提交 7e66eaf1 编写于 作者: D Dmitry Torokhov

Merge commit 'v3.1-rc4' into next

要显示的变更太多。

To preserve performance only 1000 of 1000+ files are displayed.
...@@ -45,6 +45,11 @@ modules.builtin ...@@ -45,6 +45,11 @@ modules.builtin
/Module.markers /Module.markers
/Module.symvers /Module.symvers
#
# Debian directory (make deb-pkg)
#
/debian/
# #
# git files that we don't want to ignore even it they are dot-files # git files that we don't want to ignore even it they are dot-files
# #
......
...@@ -73,8 +73,7 @@ Linas Vepstas <linas@austin.ibm.com> ...@@ -73,8 +73,7 @@ Linas Vepstas <linas@austin.ibm.com>
Mark Brown <broonie@sirena.org.uk> Mark Brown <broonie@sirena.org.uk>
Matthieu CASTET <castet.matthieu@free.fr> Matthieu CASTET <castet.matthieu@free.fr>
Mayuresh Janorkar <mayur@ti.com> Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <mb@bu3sch.de> Michael Buesch <m@bues.ch>
Michael Buesch <mbuesch@freenet.de>
Michel Dänzer <michel@tungstengraphics.com> Michel Dänzer <michel@tungstengraphics.com>
Mitesh shah <mshah@teja.com> Mitesh shah <mshah@teja.com>
Morten Welinder <terra@gnome.org> Morten Welinder <terra@gnome.org>
......
...@@ -504,7 +504,7 @@ N: Dominik Brodowski ...@@ -504,7 +504,7 @@ N: Dominik Brodowski
E: linux@brodo.de E: linux@brodo.de
W: http://www.brodo.de/ W: http://www.brodo.de/
P: 1024D/725B37C6 190F 3E77 9C89 3B6D BECD 46EE 67C3 0308 725B 37C6 P: 1024D/725B37C6 190F 3E77 9C89 3B6D BECD 46EE 67C3 0308 725B 37C6
D: parts of CPUFreq code, ACPI bugfixes D: parts of CPUFreq code, ACPI bugfixes, PCMCIA rewrite, cpufrequtils
S: Tuebingen, Germany S: Tuebingen, Germany
N: Andries Brouwer N: Andries Brouwer
...@@ -518,7 +518,7 @@ N: Zach Brown ...@@ -518,7 +518,7 @@ N: Zach Brown
E: zab@zabbo.net E: zab@zabbo.net
D: maestro pci sound D: maestro pci sound
M: David Brownell N: David Brownell
D: Kernel engineer, mentor, and friend. Maintained USB EHCI and D: Kernel engineer, mentor, and friend. Maintained USB EHCI and
D: gadget layers, SPI subsystem, GPIO subsystem, and more than a few D: gadget layers, SPI subsystem, GPIO subsystem, and more than a few
D: device drivers. His encouragement also helped many engineers get D: device drivers. His encouragement also helped many engineers get
...@@ -857,6 +857,10 @@ S: One Dell Way ...@@ -857,6 +857,10 @@ S: One Dell Way
S: Round Rock, TX 78682 S: Round Rock, TX 78682
S: USA S: USA
N: Mattia Dongili
E: malattia@gmail.com
D: cpufrequtils (precursor to cpupowerutils)
N: Ben Dooks N: Ben Dooks
E: ben-linux@fluff.org E: ben-linux@fluff.org
E: ben@simtec.co.uk E: ben@simtec.co.uk
...@@ -1883,6 +1887,11 @@ S: Kruislaan 419 ...@@ -1883,6 +1887,11 @@ S: Kruislaan 419
S: 1098 VA Amsterdam S: 1098 VA Amsterdam
S: The Netherlands S: The Netherlands
N: Goran Koruga
E: korugag@siol.net
D: cpufrequtils (precursor to cpupowerutils)
S: Slovenia
N: Jiri Kosina N: Jiri Kosina
E: jikos@jikos.cz E: jikos@jikos.cz
E: jkosina@suse.cz E: jkosina@suse.cz
...@@ -2916,6 +2925,12 @@ S: Schlossbergring 9 ...@@ -2916,6 +2925,12 @@ S: Schlossbergring 9
S: 79098 Freiburg S: 79098 Freiburg
S: Germany S: Germany
N: Thomas Renninger
E: trenn@suse.de
D: cpupowerutils
S: SUSE Linux GmbH
S: Germany
N: Joerg Reuter N: Joerg Reuter
E: jreuter@yaina.de E: jreuter@yaina.de
W: http://yaina.de/jreuter/ W: http://yaina.de/jreuter/
......
...@@ -272,6 +272,8 @@ printk-formats.txt ...@@ -272,6 +272,8 @@ printk-formats.txt
- how to get printk format specifiers right - how to get printk format specifiers right
prio_tree.txt prio_tree.txt
- info on radix-priority-search-tree use for indexing vmas. - info on radix-priority-search-tree use for indexing vmas.
ramoops.txt
- documentation of the ramoops oops/panic logging module.
rbtree.txt rbtree.txt
- info on what red-black trees are and what they are for. - info on what red-black trees are and what they are for.
robust-futex-ABI.txt robust-futex-ABI.txt
......
...@@ -14,7 +14,7 @@ Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's ...@@ -14,7 +14,7 @@ Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's
A much more powerful interface, /proc/<pid>/oom_score_adj, was A much more powerful interface, /proc/<pid>/oom_score_adj, was
introduced with the oom killer rewrite that allows users to increase or introduced with the oom killer rewrite that allows users to increase or
decrease the badness() score linearly. This interface will replace decrease the badness score linearly. This interface will replace
/proc/<pid>/oom_adj. /proc/<pid>/oom_adj.
A warning will be emitted to the kernel log if an application uses this A warning will be emitted to the kernel log if an application uses this
......
What: /dev/fw[0-9]+
Date: May 2007
KernelVersion: 2.6.22
Contact: linux1394-devel@lists.sourceforge.net
Description:
The character device files /dev/fw* are the interface between
firewire-core and IEEE 1394 device drivers implemented in
userspace. The ioctl(2)- and read(2)-based ABI is defined and
documented in <linux/firewire-cdev.h>.
This ABI offers most of the features which firewire-core also
exposes to kernelspace IEEE 1394 drivers.
Each /dev/fw* is associated with one IEEE 1394 node, which can
be remote or local nodes. Operations on a /dev/fw* file have
different scope:
- The 1394 node which is associated with the file:
- Asynchronous request transmission
- Get the Configuration ROM
- Query node ID
- Query maximum speed of the path between this node
and local node
- The 1394 bus (i.e. "card") to which the node is attached to:
- Isochronous stream transmission and reception
- Asynchronous stream transmission and reception
- Asynchronous broadcast request transmission
- PHY packet transmission and reception
- Allocate, reallocate, deallocate isochronous
resources (channels, bandwidth) at the bus's IRM
- Query node IDs of local node, root node, IRM, bus
manager
- Query cycle time
- Bus reset initiation, bus reset event reception
- All 1394 buses:
- Allocation of IEEE 1212 address ranges on the local
link layers, reception of inbound requests to such
an address range, asynchronous response transmission
to inbound requests
- Addition of descriptors or directories to the local
nodes' Configuration ROM
Due to the different scope of operations and in order to let
userland implement different access permission models, some
operations are restricted to /dev/fw* files that are associated
with a local node:
- Addition of descriptors or directories to the local
nodes' Configuration ROM
- PHY packet transmission and reception
A /dev/fw* file remains associated with one particular node
during its entire life time. Bus topology changes, and hence
node ID changes, are tracked by firewire-core. ABI users do not
need to be aware of topology.
The following file operations are supported:
open(2)
Currently the only useful flags are O_RDWR.
ioctl(2)
Initiate various actions. Some take immediate effect, others
are performed asynchronously while or after the ioctl returns.
