mapped.
create_snap
Create a snapshot:
$ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create
snap_*
A directory per each snapshot
......@@ -79,4 +82,7 @@ snap_size
The size of the image when this snapshot was taken.
snap_features
A hexadecimal encoding of the feature bits for this snapshot.
Documentation/ABI/testing/sysfs-devices-firmware_node 0 → 100644
浏览文件 @ 0588000e
What: /sys/devices/.../firmware_node/
Date: September 2012
Contact: <>
Description:
The /sys/devices/.../firmware_node directory contains attributes
allowing the user space to check and modify some firmware
related properties of given device.
What: /sys/devices/.../firmware_node/description
Date: September 2012
Contact: Lance Ortiz <lance.ortiz@hp.com>
Description:
The /sys/devices/.../firmware/description attribute contains a string
that describes the device as provided by the _STR method in the ACPI
namespace. This attribute is read-only. If the device does not have
an _STR method associated with it in the ACPI namespace, this
attribute is not present.
Documentation/ABI/testing/sysfs-fs-ext4
浏览文件 @ 0588000e
......@@ -96,3 +96,16 @@ Contact: "Theodore Ts'o" <tytso@mit.edu>
Description:
The maximum number of megabytes the writeback code will
try to write out before move on to another inode.
What: /sys/fs/ext4/<disk>/extent_max_zeroout_kb
Date: August 2012
Contact: "Theodore Ts'o" <tytso@mit.edu>
Description:
The maximum number of kilobytes which will be zeroed
out in preference to creating a new uninitialized
extent when manipulating an inode's extent tree. Note
that using a larger value will increase the
variability of time necessary to complete a random
write operation (since a 4k random write might turn
into a much larger write due to the zeroout
operation).
Documentation/CodingStyle
浏览文件 @ 0588000e
......@@ -454,6 +454,16 @@ The preferred style for long (multi-line) comments is:
* with beginning and ending almost-blank lines.
*/
For files in net/ and drivers/net/ the preferred style for long (multi-line)
comments is a little different.
/* The preferred comment style for files in net/ and drivers/net
* looks like this.
*
* It is nearly the same as the generally preferred comment style,
* but there is no initial almost-blank line.
*/
It's also important to comment data, whether they are basic types or derived
types. To this end, use just one data declaration per line (no commas for
multiple data declarations). This leaves you room for a small comment on each
......
Documentation/DocBook/media/Makefile
浏览文件 @ 0588000e
......@@ -56,15 +56,15 @@ FUNCS = \
write \
IOCTLS = \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/linux/v4l2-subdev.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
VIDIOC_SUBDEV_G_FRAME_INTERVAL \
VIDIOC_SUBDEV_S_FRAME_INTERVAL \
VIDIOC_SUBDEV_ENUM_MBUS_CODE \
......@@ -74,32 +74,32 @@ IOCTLS = \
VIDIOC_SUBDEV_S_SELECTION \
TYPES = \
$(shell perl -ne 'print "$$1 " if /^typedef\s+[^\s]+\s+([^\s]+)\;/' $(srctree)/include/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^}\s+([a-z0-9_]+_t)/' $(srctree)/include/linux/dvb/frontend.h)
$(shell perl -ne 'print "$$1 " if /^typedef\s+[^\s]+\s+([^\s]+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^}\s+([a-z0-9_]+_t)/' $(srctree)/include/uapi/linux/dvb/frontend.h)
ENUMS = \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-mediabus.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-subdev.h)
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h) \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h)
STRUCTS = \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([A-Z][^\s]+)\s+/)' $(srctree)/include/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-subdev.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/linux/v4l2-mediabus.h)
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([A-Z][^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h)
ERRORS = \
E2BIG \
......@@ -205,7 +205,7 @@ $(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
@(ln -sf $(MEDIA_SRC_DIR)/v4l/*xml $(MEDIA_OBJ_DIR)/)
@(ln -sf $(MEDIA_SRC_DIR)/dvb/*xml $(MEDIA_OBJ_DIR)/)
$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -216,7 +216,7 @@ $(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/linux/videodev2.h $(MEDIA_O
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -227,7 +227,7 @@ $(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/linux/dvb/audio.h $(MEDIA_OBJ_D
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -238,7 +238,7 @@ $(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -249,7 +249,7 @@ $(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -260,7 +260,7 @@ $(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/linux/dvb/frontend.h $(MEDIA
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -271,7 +271,7 @@ $(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/linux/dvb/net.h $(MEDIA_OBJ_DIR)/
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
$(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
......@@ -300,7 +300,7 @@ $(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
@( \
for ident in $(IOCTLS) ; do \
entity=`echo $$ident | tr _ -` ; \
id=`grep "<refname>$$ident" $(MEDIA_OBJ_DIR)/vidioc-*.xml | sed -r s,"^.*/(.*).xml.*","\1",` ; \
id=`grep "<refname>$$ident" $(MEDIA_OBJ_DIR)/vidioc-*.xml $(MEDIA_OBJ_DIR)/media-ioc-*.xml | sed -r s,"^.*/(.*).xml.*","\1",` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$id'><constant>$$ident</constant></link>\">" \
>>$@ ; \
......
Documentation/DocBook/media/dvb/audio.xml
浏览文件 @ 0588000e
<title>DVB Audio Device</title>
<para>The DVB audio device controls the MPEG2 audio decoder of the DVB hardware. It
can be accessed through <emphasis role="tt">/dev/dvb/adapter0/audio0</emphasis>. Data types and and
ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/video.h</emphasis> in your
ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/audio.h</emphasis> in your
application.
</para>
<para>Please note that some DVB cards don&#8217;t have their own MPEG decoder, which results in
the omission of the audio and video device.
</para>
<para>
These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use
of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls
have been created to replace that functionality.</para>
<section id="audio_data_types">
<title>Audio Data Types</title>
......@@ -558,6 +562,8 @@ role="subsection"><title>AUDIO_SELECT_SOURCE</title>
role="subsection"><title>AUDIO_SET_MUTE</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
&VIDIOC-DECODER-CMD; with the <constant>V4L2_DEC_CMD_START_MUTE_AUDIO</constant> flag instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the audio device to mute the stream that is currently being
......@@ -730,6 +736,8 @@ role="subsection"><title>AUDIO_SET_BYPASS_MODE</title>
role="subsection"><title>AUDIO_CHANNEL_SELECT</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
<constant>V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK</constant> control instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Audio Device to select the requested channel if possible.</para>
......@@ -772,6 +780,109 @@ role="subsection"><title>AUDIO_CHANNEL_SELECT</title>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="AUDIO_BILINGUAL_CHANNEL_SELECT"
role="subsection"><title>AUDIO_BILINGUAL_CHANNEL_SELECT</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. It has been replaced by
the V4L2 <constant>V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK</constant> control
for MPEG decoders controlled through V4L2.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Audio Device to select the requested channel for bilingual streams if possible.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
AUDIO_BILINGUAL_CHANNEL_SELECT, audio_channel_select_t);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals AUDIO_BILINGUAL_CHANNEL_SELECT for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>audio_channel_select_t
ch</para>
</entry><entry
align="char">
<para>Select the output format of the audio (mono left/right,
stereo).</para>
</entry>
</row>
</tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="AUDIO_GET_PTS"
role="subsection"><title>AUDIO_GET_PTS</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. If you need this functionality,
then please contact the linux-media mailing list (&v4l-ml;).</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Audio Device to return the current PTS timestamp.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
AUDIO_GET_PTS, __u64 *pts);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals AUDIO_GET_PTS for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>__u64 *pts
</para>
</entry><entry
align="char">
<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
</para>
<para>
The PTS should belong to the currently played
frame if possible, but may also be a value close to it
like the PTS of the last decoded frame or the last PTS
extracted by the PES parser.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="AUDIO_GET_STATUS"
role="subsection"><title>AUDIO_GET_STATUS</title>
<para>DESCRIPTION
......
Documentation/DocBook/media/dvb/ca.xml
浏览文件 @ 0588000e
......@@ -226,4 +226,357 @@ typedef struct ca_pid {
</entry>
</row></tbody></tgroup></informaltable>
</section>
<section id="CA_RESET"
role="subsection"><title>CA_RESET</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_RESET);
</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_RESET for this command.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_GET_CAP"
role="subsection"><title>CA_GET_CAP</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_GET_CAP,
ca_caps_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_GET_CAP for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_caps_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_GET_SLOT_INFO"
role="subsection"><title>CA_GET_SLOT_INFO</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_GET_SLOT_INFO,
ca_slot_info_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_GET_SLOT_INFO for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_slot_info_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_GET_DESCR_INFO"
role="subsection"><title>CA_GET_DESCR_INFO</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_GET_DESCR_INFO,
ca_descr_info_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_GET_DESCR_INFO for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_descr_info_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_GET_MSG"
role="subsection"><title>CA_GET_MSG</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_GET_MSG,
ca_msg_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_GET_MSG for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_msg_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_SEND_MSG"
role="subsection"><title>CA_SEND_MSG</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_SEND_MSG,
ca_msg_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_SEND_MSG for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_msg_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_SET_DESCR"
role="subsection"><title>CA_SET_DESCR</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_SET_DESCR,
ca_descr_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_SET_DESCR for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_descr_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="CA_SET_PID"
role="subsection"><title>CA_SET_PID</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = CA_SET_PID,
ca_pid_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals CA_SET_PID for this command.</para>
</entry>
</row><row><entry
align="char">
<para>ca_pid_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
</section>
Documentation/DocBook/media/dvb/demux.xml
浏览文件 @ 0588000e
......@@ -899,4 +899,232 @@ typedef enum {
<para>Invalid stc number.</para>
</entry>
</row></tbody></tgroup></informaltable>
</section></section>
</section>
<section id="DMX_GET_PES_PIDS"
role="subsection"><title>DMX_GET_PES_PIDS</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = DMX_GET_PES_PIDS,
__u16[5]);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals DMX_GET_PES_PIDS for this command.</para>
</entry>
</row><row><entry
align="char">
<para>__u16[5]
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="DMX_GET_CAPS"
role="subsection"><title>DMX_GET_CAPS</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = DMX_GET_CAPS,
dmx_caps_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals DMX_GET_CAPS for this command.</para>
</entry>
</row><row><entry
align="char">
<para>dmx_caps_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="DMX_SET_SOURCE"
role="subsection"><title>DMX_SET_SOURCE</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = DMX_SET_SOURCE,
dmx_source_t *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals DMX_SET_SOURCE for this command.</para>
</entry>
</row><row><entry
align="char">
<para>dmx_source_t *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="DMX_ADD_PID"
role="subsection"><title>DMX_ADD_PID</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = DMX_ADD_PID,
__u16 *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals DMX_ADD_PID for this command.</para>
</entry>
</row><row><entry
align="char">
<para>__u16 *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="DMX_REMOVE_PID"
role="subsection"><title>DMX_REMOVE_PID</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = DMX_REMOVE_PID,
__u16 *);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals DMX_REMOVE_PID for this command.</para>
</entry>
</row><row><entry
align="char">
<para>__u16 *
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
</section>
Documentation/DocBook/media/dvb/dvbapi.xml
浏览文件 @ 0588000e
......@@ -28,7 +28,7 @@
<holder>Convergence GmbH</holder>
</copyright>
<copyright>
<year>2009-2011</year>
<year>2009-2012</year>
<holder>Mauro Carvalho Chehab</holder>
</copyright>
......@@ -84,7 +84,7 @@ Added ISDB-T test originally written by Patrick Boettcher
<title>LINUX DVB API</title>
<subtitle>Version 5.2</subtitle>
<subtitle>Version 5.8</subtitle>
<!-- ADD THE CHAPTERS HERE -->
<chapter id="dvb_introdution">
&sub-intro;
......
Documentation/DocBook/media/dvb/dvbproperty.xml
浏览文件 @ 0588000e
......@@ -194,6 +194,7 @@ get/set up to 64 properties. The actual meaning of each property is described on
APSK_16,
APSK_32,
DQPSK,
QAM_4_NR,
} fe_modulation_t;
</programlisting>
</section>
......@@ -265,6 +266,7 @@ typedef enum fe_code_rate {
FEC_AUTO,
FEC_3_5,
FEC_9_10,
FEC_2_5,
} fe_code_rate_t;
</programlisting>
<para>which correspond to error correction rates of 1/2, 2/3, etc.,
......@@ -351,7 +353,7 @@ typedef enum fe_delivery_system {
SYS_ISDBC,
SYS_ATSC,
SYS_ATSCMH,
SYS_DMBTH,
SYS_DTMB,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
......@@ -567,28 +569,33 @@ typedef enum fe_delivery_system {
<title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title>
<para>RS frame mode.</para>
<para>Possible values are:</para>
<para id="atscmh-rs-frame-mode">
<programlisting>
typedef enum atscmh_rs_frame_mode {
ATSCMH_RSFRAME_PRI_ONLY = 0,
ATSCMH_RSFRAME_PRI_SEC = 1,
} atscmh_rs_frame_mode_t;
</programlisting>
</para>
</section>
<section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE">
<title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title>
<para>RS frame ensemble.</para>
<para>Possible values are:</para>
<para id="atscmh-rs-frame-ensemble">
<programlisting>
typedef enum atscmh_rs_frame_ensemble {
ATSCMH_RSFRAME_ENS_PRI = 0,
ATSCMH_RSFRAME_ENS_SEC = 1,
} atscmh_rs_frame_ensemble_t;
</programlisting>
</para>
</section>
<section id="DTV-ATSCMH-RS-CODE-MODE-PRI">
<title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title>
<para>RS code mode (primary).</para>
<para>Possible values are:</para>
<para id="atscmh-rs-code-mode">
<programlisting>
typedef enum atscmh_rs_code_mode {
ATSCMH_RSCODE_211_187 = 0,
......@@ -596,6 +603,7 @@ typedef enum atscmh_rs_code_mode {
ATSCMH_RSCODE_235_187 = 2,
} atscmh_rs_code_mode_t;
</programlisting>
</para>
</section>
<section id="DTV-ATSCMH-RS-CODE-MODE-SEC">
<title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title>
......@@ -613,23 +621,27 @@ typedef enum atscmh_rs_code_mode {
<title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title>
<para>Series Concatenated Convolutional Code Block Mode.</para>
<para>Possible values are:</para>
<para id="atscmh-sccc-block-mode">
<programlisting>
typedef enum atscmh_sccc_block_mode {
ATSCMH_SCCC_BLK_SEP = 0,
ATSCMH_SCCC_BLK_COMB = 1,
} atscmh_sccc_block_mode_t;
</programlisting>
</para>
</section>
<section id="DTV-ATSCMH-SCCC-CODE-MODE-A">
<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title>
<para>Series Concatenated Convolutional Code Rate.</para>
<para>Possible values are:</para>
<para id="atscmh-sccc-code-mode">
<programlisting>
typedef enum atscmh_sccc_code_mode {
ATSCMH_SCCC_CODE_HLF = 0,
ATSCMH_SCCC_CODE_QTR = 1,
} atscmh_sccc_code_mode_t;
</programlisting>
</para>
</section>
<section id="DTV-ATSCMH-SCCC-CODE-MODE-B">
<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title>
......@@ -725,6 +737,9 @@ typedef enum fe_guard_interval {
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
GUARD_INTERVAL_PN420,
GUARD_INTERVAL_PN595,
GUARD_INTERVAL_PN945,
} fe_guard_interval_t;
</programlisting>
......@@ -733,6 +748,7 @@ typedef enum fe_guard_interval {
try to find the correct guard interval (if capable) and will use TMCC to fill
in the missing parameters.</para>
<para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para>
<para>3) DTMB specifies PN420, PN595 and PN945.</para>
</section>
<section id="DTV-TRANSMISSION-MODE">
<title><constant>DTV_TRANSMISSION_MODE</constant></title>
......@@ -749,6 +765,8 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
TRANSMISSION_MODE_C1,
TRANSMISSION_MODE_C3780,
} fe_transmit_mode_t;
</programlisting>
<para>Notes:</para>
......@@ -760,6 +778,7 @@ typedef enum fe_transmit_mode {
use TMCC to fill in the missing parameters.</para>
<para>3) DVB-T specifies 2K and 8K as valid sizes.</para>
<para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para>
<para>5) DTMB specifies C1 and C3780.</para>
</section>
<section id="DTV-HIERARCHY">
<title><constant>DTV_HIERARCHY</constant></title>
......@@ -774,17 +793,28 @@ typedef enum fe_hierarchy {
} fe_hierarchy_t;
</programlisting>
</section>
<section id="DTV-ISDBS-TS-ID">
<title><constant>DTV_ISDBS_TS_ID</constant></title>
<para>Currently unused.</para>
<section id="DTV-STREAM-ID">
<title><constant>DTV_STREAM_ID</constant></title>
<para>DVB-S2, DVB-T2 and ISDB-S support the transmission of several
streams on a single transport stream.