See the inline documentation in <linux/firewire-cdev.h> for
descriptions of all ioctls.
poll(2), select(2), epoll_wait(2) etc.
Watch for events to become available to be read.
read(2)
Receive various events. There are solicited events like
outbound asynchronous transaction completion or isochronous
buffer completion, and unsolicited events such as bus resets,
request reception, or PHY packet reception. Always use a read
buffer which is large enough to receive the largest event that
could ever arrive. See <linux/firewire-cdev.h> for descriptions
of all event types and for which ioctls affect reception of
events.
mmap(2)
Allocate a DMA buffer for isochronous reception or transmission
and map it into the process address space. The arguments should
be used as follows: addr = NULL, length = the desired buffer
size, i.e. number of packets times size of largest packet,
prot = at least PROT_READ for reception and at least PROT_WRITE
for transmission, flags = MAP_SHARED, fd = the handle to the
/dev/fw*, offset = 0.
Isochronous reception works in packet-per-buffer fashion except
for multichannel reception which works in buffer-fill mode.
munmap(2)
Unmap the isochronous I/O buffer from the process address space.
close(2)
Besides stopping and freeing I/O contexts that were associated
with the file descriptor, back out any changes to the local
nodes' Configuration ROM. Deallocate isochronous channels and
bandwidth at the IRM that were marked for kernel-assisted
re- and deallocation.
Users: libraw1394
libdc1394
tools like jujuutils, fwhack, ...
What: /sys/bus/firewire/devices/fw[0-9]+/
Date: May 2007
KernelVersion: 2.6.22
Contact: linux1394-devel@lists.sourceforge.net
Description:
IEEE 1394 node device attributes.
Read-only. Mutable during the node device's lifetime.
See IEEE 1212 for semantic definitions.
config_rom
Contents of the Configuration ROM register.
Binary attribute; an array of host-endian u32.
guid
The node's EUI-64 in the bus information block of
Configuration ROM.
Hexadecimal string representation of an u64.
What: /sys/bus/firewire/devices/fw[0-9]+/units
Date: June 2009
KernelVersion: 2.6.31
Contact: linux1394-devel@lists.sourceforge.net
Description:
IEEE 1394 node device attribute.
Read-only. Mutable during the node device's lifetime.
See IEEE 1212 for semantic definitions.
units
Summary of all units present in an IEEE 1394 node.
Contains space-separated tuples of specifier_id and
version of each unit present in the node. Specifier_id
and version are hexadecimal string representations of
u24 of the respective unit directory entries.
Specifier_id and version within each tuple are separated
by a colon.
Users: udev rules to set ownership and access permissions or ACLs of
/dev/fw[0-9]+ character device files
What: /sys/bus/firewire/devices/fw[0-9]+[.][0-9]+/
Date: May 2007
KernelVersion: 2.6.22
Contact: linux1394-devel@lists.sourceforge.net
Description:
IEEE 1394 unit device attributes.
Read-only. Immutable during the unit device's lifetime.
See IEEE 1212 for semantic definitions.
modalias
Same as MODALIAS in the uevent at device creation.
rom_index
Offset of the unit directory within the parent device's
(node device's) Configuration ROM, in quadlets.
Decimal string representation.
What: /sys/bus/firewire/devices/*/
Date: May 2007
KernelVersion: 2.6.22
Contact: linux1394-devel@lists.sourceforge.net
Description:
Attributes common to IEEE 1394 node devices and unit devices.
Read-only. Mutable during the node device's lifetime.
Immutable during the unit device's lifetime.
See IEEE 1212 for semantic definitions.
These attributes are only created if the root directory of an
IEEE 1394 node or the unit directory of an IEEE 1394 unit
actually contains according entries.
hardware_version
Hexadecimal string representation of an u24.
hardware_version_name
Contents of a respective textual descriptor leaf.
model
Hexadecimal string representation of an u24.
model_name
Contents of a respective textual descriptor leaf.
specifier_id
Hexadecimal string representation of an u24.
Mandatory in unit directories according to IEEE 1212.
vendor
Hexadecimal string representation of an u24.
Mandatory in the root directory according to IEEE 1212.
vendor_name
Contents of a respective textual descriptor leaf.
version
Hexadecimal string representation of an u24.
Mandatory in unit directories according to IEEE 1212.
What: /sys/bus/firewire/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id
formerly
/sys/bus/ieee1394/drivers/sbp2/fw*/host*/target*/*:*:*:*/ieee1394_id
Date: Feb 2004
KernelVersion: 2.6.4
Contact: linux1394-devel@lists.sourceforge.net
Description:
SCSI target port identifier and logical unit identifier of a
logical unit of an SBP-2 target. The identifiers are specified
in SAM-2...SAM-4 annex A. They are persistent and world-wide
unique properties the SBP-2 attached target.
Read-only attribute, immutable during the target's lifetime.
Format, as exposed by firewire-sbp2 since 2.6.22, May 2007:
Colon-separated hexadecimal string representations of
u64 EUI-64 : u24 directory_ID : u16 LUN
without 0x prefixes, without whitespace. The former sbp2 driver
(removed in 2.6.37 after being superseded by firewire-sbp2) used
a somewhat shorter format which was not as close to SAM.
Users: udev rules to create /dev/disk/by-id/ symlinks
On some architectures, when the kernel loads any userspace program it
maps an ELF DSO into that program's address space. This DSO is called
the vDSO and it often contains useful and highly-optimized alternatives
to real syscalls.
These functions are called just like ordinary C function according to
your platform's ABI. Call them from a sensible context. (For example,
if you set CS on x86 to something strange, the vDSO functions are
within their rights to crash.) In addition, if you pass a bad
pointer to a vDSO function, you might get SIGSEGV instead of -EFAULT.
To find the DSO, parse the auxiliary vector passed to the program's
entry point. The AT_SYSINFO_EHDR entry will point to the vDSO.
The vDSO uses symbol versioning; whenever you request a symbol from the
vDSO, specify the version you are expecting.
Programs that dynamically link to glibc will use the vDSO automatically.
Otherwise, you can use the reference parser in Documentation/vDSO/parse_vdso.c.
Unless otherwise noted, the set of symbols with any given version and the
ABI of those symbols is considered stable. It may vary across architectures,
though.
(As of this writing, this ABI documentation as been confirmed for x86_64.
The maintainers of the other vDSO-using architectures should confirm
that it is correct for their architecture.)
\ No newline at end of file
...@@ -39,3 +39,9 @@ Description: Generic interface to platform dependent persistent storage. ...@@ -39,3 +39,9 @@ Description: Generic interface to platform dependent persistent storage.
multiple) files based on the record size of the underlying multiple) files based on the record size of the underlying
persistent storage until at least this amount is reached. persistent storage until at least this amount is reached.
Default is 10 Kbytes. Default is 10 Kbytes.
Pstore only supports one backend at a time. If multiple
backends are available, the preferred backend may be
set by passing the pstore.backend= argument to the kernel at
boot time.
What: /sys/bus/i2c/devices/.../device
Date: February 2011
Contact: Minkyu Kang <mk7.kang@samsung.com>
Description:
show what device is attached
NONE - no device
USB - USB device is attached
UART - UART is attached
CHARGER - Charger is attaced
JIG - JIG is attached
What: /sys/bus/i2c/devices/.../switch
Date: February 2011
Contact: Minkyu Kang <mk7.kang@samsung.com>
Description:
show or set the state of manual switch
VAUDIO - switch to VAUDIO path
UART - switch to UART path
AUDIO - switch to AUDIO path
DHOST - switch to DHOST path
AUTO - switch automatically by device
...@@ -92,6 +92,14 @@ Description: The mouse has a tracking- and a distance-control-unit. These ...@@ -92,6 +92,14 @@ Description: The mouse has a tracking- and a distance-control-unit. These
This file is writeonly. This file is writeonly.
Users: http://roccat.sourceforge.net Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/talk
Date: May 2011
Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
Description: Used to active some easy* functions of the mouse from outside.
The data has to be 16 bytes long.
This file is writeonly.
Users: http://roccat.sourceforge.net
What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/koneplus/roccatkoneplus<minor>/tcu
Date: October 2010 Date: October 2010
Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
......
What: /sys/bus/hid/drivers/wiimote/<dev>/led1
What: /sys/bus/hid/drivers/wiimote/<dev>/led2
What: /sys/bus/hid/drivers/wiimote/<dev>/led3
What: /sys/bus/hid/drivers/wiimote/<dev>/led4
Date: July 2011
KernelVersion: 3.1
Contact: David Herrmann <dh.herrmann@googlemail.com>
Description: Make it possible to set/get current led state. Reading from it
returns 0 if led is off and 1 if it is on. Writing 0 to it
disables the led, writing 1 enables it.
...@@ -10,3 +10,26 @@ KernelVersion: 2.6.35 ...@@ -10,3 +10,26 @@ KernelVersion: 2.6.35
Contact: masa-korg@dsn.okisemi.com Contact: masa-korg@dsn.okisemi.com
Description: Write/read Option ROM data. Description: Write/read Option ROM data.
What: /sys/module/ehci_hcd/drivers/.../uframe_periodic_max
Date: July 2011
KernelVersion: 3.1
Contact: Kirill Smelkov <kirr@mns.spb.ru>
Description: Maximum time allowed for periodic transfers per microframe (μs)
[ USB 2.0 sets maximum allowed time for periodic transfers per
microframe to be 80%, that is 100 microseconds out of 125
microseconds (full microframe).
However there are cases, when 80% max isochronous bandwidth is
too limiting. For example two video streams could require 110
microseconds of isochronous bandwidth per microframe to work
together. ]
Through this setting it is possible to raise the limit so that
the host controller would allow allocating more than 100
microseconds of periodic bandwidth per microframe.
Beware, non-standard modes are usually not thoroughly tested by
hardware designers, and the hardware can malfunction when this
setting differ from default 100.
...@@ -4,3 +4,20 @@ KernelVersion: 2.6.37 ...@@ -4,3 +4,20 @@ KernelVersion: 2.6.37
Contact: "Ike Panhc <ike.pan@canonical.com>" Contact: "Ike Panhc <ike.pan@canonical.com>"
Description: Description:
Control the power of camera module. 1 means on, 0 means off. Control the power of camera module. 1 means on, 0 means off.
What: /sys/devices/platform/ideapad/cfg
Date: Jun 2011
KernelVersion: 3.1
Contact: "Ike Panhc <ike.pan@canonical.com>"
Description:
Ideapad capability bits.
Bit 8-10: 1 - Intel graphic only
2 - ATI graphic only
3 - Nvidia graphic only
4 - Intel and ATI graphic
5 - Intel and Nvidia graphic
Bit 16: Bluetooth exist (1 for exist)
Bit 17: 3G exist (1 for exist)
Bit 18: Wifi exist (1 for exist)
Bit 19: Camera exist (1 for exist)
...@@ -2,13 +2,7 @@ Intro ...@@ -2,13 +2,7 @@ Intro
===== =====
This document is designed to provide a list of the minimum levels of This document is designed to provide a list of the minimum levels of
software necessary to run the 2.6 kernels, as well as provide brief software necessary to run the 3.0 kernels.
instructions regarding any other "Gotchas" users may encounter when
trying life on the Bleeding Edge. If upgrading from a pre-2.4.x
kernel, please consult the Changes file included with 2.4.x kernels for
additional information; most of that information will not be repeated
here. Basically, this document assumes that your system is already
functional and running at least 2.4.x kernels.
This document is originally based on my "Changes" file for 2.0.x kernels This document is originally based on my "Changes" file for 2.0.x kernels
and therefore owes credit to the same people as that file (Jared Mauch, and therefore owes credit to the same people as that file (Jared Mauch,
...@@ -22,11 +16,10 @@ Upgrade to at *least* these software revisions before thinking you've ...@@ -22,11 +16,10 @@ Upgrade to at *least* these software revisions before thinking you've
encountered a bug! If you're unsure what version you're currently encountered a bug! If you're unsure what version you're currently
running, the suggested command should tell you. running, the suggested command should tell you.
Again, keep in mind that this list assumes you are already Again, keep in mind that this list assumes you are already functionally
functionally running a Linux 2.4 kernel. Also, not all tools are running a Linux kernel. Also, not all tools are necessary on all
necessary on all systems; obviously, if you don't have any ISDN systems; obviously, if you don't have any ISDN hardware, for example,
hardware, for example, you probably needn't concern yourself with you probably needn't concern yourself with isdn4k-utils.
isdn4k-utils.
o Gnu C 3.2 # gcc --version o Gnu C 3.2 # gcc --version
o Gnu make 3.80 # make --version o Gnu make 3.80 # make --version
...@@ -114,12 +107,12 @@ Ksymoops ...@@ -114,12 +107,12 @@ Ksymoops
If the unthinkable happens and your kernel oopses, you may need the If the unthinkable happens and your kernel oopses, you may need the
ksymoops tool to decode it, but in most cases you don't. ksymoops tool to decode it, but in most cases you don't.
In the 2.6 kernel it is generally preferred to build the kernel with It is generally preferred to build the kernel with CONFIG_KALLSYMS so
CONFIG_KALLSYMS so that it produces readable dumps that can be used as-is that it produces readable dumps that can be used as-is (this also
(this also produces better output than ksymoops). produces better output than ksymoops). If for some reason your kernel
If for some reason your kernel is not build with CONFIG_KALLSYMS and is not build with CONFIG_KALLSYMS and you have no way to rebuild and
you have no way to rebuild and reproduce the Oops with that option, then reproduce the Oops with that option, then you can still decode that Oops
you can still decode that Oops with ksymoops. with ksymoops.
Module-Init-Tools Module-Init-Tools
----------------- -----------------
...@@ -261,8 +254,8 @@ needs to be recompiled or (preferably) upgraded. ...@@ -261,8 +254,8 @@ needs to be recompiled or (preferably) upgraded.
NFS-utils NFS-utils
--------- ---------
In 2.4 and earlier kernels, the nfs server needed to know about any In ancient (2.4 and earlier) kernels, the nfs server needed to know
client that expected to be able to access files via NFS. This about any client that expected to be able to access files via NFS. This
information would be given to the kernel by "mountd" when the client information would be given to the kernel by "mountd" when the client
mounted the filesystem, or by "exportfs" at system startup. exportfs mounted the filesystem, or by "exportfs" at system startup. exportfs
would take information about active clients from /var/lib/nfs/rmtab. would take information about active clients from /var/lib/nfs/rmtab.
...@@ -272,11 +265,11 @@ which is not always easy, particularly when trying to implement ...@@ -272,11 +265,11 @@ which is not always easy, particularly when trying to implement
fail-over. Even when the system is working well, rmtab suffers from fail-over. Even when the system is working well, rmtab suffers from
getting lots of old entries that never get removed. getting lots of old entries that never get removed.
With 2.6 we have the option of having the kernel tell mountd when it With modern kernels we have the option of having the kernel tell mountd
gets a request from an unknown host, and mountd can give appropriate when it gets a request from an unknown host, and mountd can give
export information to the kernel. This removes the dependency on appropriate export information to the kernel. This removes the
rmtab and means that the kernel only needs to know about currently dependency on rmtab and means that the kernel only needs to know about
active clients. currently active clients.
To enable this new functionality, you need to: To enable this new functionality, you need to:
......
...@@ -80,22 +80,13 @@ available tools. ...@@ -80,22 +80,13 @@ available tools.