This property enables the DVB driver to handle substream filtering,
when supported by the hardware.
By default, substream filtering is disabled.
</para><para>
For DVB-S2 and DVB-T2, the valid substream id range is from 0 to 255.
</para><para>
For ISDB, the valid substream id range is from 1 to 65535.
</para><para>
To disable it, you should use the special macro NO_STREAM_ID_FILTER.
</para><para>
Note: any value outside the id range also disables filtering.
</para>
</section>
<section id="DTV-DVBT2-PLP-ID">
<title><constant>DTV_DVBT2_PLP_ID</constant></title>
<para>DVB-T2 supports Physical Layer Pipes (PLP) to allow transmission of
many data types via a single multiplex. The API will soon support this
at which point this section will be expanded.</para>
<section id="DTV-DVBT2-PLP-ID-LEGACY">
<title><constant>DTV_DVBT2_PLP_ID_LEGACY</constant></title>
<para>Obsolete, replaced with DTV_STREAM_ID.</para>
</section>
<section id="DTV_ENUM_DELSYS">
<section id="DTV-ENUM-DELSYS">
<title><constant>DTV_ENUM_DELSYS</constant></title>
<para>A Multi standard frontend needs to advertise the delivery systems provided.
Applications need to enumerate the provided delivery systems, before using
......@@ -796,6 +826,29 @@ typedef enum fe_hierarchy {
FE_GET_INFO. In the case of a legacy frontend, the result is just the same
as with FE_GET_INFO, but in a more structured format </para>
</section>
<section id="DTV-INTERLEAVING">
<title><constant>DTV_INTERLEAVING</constant></title>
<para id="fe-interleaving">Interleaving mode</para>
<programlisting>
enum fe_interleaving {
INTERLEAVING_NONE,
INTERLEAVING_AUTO,
INTERLEAVING_240,
INTERLEAVING_720,
};
</programlisting>
</section>
<section id="DTV-LNA">
<title><constant>DTV_LNA</constant></title>
<para>Low-noise amplifier.</para>
<para>Hardware might offer controllable LNA which can be set manually
using that parameter. Usually LNA could be found only from
terrestrial devices if at all.</para>
<para>Possible values: 0, 1, LNA_AUTO</para>
<para>0, LNA off</para>
<para>1, LNA on</para>
<para>use the special macro LNA_AUTO to set LNA auto</para>
</section>
</section>
<section id="frontend-property-terrestrial-systems">
<title>Properties used on terrestrial delivery systems</title>
......@@ -816,6 +869,7 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="dvbt2-params">
......@@ -838,7 +892,8 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-DVBT2-PLP-ID"><constant>DTV_DVBT2_PLP_ID</constant></link></para></listitem>
<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="isdbt">
......@@ -925,13 +980,32 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-CODE-MODE-PRI"><constant>DTV_ATSCMH_CODE_MODE_PRI</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-CODE-MODE-SEC"><constant>DTV_ATSCMH_CODE_MODE_SEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI"><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC"><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE_MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="dtmb-params">
<title>DTMB delivery system</title>
<para>The following parameters are valid for DTMB:</para>
<itemizedlist mark='opencircle'>
<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem>
<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
</itemizedlist>
</section>
</section>
......@@ -952,6 +1026,7 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="dvbc-annex-b-params">
......@@ -966,6 +1041,7 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
</itemizedlist>
</section>
</section>
......@@ -999,6 +1075,7 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem>
<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="turbo-params">
......@@ -1021,7 +1098,7 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-ISDBS-TS-ID"><constant>DTV_ISDBS_TS_ID</constant></link></para></listitem>
<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
</itemizedlist>
</section>
</section>
......
Documentation/DocBook/media/dvb/frontend.xml
浏览文件 @ 0588000e
......@@ -66,7 +66,7 @@ supported via the new <link linkend="FE_GET_SET_PROPERTY">FE_GET_PROPERTY/FE_GET
<para>The usage of this field is deprecated, as it doesn't report all supported standards, and
will provide an incomplete information for frontends that support multiple delivery systems.
Please use <link linkend="DTV_ENUM_DELSYS">DTV_ENUM_DELSYS</link> instead.</para>
Please use <link linkend="DTV-ENUM-DELSYS">DTV_ENUM_DELSYS</link> instead.</para>
</section>
<section id="fe-caps-t">
......@@ -101,6 +101,7 @@ a specific frontend type.</para>
FE_CAN_8VSB = 0x200000,
FE_CAN_16VSB = 0x400000,
FE_HAS_EXTENDED_CAPS = 0x800000,
FE_CAN_MULTISTREAM = 0x4000000,
FE_CAN_TURBO_FEC = 0x8000000,
FE_CAN_2G_MODULATION = 0x10000000,
FE_NEEDS_BENDING = 0x20000000,
......@@ -207,18 +208,44 @@ spec.</para>
<para>Several functions of the frontend device use the fe_status data type defined
by</para>
<programlisting>
typedef enum fe_status {
FE_HAS_SIGNAL = 0x01, /&#x22C6; found something above the noise level &#x22C6;/
FE_HAS_CARRIER = 0x02, /&#x22C6; found a DVB signal &#x22C6;/
FE_HAS_VITERBI = 0x04, /&#x22C6; FEC is stable &#x22C6;/
FE_HAS_SYNC = 0x08, /&#x22C6; found sync bytes &#x22C6;/
FE_HAS_LOCK = 0x10, /&#x22C6; everything's working... &#x22C6;/
FE_TIMEDOUT = 0x20, /&#x22C6; no lock within the last ~2 seconds &#x22C6;/
FE_REINIT = 0x40 /&#x22C6; frontend was reinitialized, &#x22C6;/
} fe_status_t; /&#x22C6; application is recommned to reset &#x22C6;/
typedef enum fe_status {
FE_HAS_SIGNAL = 0x01,
FE_HAS_CARRIER = 0x02,
FE_HAS_VITERBI = 0x04,
FE_HAS_SYNC = 0x08,
FE_HAS_LOCK = 0x10,
FE_TIMEDOUT = 0x20,
FE_REINIT = 0x40,
} fe_status_t;
</programlisting>
<para>to indicate the current state and/or state changes of the frontend hardware.
</para>
<para>to indicate the current state and/or state changes of the frontend hardware:
</para>
<informaltable><tgroup cols="2"><tbody>
<row>
<entry align="char">FE_HAS_SIGNAL</entry>
<entry align="char">The frontend has found something above the noise level</entry>
</row><row>
<entry align="char">FE_HAS_CARRIER</entry>
<entry align="char">The frontend has found a DVB signal</entry>
</row><row>
<entry align="char">FE_HAS_VITERBI</entry>
<entry align="char">The frontend FEC code is stable</entry>
</row><row>
<entry align="char">FE_HAS_SYNC</entry>
<entry align="char">Syncronization bytes was found</entry>
</row><row>
<entry align="char">FE_HAS_LOCK</entry>
<entry align="char">The DVB were locked and everything is working</entry>
</row><row>
<entry align="char">FE_TIMEDOUT</entry>
<entry align="char">no lock within the last about 2 seconds</entry>
</row><row>
<entry align="char">FE_REINIT</entry>
<entry align="char">The frontend was reinitialized, application is
recommended to reset DiSEqC, tone and parameters</entry>
</row>
</tbody></tgroup></informaltable>
</section>
......@@ -238,7 +265,7 @@ and to add newer delivery systems.</para>
<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in
order to be able to support the newer System Delivery like DVB-S2, DVB-T2,
DVB-C2, ISDB, etc.</para>
<para>All kinds of parameters are combined as an union in the FrontendParameters structure:</para>
<para>All kinds of parameters are combined as an union in the FrontendParameters structure:
<programlisting>
struct dvb_frontend_parameters {
uint32_t frequency; /&#x22C6; (absolute) frequency in Hz for QAM/OFDM &#x22C6;/
......@@ -251,12 +278,13 @@ struct dvb_frontend_parameters {
struct dvb_vsb_parameters vsb;
} u;
};
</programlisting>
</programlisting></para>
<para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate
frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of
the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and
OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz.
</para>
<section id="dvb-qpsk-parameters">
<title>QPSK parameters</title>
<para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para>
......@@ -321,8 +349,8 @@ itself.
<section id="fe-code-rate-t">
<title>frontend code rate</title>
<para>The possible values for the <constant>fec_inner</constant> field used on
<link refend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and
<link refend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are:
<link linkend="dvb-qpsk-parameters"><constant>struct dvb_qpsk_parameters</constant></link> and
<link linkend="dvb-qam-parameters"><constant>struct dvb_qam_parameters</constant></link> are:
</para>
<programlisting>
typedef enum fe_code_rate {
......@@ -347,9 +375,9 @@ detection.
<section id="fe-modulation-t">
<title>frontend modulation type for QAM, OFDM and VSB</title>
<para>For cable and terrestrial frontends, e. g. for
<link refend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>,
<link refend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and
<link refend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>,
<link linkend="dvb-qam-parameters"><constant>struct dvb_qpsk_parameters</constant></link>,
<link linkend="dvb-ofdm-parameters"><constant>struct dvb_qam_parameters</constant></link> and
<link linkend="dvb-vsb-parameters"><constant>struct dvb_qam_parameters</constant></link>,
it needs to specify the quadrature modulation mode which can be one of the following:
</para>
<programlisting>
......@@ -370,8 +398,8 @@ it needs to specify the quadrature modulation mode which can be one of the follo
} fe_modulation_t;
</programlisting>
</section>
<para>Finally, there are several more parameters for OFDM:
</para>
<section>
<title>More OFDM parameters</title>
<section id="fe-transmit-mode-t">
<title>Number of carriers per channel</title>
<programlisting>
......@@ -427,6 +455,7 @@ typedef enum fe_hierarchy {
} fe_hierarchy_t;
</programlisting>
</section>
</section>
</section>
......
Documentation/DocBook/media/dvb/intro.xml
浏览文件 @ 0588000e
......@@ -205,7 +205,7 @@ a partial path like:</para>
additional include file <emphasis
role="tt">linux/dvb/version.h</emphasis> exists, which defines the
constant <emphasis role="tt">DVB_API_VERSION</emphasis>. This document
describes <emphasis role="tt">DVB_API_VERSION 5.4</emphasis>.
describes <emphasis role="tt">DVB_API_VERSION 5.8</emphasis>.
</para>
</section>
......
Documentation/DocBook/media/dvb/kdapi.xml
浏览文件 @ 0588000e
......@@ -2,7 +2,7 @@
<para>The kernel demux API defines a driver-internal interface for registering low-level,
hardware specific driver to a hardware independent demux layer. It is only of interest for
DVB device driver writers. The header file for this API is named <emphasis role="tt">demux.h</emphasis> and located in
<emphasis role="tt">drivers/media/dvb/dvb-core</emphasis>.
<emphasis role="tt">drivers/media/dvb-core</emphasis>.
</para>
<para>Maintainer note: This section must be reviewed. It is probably out of date.
</para>
......
Documentation/DocBook/media/dvb/net.xml
浏览文件 @ 0588000e
......@@ -26,4 +26,131 @@ struct dvb_net_if {
<title>DVB net Function Calls</title>
<para>To be written&#x2026;
</para>
<section id="NET_ADD_IF"
role="subsection"><title>NET_ADD_IF</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = NET_ADD_IF,
struct dvb_net_if *if);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals NET_ADD_IF for this command.</para>
</entry>
</row><row><entry
align="char">
<para>struct dvb_net_if *if
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="NET_REMOVE_IF"
role="subsection"><title>NET_REMOVE_IF</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = NET_REMOVE_IF);
</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals NET_REMOVE_IF for this command.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
<section id="NET_GET_IF"
role="subsection"><title>NET_GET_IF</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl is undocumented. Documentation is welcome.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(fd, int request = NET_GET_IF,
struct dvb_net_if *if);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals NET_GET_IF for this command.</para>
</entry>
</row><row><entry
align="char">
<para>struct dvb_net_if *if
</para>
</entry><entry
align="char">
<para>Undocumented.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section>
</section>
Documentation/DocBook/media/dvb/video.xml
浏览文件 @ 0588000e
......@@ -15,6 +15,10 @@ the audio and video device as well as the video4linux device.
<para>The ioctls that deal with SPUs (sub picture units) and navigation packets are only
supported on some MPEG decoders made for DVD playback.
</para>
<para>
These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use
of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls
have been created to replace that functionality.</para>
<section id="video_types">
<title>Video Data Types</title>
......@@ -55,7 +59,7 @@ typedef enum {
</section>
<section id="video-stream-source-t">
<title>video stream source</title>
<title>video_stream_source_t</title>
<para>The video stream source is set through the VIDEO_SELECT_SOURCE call and can take
the following values, depending on whether we are replaying from an internal (demuxer) or
external (user write) source.
......@@ -76,7 +80,7 @@ call.
</section>
<section id="video-play-state-t">
<title>video play state</title>
<title>video_play_state_t</title>
<para>The following values can be returned by the VIDEO_GET_STATUS call representing the
state of video playback.