The limit on the length of lines is 80 columns and this is a strongly The limit on the length of lines is 80 columns and this is a strongly
preferred limit. preferred limit.
Statements longer than 80 columns will be broken into sensible chunks. Statements longer than 80 columns will be broken into sensible chunks, unless
Descendants are always substantially shorter than the parent and are placed exceeding 80 columns significantly increases readability and does not hide
substantially to the right. The same applies to function headers with a long information. Descendants are always substantially shorter than the parent and
argument list. Long strings are as well broken into shorter strings. The are placed substantially to the right. The same applies to function headers
only exception to this is where exceeding 80 columns significantly increases with a long argument list. However, never break user-visible strings such as
readability and does not hide information. printk messages, because that breaks the ability to grep for them.
void fun(int a, int b, int c)
{
if (condition)
printk(KERN_WARNING "Warning this is a long printk with "
"3 parameters a: %u b: %u "
"c: %u \n", a, b, c);
else
next_statement;
}
Chapter 3: Placing Braces and Spaces Chapter 3: Placing Braces and Spaces
...@@ -680,8 +671,8 @@ ones already enabled by DEBUG. ...@@ -680,8 +671,8 @@ ones already enabled by DEBUG.
Chapter 14: Allocating memory Chapter 14: Allocating memory
The kernel provides the following general purpose memory allocators: The kernel provides the following general purpose memory allocators:
kmalloc(), kzalloc(), kcalloc(), and vmalloc(). Please refer to the API kmalloc(), kzalloc(), kcalloc(), vmalloc(), and vzalloc(). Please refer to
documentation for further information about them. the API documentation for further information about them.
The preferred form for passing a size of a struct is the following: The preferred form for passing a size of a struct is the following:
......
...@@ -613,13 +613,13 @@ to use the dma_sync_*() interfaces. ...@@ -613,13 +613,13 @@ to use the dma_sync_*() interfaces.
pass_to_upper_layers(cp->rx_buf); pass_to_upper_layers(cp->rx_buf);
make_and_setup_new_rx_buf(cp); make_and_setup_new_rx_buf(cp);
} else { } else {
/* Just sync the buffer and give it back /* CPU should not write to
* to the card. * DMA_FROM_DEVICE-mapped area,
* so dma_sync_single_for_device() is
* not needed here. It would be required
* for DMA_BIDIRECTIONAL mapping if
* the memory was modified.
*/ */
dma_sync_single_for_device(&cp->dev,
cp->rx_dma,
cp->rx_len,
DMA_FROM_DEVICE);
give_rx_buf_to_card(cp); give_rx_buf_to_card(cp);
} }
} }
......
...@@ -8,4 +8,7 @@ ...@@ -8,4 +8,7 @@
*.dvi *.dvi
*.log *.log
*.out *.out
media/ *.png
*.gif
media-indices.tmpl
media-entities.tmpl
...@@ -402,8 +402,9 @@ ...@@ -402,8 +402,9 @@
!Finclude/net/mac80211.h set_key_cmd !Finclude/net/mac80211.h set_key_cmd
!Finclude/net/mac80211.h ieee80211_key_conf !Finclude/net/mac80211.h ieee80211_key_conf
!Finclude/net/mac80211.h ieee80211_key_flags !Finclude/net/mac80211.h ieee80211_key_flags
!Finclude/net/mac80211.h ieee80211_tkip_key_type !Finclude/net/mac80211.h ieee80211_get_tkip_p1k
!Finclude/net/mac80211.h ieee80211_get_tkip_key !Finclude/net/mac80211.h ieee80211_get_tkip_p1k_iv
!Finclude/net/mac80211.h ieee80211_get_tkip_p2k
!Finclude/net/mac80211.h ieee80211_key_removed !Finclude/net/mac80211.h ieee80211_key_removed
</chapter> </chapter>
......
...@@ -14,7 +14,9 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \ ...@@ -14,7 +14,9 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \ genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
80211.xml debugobjects.xml sh.xml regulator.xml \ 80211.xml debugobjects.xml sh.xml regulator.xml \
alsa-driver-api.xml writing-an-alsa-driver.xml \ alsa-driver-api.xml writing-an-alsa-driver.xml \
tracepoint.xml media.xml drm.xml tracepoint.xml drm.xml media_api.xml
include $(srctree)/Documentation/DocBook/media/Makefile
### ###
# The build process is as follows (targets): # The build process is as follows (targets):
...@@ -32,7 +34,7 @@ PS_METHOD = $(prefer-db2x) ...@@ -32,7 +34,7 @@ PS_METHOD = $(prefer-db2x)
### ###
# The targets that may be used. # The targets that may be used.
PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs xmldoclinks PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs
BOOKS := $(addprefix $(obj)/,$(DOCBOOKS)) BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
xmldocs: $(BOOKS) xmldocs: $(BOOKS)
...@@ -45,27 +47,14 @@ PDF := $(patsubst %.xml, %.pdf, $(BOOKS)) ...@@ -45,27 +47,14 @@ PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
pdfdocs: $(PDF) pdfdocs: $(PDF)
HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS))) HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
htmldocs: $(HTML) xmldoclinks htmldocs: $(HTML)
$(call build_main_index) $(call build_main_index)
$(call build_images) $(call build_images)
$(call install_media_images)
MAN := $(patsubst %.xml, %.9, $(BOOKS)) MAN := $(patsubst %.xml, %.9, $(BOOKS))
mandocs: $(MAN) mandocs: $(MAN)
build_images = mkdir -p $(objtree)/Documentation/DocBook/media/ && \
cp $(srctree)/Documentation/DocBook/dvb/*.png \
$(srctree)/Documentation/DocBook/v4l/*.gif \
$(objtree)/Documentation/DocBook/media/
xmldoclinks:
ifneq ($(objtree),$(srctree))
for dep in dvb media-entities.tmpl media-indices.tmpl v4l; do \
rm -f $(objtree)/Documentation/DocBook/$$dep \
&& ln -s $(srctree)/Documentation/DocBook/$$dep $(objtree)/Documentation/DocBook/ \
|| exit; \
done
endif
installmandocs: mandocs installmandocs: mandocs
mkdir -p /usr/local/man/man9/ mkdir -p /usr/local/man/man9/
install Documentation/DocBook/man/*.9.gz /usr/local/man/man9/ install Documentation/DocBook/man/*.9.gz /usr/local/man/man9/
...@@ -97,11 +86,11 @@ define rule_docproc ...@@ -97,11 +86,11 @@ define rule_docproc
) > $(dir $@).$(notdir $@).cmd ) > $(dir $@).$(notdir $@).cmd
endef endef
%.xml: %.tmpl xmldoclinks FORCE %.xml: %.tmpl FORCE
$(call if_changed_rule,docproc) $(call if_changed_rule,docproc)
### ###
#Read in all saved dependency files #Read in all saved dependency files
cmd_files := $(wildcard $(foreach f,$(BOOKS),$(dir $(f)).$(notdir $(f)).cmd)) cmd_files := $(wildcard $(foreach f,$(BOOKS),$(dir $(f)).$(notdir $(f)).cmd))
ifneq ($(cmd_files),) ifneq ($(cmd_files),)
...@@ -150,7 +139,7 @@ quiet_cmd_db2pdf = PDF $@ ...@@ -150,7 +139,7 @@ quiet_cmd_db2pdf = PDF $@
index = index.html index = index.html
main_idx = Documentation/DocBook/$(index) main_idx = Documentation/DocBook/$(index)
build_main_index = rm -rf $(main_idx) && \ build_main_index = rm -rf $(main_idx); \
echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \ echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \
echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \ echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \
cat $(HTML) >> $(main_idx) cat $(HTML) >> $(main_idx)
...@@ -242,7 +231,7 @@ clean-files := $(DOCBOOKS) \ ...@@ -242,7 +231,7 @@ clean-files := $(DOCBOOKS) \
clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
cleandocs: cleandocs: cleanmediadocs
$(Q)rm -f $(call objectify, $(clean-files)) $(Q)rm -f $(call objectify, $(clean-files))
$(Q)rm -rf $(call objectify, $(clean-dirs)) $(Q)rm -rf $(call objectify, $(clean-dirs))
......
此差异已折叠。
<title>DVB CA Device</title>
<para>The DVB CA device controls the conditional access hardware. It can be accessed through
<emphasis role="tt">/dev/dvb/adapter0/ca0</emphasis>. Data types and and ioctl definitions can be accessed by
including <emphasis role="tt">linux/dvb/ca.h</emphasis> in your application.
</para>
<section id="ca_data_types">
<title>CA Data Types</title>
<section id="ca_slot_info_t">
<title>ca_slot_info_t</title>
<programlisting>
/&#x22C6; slot interface types and info &#x22C6;/
typedef struct ca_slot_info_s {
int num; /&#x22C6; slot number &#x22C6;/
int type; /&#x22C6; CA interface this slot supports &#x22C6;/
#define CA_CI 1 /&#x22C6; CI high level interface &#x22C6;/
#define CA_CI_LINK 2 /&#x22C6; CI link layer level interface &#x22C6;/
#define CA_CI_PHYS 4 /&#x22C6; CI physical layer level interface &#x22C6;/
#define CA_SC 128 /&#x22C6; simple smart card interface &#x22C6;/
unsigned int flags;
#define CA_CI_MODULE_PRESENT 1 /&#x22C6; module (or card) inserted &#x22C6;/
#define CA_CI_MODULE_READY 2
} ca_slot_info_t;
</programlisting>
</section>
<section id="ca_descr_info_t">
<title>ca_descr_info_t</title>
<programlisting>
typedef struct ca_descr_info_s {
unsigned int num; /&#x22C6; number of available descramblers (keys) &#x22C6;/
unsigned int type; /&#x22C6; type of supported scrambling system &#x22C6;/
#define CA_ECD 1
#define CA_NDS 2
#define CA_DSS 4
} ca_descr_info_t;
</programlisting>
</section>
<section id="ca_cap_t">
<title>ca_cap_t</title>
<programlisting>
typedef struct ca_cap_s {
unsigned int slot_num; /&#x22C6; total number of CA card and module slots &#x22C6;/
unsigned int slot_type; /&#x22C6; OR of all supported types &#x22C6;/
unsigned int descr_num; /&#x22C6; total number of descrambler slots (keys) &#x22C6;/
unsigned int descr_type;/&#x22C6; OR of all supported types &#x22C6;/
} ca_cap_t;
</programlisting>
</section>
<section id="ca_msg_t">
<title>ca_msg_t</title>
<programlisting>
/&#x22C6; a message to/from a CI-CAM &#x22C6;/
typedef struct ca_msg_s {
unsigned int index;
unsigned int type;
unsigned int length;
unsigned char msg[256];
} ca_msg_t;
</programlisting>
</section>
<section id="ca_descr_t">
<title>ca_descr_t</title>
<programlisting>
typedef struct ca_descr_s {
unsigned int index;
unsigned int parity;
unsigned char cw[8];
} ca_descr_t;
</programlisting>
</section></section>
<section id="ca_function_calls">
<title>CA Function Calls</title>
<section id="ca_fopen">
<title>open()</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This system call opens a named ca device (e.g. /dev/ost/ca) for subsequent use.</para>
<para>When an open() call has succeeded, the device will be ready for use.
The significance of blocking or non-blocking mode is described in the
documentation for functions where there is a difference. It does not affect the
semantics of the open() call itself. A device opened in blocking mode can later
be put into non-blocking mode (and vice versa) using the F_SETFL command
of the fcntl system call. This is a standard system call, documented in the Linux
manual page for fcntl. Only one user can open the CA Device in O_RDWR
mode. All other attempts to open the device in this mode will fail, and an error
code will be returned.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int open(const char &#x22C6;deviceName, int flags);</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>PARAMETERS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>const char
*deviceName</para>
</entry><entry
align="char">
<para>Name of specific video device.</para>
</entry>
</row><row><entry
align="char">
<para>int flags</para>
</entry><entry
align="char">
<para>A bit-wise OR of the following flags:</para>
</entry>
</row><row><entry
align="char">
</entry><entry
align="char">
<para>O_RDONLY read-only access</para>
</entry>
</row><row><entry
align="char">
</entry><entry
align="char">
<para>O_RDWR read/write access</para>
</entry>
</row><row><entry
align="char">
</entry><entry
align="char">
<para>O_NONBLOCK open in non-blocking mode</para>
</entry>
</row><row><entry
align="char">
</entry><entry
align="char">
<para>(blocking mode is the default)</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>ERRORS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>ENODEV</para>
</entry><entry
align="char">
<para>Device driver not loaded/available.</para>
</entry>
</row><row><entry
align="char">
<para>EINTERNAL</para>
</entry><entry
align="char">
<para>Internal error.</para>
</entry>
</row><row><entry
align="char">
<para>EBUSY</para>
</entry><entry
align="char">
<para>Device or resource busy.</para>
</entry>
</row><row><entry
align="char">
<para>EINVAL</para>
</entry><entry
align="char">
<para>Invalid argument.</para>
</entry>
</row></tbody></tgroup></informaltable>
</section>
<section id="ca_fclose">
<title>close()</title>
<para>DESCRIPTION
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>This system call closes a previously opened audio device.</para>
</entry>
</row></tbody></tgroup></informaltable>
<para>SYNOPSIS
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int close(int fd);</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></tbody></tgroup></informaltable>
<para>ERRORS
</para>
<informaltable><tgroup cols="2"><tbody><row><entry
align="char">
<para>EBADF</para>
</entry><entry
align="char">
<para>fd is not a valid open file descriptor.</para>
</entry>
</row></tbody></tgroup></informaltable>
</section>
</section>
此差异已折叠。
<partinfo>
<authorgroup>
<author>
<firstname>Ralph</firstname>
<surname>Metzler</surname>
<othername role="mi">J. K.</othername>
<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation>
</author>
<author>
<firstname>Marcus</firstname>
<surname>Metzler</surname>
<othername role="mi">O. C.</othername>
<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation>
</author>
</authorgroup>
<authorgroup>
<author>
<firstname>Mauro</firstname>
<othername role="mi">Carvalho</othername>
<surname>Chehab</surname>
<affiliation><address><email>mchehab@redhat.com</email></address></affiliation>
<contrib>Ported document to Docbook XML.</contrib>
</author>
</authorgroup>
<copyright>
<year>2002</year>
<year>2003</year>
<holder>Convergence GmbH</holder>
</copyright>
<copyright>
<year>2009-2011</year>
<holder>Mauro Carvalho Chehab</holder>
</copyright>
<revhistory>
<!-- Put document revisions here, newest first. -->
<revision>
<revnumber>2.0.4</revnumber>
<date>2011-05-06</date>
<authorinitials>mcc</authorinitials>
<revremark>
Add more information about DVB APIv5, better describing the frontend GET/SET props ioctl's.
</revremark>
</revision>
<revision>
<revnumber>2.0.3</revnumber>
<date>2010-07-03</date>
<authorinitials>mcc</authorinitials>
<revremark>
Add some frontend capabilities flags, present on kernel, but missing at the specs.
</revremark>
</revision>
<revision>
<revnumber>2.0.2</revnumber>
<date>2009-10-25</date>
<authorinitials>mcc</authorinitials>
<revremark>
documents FE_SET_FRONTEND_TUNE_MODE and FE_DISHETWORK_SEND_LEGACY_CMD ioctls.