</para>
......@@ -90,9 +94,9 @@ typedef enum {
</section>
<section id="video-command">
<title>struct video_command</title>
<para>The structure must be zeroed before use by the application
This ensures it can be extended safely in the future.</para>
<title>struct video-command</title>
<programlisting>
struct video_command {
__u32 cmd;
......@@ -121,7 +125,7 @@ struct video_command {
</section>
<section id="video-size-t">
<title>struct video_size-t</title>
<title>video_size_t</title>
<programlisting>
typedef struct {
int w;
......@@ -217,7 +221,7 @@ bits set according to the hardwares capabilities.
</section>
<section id="video-system">
<title>video system</title>
<title>video_system_t</title>
<para>A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The
following system types can be set:
</para>
......@@ -263,7 +267,7 @@ call expects the following format for that information:
</section>
<section id="video-spu">
<title>video SPU</title>
<title>struct video_spu</title>
<para>Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the
following format:
</para>
......@@ -277,12 +281,12 @@ following format:
</section>
<section id="video-spu-palette">
<title>video SPU palette</title>
<title>struct video_spu_palette</title>
<para>The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE:
</para>
<programlisting>
typedef
struct video_spu_palette{
struct video_spu_palette {
int length;
uint8_t &#x22C6;palette;
} video_spu_palette_t;
......@@ -290,13 +294,13 @@ following format:
</section>
<section id="video-navi-pack">
<title>video NAVI pack</title>
<title>struct video_navi_pack</title>
<para>In order to get the navigational data the following structure has to be passed to the ioctl
VIDEO_GET_NAVI:
</para>
<programlisting>
typedef
struct video_navi_pack{
struct video_navi_pack {
int length; /&#x22C6; 0 ... 1024 &#x22C6;/
uint8_t data[1024];
} video_navi_pack_t;
......@@ -305,7 +309,7 @@ VIDEO_GET_NAVI:
<section id="video-attributes-t">
<title>video attributes</title>
<title>video_attributes_t</title>
<para>The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES:
</para>
<programlisting>
......@@ -541,6 +545,8 @@ VIDEO_GET_NAVI:
role="subsection"><title>VIDEO_STOP</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
&VIDIOC-DECODER-CMD; instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Video Device to stop playing the current stream.
......@@ -598,6 +604,8 @@ role="subsection"><title>VIDEO_STOP</title>
role="subsection"><title>VIDEO_PLAY</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
&VIDIOC-DECODER-CMD; instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Video Device to start playing a video stream from the
......@@ -634,6 +642,8 @@ role="subsection"><title>VIDEO_PLAY</title>
role="subsection"><title>VIDEO_FREEZE</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
&VIDIOC-DECODER-CMD; instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call suspends the live video stream being played. Decoding
......@@ -674,6 +684,8 @@ role="subsection"><title>VIDEO_FREEZE</title>
role="subsection"><title>VIDEO_CONTINUE</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
&VIDIOC-DECODER-CMD; instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call restarts decoding and playing processes of the video stream
......@@ -710,6 +722,9 @@ role="subsection"><title>VIDEO_CONTINUE</title>
role="subsection"><title>VIDEO_SELECT_SOURCE</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. This ioctl was also supported by the
V4L2 ivtv driver, but that has been replaced by the ivtv-specific
<constant>IVTV_IOC_PASSTHROUGH_MODE</constant> ioctl.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call informs the video device which source shall be used for the input
......@@ -845,10 +860,160 @@ role="subsection"><title>VIDEO_GET_STATUS</title>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_GET_FRAME_COUNT"
role="subsection"><title>VIDEO_GET_FRAME_COUNT</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_FRAME</constant> control.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Video Device to return the number of displayed frames
since the decoder was started.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_GET_FRAME_COUNT, __u64 *pts);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_GET_FRAME_COUNT for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>__u64 *pts
</para>
</entry><entry
align="char">
<para>Returns the number of frames displayed since the decoder was started.
</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_GET_PTS"
role="subsection"><title>VIDEO_GET_PTS</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_PTS</constant> control.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Video Device to return the current PTS timestamp.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_GET_PTS, __u64 *pts);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_GET_PTS for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>__u64 *pts
</para>
</entry><entry
align="char">
<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
</para>
<para>
The PTS should belong to the currently played
frame if possible, but may also be a value close to it
like the PTS of the last decoded frame or the last PTS
extracted by the PES parser.</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_GET_FRAME_RATE"
role="subsection"><title>VIDEO_GET_FRAME_RATE</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call asks the Video Device to return the current framerate.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_GET_FRAME_RATE, unsigned int *rate);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_GET_FRAME_RATE for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>unsigned int *rate
</para>
</entry><entry
align="char">
<para>Returns the framerate in number of frames per 1000 seconds.
</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_GET_EVENT"
role="subsection"><title>VIDEO_GET_EVENT</title>
<para>DESCRIPTION
</para>
<para>This ioctl is for DVB devices only. To get events from a V4L2 decoder use the V4L2
&VIDIOC-DQEVENT; ioctl instead.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl call returns an event of type video_event if available. If an event is
......@@ -914,6 +1079,152 @@ role="subsection"><title>VIDEO_GET_EVENT</title>
</entry>
</row></tbody></tgroup></informaltable>
</section><section id="VIDEO_COMMAND"
role="subsection"><title>VIDEO_COMMAND</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
ioctl has been replaced by the &VIDIOC-DECODER-CMD; ioctl.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl commands the decoder. The <constant>video_command</constant> struct
is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the
&VIDIOC-DECODER-CMD; documentation for more information.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_COMMAND, struct video_command *cmd);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_COMMAND for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>struct video_command *cmd
</para>
</entry><entry
align="char">
<para>Commands the decoder.
</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_TRY_COMMAND"
role="subsection"><title>VIDEO_TRY_COMMAND</title>
<para>DESCRIPTION
</para>
<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
ioctl has been replaced by the &VIDIOC-TRY-DECODER-CMD; ioctl.</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl tries a decoder command. The <constant>video_command</constant> struct
is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the
&VIDIOC-TRY-DECODER-CMD; documentation for more information.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_TRY_COMMAND, struct video_command *cmd);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_TRY_COMMAND for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>struct video_command *cmd
</para>
</entry><entry
align="char">
<para>Try a decoder command.
</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_GET_SIZE"
role="subsection"><title>VIDEO_GET_SIZE</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This ioctl returns the size and aspect ratio.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl(int fd, int request =
VIDEO_GET_SIZE, video_size_t *size);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>int fd</para>
</entry><entry
align="char">
<para>File descriptor returned by a previous call to open().</para>
</entry>
</row><row><entry
align="char">
<para>int request</para>
</entry><entry
align="char">
<para>Equals VIDEO_GET_SIZE for this
command.</para>
</entry>
</row><row><entry
align="char">
<para>video_size_t *size
</para>
</entry><entry
align="char">
<para>Returns the size and aspect ratio.
</para>
</entry>
</row></tbody></tgroup></informaltable>
&return-value-dvb;
</section><section id="VIDEO_SET_DISPLAY_FORMAT"
role="subsection"><title>VIDEO_SET_DISPLAY_FORMAT</title>
<para>DESCRIPTION
......
Documentation/DocBook/media/v4l/biblio.xml
浏览文件 @ 0588000e
......@@ -178,23 +178,23 @@ Signal - NTSC for Studio Applications"</title>
1125-Line High-Definition Production"</title>
</biblioentry>
<biblioentry id="en50067">
<abbrev>EN&nbsp;50067</abbrev>
<biblioentry id="iec62106">
<abbrev>IEC&nbsp;62106</abbrev>
<authorgroup>
<corpauthor>European Committee for Electrotechnical Standardization
(<ulink url="http://www.cenelec.eu">http://www.cenelec.eu</ulink>)</corpauthor>
<corpauthor>International Electrotechnical Commission
(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
</authorgroup>
<title>Specification of the radio data system (RDS) for VHF/FM sound broadcasting
in the frequency range from 87,5 to 108,0 MHz</title>
</biblioentry>
<biblioentry id="nrsc4">
<abbrev>NRSC-4</abbrev>
<abbrev>NRSC-4-B</abbrev>
<authorgroup>
<corpauthor>National Radio Systems Committee
(<ulink url="http://www.nrscstandards.org">http://www.nrscstandards.org</ulink>)</corpauthor>
</authorgroup>
<title>NRSC-4: United States RBDS Standard</title>
<title>NRSC-4-B: United States RBDS Standard</title>
</biblioentry>
<biblioentry id="iso12232">
......@@ -226,4 +226,44 @@ in the frequency range from 87,5 to 108,0 MHz</title>
<title>VESA and Industry Standards and Guidelines for Computer Display Monitor Timing (DMT)</title>
</biblioentry>
<biblioentry id="vesaedid">
<abbrev>EDID</abbrev>
<authorgroup>
<corpauthor>Video Electronics Standards Association
(<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor>
</authorgroup>
<title>VESA Enhanced Extended Display Identification Data Standard</title>
<subtitle>Release A, Revision 2</subtitle>
</biblioentry>
<biblioentry id="hdcp">
<abbrev>HDCP</abbrev>
<authorgroup>
<corpauthor>Digital Content Protection LLC
(<ulink url="http://www.digital-cp.com">http://www.digital-cp.com</ulink>)</corpauthor>
</authorgroup>
<title>High-bandwidth Digital Content Protection System</title>
<subtitle>Revision 1.3</subtitle>
</biblioentry>
<biblioentry id="hdmi">
<abbrev>HDMI</abbrev>
<authorgroup>
<corpauthor>HDMI Licensing LLC
(<ulink url="http://www.hdmi.org">http://www.hdmi.org</ulink>)</corpauthor>
</authorgroup>
<title>High-Definition Multimedia Interface</title>
<subtitle>Specification Version 1.4a</subtitle>
</biblioentry>
<biblioentry id="dp">
<abbrev>DP</abbrev>
<authorgroup>
<corpauthor>Video Electronics Standards Association
(<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor>
</authorgroup>
<title>VESA DisplayPort Standard</title>
<subtitle>Version 1, Revision 2</subtitle>
</biblioentry>
</bibliography>
Documentation/DocBook/media/v4l/common.xml
浏览文件 @ 0588000e
......@@ -564,7 +564,7 @@ automatically.</para>
<para>To query and select the standard used by the current video
input or output applications call the &VIDIOC-G-STD; and
&VIDIOC-S-STD; ioctl, respectively. The <emphasis>received</emphasis>
standard can be sensed with the &VIDIOC-QUERYSTD; ioctl. Note parameter of all these ioctls is a pointer to a &v4l2-std-id; type (a standard set), <emphasis>not</emphasis> an index into the standard enumeration.<footnote>
standard can be sensed with the &VIDIOC-QUERYSTD; ioctl. Note that the parameter of all these ioctls is a pointer to a &v4l2-std-id; type (a standard set), <emphasis>not</emphasis> an index into the standard enumeration.<footnote>
<para>An alternative to the current scheme is to use pointers
to indices as arguments of <constant>VIDIOC_G_STD</constant> and
<constant>VIDIOC_S_STD</constant>, the &v4l2-input; and
......@@ -588,30 +588,28 @@ switch to a standard by &v4l2-std-id;.</para>
</footnote> Drivers must implement all video standard ioctls
when the device has one or more video inputs or outputs.</para>
<para>Special rules apply to USB cameras where the notion of video
standards makes little sense. More generally any capture device,
output devices accordingly, which is <itemizedlist>
<para>Special rules apply to devices such as USB cameras where the notion of video
standards makes little sense. More generally for any capture or output device
which is: <itemizedlist>
<listitem>
<para>incapable of capturing fields or frames at the nominal
rate of the video standard, or</para>
</listitem>
<listitem>
<para>where <link linkend="buffer">timestamps</link> refer
to the instant the field or frame was received by the driver, not the
capture time, or</para>
</listitem>
<listitem>
<para>where <link linkend="buffer">sequence numbers</link>
refer to the frames received by the driver, not the captured
frames.</para>
<para>that does not support the video standard formats at all.</para>
</listitem>
</itemizedlist> Here the driver shall set the
<structfield>std</structfield> field of &v4l2-input; and &v4l2-output;
to zero, the <constant>VIDIOC_G_STD</constant>,
to zero and the <constant>VIDIOC_G_STD</constant>,
<constant>VIDIOC_S_STD</constant>,
<constant>VIDIOC_QUERYSTD</constant> and
<constant>VIDIOC_ENUMSTD</constant> ioctls shall return the
&EINVAL;.<footnote>
&ENOTTY;.<footnote>
<para>See <xref linkend="buffer" /> for a rationale.</para>
<para>Applications can make use of the <xref linkend="input-capabilities" /> and
<xref linkend="output-capabilities"/> flags to determine whether the video standard ioctls
are available for the device.</para>
&ENOTTY;.
<para>See <xref linkend="buffer" /> for a rationale. Probably
even USB cameras follow some well known video standard. It might have
been better to explicitly indicate elsewhere if a device cannot live
......@@ -626,9 +624,9 @@ up to normal expectations, instead of this exception.</para>
&v4l2-standard; standard;
if (-1 == ioctl (fd, &VIDIOC-G-STD;, &amp;std_id)) {
/* Note when VIDIOC_ENUMSTD always returns EINVAL this
/* Note when VIDIOC_ENUMSTD always returns ENOTTY this
is no video device or it falls under the USB exception,
and VIDIOC_G_STD returning EINVAL is no error. */
and VIDIOC_G_STD returning ENOTTY is no error. */
perror ("VIDIOC_G_STD");
exit (EXIT_FAILURE);
......
Documentation/DocBook/media/v4l/compat.xml
浏览文件 @ 0588000e
......@@ -1476,7 +1476,7 @@ follows.<informaltable>
</row>
<row>
<entry><constant>V4L2_BUF_TYPE_PRIVATE_BASE</constant></entry>
<entry><constant>V4L2_BUF_TYPE_PRIVATE</constant></entry>
<entry><constant>V4L2_BUF_TYPE_PRIVATE</constant> (but this is deprecated)</entry>
</row>
</tbody>
</tgroup>
......@@ -2468,21 +2468,9 @@ that used it. It was originally scheduled for removal in 2.6.35.