</revremark>
</revision>
<revision>
<revnumber>2.0.1</revnumber>
<date>2009-09-16</date>
<authorinitials>mcc</authorinitials>
<revremark>
Added ISDB-T test originally written by Patrick Boettcher
</revremark>
</revision>
<revision>
<revnumber>2.0.0</revnumber>
<date>2009-09-06</date>
<authorinitials>mcc</authorinitials>
<revremark>Conversion from LaTex to DocBook XML. The
contents is the same as the original LaTex version.</revremark>
</revision>
<revision>
<revnumber>1.0.0</revnumber>
<date>2003-07-24</date>
<authorinitials>rjkm</authorinitials>
<revremark>Initial revision on LaTEX.</revremark>
</revision>
</revhistory>
</partinfo>
<title>LINUX DVB API</title>
<subtitle>Version 5.2</subtitle>
<!-- ADD THE CHAPTERS HERE -->
<chapter id="dvb_introdution">
&sub-intro;
</chapter>
<chapter id="dvb_frontend">
&sub-frontend;
</chapter>
<chapter id="dvb_demux">
&sub-demux;
</chapter>
<chapter id="dvb_video">
&sub-video;
</chapter>
<chapter id="dvb_audio">
&sub-audio;
</chapter>
<chapter id="dvb_ca">
&sub-ca;
</chapter>
<chapter id="dvb_net">
&sub-net;
</chapter>
<chapter id="dvb_kdapi">
&sub-kdapi;
</chapter>
<chapter id="dvb_examples">
&sub-examples;
</chapter>
<!-- END OF CHAPTERS -->
<appendix id="frontend_h">
<title>DVB Frontend Header File</title>
&sub-frontend-h;
</appendix>
此差异已折叠。
<programlisting>
/*
* frontend.h
*
* Copyright (C) 2000 Marcus Metzler &lt;marcus@convergence.de&gt;
* Ralph Metzler &lt;ralph@convergence.de&gt;
* Holger Waechtler &lt;holger@convergence.de&gt;
* Andre Draszik &lt;ad@convergence.de&gt;
* for convergence integrated media GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _DVBFRONTEND_H_
#define _DVBFRONTEND_H_
#include &lt;linux/types.h&gt;
typedef enum fe_type {
FE_QPSK,
FE_QAM,
FE_OFDM,
FE_ATSC
} fe_type_t;
typedef enum fe_caps {
FE_IS_STUPID = 0,
FE_CAN_INVERSION_AUTO = 0x1,
FE_CAN_FEC_1_2 = 0x2,
FE_CAN_FEC_2_3 = 0x4,
FE_CAN_FEC_3_4 = 0x8,
FE_CAN_FEC_4_5 = 0x10,
FE_CAN_FEC_5_6 = 0x20,
FE_CAN_FEC_6_7 = 0x40,
FE_CAN_FEC_7_8 = 0x80,
FE_CAN_FEC_8_9 = 0x100,
FE_CAN_FEC_AUTO = 0x200,
FE_CAN_QPSK = 0x400,
FE_CAN_QAM_16 = 0x800,
FE_CAN_QAM_32 = 0x1000,
FE_CAN_QAM_64 = 0x2000,
FE_CAN_QAM_128 = 0x4000,
FE_CAN_QAM_256 = 0x8000,
FE_CAN_QAM_AUTO = 0x10000,
FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
FE_CAN_BANDWIDTH_AUTO = 0x40000,
FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
FE_CAN_HIERARCHY_AUTO = 0x100000,
FE_CAN_8VSB = 0x200000,
FE_CAN_16VSB = 0x400000,
FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */
FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */
FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */
FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */
} fe_caps_t;
struct dvb_frontend_info {
char name[128];
fe_type_t type;
__u32 frequency_min;
__u32 frequency_max;
__u32 frequency_stepsize;
__u32 frequency_tolerance;
__u32 symbol_rate_min;
__u32 symbol_rate_max;
__u32 symbol_rate_tolerance; /* ppm */
__u32 notifier_delay; /* DEPRECATED */
fe_caps_t caps;
};
/**
* Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
* the meaning of this struct...
*/
struct dvb_diseqc_master_cmd {
__u8 msg [6]; /* { framing, address, command, data [3] } */
__u8 msg_len; /* valid values are 3...6 */
};
struct dvb_diseqc_slave_reply {
__u8 msg [4]; /* { framing, data [3] } */
__u8 msg_len; /* valid values are 0...4, 0 means no msg */
int timeout; /* return from ioctl after timeout ms with */
}; /* errorcode when no message was received */
typedef enum fe_sec_voltage {
SEC_VOLTAGE_13,
SEC_VOLTAGE_18,
SEC_VOLTAGE_OFF
} fe_sec_voltage_t;
typedef enum fe_sec_tone_mode {
SEC_TONE_ON,
SEC_TONE_OFF
} fe_sec_tone_mode_t;
typedef enum fe_sec_mini_cmd {
SEC_MINI_A,
SEC_MINI_B
} fe_sec_mini_cmd_t;
typedef enum fe_status {
FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
FE_HAS_CARRIER = 0x02, /* found a DVB signal */
FE_HAS_VITERBI = 0x04, /* FEC is stable */
FE_HAS_SYNC = 0x08, /* found sync bytes */
FE_HAS_LOCK = 0x10, /* everything's working... */
FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
FE_REINIT = 0x40 /* frontend was reinitialized, */
} fe_status_t; /* application is recommended to reset */
/* DiSEqC, tone and parameters */
typedef enum fe_spectral_inversion {
INVERSION_OFF,
INVERSION_ON,
INVERSION_AUTO
} fe_spectral_inversion_t;
typedef enum fe_code_rate {
FEC_NONE = 0,
FEC_1_2,
FEC_2_3,
FEC_3_4,
FEC_4_5,
FEC_5_6,
FEC_6_7,
FEC_7_8,
FEC_8_9,
FEC_AUTO,
FEC_3_5,
FEC_9_10,
} fe_code_rate_t;
typedef enum fe_modulation {
QPSK,
QAM_16,
QAM_32,
QAM_64,
QAM_128,
QAM_256,
QAM_AUTO,
VSB_8,
VSB_16,
PSK_8,
APSK_16,
APSK_32,
DQPSK,
} fe_modulation_t;
typedef enum fe_transmit_mode {
TRANSMISSION_MODE_2K,
TRANSMISSION_MODE_8K,
TRANSMISSION_MODE_AUTO,
TRANSMISSION_MODE_4K,
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
} fe_transmit_mode_t;
typedef enum fe_bandwidth {
BANDWIDTH_8_MHZ,
BANDWIDTH_7_MHZ,
BANDWIDTH_6_MHZ,
BANDWIDTH_AUTO,
BANDWIDTH_5_MHZ,
BANDWIDTH_10_MHZ,
BANDWIDTH_1_712_MHZ,
} fe_bandwidth_t;
typedef enum fe_guard_interval {
GUARD_INTERVAL_1_32,
GUARD_INTERVAL_1_16,
GUARD_INTERVAL_1_8,
GUARD_INTERVAL_1_4,
GUARD_INTERVAL_AUTO,
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
} fe_guard_interval_t;
typedef enum fe_hierarchy {
HIERARCHY_NONE,
HIERARCHY_1,
HIERARCHY_2,
HIERARCHY_4,
HIERARCHY_AUTO
} fe_hierarchy_t;
struct dvb_qpsk_parameters {
__u32 symbol_rate; /* symbol rate in Symbols per second */
fe_code_rate_t fec_inner; /* forward error correction (see above) */
};
struct dvb_qam_parameters {
__u32 symbol_rate; /* symbol rate in Symbols per second */
fe_code_rate_t fec_inner; /* forward error correction (see above) */
fe_modulation_t modulation; /* modulation type (see above) */
};
struct dvb_vsb_parameters {
fe_modulation_t modulation; /* modulation type (see above) */
};
struct dvb_ofdm_parameters {
fe_bandwidth_t bandwidth;
fe_code_rate_t code_rate_HP; /* high priority stream code rate */
fe_code_rate_t code_rate_LP; /* low priority stream code rate */
fe_modulation_t constellation; /* modulation type (see above) */
fe_transmit_mode_t transmission_mode;
fe_guard_interval_t guard_interval;
fe_hierarchy_t hierarchy_information;
};
struct dvb_frontend_parameters {
__u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
/* intermediate frequency in kHz for QPSK */
fe_spectral_inversion_t inversion;
union {
struct dvb_qpsk_parameters qpsk;
struct dvb_qam_parameters qam;
struct dvb_ofdm_parameters ofdm;
struct dvb_vsb_parameters vsb;
} u;
};
struct dvb_frontend_event {
fe_status_t status;
struct dvb_frontend_parameters parameters;
};
/* S2API Commands */
#define DTV_UNDEFINED 0
#define DTV_TUNE 1
#define DTV_CLEAR 2
#define DTV_FREQUENCY 3
#define DTV_MODULATION 4
#define DTV_BANDWIDTH_HZ 5
#define DTV_INVERSION 6
#define DTV_DISEQC_MASTER 7
#define DTV_SYMBOL_RATE 8
#define DTV_INNER_FEC 9
#define DTV_VOLTAGE 10
#define DTV_TONE 11
#define DTV_PILOT 12
#define DTV_ROLLOFF 13
#define DTV_DISEQC_SLAVE_REPLY 14
/* Basic enumeration set for querying unlimited capabilities */
#define DTV_FE_CAPABILITY_COUNT 15
#define DTV_FE_CAPABILITY 16
#define DTV_DELIVERY_SYSTEM 17
/* ISDB-T and ISDB-Tsb */
#define DTV_ISDBT_PARTIAL_RECEPTION 18
#define DTV_ISDBT_SOUND_BROADCASTING 19
#define DTV_ISDBT_SB_SUBCHANNEL_ID 20
#define DTV_ISDBT_SB_SEGMENT_IDX 21
#define DTV_ISDBT_SB_SEGMENT_COUNT 22
#define DTV_ISDBT_LAYERA_FEC 23
#define DTV_ISDBT_LAYERA_MODULATION 24
#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
#define DTV_ISDBT_LAYERB_FEC 27
#define DTV_ISDBT_LAYERB_MODULATION 28
#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
#define DTV_ISDBT_LAYERC_FEC 31
#define DTV_ISDBT_LAYERC_MODULATION 32
#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
#define DTV_API_VERSION 35
#define DTV_CODE_RATE_HP 36
#define DTV_CODE_RATE_LP 37
#define DTV_GUARD_INTERVAL 38
#define DTV_TRANSMISSION_MODE 39
#define DTV_HIERARCHY 40
#define DTV_ISDBT_LAYER_ENABLED 41
#define DTV_ISDBS_TS_ID 42
#define DTV_DVBT2_PLP_ID 43
#define DTV_MAX_COMMAND DTV_DVBT2_PLP_ID
typedef enum fe_pilot {
PILOT_ON,
PILOT_OFF,
PILOT_AUTO,
} fe_pilot_t;
typedef enum fe_rolloff {
ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
ROLLOFF_20,
ROLLOFF_25,
ROLLOFF_AUTO,
} fe_rolloff_t;
typedef enum fe_delivery_system {
SYS_UNDEFINED,
SYS_DVBC_ANNEX_AC,
SYS_DVBC_ANNEX_B,
SYS_DVBT,
SYS_DSS,
SYS_DVBS,
SYS_DVBS2,
SYS_DVBH,
SYS_ISDBT,
SYS_ISDBS,
SYS_ISDBC,
SYS_ATSC,
SYS_ATSCMH,
SYS_DMBTH,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
} fe_delivery_system_t;
struct dtv_cmds_h {
char *name; /* A display name for debugging purposes */
__u32 cmd; /* A unique ID */
/* Flags */
__u32 set:1; /* Either a set or get property */
__u32 buffer:1; /* Does this property use the buffer? */
__u32 reserved:30; /* Align */
};
struct dtv_property {
__u32 cmd;
__u32 reserved[3];
union {
__u32 data;
struct {
__u8 data[32];
__u32 len;
__u32 reserved1[3];
void *reserved2;
} buffer;
} u;
int result;
} __attribute__ ((packed));
/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
#define DTV_IOCTL_MAX_MSGS 64
struct dtv_properties {
__u32 num;
struct dtv_property *props;
};
#define <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link> _IOW('o', 82, struct dtv_properties)
#define <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link> _IOR('o', 83, struct dtv_properties)
/**
* When set, this flag will disable any zigzagging or other "normal" tuning
* behaviour. Additionally, there will be no automatic monitoring of the lock
* status, and hence no frontend events will be generated. If a frontend device
* is closed, this flag will be automatically turned off when the device is
* reopened read-write.
*/
#define FE_TUNE_MODE_ONESHOT 0x01
#define <link linkend="FE_GET_INFO">FE_GET_INFO</link> _IOR('o', 61, struct dvb_frontend_info)
#define <link linkend="FE_DISEQC_RESET_OVERLOAD">FE_DISEQC_RESET_OVERLOAD</link> _IO('o', 62)
#define <link linkend="FE_DISEQC_SEND_MASTER_CMD">FE_DISEQC_SEND_MASTER_CMD</link> _IOW('o', 63, struct dvb_diseqc_master_cmd)
#define <link linkend="FE_DISEQC_RECV_SLAVE_REPLY">FE_DISEQC_RECV_SLAVE_REPLY</link> _IOR('o', 64, struct dvb_diseqc_slave_reply)
#define <link linkend="FE_DISEQC_SEND_BURST">FE_DISEQC_SEND_BURST</link> _IO('o', 65) /* fe_sec_mini_cmd_t */
#define <link linkend="FE_SET_TONE">FE_SET_TONE</link> _IO('o', 66) /* fe_sec_tone_mode_t */
#define <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link> _IO('o', 67) /* fe_sec_voltage_t */
#define <link linkend="FE_ENABLE_HIGH_LNB_VOLTAGE">FE_ENABLE_HIGH_LNB_VOLTAGE</link> _IO('o', 68) /* int */
#define <link linkend="FE_READ_STATUS">FE_READ_STATUS</link> _IOR('o', 69, fe_status_t)
#define <link linkend="FE_READ_BER">FE_READ_BER</link> _IOR('o', 70, __u32)
#define <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> _IOR('o', 71, __u16)
#define <link linkend="FE_READ_SNR">FE_READ_SNR</link> _IOR('o', 72, __u16)
#define <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> _IOR('o', 73, __u32)
#define <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> _IOW('o', 76, struct dvb_frontend_parameters)
#define <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link> _IOR('o', 77, struct dvb_frontend_parameters)
#define <link linkend="FE_SET_FRONTEND_TUNE_MODE">FE_SET_FRONTEND_TUNE_MODE</link> _IO('o', 81) /* unsigned int */
#define <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> _IOR('o', 78, struct dvb_frontend_event)
#define <link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link> _IO('o', 80) /* unsigned int */
#endif /*_DVBFRONTEND_H_*/
</programlisting>
此差异已折叠。
<title>Introduction</title>
<section id="requisites">
<title>What you need to know</title>
<para>The reader of this document is required to have some knowledge in
the area of digital video broadcasting (DVB) and should be familiar with
part I of the MPEG2 specification ISO/IEC 13818 (aka ITU-T H.222), i.e
you should know what a program/transport stream (PS/TS) is and what is
meant by a packetized elementary stream (PES) or an I-frame.</para>
<para>Various DVB standards documents are available from
<ulink url="http://www.dvb.org" /> and/or
<ulink url="http://www.etsi.org" />.</para>
<para>It is also necessary to know how to access unix/linux devices and
how to use ioctl calls. This also includes the knowledge of C or C++.