<structfield>reserved2</structfield> and removed
<constant>V4L2_BUF_FLAG_INPUT</constant>.</para>
</listitem>
</orderedlist>
</section>
<section>
<title>V4L2 in Linux 3.6</title>
<orderedlist>
<listitem>
<para>Added V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE capabilities.</para>
</listitem>
</orderedlist>
</section>
<section>
<title>V4L2 in Linux 3.6</title>
<orderedlist>
<listitem>
<para>Added support for frequency band enumerations: &VIDIOC-ENUM-FREQ-BANDS;.</para>
</listitem>
......@@ -2567,29 +2555,6 @@ and may change in the future.</para>
<para>Video Output Overlay (OSD) Interface, <xref
linkend="osd" />.</para>
</listitem>
<listitem>
<para><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant>,
&v4l2-buf-type;, <xref linkend="v4l2-buf-type" />.</para>
</listitem>
<listitem>
<para><constant>V4L2_CAP_VIDEO_OUTPUT_OVERLAY</constant>,
&VIDIOC-QUERYCAP; ioctl, <xref linkend="device-capabilities" />.</para>
</listitem>
<listitem>
<para>&VIDIOC-ENUM-FRAMESIZES; and
&VIDIOC-ENUM-FRAMEINTERVALS; ioctls.</para>
</listitem>
<listitem>
<para>&VIDIOC-G-ENC-INDEX; ioctl.</para>
</listitem>
<listitem>
<para>&VIDIOC-ENCODER-CMD; and &VIDIOC-TRY-ENCODER-CMD;
ioctls.</para>
</listitem>
<listitem>
<para>&VIDIOC-DECODER-CMD; and &VIDIOC-TRY-DECODER-CMD;
ioctls.</para>
</listitem>
<listitem>
<para>&VIDIOC-DBG-G-REGISTER; and &VIDIOC-DBG-S-REGISTER;
ioctls.</para>
......@@ -2615,11 +2580,11 @@ ioctls.</para>
and &VIDIOC-SUBDEV-S-SELECTION; ioctls.</para>
</listitem>
<listitem>
<para><link linkend="v4l2-auto-focus-area"><constant>
V4L2_CID_AUTO_FOCUS_AREA</constant></link> control.</para>
<para>Support for frequency band enumeration: &VIDIOC-ENUM-FREQ-BANDS; ioctl.</para>
</listitem>
<listitem>
<para>Support for frequency band enumeration: &VIDIOC-ENUM-FREQ-BANDS; ioctl.</para>
<para>Vendor and device specific media bus pixel formats.
<xref linkend="v4l2-mbus-vendor-spec-fmts" />.</para>
</listitem>
</itemizedlist>
</section>
......
Documentation/DocBook/media/v4l/dev-osd.xml
浏览文件 @ 0588000e
<title>Video Output Overlay Interface</title>
<subtitle>Also known as On-Screen Display (OSD)</subtitle>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>Some video output devices can overlay a framebuffer image onto
the outgoing video signal. Applications can set up such an overlay
using this interface, which borrows structures and ioctls of the <link
......
Documentation/DocBook/media/v4l/dev-rds.xml
浏览文件 @ 0588000e
......@@ -6,7 +6,7 @@ information, on an inaudible audio subcarrier of a radio program. This
interface is aimed at devices capable of receiving and/or transmitting RDS
information.</para>
<para>For more information see the core RDS standard <xref linkend="en50067" />
<para>For more information see the core RDS standard <xref linkend="iec62106" />
and the RBDS standard <xref linkend="nrsc4" />.</para>
<para>Note that the RBDS standard as is used in the USA is almost identical
......
Documentation/DocBook/media/v4l/dev-subdev.xml
浏览文件 @ 0588000e
......@@ -374,29 +374,29 @@
rectangle --- if it is supported by the hardware.</para>
<orderedlist>
<listitem>Sink pad format. The user configures the sink pad
<listitem><para>Sink pad format. The user configures the sink pad
format. This format defines the parameters of the image the
entity receives through the pad for further processing.</listitem>
entity receives through the pad for further processing.</para></listitem>
<listitem>Sink pad actual crop selection. The sink pad crop
defines the crop performed to the sink pad format.</listitem>
<listitem><para>Sink pad actual crop selection. The sink pad crop
defines the crop performed to the sink pad format.</para></listitem>
<listitem>Sink pad actual compose selection. The size of the
<listitem><para>Sink pad actual compose selection. The size of the
sink pad compose rectangle defines the scaling ratio compared
to the size of the sink pad crop rectangle. The location of
the compose rectangle specifies the location of the actual
sink compose rectangle in the sink compose bounds
rectangle.</listitem>
rectangle.</para></listitem>
<listitem>Source pad actual crop selection. Crop on the source
<listitem><para>Source pad actual crop selection. Crop on the source
pad defines crop performed to the image in the sink compose
bounds rectangle.</listitem>
bounds rectangle.</para></listitem>
<listitem>Source pad format. The source pad format defines the
<listitem><para>Source pad format. The source pad format defines the
output pixel format of the subdev, as well as the other
parameters with the exception of the image width and height.
Width and height are defined by the size of the source pad
actual crop selection.</listitem>
actual crop selection.</para></listitem>
</orderedlist>
<para>Accessing any of the above rectangles not supported by the
......
Documentation/DocBook/media/v4l/gen-errors.xml
浏览文件 @ 0588000e
......@@ -6,6 +6,15 @@
&cs-str;
<tbody valign="top">
<!-- Keep it ordered alphabetically -->
<row>
<entry>EAGAIN (aka EWOULDBLOCK)</entry>
<entry>The ioctl can't be handled because the device is in state where
it can't perform it. This could happen for example in case where
device is sleeping and ioctl is performed to query statistics.
It is also returned when the ioctl would need to wait
for an event, but the device was opened in non-blocking mode.
</entry>
</row>
<row>
<entry>EBADF</entry>
<entry>The file descriptor is not a valid.</entry>
......@@ -50,22 +59,12 @@
that this request would overcommit the usb bandwidth reserved
for periodic transfers (up to 80% of the USB bandwidth).</entry>
</row>
<row>
<entry>ENOSYS or EOPNOTSUPP</entry>
<entry>Function not available for this device (dvb API only. Will likely
be replaced anytime soon by ENOTTY).</entry>
</row>
<row>
<entry>EPERM</entry>
<entry>Permission denied. Can be returned if the device needs write
permission, or some special capabilities is needed
(e. g. root)</entry>
</row>
<row>
<entry>EWOULDBLOCK</entry>
<entry>Operation would block. Used when the ioctl would need to wait
for an event, but the device was opened in non-blocking mode.</entry>
</row>
</tbody>
</tgroup>
</table>
......
Documentation/DocBook/media/v4l/io.xml
浏览文件 @ 0588000e
......@@ -613,8 +613,8 @@ field is independent of the <structfield>timestamp</structfield> and
<entry>__u32</entry>
<entry><structfield>sequence</structfield></entry>
<entry></entry>
<entry>Set by the driver, counting the frames in the
sequence.</entry>
<entry>Set by the driver, counting the frames (not fields!) in
sequence. This field is set for both input and output devices.</entry>
</row>
<row>
<entry spanname="hspan"><para>In <link
......@@ -677,26 +677,24 @@ memory, set by the application. See <xref linkend="userp" /> for details.
<entry><structfield>length</structfield></entry>
<entry></entry>
<entry>Size of the buffer (not the payload) in bytes for the
single-planar API. For the multi-planar API should contain the
number of elements in the <structfield>planes</structfield> array.
single-planar API. For the multi-planar API the application sets
this to the number of elements in the <structfield>planes</structfield>
array. The driver will fill in the actual number of valid elements in
that array.
</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved2</structfield></entry>
<entry></entry>
<entry>A place holder for future extensions and custom
(driver defined) buffer types
<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications
<entry>A place holder for future extensions. Applications
should set this to 0.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield></entry>
<entry></entry>
<entry>A place holder for future extensions and custom
(driver defined) buffer types
<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications
<entry>A place holder for future extensions. Applications
should set this to 0.</entry>
</row>
</tbody>
......@@ -827,14 +825,7 @@ should set this to 0.</entry>
<entry><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant></entry>
<entry>8</entry>
<entry>Buffer for video output overlay (OSD), see <xref
linkend="osd" />. Status: <link
linkend="experimental">Experimental</link>.</entry>
</row>
<row>
<entry><constant>V4L2_BUF_TYPE_PRIVATE</constant></entry>
<entry>0x80</entry>
<entry>This and higher values are reserved for custom
(driver defined) buffer types.</entry>
linkend="osd" />.</entry>
</row>
</tbody>
</tgroup>
......
Documentation/DocBook/media/v4l/pixfmt-nv12m.xml
浏览文件 @ 0588000e
<refentry id="V4L2-PIX-FMT-NV12M">
<refentry>
<refmeta>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NM12')</refentrytitle>
<refentrytitle>V4L2_PIX_FMT_NV12M ('NM12'), V4L2_PIX_FMT_NV21M ('NM21'), V4L2_PIX_FMT_NV12MT_16X16</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname> <constant>V4L2_PIX_FMT_NV12M</constant></refname>
<refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> with planes
<refname id="V4L2-PIX-FMT-NV12M"><constant>V4L2_PIX_FMT_NV12M</constant></refname>
<refname id="V4L2-PIX-FMT-NV21M"><constant>V4L2_PIX_FMT_NV21M</constant></refname>
<refname id="V4L2-PIX-FMT-NV12MT_16X16"><constant>V4L2_PIX_FMT_NV12MT_16X16</constant></refname>
<refpurpose>Variation of <constant>V4L2_PIX_FMT_NV12</constant> and <constant>V4L2_PIX_FMT_NV21</constant> with planes
non contiguous in memory. </refpurpose>
</refnamediv>
<refsect1>
......@@ -22,7 +24,12 @@ The CbCr plane is the same width, in bytes, as the Y plane (and of the image),
but is half as tall in pixels. Each CbCr pair belongs to four pixels. For example,
Cb<subscript>0</subscript>/Cr<subscript>0</subscript> belongs to
Y'<subscript>00</subscript>, Y'<subscript>01</subscript>,
Y'<subscript>10</subscript>, Y'<subscript>11</subscript>. </para>
Y'<subscript>10</subscript>, Y'<subscript>11</subscript>.
<constant>V4L2_PIX_FMT_NV12MT_16X16</constant> is the tiled version of
<constant>V4L2_PIX_FMT_NV12M</constant> with 16x16 macroblock tiles. Here pixels
are arranged in 16x16 2D tiles and tiles are arranged in linear order in memory.
<constant>V4L2_PIX_FMT_NV21M</constant> is the same as <constant>V4L2_PIX_FMT_NV12M</constant>
except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte.</para>
<para><constant>V4L2_PIX_FMT_NV12M</constant> is intended to be
used only in drivers and applications that support the multi-planar API,
......
Documentation/DocBook/media/v4l/pixfmt-srggb10dpcm8.xml
浏览文件 @ 0588000e
......@@ -22,8 +22,7 @@
with 10 bits per colour compressed to 8 bits each, using DPCM
compression. DPCM, differential pulse-code modulation, is lossy.
Each colour component consumes 8 bits of memory. In other respects
this format is similar to <xref
linkend="pixfmt-srggb10">.</xref></para>
this format is similar to <xref linkend="pixfmt-srggb10" />.</para>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/pixfmt-yvu420m.xml 0 → 100644
浏览文件 @ 0588000e
<refentry id="V4L2-PIX-FMT-YVU420M">
<refmeta>
<refentrytitle>V4L2_PIX_FMT_YVU420M ('YM21')</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname> <constant>V4L2_PIX_FMT_YVU420M</constant></refname>
<refpurpose>Variation of <constant>V4L2_PIX_FMT_YVU420</constant>
with planes non contiguous in memory. </refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>This is a multi-planar format, as opposed to a packed format.
The three components are separated into three sub-images or planes.
The Y plane is first. The Y plane has one byte per pixel. The Cr data
constitutes the second plane which is half the width and half
the height of the Y plane (and of the image). Each Cr belongs to four
pixels, a two-by-two square of the image. For example,
Cr<subscript>0</subscript> belongs to Y'<subscript>00</subscript>,
Y'<subscript>01</subscript>, Y'<subscript>10</subscript>, and
Y'<subscript>11</subscript>. The Cb data, just like the Cr plane, constitutes
the third plane. </para>
<para>If the Y plane has pad bytes after each row, then the Cr
and Cb planes have half as many pad bytes after their rows. In other
words, two Cx rows (including padding) is exactly as long as one Y row
(including padding).</para>
<para><constant>V4L2_PIX_FMT_YVU420M</constant> is intended to be
used only in drivers and applications that support the multi-planar API,
described in <xref linkend="planar-apis"/>. </para>
<example>
<title><constant>V4L2_PIX_FMT_YVU420M</constant> 4 &times; 4
pixel image</title>
<formalpara>
<title>Byte Order.</title>
<para>Each cell is one byte.
<informaltable frame="none">
<tgroup cols="5" align="center">
<colspec align="left" colwidth="2*" />
<tbody valign="top">
<row>
<entry>start0&nbsp;+&nbsp;0:</entry>
<entry>Y'<subscript>00</subscript></entry>
<entry>Y'<subscript>01</subscript></entry>
<entry>Y'<subscript>02</subscript></entry>
<entry>Y'<subscript>03</subscript></entry>
</row>
<row>
<entry>start0&nbsp;+&nbsp;4:</entry>
<entry>Y'<subscript>10</subscript></entry>
<entry>Y'<subscript>11</subscript></entry>
<entry>Y'<subscript>12</subscript></entry>
<entry>Y'<subscript>13</subscript></entry>
</row>
<row>
<entry>start0&nbsp;+&nbsp;8:</entry>
<entry>Y'<subscript>20</subscript></entry>
<entry>Y'<subscript>21</subscript></entry>
<entry>Y'<subscript>22</subscript></entry>
<entry>Y'<subscript>23</subscript></entry>
</row>
<row>
<entry>start0&nbsp;+&nbsp;12:</entry>
<entry>Y'<subscript>30</subscript></entry>
<entry>Y'<subscript>31</subscript></entry>
<entry>Y'<subscript>32</subscript></entry>
<entry>Y'<subscript>33</subscript></entry>
</row>
<row><entry></entry></row>
<row>
<entry>start1&nbsp;+&nbsp;0:</entry>
<entry>Cr<subscript>00</subscript></entry>
<entry>Cr<subscript>01</subscript></entry>
</row>
<row>
<entry>start1&nbsp;+&nbsp;2:</entry>
<entry>Cr<subscript>10</subscript></entry>
<entry>Cr<subscript>11</subscript></entry>
</row>
<row><entry></entry></row>
<row>
<entry>start2&nbsp;+&nbsp;0:</entry>
<entry>Cb<subscript>00</subscript></entry>
<entry>Cb<subscript>01</subscript></entry>
</row>
<row>
<entry>start2&nbsp;+&nbsp;2:</entry>
<entry>Cb<subscript>10</subscript></entry>
<entry>Cb<subscript>11</subscript></entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</formalpara>
<formalpara>
<title>Color Sample Location.</title>
<para>
<informaltable frame="none">
<tgroup cols="7" align="center">
<tbody valign="top">
<row>
<entry></entry>
<entry>0</entry><entry></entry><entry>1</entry><entry></entry>
<entry>2</entry><entry></entry><entry>3</entry>
</row>
<row>
<entry>0</entry>
<entry>Y</entry><entry></entry><entry>Y</entry><entry></entry>
<entry>Y</entry><entry></entry><entry>Y</entry>
</row>
<row>
<entry></entry>
<entry></entry><entry>C</entry><entry></entry><entry></entry>
<entry></entry><entry>C</entry><entry></entry>
</row>
<row>
<entry>1</entry>
<entry>Y</entry><entry></entry><entry>Y</entry><entry></entry>
<entry>Y</entry><entry></entry><entry>Y</entry>
</row>
<row>
<entry></entry>
</row>
<row>
<entry>2</entry>
<entry>Y</entry><entry></entry><entry>Y</entry><entry></entry>
<entry>Y</entry><entry></entry><entry>Y</entry>
</row>
<row>
<entry></entry>
<entry></entry><entry>C</entry><entry></entry><entry></entry>
<entry></entry><entry>C</entry><entry></entry>
</row>
<row>
<entry>3</entry>
<entry>Y</entry><entry></entry><entry>Y</entry><entry></entry>
<entry>Y</entry><entry></entry><entry>Y</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</formalpara>
</example>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/pixfmt.xml
浏览文件 @ 0588000e
......@@ -708,6 +708,7 @@ information.</para>
&sub-y41p;
&sub-yuv420;
&sub-yuv420m;
&sub-yvu420m;
&sub-yuv410;
&sub-yuv422p;
&sub-yuv411p;
......@@ -757,6 +758,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see
<entry>'AVC1'</entry>
<entry>H264 video elementary stream without start codes.</entry>
</row>
<row id="V4L2-PIX-FMT-H264-MVC">
<entry><constant>V4L2_PIX_FMT_H264_MVC</constant></entry>
<entry>'MVC'</entry>
<entry>H264 MVC video elementary stream.</entry>
</row>
<row id="V4L2-PIX-FMT-H263">
<entry><constant>V4L2_PIX_FMT_H263</constant></entry>
<entry>'H263'</entry>
......@@ -792,6 +798,11 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see
<entry>'VC1L'</entry>
<entry>VC1, SMPTE 421M Annex L compliant stream.</entry>
</row>
<row id="V4L2-PIX-FMT-VP8">
<entry><constant>V4L2_PIX_FMT_VP8</constant></entry>
<entry>'VP8'</entry>
<entry>VP8 video elementary stream.</entry>
</row>
</tbody>
</tgroup>
</table>
......@@ -995,6 +1006,34 @@ the other bits are set to 0.</entry>
<entry>Old 6-bit greyscale format. Only the most significant 6 bits of each byte are used,
the other bits are set to 0.</entry>
</row>
<row id="V4L2-PIX-FMT-S5C-UYVY-JPG">
<entry><constant>V4L2_PIX_FMT_S5C_UYVY_JPG</constant></entry>
<entry>'S5CI'</entry>
<entry>Two-planar format used by Samsung S5C73MX cameras. The
first plane contains interleaved JPEG and UYVY image data, followed by meta data
in form of an array of offsets to the UYVY data blocks. The actual pointer array
follows immediately the interleaved JPEG/UYVY data, the number of entries in
this array equals the height of the UYVY image. Each entry is a 4-byte unsigned
integer in big endian order and it's an offset to a single pixel line of the
UYVY image. The first plane can start either with JPEG or UYVY data chunk. The
size of a single UYVY block equals the UYVY image's width multiplied by 2. The
size of a JPEG chunk depends on the image and can vary with each line.
<para>The second plane, at an offset of 4084 bytes, contains a 4-byte offset to
the pointer array in the first plane. This offset is followed by a 4-byte value
indicating size of the pointer array. All numbers in the second plane are also
in big endian order. Remaining data in the second plane is undefined. The
information in the second plane allows to easily find location of the pointer
array, which can be different for each frame. The size of the pointer array is
constant for given UYVY image height.</para>
<para>In order to extract UYVY and JPEG frames an application can initially set
a data pointer to the start of first plane and then add an offset from the first
entry of the pointers table. Such a pointer indicates start of an UYVY image
pixel line. Whole UYVY line can be copied to a separate buffer. These steps
should be repeated for each line, i.e. the number of entries in the pointer
array. Anything what's in between the UYVY lines is JPEG data and should be
concatenated to form the JPEG stream. </para>
</entry>
</row>
</tbody>
</tgroup>
</table>
......
Documentation/DocBook/media/v4l/selection-api.xml
浏览文件 @ 0588000e
......@@ -40,6 +40,7 @@ cropping and composing rectangles have the same size.</para>
<section>
<title>Selection targets</title>
<para>
<figure id="sel-targets-capture">
<title>Cropping and composing targets</title>
<mediaobject>
......@@ -52,12 +53,12 @@ cropping and composing rectangles have the same size.</para>
</textobject>
</mediaobject>
</figure>
</para>
<para>See <xref linkend="v4l2-selection-targets" /> for more
information.</para>
</section>
See <xref linkend="v4l2-selection-targets" /> for more
information.
<section>
<title>Configuration</title>
......@@ -216,18 +217,17 @@ composing and cropping operations by setting the appropriate targets. The V4L2
API lacks any support for composing to and cropping from an image inside a
memory buffer. The application could configure a capture device to fill only a
part of an image by abusing V4L2 API. Cropping a smaller image from a larger
one is achieved by setting the field <structfield>
&v4l2-pix-format;::bytesperline </structfield>. Introducing an image offsets
could be done by modifying field <structfield> &v4l2-buffer;::m:userptr
</structfield> before calling <constant> VIDIOC_QBUF </constant>. Those
one is achieved by setting the field
&v4l2-pix-format;<structfield>::bytesperline</structfield>. Introducing an image offsets
could be done by modifying field &v4l2-buffer;<structfield>::m_userptr</structfield>
before calling <constant> VIDIOC_QBUF </constant>. Those
operations should be avoided because they are not portable (endianness), and do
not work for macroblock and Bayer formats and mmap buffers. The selection API
deals with configuration of buffer cropping/composing in a clear, intuitive and
portable way. Next, with the selection API the concepts of the padded target
and constraints flags are introduced. Finally, <structname> &v4l2-crop;
</structname> and <structname> &v4l2-cropcap; </structname> have no reserved
fields. Therefore there is no way to extend their functionality. The new
<structname> &v4l2-selection; </structname> provides a lot of place for future
and constraints flags are introduced. Finally, &v4l2-crop; and &v4l2-cropcap;
have no reserved fields. Therefore there is no way to extend their functionality.
The new &v4l2-selection; provides a lot of place for future
extensions. Driver developers are encouraged to implement only selection API.
The former cropping API would be simulated using the new one. </para>
......
Documentation/DocBook/media/v4l/subdev-formats.xml
浏览文件 @ 0588000e
......@@ -2565,5 +2565,49 @@
</tgroup>
</table>
</section>
<section id="v4l2-mbus-vendor-spec-fmts">
<title>Vendor and Device Specific Formats</title>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>This section lists complex data formats that are either vendor or
device specific.
</para>
<para>The following table lists the existing vendor and device specific
formats.</para>
<table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-vendor-specific">
<title>Vendor and device specific formats</title>
<tgroup cols="3">
<colspec colname="id" align="left" />
<colspec colname="code" align="left"/>
<colspec colname="remarks" align="left"/>
<thead>
<row>
<entry>Identifier</entry>
<entry>Code</entry>
<entry>Comments</entry>
</row>
</thead>
<tbody valign="top">
<row id="V4L2-MBUS-FMT-S5C-UYVY-JPEG-1X8">
<entry>V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8</entry>
<entry>0x5001</entry>
<entry>
Interleaved raw UYVY and JPEG image format with embedded
meta-data used by Samsung S3C73MX camera sensors.
</entry>
</row>
</tbody>
</tgroup>
</table>
</section>
</section>
</section>
Documentation/DocBook/media/v4l/v4l2.xml
浏览文件 @ 0588000e
......@@ -145,9 +145,12 @@ applications. -->
<authorinitials>hv</authorinitials>
<revremark>Added VIDIOC_ENUM_FREQ_BANDS.
</revremark>
</revision>
<revision>
<revnumber>3.5</revnumber>
<date>2012-05-07</date>
<authorinitials>sa, sn</authorinitials>
<authorinitials>sa, sn, hv</authorinitials>
<revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev
selections API. Improved the description of V4L2_CID_COLORFX
control, added V4L2_CID_COLORFX_CBCR control.
......@@ -158,11 +161,8 @@ applications. -->
V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START,
V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS
and V4L2_CID_AUTO_FOCUS_RANGE.
</revremark>
<date>2012-05-01</date>
<authorinitials>hv</authorinitials>
<revremark>Added VIDIOC_ENUM_DV_TIMINGS, VIDIOC_QUERY_DV_TIMINGS and
VIDIOC_DV_TIMINGS_CAP.
Added VIDIOC_ENUM_DV_TIMINGS, VIDIOC_QUERY_DV_TIMINGS and
VIDIOC_DV_TIMINGS_CAP.
</revremark>
</revision>
......@@ -472,7 +472,7 @@ and discussions on the V4L mailing list.</revremark>
</partinfo>
<title>Video for Linux Two API Specification</title>
<subtitle>Revision 3.5</subtitle>
<subtitle>Revision 3.6</subtitle>
<chapter id="common">
&sub-common;
......@@ -581,6 +581,7 @@ and discussions on the V4L mailing list.</revremark>
&sub-subdev-enum-frame-size;
&sub-subdev-enum-mbus-code;
&sub-subdev-g-crop;
&sub-subdev-g-edid;
&sub-subdev-g-fmt;
&sub-subdev-g-frame-interval;
&sub-subdev-g-selection;
......
Documentation/DocBook/media/v4l/vidioc-cropcap.xml
浏览文件 @ 0588000e
......@@ -59,6 +59,9 @@ constant except when switching the video standard. Remember this
switch can occur implicit when switching the video input or
output.</para>
<para>This ioctl must be implemented for video capture or output devices that
support cropping and/or scaling and/or have non-square pixels, and for overlay devices.</para>
<table pgwide="1" frame="none" id="v4l2-cropcap">
<title>struct <structname>v4l2_cropcap</structname></title>
<tgroup cols="3">
......@@ -70,10 +73,10 @@ output.</para>
<entry>Type of the data stream, set by the application.
Only these types are valid here:
<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver
defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant>
and higher. See <xref linkend="v4l2-buf-type" />.</entry>
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant> and
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry>
</row>
<row>
<entry>struct <link linkend="v4l2-rect-crop">v4l2_rect</link></entry>
......@@ -156,8 +159,7 @@ on 22 Oct 2002 subject "Re:[V4L][patches!] Re:v4l2/kernel-2.5" -->
<term><errorcode>EINVAL</errorcode></term>
<listitem>
<para>The &v4l2-cropcap; <structfield>type</structfield> is
invalid. This is not permitted for video capture, output and overlay devices,
which must support <constant>VIDIOC_CROPCAP</constant>.</para>
invalid.</para>
</listitem>
</varlistentry>
</variablelist>
......
Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml
浏览文件 @ 0588000e
......@@ -49,13 +49,6 @@
<refsect1>
<title>Description</title>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>These ioctls control an audio/video (usually MPEG-) decoder.
<constant>VIDIOC_DECODER_CMD</constant> sends a command to the
decoder, <constant>VIDIOC_TRY_DECODER_CMD</constant> can be used to
......
Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml
浏览文件 @ 0588000e
......@@ -49,13 +49,6 @@
<refsect1>
<title>Description</title>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>These ioctls control an audio/video (usually MPEG-) encoder.
<constant>VIDIOC_ENCODER_CMD</constant> sends a command to the
encoder, <constant>VIDIOC_TRY_ENCODER_CMD</constant> can be used to
......
Documentation/DocBook/media/v4l/vidioc-enum-dv-presets.xml
浏览文件 @ 0588000e
......@@ -229,6 +229,12 @@ intended for the user.</entry>
is out of bounds.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml
浏览文件 @ 0588000e
......@@ -106,6 +106,12 @@ application.</entry>
is out of bounds.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
......
Documentation/DocBook/media/v4l/vidioc-enum-fmt.xml
浏览文件 @ 0588000e
......@@ -58,6 +58,9 @@ structure. Drivers fill the rest of the structure or return an
incrementing by one until <errorcode>EINVAL</errorcode> is
returned.</para>
<para>Note that after switching input or output the list of enumerated image
formats may be different.</para>
<table pgwide="1" frame="none" id="v4l2-fmtdesc">
<title>struct <structname>v4l2_fmtdesc</structname></title>
<tgroup cols="3">
......@@ -78,10 +81,8 @@ Only these types are valid here:
<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver
defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant>
and higher. See <xref linkend="v4l2-buf-type" />.</entry>
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant> and
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry>
</row>
<row>
<entry>__u32</entry>
......
Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml
浏览文件 @ 0588000e
......@@ -50,13 +50,6 @@ and pixel format and receives a frame width and height.</para>
<refsect1>
<title>Description</title>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>This ioctl allows applications to enumerate all frame sizes
(&ie; width and height in pixels) that the device supports for the
given pixel format.</para>
......
Documentation/DocBook/media/v4l/vidioc-enuminput.xml
浏览文件 @ 0588000e
......@@ -283,7 +283,7 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009.
<entry>This input supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry>
</row>
<row>
<entry><constant>V4L2_IN_CAP_CUSTOM_TIMINGS</constant></entry>
<entry><constant>V4L2_IN_CAP_DV_TIMINGS</constant></entry>
<entry>0x00000002</entry>
<entry>This input supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry>
</row>
......
Documentation/DocBook/media/v4l/vidioc-enumoutput.xml
浏览文件 @ 0588000e
......@@ -168,7 +168,7 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009.
<entry>This output supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry>
</row>
<row>
<entry><constant>V4L2_OUT_CAP_CUSTOM_TIMINGS</constant></entry>
<entry><constant>V4L2_OUT_CAP_DV_TIMINGS</constant></entry>
<entry>0x00000002</entry>
<entry>This output supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry>
</row>
......
Documentation/DocBook/media/v4l/vidioc-enumstd.xml
浏览文件 @ 0588000e
......@@ -378,6 +378,12 @@ system)</para></footnote></para></entry>
is out of bounds.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Standard video timings are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-g-crop.xml
浏览文件 @ 0588000e
......@@ -104,10 +104,8 @@ changed and <constant>VIDIOC_S_CROP</constant> returns the
<entry><structfield>type</structfield></entry>
<entry>Type of the data stream, set by the application.
Only these types are valid here: <constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant>,
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, and custom (driver
defined) types with code <constant>V4L2_BUF_TYPE_PRIVATE</constant>
and higher. See <xref linkend="v4l2-buf-type" />.</entry>
<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant> and
<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>. See <xref linkend="v4l2-buf-type" />.</entry>
</row>
<row>
<entry>&v4l2-rect;</entry>
......
Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml
浏览文件 @ 0588000e
......@@ -77,6 +77,12 @@ If the preset is not supported, it returns an &EINVAL; </para>
<constant>VIDIOC_S_DV_PRESET</constant>,<constant>VIDIOC_S_DV_PRESET</constant> parameter was unsuitable.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EBUSY</errorcode></term>
<listitem>
......@@ -104,7 +110,4 @@ If the preset is not supported, it returns an &EINVAL; </para>
</tgroup>
</table>
</refsect1>
<refsect1>
&return-value;
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
浏览文件 @ 0588000e
......@@ -56,7 +56,9 @@ a pointer to the &v4l2-dv-timings; structure as argument. If the ioctl is not su
or the timing values are not correct, the driver returns &EINVAL;.</para>
<para>The <filename>linux/v4l2-dv-timings.h</filename> header can be used to get the
timings of the formats in the <xref linkend="cea861" /> and <xref linkend="vesadmt" />
standards.</para>
standards. If the current input or output does not support DV timings (e.g. if
&VIDIOC-ENUMINPUT; does not set the <constant>V4L2_IN_CAP_DV_TIMINGS</constant> flag), then
&ENODATA; is returned.</para>
</refsect1>
<refsect1>
......@@ -70,6 +72,12 @@ standards.</para>
<constant>VIDIOC_S_DV_TIMINGS</constant> parameter was unsuitable.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video timings are not supported for this input or output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EBUSY</errorcode></term>
<listitem>
......@@ -320,7 +328,4 @@ detected or used depends on the hardware.
</tgroup>
</table>
</refsect1>
<refsect1>
&return-value;
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml
浏览文件 @ 0588000e
......@@ -48,13 +48,6 @@
<refsect1>
<title>Description</title>
<note>
<title>Experimental</title>
<para>This is an <link linkend="experimental">experimental</link>
interface and may change in the future.</para>
</note>
<para>The <constant>VIDIOC_G_ENC_INDEX</constant> ioctl provides
meta data about a compressed video stream the same or another
application currently reads from the driver, which is useful for
......
Documentation/DocBook/media/v4l/vidioc-g-fmt.xml
浏览文件 @ 0588000e
......@@ -81,7 +81,7 @@ the application calls the <constant>VIDIOC_S_FMT</constant> ioctl
with a pointer to a <structname>v4l2_format</structname> structure
the driver checks
and adjusts the parameters against hardware abilities. Drivers
should not return an error code unless the input is ambiguous, this is
should not return an error code unless the <structfield>type</structfield> field is invalid, this is
a mechanism to fathom device capabilities and to approach parameters
acceptable for both the application and driver. On success the driver
may program the hardware, allocate resources and generally prepare for
......@@ -107,6 +107,10 @@ disabling I/O or possibly time consuming hardware preparations.
Although strongly recommended drivers are not required to implement
this ioctl.</para>
<para>The format as returned by <constant>VIDIOC_TRY_FMT</constant>
must be identical to what <constant>VIDIOC_S_FMT</constant> returns for
the same input or output.</para>
<table pgwide="1" frame="none" id="v4l2-format">
<title>struct <structname>v4l2_format</structname></title>
<tgroup cols="4">
......@@ -170,9 +174,7 @@ capture and output devices.</entry>
<entry></entry>
<entry>__u8</entry>
<entry><structfield>raw_data</structfield>[200]</entry>
<entry>Place holder for future extensions and custom
(driver defined) formats with <structfield>type</structfield>
<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher.</entry>
<entry>Place holder for future extensions.</entry>
</row>
</tbody>
</tgroup>
......@@ -187,8 +189,7 @@ capture and output devices.</entry>
<term><errorcode>EINVAL</errorcode></term>
<listitem>
<para>The &v4l2-format; <structfield>type</structfield>
field is invalid, the requested buffer type not supported, or the
format is not supported with this buffer type.</para>
field is invalid or the requested buffer type not supported.</para>
</listitem>
</varlistentry>
</variablelist>
......
Documentation/DocBook/media/v4l/vidioc-g-parm.xml
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......@@ -108,9 +108,7 @@ devices.</para>
<entry></entry>
<entry>__u8</entry>
<entry><structfield>raw_data</structfield>[200]</entry>
<entry>A place holder for future extensions and custom
(driver defined) buffer types <constant>V4L2_BUF_TYPE_PRIVATE</constant> and
higher.</entry>
<entry>A place holder for future extensions.</entry>
</row>
</tbody>
</tgroup>
......
Documentation/DocBook/media/v4l/vidioc-g-selection.xml
浏览文件 @ 0588000e
......@@ -152,12 +152,10 @@ satisfactory parameters have been negotiated. If constraints flags have to be
violated at then ERANGE is returned. The error indicates that <emphasis> there
exist no rectangle </emphasis> that satisfies the constraints.</para>
</refsect1>
<para>Selection targets and flags are documented in <xref
linkend="v4l2-selections-common"/>.</para>
<section>
<para>
<figure id="sel-const-adjust">
<title>Size adjustments with constraint flags.</title>
<mediaobject>
......@@ -170,9 +168,9 @@ exist no rectangle </emphasis> that satisfies the constraints.</para>
</textobject>
</mediaobject>
</figure>
</section>
</para>
<refsect1>
<para>
<table pgwide="1" frame="none" id="v4l2-selection">
<title>struct <structname>v4l2_selection</structname></title>
<tgroup cols="3">
......@@ -208,6 +206,7 @@ exist no rectangle </emphasis> that satisfies the constraints.</para>
</tbody>
</tgroup>
</table>
</para>
</refsect1>
<refsect1>
......
Documentation/DocBook/media/v4l/vidioc-g-std.xml
浏览文件 @ 0588000e
......@@ -72,7 +72,9 @@ flags, being a write-only ioctl it does not return the actual new standard as
the current input does not support the requested standard the driver
returns an &EINVAL;. When the standard set is ambiguous drivers may
return <errorcode>EINVAL</errorcode> or choose any of the requested
standards.</para>
standards. If the current input or output does not support standard video timings (e.g. if
&VIDIOC-ENUMINPUT; does not set the <constant>V4L2_IN_CAP_STD</constant> flag), then
&ENODATA; is returned.</para>
</refsect1>
<refsect1>
......@@ -85,6 +87,12 @@ standards.</para>
<para>The <constant>VIDIOC_S_STD</constant> parameter was unsuitable.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Standard video timings are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-g-tuner.xml
浏览文件 @ 0588000e
......@@ -354,6 +354,12 @@ radio tuners.</entry>
<entry>The &VIDIOC-ENUM-FREQ-BANDS; ioctl can be used to enumerate
the available frequency bands.</entry>
</row>
<row>
<entry><constant>V4L2_TUNER_CAP_HWSEEK_PROG_LIM</constant></entry>
<entry>0x0800</entry>
<entry>The range to search when using the hardware seek functionality
is programmable, see &VIDIOC-S-HW-FREQ-SEEK; for details.</entry>
</row>
</tbody>
</tgroup>
</table>
......
Documentation/DocBook/media/v4l/vidioc-qbuf.xml
浏览文件 @ 0588000e
......@@ -121,8 +121,7 @@ remaining fields or returns an error code. The driver may also set
field. It indicates a non-critical (recoverable) streaming error. In such case
the application may continue as normal, but should be aware that data in the
dequeued buffer might be corrupted. When using the multi-planar API, the
planes array does not have to be passed; the <structfield>m.planes</structfield>
member must be set to NULL in that case.</para>
planes array must be passed in as well.</para>
<para>By default <constant>VIDIOC_DQBUF</constant> blocks when no
buffer is in the outgoing queue. When the
......@@ -155,6 +154,8 @@ or no buffers have been allocated yet, or the
<structfield>userptr</structfield> or
<structfield>length</structfield> are invalid.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EIO</errorcode></term>
<listitem>
<para><constant>VIDIOC_DQBUF</constant> failed due to an
......
Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml
浏览文件 @ 0588000e
......@@ -65,5 +65,14 @@ returned.</para>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video presets are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-query-dv-timings.xml
浏览文件 @ 0588000e
......@@ -77,6 +77,12 @@ capabilities in order to give more precise feedback to the user.
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Digital video timings are not supported for this input or output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENOLINK</errorcode></term>
<listitem>
......
Documentation/DocBook/media/v4l/vidioc-querybuf.xml
浏览文件 @ 0588000e
......@@ -48,8 +48,8 @@
<refsect1>
<title>Description</title>
<para>This ioctl is part of the <link linkend="mmap">memory
mapping</link> I/O method. It can be used to query the status of a
<para>This ioctl is part of the <link linkend="mmap">streaming
</link> I/O method. It can be used to query the status of a
buffer at any time after buffers have been allocated with the
&VIDIOC-REQBUFS; ioctl.</para>
......@@ -71,6 +71,7 @@ the structure.</para>
<para>In the <structfield>flags</structfield> field the
<constant>V4L2_BUF_FLAG_MAPPED</constant>,
<constant>V4L2_BUF_FLAG_PREPARED</constant>,
<constant>V4L2_BUF_FLAG_QUEUED</constant> and
<constant>V4L2_BUF_FLAG_DONE</constant> flags will be valid. The
<structfield>memory</structfield> field will be set to the current
......@@ -79,8 +80,10 @@ contains the offset of the buffer from the start of the device memory,
the <structfield>length</structfield> field its size. For the multi-planar API,
fields <structfield>m.mem_offset</structfield> and
<structfield>length</structfield> in the <structfield>m.planes</structfield>
array elements will be used instead. The driver may or may not set the remaining
fields and flags, they are meaningless in this context.</para>
array elements will be used instead and the <structfield>length</structfield>
field of &v4l2-buffer; is set to the number of filled-in array elements.
The driver may or may not set the remaining fields and flags, they are
meaningless in this context.</para>
<para>The <structname>v4l2_buffer</structname> structure is
specified in <xref linkend="buffer" />.</para>
......
Documentation/DocBook/media/v4l/vidioc-querycap.xml
浏览文件 @ 0588000e
......@@ -90,11 +90,13 @@ ambiguities.</entry>
<entry>__u8</entry>
<entry><structfield>bus_info</structfield>[32]</entry>
<entry>Location of the device in the system, a
NUL-terminated ASCII string. For example: "PCI Slot 4". This
NUL-terminated ASCII string. For example: "PCI:0000:05:06.0". This
information is intended for users, to distinguish multiple
identical devices. If no such information is available the field may
simply count the devices controlled by the driver, or contain the
empty string (<structfield>bus_info</structfield>[0] = 0).<!-- XXX pci_dev->slot_name example --></entry>
identical devices. If no such information is available the field must
simply count the devices controlled by the driver ("platform:vivi-000").
The bus_info must start with "PCI:" for PCI boards, "PCIe:" for PCI Express boards,
"usb-" for USB devices, "I2C:" for i2c devices, "ISA:" for ISA devices,
"parport" for parallel port devices and "platform:" for platform devices.</entry>
</row>
<row>
<entry>__u32</entry>
......
Documentation/DocBook/media/v4l/vidioc-querystd.xml
浏览文件 @ 0588000e
......@@ -62,5 +62,13 @@ current video input or output.</para>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>Standard video timings are not supported for this input or output.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-reqbufs.xml
浏览文件 @ 0588000e
......@@ -109,9 +109,8 @@ as the &v4l2-format; <structfield>type</structfield> field. See <xref
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield>[2]</entry>
<entry>A place holder for future extensions and custom
(driver defined) buffer types <constant>V4L2_BUF_TYPE_PRIVATE</constant> and
higher. This array should be zeroed by applications.</entry>
<entry>A place holder for future extensions. This array should
be zeroed by applications.</entry>
</row>
</tbody>
</tgroup>
......
Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml
浏览文件 @ 0588000e
......@@ -75,6 +75,9 @@ seek is started.</para>
<para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para>
<para>If this ioctl is called from a non-blocking filehandle, then &EAGAIN; is
returned and no seek takes place.</para>
<table pgwide="1" frame="none" id="v4l2-hw-freq-seek">
<title>struct <structname>v4l2_hw_freq_seek</structname></title>
<tgroup cols="3">
......@@ -157,6 +160,13 @@ one of the values in the <structfield>type</structfield>,
fields is wrong.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>EAGAIN</errorcode></term>
<listitem>
<para>Attempted to call <constant>VIDIOC_S_HW_FREQ_SEEK</constant>
with the filehandle in non-blocking mode.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
......
Documentation/DocBook/media/v4l/vidioc-streamon.xml
浏览文件 @ 0588000e
......@@ -74,7 +74,12 @@ not transmitted yet. I/O returns to the same state as after calling
stream type. This is the same as &v4l2-requestbuffers;
<structfield>type</structfield>.</para>
<para>Note applications can be preempted for unknown periods right
<para>If <constant>VIDIOC_STREAMON</constant> is called when streaming
is already in progress, or if <constant>VIDIOC_STREAMOFF</constant> is called
when streaming is already stopped, then the ioctl does nothing and 0 is
returned.</para>
<para>Note that applications can be preempted for unknown periods right
before or after the <constant>VIDIOC_STREAMON</constant> or
<constant>VIDIOC_STREAMOFF</constant> calls, there is no notion of
starting or stopping "now". Buffer timestamps can be used to
......
Documentation/DocBook/media/v4l/vidioc-subdev-g-edid.xml 0 → 100644
浏览文件 @ 0588000e
<refentry id="vidioc-subdev-g-edid">
<refmeta>
<refentrytitle>ioctl VIDIOC_SUBDEV_G_EDID, VIDIOC_SUBDEV_S_EDID</refentrytitle>
&manvol;
</refmeta>
<refnamediv>
<refname>VIDIOC_SUBDEV_G_EDID</refname>
<refname>VIDIOC_SUBDEV_S_EDID</refname>
<refpurpose>Get or set the EDID of a video receiver/transmitter</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>ioctl</function></funcdef>
<paramdef>int <parameter>fd</parameter></paramdef>
<paramdef>int <parameter>request</parameter></paramdef>
<paramdef>struct v4l2_subdev_edid *<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>ioctl</function></funcdef>
<paramdef>int <parameter>fd</parameter></paramdef>
<paramdef>int <parameter>request</parameter></paramdef>
<paramdef>const struct v4l2_subdev_edid *<parameter>argp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term><parameter>fd</parameter></term>
<listitem>
<para>&fd;</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>request</parameter></term>
<listitem>
<para>VIDIOC_SUBDEV_G_EDID, VIDIOC_SUBDEV_S_EDID</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>argp</parameter></term>
<listitem>
<para></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Description</title>
<para>These ioctls can be used to get or set an EDID associated with an input pad
from a receiver or an output pad of a transmitter subdevice.</para>
<para>To get the EDID data the application has to fill in the <structfield>pad</structfield>,
<structfield>start_block</structfield>, <structfield>blocks</structfield> and <structfield>edid</structfield>
fields and call <constant>VIDIOC_SUBDEV_G_EDID</constant>. The current EDID from block
<structfield>start_block</structfield> and of size <structfield>blocks</structfield>
will be placed in the memory <structfield>edid</structfield> points to. The <structfield>edid</structfield>
pointer must point to memory at least <structfield>blocks</structfield>&nbsp;*&nbsp;128 bytes
large (the size of one block is 128 bytes).</para>
<para>If there are fewer blocks than specified, then the driver will set <structfield>blocks</structfield>
to the actual number of blocks. If there are no EDID blocks available at all, then the error code
ENODATA is set.</para>
<para>If blocks have to be retrieved from the sink, then this call will block until they
have been read.</para>
<para>To set the EDID blocks of a receiver the application has to fill in the <structfield>pad</structfield>,
<structfield>blocks</structfield> and <structfield>edid</structfield> fields and set
<structfield>start_block</structfield> to 0. It is not possible to set part of an EDID,
it is always all or nothing. Setting the EDID data is only valid for receivers as it makes
no sense for a transmitter.</para>
<para>The driver assumes that the full EDID is passed in. If there are more EDID blocks than
the hardware can handle then the EDID is not written, but instead the error code E2BIG is set
and <structfield>blocks</structfield> is set to the maximum that the hardware supports.
If <structfield>start_block</structfield> is any
value other than 0 then the error code EINVAL is set.</para>
<para>To disable an EDID you set <structfield>blocks</structfield> to 0. Depending on the
hardware this will drive the hotplug pin low and/or block the source from reading the EDID
data in some way. In any case, the end result is the same: the EDID is no longer available.
</para>
<table pgwide="1" frame="none" id="v4l2-subdev-edid">
<title>struct <structname>v4l2_subdev_edid</structname></title>
<tgroup cols="3">
&cs-str;
<tbody valign="top">
<row>
<entry>__u32</entry>
<entry><structfield>pad</structfield></entry>
<entry>Pad for which to get/set the EDID blocks.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>start_block</structfield></entry>
<entry>Read the EDID from starting with this block. Must be 0 when setting
the EDID.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>blocks</structfield></entry>
<entry>The number of blocks to get or set. Must be less or equal to 256 (the
maximum number of blocks as defined by the standard). When you set the EDID and
<structfield>blocks</structfield> is 0, then the EDID is disabled or erased.</entry>
</row>
<row>
<entry>__u8&nbsp;*</entry>
<entry><structfield>edid</structfield></entry>
<entry>Pointer to memory that contains the EDID. The minimum size is
<structfield>blocks</structfield>&nbsp;*&nbsp;128.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield>[5]</entry>
<entry>Reserved for future extensions. Applications and drivers must
set the array to zero.</entry>
</row>
</tbody>
</tgroup>
</table>
</refsect1>
<refsect1>
&return-value;
<variablelist>
<varlistentry>
<term><errorcode>ENODATA</errorcode></term>
<listitem>
<para>The EDID data is not available.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><errorcode>E2BIG</errorcode></term>
<listitem>
<para>The EDID data you provided is more than the hardware can handle.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
</refentry>
Documentation/DocBook/media/v4l/vidioc-subdev-g-selection.xml
浏览文件 @ 0588000e
......@@ -69,23 +69,22 @@
more information on how each selection target affects the image
processing pipeline inside the subdevice.</para>
<section>
<refsect2>
<title>Types of selection targets</title>
<para>There are two types of selection targets: actual and bounds. The
actual targets are the targets which configure the hardware. The BOUNDS
target will return a rectangle that contain all possible actual
rectangles.</para>
</section>
</refsect2>
<section>
<refsect2>
<title>Discovering supported features</title>
<para>To discover which targets are supported, the user can
perform <constant>VIDIOC_SUBDEV_G_SELECTION</constant> on them.
Any unsupported target will return
<constant>EINVAL</constant>.</para>
</section>
<para>Selection targets and flags are documented in <xref
linkend="v4l2-selections-common"/>.</para>
......@@ -132,6 +131,7 @@
</tbody>
</tgroup>
</table>
</refsect2>
</refsect1>
......
Documentation/DocBook/media_api.tmpl
浏览文件 @ 0588000e
......@@ -29,7 +29,7 @@
<title>LINUX MEDIA INFRASTRUCTURE API</title>
<copyright>
<year>2009-2011</year>
<year>2009-2012</year>
<holder>LinuxTV Developers</holder>
</copyright>
......@@ -53,7 +53,7 @@ Foundation. A copy of the license is included in the chapter entitled
video and radio straming devices, including video cameras,
analog and digital TV receiver cards, AM/FM receiver cards,
streaming capture devices.</para>
<para>It is divided into three parts.</para>
<para>It is divided into four parts.</para>
<para>The first part covers radio, capture,
cameras and analog TV devices.</para>
<para>The second part covers the
......@@ -62,7 +62,8 @@ Foundation. A copy of the license is included in the chapter entitled
in fact it covers several different video standards including
DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated
to documment support also for DVB-S2, ISDB-T and ISDB-S.</para>
<para>The third part covers Remote Controller API</para>
<para>The third part covers the Remote Controller API.</para>
<para>The fourth part covers the Media Controller API.</para>
<para>For additional information and for the latest development code,
see: <ulink url="http://linuxtv.org">http://linuxtv.org</ulink>.</para>
<para>For discussing improvements, reporting troubles, sending new drivers, etc, please mail to: <ulink url="http://vger.kernel.org/vger-lists.html#linux-media">Linux Media Mailing List (LMML).</ulink>.</para>
......@@ -87,7 +88,7 @@ Foundation. A copy of the license is included in the chapter entitled
</author>
</authorgroup>
<copyright>
<year>2009-2011</year>
<year>2009-2012</year>
<holder>Mauro Carvalho Chehab</holder>
</copyright>
......
Documentation/DocBook/mtdnand.tmpl
浏览文件 @ 0588000e
......@@ -1216,8 +1216,6 @@ in this page</entry>
#define NAND_BBT_LASTBLOCK 0x00000010
/* The bbt is at the given page, else we must scan for the bbt */
#define NAND_BBT_ABSPAGE 0x00000020
/* The bbt is at the given page, else we must scan for the bbt */
#define NAND_BBT_SEARCH 0x00000040
/* bbt is stored per chip on multichip devices */
#define NAND_BBT_PERCHIP 0x00000080
/* bbt has a version counter at offset veroffs */
......
Documentation/DocBook/networking.tmpl
浏览文件 @ 0588000e
......@@ -56,7 +56,7 @@
!Enet/core/filter.c
</sect1>
<sect1><title>Generic Network Statistics</title>
!Iinclude/linux/gen_stats.h
!Iinclude/uapi/linux/gen_stats.h
!Enet/core/gen_stats.c
!Enet/core/gen_estimator.c
</sect1>
......@@ -80,7 +80,7 @@
!Enet/wimax/op-rfkill.c
!Enet/wimax/stack.c
!Iinclude/net/wimax.h
!Iinclude/linux/wimax.h
!Iinclude/uapi/linux/wimax.h
</sect1>
</chapter>
......
Documentation/IPMI.txt
浏览文件 @ 0588000e
......@@ -42,13 +42,7 @@ The driver interface depends on your hardware. If your system
properly provides the SMBIOS info for IPMI, the driver will detect it
and just work. If you have a board with a standard interface (These
will generally be either "KCS", "SMIC", or "BT", consult your hardware
manual), choose the 'IPMI SI handler' option. A driver also exists
for direct I2C access to the IPMI management controller. Some boards
support this, but it is unknown if it will work on every board. For
this, choose 'IPMI SMBus handler', but be ready to try to do some
figuring to see if it will work on your system if the SMBIOS/APCI
information is wrong or not present. It is fairly safe to have both
these enabled and let the drivers auto-detect what is present.
manual), choose the 'IPMI SI handler' option.
You should generally enable ACPI on your system, as systems with IPMI
can have ACPI tables describing them.
......@@ -58,8 +52,7 @@ their job correctly, the IPMI controller should be automatically
detected (via ACPI or SMBIOS tables) and should just work. Sadly,
many boards do not have this information. The driver attempts
standard defaults, but they may not work. If you fall into this
situation, you need to read the section below named 'The SI Driver' or
"The SMBus Driver" on how to hand-configure your system.
situation, you need to read the section below named 'The SI Driver'.
IPMI defines a standard watchdog timer. You can enable this with the
'IPMI Watchdog Timer' config option. If you compile the driver into
......@@ -104,12 +97,7 @@ driver, each open file for this device ties in to the message handler
as an IPMI user.
ipmi_si - A driver for various system interfaces. This supports KCS,
SMIC, and BT interfaces. Unless you have an SMBus interface or your
own custom interface, you probably need to use this.
ipmi_smb - A driver for accessing BMCs on the SMBus. It uses the
I2C kernel driver's SMBus interfaces to send and receive IPMI messages
over the SMBus.
SMIC, and BT interfaces.
ipmi_watchdog - IPMI requires systems to have a very capable watchdog
timer. This driver implements the standard Linux watchdog timer
......@@ -482,53 +470,6 @@ for specifying an interface. Note that when removing an interface,
only the first three parameters (si type, address type, and address)
are used for the comparison. Any options are ignored for removing.
The SMBus Driver
----------------
The SMBus driver allows up to 4 SMBus devices to be configured in the
system. By default, the driver will register any SMBus interfaces it finds
in the I2C address range of 0x20 to 0x4f on any adapter. You can change this
at module load time (for a module) with:
modprobe ipmi_smb.o
addr=<adapter1>,<i2caddr1>[,<adapter2>,<i2caddr2>[,...]]
dbg=<flags1>,<flags2>...
[defaultprobe=1] [dbg_probe=1]
The addresses are specified in pairs, the first is the adapter ID and the
second is the I2C address on that adapter.
The debug flags are bit flags for each BMC found, they are:
IPMI messages: 1, driver state: 2, timing: 4, I2C probe: 8
Setting smb_defaultprobe to zero disabled the default probing of SMBus
interfaces at address range 0x20 to 0x4f. This means that only the
BMCs specified on the smb_addr line will be detected.
Setting smb_dbg_probe to 1 will enable debugging of the probing and
detection process for BMCs on the SMBusses.
Discovering the IPMI compliant BMC on the SMBus can cause devices
on the I2C bus to fail. The SMBus driver writes a "Get Device ID" IPMI
message as a block write to the I2C bus and waits for a response.
This action can be detrimental to some I2C devices. It is highly recommended
that the known I2c address be given to the SMBus driver in the smb_addr
parameter. The default address range will not be used when a smb_addr
parameter is provided.
When compiled into the kernel, the addresses can be specified on the
kernel command line as:
ipmb_smb.addr=<adapter1>,<i2caddr1>[,<adapter2>,<i2caddr2>[,...]]
ipmi_smb.dbg=<flags1>,<flags2>...
ipmi_smb.defaultprobe=0 ipmi_smb.dbg_probe=1
These are the same options as on the module command line.
Note that you might need some I2C changes if CONFIG_IPMI_PANIC_EVENT
is enabled along with this, so the I2C driver knows to run to
completion during sending a panic event.
Other Pieces
------------
......
Documentation/aoe/aoe.txt
浏览文件 @ 0588000e
The EtherDrive (R) HOWTO for users of 2.6 kernels is found at ...
ATA over Ethernet is a network protocol that provides simple access to
block storage on the LAN.
http://www.coraid.com/SUPPORT/EtherDrive-HBA
http://support.coraid.com/documents/AoEr11.txt
It has many tips and hints!
The EtherDrive (R) HOWTO for 2.6 and 3.x kernels is found at ...
http://support.coraid.com/support/linux/EtherDrive-2.6-HOWTO.html
It has many tips and hints! Please see, especially, recommended
tunings for virtual memory:
http://support.coraid.com/support/linux/EtherDrive-2.6-HOWTO-5.html#ss5.19
The aoetools are userland programs that are designed to work with this
driver. The aoetools are on sourceforge.
......@@ -23,20 +31,12 @@ CREATING DEVICE NODES
There is a udev-install.sh script that shows how to install these
rules on your system.
If you are not using udev, two scripts are provided in
Documentation/aoe as examples of static device node creation for
using the aoe driver.
rm -rf /dev/etherd
sh Documentation/aoe/mkdevs.sh /dev/etherd
... or to make just one shelf's worth of block device nodes ...
sh Documentation/aoe/mkshelf.sh /dev/etherd 0
There is also an autoload script that shows how to edit
/etc/modprobe.d/aoe.conf to ensure that the aoe module is loaded when
necessary.
necessary. Preloading the aoe module is preferable to autoloading,
however, because AoE discovery takes a few seconds. It can be
confusing when an AoE device is not present the first time the a
command is run but appears a second later.
USING DEVICE NODES
......@@ -51,9 +51,9 @@ USING DEVICE NODES
"echo > /dev/etherd/discover" tells the driver to find out what AoE
devices are available.
These character devices may disappear and be replaced by sysfs
counterparts. Using the commands in aoetools insulates users from
these implementation details.
In the future these character devices may disappear and be replaced
by sysfs counterparts. Using the commands in aoetools insulates
users from these implementation details.
The block devices are named like this:
......@@ -76,8 +76,8 @@ USING SYSFS
The netif attribute is the network interface on the localhost
through which we are communicating with the remote AoE device.
There is a script in this directory that formats this information
in a convenient way. Users with aoetools can use the aoe-stat
There is a script in this directory that formats this information in
a convenient way. Users with aoetools should use the aoe-stat
command.
root@makki root# sh Documentation/aoe/status.sh
......@@ -121,3 +121,21 @@ DRIVER OPTIONS
usage example for the module parameter.
modprobe aoe_iflist="eth1 eth3"
The aoe_deadsecs module parameter determines the maximum number of
seconds that the driver will wait for an AoE device to provide a
response to an AoE command. After aoe_deadsecs seconds have
elapsed, the AoE device will be marked as "down".
The aoe_maxout module parameter has a default of 128. This is the
maximum number of unresponded packets that will be sent to an AoE
target at one time.
The aoe_dyndevs module parameter defaults to 1, meaning that the
driver will assign a block device minor number to a discovered AoE
target based on the order of its discovery. With dynamic minor
device numbers in use, a greater range of AoE shelf and slot
addresses can be supported. Users with udev will never have to
think about minor numbers. Using aoe_dyndevs=0 allows device nodes
to be pre-created using a static minor-number scheme with the
aoe-mkshelf script in the aoetools.
Documentation/aoe/mkdevs.sh 已删除 100644 → 0
浏览文件 @ 8b5869ad
#!/bin/sh
n_shelves=${n_shelves:-10}
n_partitions=${n_partitions:-16}
if test "$#" != "1"; then
echo "Usage: sh `basename $0` {dir}" 1>&2
echo " n_partitions=16 sh `basename $0` {dir}" 1>&2
exit 1
fi
dir=$1
MAJOR=152
echo "Creating AoE devnode files in $dir ..."
set -e
mkdir -p $dir
# (Status info is in sysfs. See status.sh.)
# rm -f $dir/stat
# mknod -m 0400 $dir/stat c $MAJOR 1
rm -f $dir/err
mknod -m 0400 $dir/err c $MAJOR 2
rm -f $dir/discover
mknod -m 0200 $dir/discover c $MAJOR 3
rm -f $dir/interfaces
mknod -m 0200 $dir/interfaces c $MAJOR 4
rm -f $dir/revalidate
mknod -m 0200 $dir/revalidate c $MAJOR 5
rm -f $dir/flush
mknod -m 0200 $dir/flush c $MAJOR 6
export n_partitions
mkshelf=`echo $0 | sed 's!mkdevs!mkshelf!'`
i=0
while test $i -lt $n_shelves; do
sh -xc "sh $mkshelf $dir $i"
i=`expr $i + 1`
done
Documentation/aoe/mkshelf.sh 已删除 100644 → 0
浏览文件 @ 8b5869ad
#! /bin/sh
if test "$#" != "2"; then
echo "Usage: sh `basename $0` {dir} {shelfaddress}" 1>&2
echo " n_partitions=16 sh `basename $0` {dir} {shelfaddress}" 1>&2
exit 1
fi
n_partitions=${n_partitions:-16}
dir=$1
shelf=$2
nslots=16
maxslot=`echo $nslots 1 - p | dc`
MAJOR=152
set -e
minor=`echo $nslots \* $shelf \* $n_partitions | bc`
endp=`echo $n_partitions - 1 | bc`
for slot in `seq 0 $maxslot`; do
for part in `seq 0 $endp`; do
name=e$shelf.$slot
test "$part" != "0" && name=${name}p$part
rm -f $dir/$name
mknod -m 0660 $dir/$name b $MAJOR $minor
minor=`expr $minor + 1`
done
done
Documentation/aoe/status.sh
浏览文件 @ 0588000e
#! /bin/sh
# collate and present sysfs information about AoE storage
#
# A more complete version of this script is aoe-stat, in the
# aoetools.
set -e
format="%8s\t%8s\t%8s\n"
......
Documentation/arm/Booting
浏览文件 @ 0588000e
......@@ -154,13 +154,33 @@ In either case, the following conditions must be met:
- CPU mode
All forms of interrupts must be disabled (IRQs and FIQs)
The CPU must be in SVC mode. (A special exception exists for Angel)
For CPUs which do not include the ARM virtualization extensions, the
CPU must be in SVC mode. (A special exception exists for Angel)
CPUs which include support for the virtualization extensions can be
entered in HYP mode in order to enable the kernel to make full use of
these extensions. This is the recommended boot method for such CPUs,
unless the virtualisations are already in use by a pre-installed
hypervisor.
If the kernel is not entered in HYP mode for any reason, it must be
entered in SVC mode.
- Caches, MMUs
The MMU must be off.
Instruction cache may be on or off.
Data cache must be off.
If the kernel is entered in HYP mode, the above requirements apply to
the HYP mode configuration in addition to the ordinary PL1 (privileged
kernel modes) configuration. In addition, all traps into the
hypervisor must be disabled, and PL1 access must be granted for all
peripherals and CPU resources for which this is architecturally
possible. Except for entering in HYP mode, the system configuration
should be such that a kernel which does not include support for the
virtualization extensions can boot correctly without extra help.
- The boot loader is expected to call the kernel image by jumping
directly to the first instruction of the kernel image.
......
Documentation/block/biodoc.txt
浏览文件 @ 0588000e
......@@ -465,7 +465,6 @@ struct bio {
bio_end_io_t *bi_end_io; /* bi_end_io (bio) */
atomic_t bi_cnt; /* pin count: free when it hits zero */
void *bi_private;
bio_destructor_t *bi_destructor; /* bi_destructor (bio) */
};
With this multipage bio design:
......@@ -647,10 +646,6 @@ for a non-clone bio. There are the 6 pools setup for different size biovecs,
so bio_alloc(gfp_mask, nr_iovecs) will allocate a vec_list of the
given size from these slabs.
The bi_destructor() routine takes into account the possibility of the bio
having originated from a different source (see later discussions on
n/w to block transfers and kvec_cb)
The bio_get() routine may be used to hold an extra reference on a bio prior
to i/o submission, if the bio fields are likely to be accessed after the
i/o is issued (since the bio may otherwise get freed in case i/o completion
......
Documentation/cgroups/memory.txt
浏览文件 @ 0588000e
此差异已折叠。
Documentation/crypto/asymmetric-keys.txt 0 → 100644
浏览文件 @ 0588000e
此差异已折叠。
Documentation/device-mapper/dm-raid.txt
浏览文件 @ 0588000e
......@@ -132,3 +132,12 @@ Here we can see the RAID type is raid4, there are 5 devices - all of
which are 'A'live, and the array is 2/490221568 complete with recovery.
Faulty or missing devices are marked 'D'. Devices that are out-of-sync
are marked 'a'.
Version History
---------------
1.0.0 Initial version. Support for RAID 4/5/6
1.1.0 Added support for RAID 1
1.2.0 Handle creation of arrays that contain failed devices.
1.3.0 Added support for RAID 10
1.3.1 Allow device replacement/rebuild for RAID 10
Documentation/devicetree/bindings/arm/arm-boards
浏览文件 @ 0588000e
ARM Integrator/AP (Application Platform) and Integrator/CP (Compact Platform)
-----------------------------------------------------------------------------
ARM's oldest Linux-supported platform with connectors for different core
tiles of ARMv4, ARMv5 and ARMv6 type.
Required properties (in root node):
compatible = "arm,integrator-ap"; /* Application Platform */
compatible = "arm,integrator-cp"; /* Compact Platform */
FPGA type interrupt controllers, see the versatile-fpga-irq binding doc.
ARM Versatile Application and Platform Baseboards
-------------------------------------------------
ARM's development hardware platform with connectors for customizable
......
Documentation/devicetree/bindings/arm/atmel-at91.txt
浏览文件 @ 0588000e
......@@ -8,7 +8,7 @@ PIT Timer required properties:
shared across all System Controller members.
TC/TCLIB Timer required properties:
- compatible: Should be "atmel,<chip>-pit".
- compatible: Should be "atmel,<chip>-tcb".
<chip> can be "at91rm9200" or "at91sam9x5"
- reg: Should contain registers location and length
- interrupts: Should contain all interrupts for the TC block
......
Documentation/devicetree/bindings/arm/davinci/nand.txt 0 → 100644
浏览文件 @ 0588000e
* Texas Instruments Davinci NAND
This file provides information, what the device node for the
davinci nand interface contain.
Required properties:
- compatible: "ti,davinci-nand";
- reg : contain 2 offset/length values:
- offset and length for the access window
- offset and length for accessing the aemif control registers
- ti,davinci-chipselect: Indicates on the davinci_nand driver which
chipselect is used for accessing the nand.
Recommended properties :
- ti,davinci-mask-ale: mask for ale
- ti,davinci-mask-cle: mask for cle
- ti,davinci-mask-chipsel: mask for chipselect
- ti,davinci-ecc-mode: ECC mode valid values for davinci driver:
- "none"
- "soft"
- "hw"
- ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4.
- ti,davinci-nand-buswidth: buswidth 8 or 16
- ti,davinci-nand-use-bbt: use flash based bad block table support.
Example (enbw_cmc board):
aemif@60000000 {
compatible = "ti,davinci-aemif";
#address-cells = <2>;
#size-cells = <1>;
reg = <0x68000000 0x80000>;
ranges = <2 0 0x60000000 0x02000000
3 0 0x62000000 0x02000000
4 0 0x64000000 0x02000000
5 0 0x66000000 0x02000000
6 0 0x68000000 0x02000000>;
nand@3,0 {
compatible = "ti,davinci-nand";
reg = <3 0x0 0x807ff
6 0x0 0x8000>;
#address-cells = <1>;
#size-cells = <1>;
ti,davinci-chipselect = <1>;
ti,davinci-mask-ale = <0>;
ti,davinci-mask-cle = <0>;
ti,davinci-mask-chipsel = <0>;
ti,davinci-ecc-mode = "hw";
ti,davinci-ecc-bits = <4>;
ti,davinci-nand-use-bbt;
};
};
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* ARM Versatile FPGA interrupt controller
One or more FPGA IRQ controllers can be synthesized in an ARM reference board
such as the Integrator or Versatile family. The output of these different
controllers are OR:ed together and fed to the CPU tile's IRQ input. Each
instance can handle up to 32 interrupts.
Required properties:
- compatible: "arm,versatile-fpga-irq"
- interrupt-controller: Identifies the node as an interrupt controller
- #interrupt-cells: The number of cells to define the interrupts. Must be 1
as the FPGA IRQ controller has no configuration options for interrupt
sources. The cell is a u32 and defines the interrupt number.
- reg: The register bank for the FPGA interrupt controller.
- clear-mask: a u32 number representing the mask written to clear all IRQs
on the controller at boot for example.
- valid-mask: a u32 number representing a bit mask determining which of
the interrupts are valid. Unconnected/unused lines are set to 0, and
the system till not make it possible for devices to request these
interrupts.
Example:
pic: pic@14000000 {
compatible = "arm,versatile-fpga-irq";
#interrupt-cells = <1>;
interrupt-controller;
reg = <0x14000000 0x100>;
clear-mask = <0xffffffff>;
valid-mask = <0x003fffff>;
};
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* Xen hypervisor device tree bindings
Xen ARM virtual platforms shall have a top-level "hypervisor" node with
the following properties:
- compatible:
compatible = "xen,xen-<version>", "xen,xen";
where <version> is the version of the Xen ABI of the platform.
- reg: specifies the base physical address and size of a region in
memory where the grant table should be mapped to, using an
HYPERVISOR_memory_op hypercall. The memory region is large enough to map
the whole grant table (it is larger or equal to gnttab_max_grant_frames()).
- interrupts: the interrupt used by Xen to inject event notifications.
A GIC node is also required.
Example (assuming #address-cells = <2> and #size-cells = <2>):
hypervisor {
compatible = "xen,xen-4.3", "xen,xen";
reg = <0 0xb0000000 0 0x20000>;
interrupts = <1 15 0xf08>;
};
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Marvell Cryptographic Engines And Security Accelerator
Required properties:
- compatible : should be "marvell,orion-crypto"
- reg : base physical address of the engine and length of memory mapped
region, followed by base physical address of sram and its memory
length
- reg-names : "regs" , "sram";
- interrupts : interrupt number
Examples:
crypto@30000 {
compatible = "marvell,orion-crypto";
reg = <0x30000 0x10000>,
<0x4000000 0x800>;
reg-names = "regs" , "sram";
interrupts = <22>;
status = "okay";
};
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Bindings for fan connected to GPIO lines
Required properties:
- compatible : "gpio-fan"
- gpios: Specifies the pins that map to bits in the control value,
ordered MSB-->LSB.
- gpio-fan,speed-map: A mapping of possible fan RPM speeds and the
control value that should be set to achieve them. This array
must have the RPM values in ascending order.
Optional properties:
- alarm-gpios: This pin going active indicates something is wrong with
the fan, and a udev event will be fired.
Examples:
gpio_fan {
compatible = "gpio-fan";
gpios = <&gpio1 14 1
&gpio1 13 1>;
gpio-fan,speed-map = <0 0
3000 1
6000 2>;
alarm-gpios = <&gpio1 15 1>;
};
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......@@ -6,6 +6,7 @@ Required properties:
- interrupts: Should contain ERROR and DMA interrupts
- clock-frequency: Desired I2C bus clock frequency in Hz.
Only 100000Hz and 400000Hz modes are supported.
- fsl,i2c-dma-channel: APBX DMA channel for the I2C
Examples:
......@@ -16,4 +17,5 @@ i2c0: i2c@80058000 {
reg = <0x80058000 2000>;
interrupts = <111 68>;
clock-frequency = <100000>;
fsl,i2c-dma-channel = <6>;
};
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......@@ -7,7 +7,7 @@ as "armctrl" in the SoC documentation, hence naming of this binding.
Required properties:
- compatible : should be "brcm,bcm2835-armctrl-ic.txt"
- compatible : should be "brcm,bcm2835-armctrl-ic"
- reg : Specifies base physical address and size of the registers.
- interrupt-controller : Identifies the node as an interrupt controller
- #interrupt-cells : Specifies the number of cells needed to encode an
......
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arch/c6x/include/asm/processor.h
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arch/c6x/include/asm/syscalls.h
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arch/c6x/kernel/asm-offsets.c
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arch/c6x/kernel/entry.S
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arch/c6x/kernel/process.c
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arch/cris/Kconfig
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arch/cris/arch-v10/kernel/process.c
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arch/cris/arch-v32/kernel/process.c
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arch/cris/include/asm/Kbuild
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arch/cris/include/asm/elf.h
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arch/cris/include/asm/thread_info.h
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arch/cris/mm/fault.c
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arch/frv/include/asm/stat.h → arch/frv/include/uapi/asm/stat.h
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arch/frv/include/asm/swab.h → arch/frv/include/uapi/asm/swab.h
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arch/frv/kernel/pm.c
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arch/frv/kernel/setup.c
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arch/frv/kernel/signal.c
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arch/frv/mb93090-mb00/pci-irq.c
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arch/h8300/Kconfig
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arch/h8300/include/asm/Kbuild
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arch/h8300/include/asm/elf.h
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arch/h8300/kernel/process.c
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arch/h8300/kernel/signal.c
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arch/h8300/kernel/sys_h8300.c
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arch/h8300/kernel/timer/itu.c
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arch/h8300/kernel/timer/timer8.c
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arch/h8300/kernel/timer/tpu.c
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arch/h8300/platform/h8300h/irq.c
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arch/h8300/platform/h8s/irq.c
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arch/hexagon/Kconfig
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arch/hexagon/include/asm/atomic.h
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arch/hexagon/include/asm/barrier.h
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arch/hexagon/include/asm/bitops.h
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arch/hexagon/include/asm/cache.h
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arch/hexagon/include/asm/checksum.h
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arch/hexagon/include/asm/cmpxchg.h
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arch/hexagon/include/asm/delay.h
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arch/hexagon/include/asm/dma.h
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arch/hexagon/include/asm/elf.h
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arch/hexagon/include/asm/exec.h
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arch/hexagon/include/asm/fixmap.h
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arch/hexagon/include/asm/io.h
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arch/hexagon/include/asm/irq.h
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arch/hexagon/include/asm/irqflags.h
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arch/hexagon/include/asm/kgdb.h
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arch/hexagon/include/asm/linkage.h
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arch/hexagon/include/asm/mmu.h
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arch/hexagon/include/asm/module.h
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arch/hexagon/include/asm/page.h
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arch/hexagon/include/asm/pgalloc.h
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arch/hexagon/include/asm/pgtable.h
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arch/hexagon/include/asm/ptrace.h 已删除 100644 → 0
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arch/hexagon/include/asm/registers.h 已删除 100644 → 0
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arch/hexagon/include/asm/setup.h 已删除 100644 → 0
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arch/hexagon/include/asm/sigcontext.h 已删除 100644 → 0
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arch/hexagon/include/asm/signal.h 已删除 100644 → 0
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arch/hexagon/include/asm/smp.h
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