</para>
</section>
<section id="history">
<title>History</title>
<para>The first API for DVB cards we used at Convergence in late 1999
was an extension of the Video4Linux API which was primarily developed
for frame grabber cards. As such it was not really well suited to be
used for DVB cards and their new features like recording MPEG streams
and filtering several section and PES data streams at the same time.
</para>
<para>In early 2000, we were approached by Nokia with a proposal for a
new standard Linux DVB API. As a commitment to the development of
terminals based on open standards, Nokia and Convergence made it
available to all Linux developers and published it on
<ulink url="http://www.linuxtv.org/" /> in September 2000.
Convergence is the maintainer of the Linux DVB API. Together with the
LinuxTV community (i.e. you, the reader of this document), the Linux DVB
API will be constantly reviewed and improved. With the Linux driver for
the Siemens/Hauppauge DVB PCI card Convergence provides a first
implementation of the Linux DVB API.</para>
</section>
<section id="overview">
<title>Overview</title>
<figure id="stb_components">
<title>Components of a DVB card/STB</title>
<mediaobject>
<imageobject>
<imagedata fileref="dvbstb.pdf" format="PS" />
</imageobject>
<imageobject>
<imagedata fileref="dvbstb.png" format="PNG" />
</imageobject>
</mediaobject>
</figure>
<para>A DVB PCI card or DVB set-top-box (STB) usually consists of the
following main hardware components: </para>
<itemizedlist>
<listitem>
<para>Frontend consisting of tuner and DVB demodulator</para>
<para>Here the raw signal reaches the DVB hardware from a satellite dish
or antenna or directly from cable. The frontend down-converts and
demodulates this signal into an MPEG transport stream (TS). In case of a
satellite frontend, this includes a facility for satellite equipment
control (SEC), which allows control of LNB polarization, multi feed
switches or dish rotors.</para>
</listitem>
<listitem>
<para>Conditional Access (CA) hardware like CI adapters and smartcard slots
</para>
<para>The complete TS is passed through the CA hardware. Programs to
which the user has access (controlled by the smart card) are decoded in
real time and re-inserted into the TS.</para>
</listitem>
<listitem>
<para>Demultiplexer which filters the incoming DVB stream</para>
<para>The demultiplexer splits the TS into its components like audio and
video streams. Besides usually several of such audio and video streams
it also contains data streams with information about the programs
offered in this or other streams of the same provider.</para>
</listitem>
<listitem>
<para>MPEG2 audio and video decoder</para>
<para>The main targets of the demultiplexer are the MPEG2 audio and
video decoders. After decoding they pass on the uncompressed audio and
video to the computer screen or (through a PAL/NTSC encoder) to a TV
set.</para>
</listitem>
</itemizedlist>
<para><xref linkend="stb_components" /> shows a crude schematic of the control and data flow
between those components.</para>
<para>On a DVB PCI card not all of these have to be present since some
functionality can be provided by the main CPU of the PC (e.g. MPEG
picture and sound decoding) or is not needed (e.g. for data-only uses
like &#8220;internet over satellite&#8221;). Also not every card or STB
provides conditional access hardware.</para>
</section>
<section id="dvb_devices">
<title>Linux DVB Devices</title>
<para>The Linux DVB API lets you control these hardware components
through currently six Unix-style character devices for video, audio,
frontend, demux, CA and IP-over-DVB networking. The video and audio
devices control the MPEG2 decoder hardware, the frontend device the
tuner and the DVB demodulator. The demux device gives you control over
the PES and section filters of the hardware. If the hardware does not
support filtering these filters can be implemented in software. Finally,
the CA device controls all the conditional access capabilities of the
hardware. It can depend on the individual security requirements of the
platform, if and how many of the CA functions are made available to the
application through this device.</para>
<para>All devices can be found in the <emphasis role="tt">/dev</emphasis>
tree under <emphasis role="tt">/dev/dvb</emphasis>. The individual devices
are called:</para>
<itemizedlist>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/audioM</emphasis>,</para>
</listitem>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/videoM</emphasis>,</para>
</listitem>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/frontendM</emphasis>,</para>
</listitem>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/netM</emphasis>,</para>
</listitem>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/demuxM</emphasis>,</para>
</listitem>
<listitem>
<para><emphasis role="tt">/dev/dvb/adapterN/caM</emphasis>,</para></listitem></itemizedlist>
<para>where N enumerates the DVB PCI cards in a system starting
from&#x00A0;0, and M enumerates the devices of each type within each
adapter, starting from&#x00A0;0, too. We will omit the &#8220;<emphasis
role="tt">/dev/dvb/adapterN/</emphasis>&#8221; in the further dicussion
of these devices. The naming scheme for the devices is the same wheter
devfs is used or not.</para>
<para>More details about the data structures and function calls of all
the devices are described in the following chapters.</para>
</section>
<section id="include_files">
<title>API include files</title>
<para>For each of the DVB devices a corresponding include file exists.
The DVB API include files should be included in application sources with
a partial path like:</para>
<programlisting>
#include &#x003C;linux/dvb/frontend.h&#x003E;
</programlisting>
<para>To enable applications to support different API version, an
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&#x00A0;3</emphasis>.
</para>
</section>
<title>DVB Network API</title>
<para>The DVB net device enables feeding of MPE (multi protocol encapsulation) packets
received via DVB into the Linux network protocol stack, e.g. for internet via satellite
applications. It can be accessed through <emphasis role="tt">/dev/dvb/adapter0/net0</emphasis>. Data types and
and ioctl definitions can be accessed by including <emphasis role="tt">linux/dvb/net.h</emphasis> in your
application.
</para>
<section id="dvb_net_types">
<title>DVB Net Data Types</title>
<para>To be written&#x2026;
</para>
</section>
此差异已折叠。
...@@ -409,7 +409,7 @@ cond_resched(); /* Will sleep */ ...@@ -409,7 +409,7 @@ cond_resched(); /* Will sleep */
<para> <para>
You should always compile your kernel You should always compile your kernel
<symbol>CONFIG_DEBUG_SPINLOCK_SLEEP</symbol> on, and it will warn <symbol>CONFIG_DEBUG_ATOMIC_SLEEP</symbol> on, and it will warn
you if you break these rules. If you <emphasis>do</emphasis> break you if you break these rules. If you <emphasis>do</emphasis> break
the rules, you will eventually lock up your box. the rules, you will eventually lock up your box.
</para> </para>
......
此差异已折叠。
<!-- Generated file! Do not edit. -->
<index><title>List of Types</title>
<indexentry><primaryie><link linkend='v4l2-std-id'>v4l2_std_id</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-buf-type'>v4l2_buf_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-colorspace'>v4l2_colorspace</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-ctrl-type'>v4l2_ctrl_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-exposure-auto-type'>v4l2_exposure_auto_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-field'>v4l2_field</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-frmivaltypes'>v4l2_frmivaltypes</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-frmsizetypes'>v4l2_frmsizetypes</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-memory'>v4l2_memory</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-ac3-bitrate'>v4l2_mpeg_audio_ac3_bitrate</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-crc'>v4l2_mpeg_audio_crc</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-emphasis'>v4l2_mpeg_audio_emphasis</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-encoding'>v4l2_mpeg_audio_encoding</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-l1-bitrate'>v4l2_mpeg_audio_l1_bitrate</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-l2-bitrate'>v4l2_mpeg_audio_l2_bitrate</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-l3-bitrate'>v4l2_mpeg_audio_l3_bitrate</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-mode'>v4l2_mpeg_audio_mode</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-mode-extension'>v4l2_mpeg_audio_mode_extension</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-audio-sampling-freq'>v4l2_mpeg_audio_sampling_freq</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='chroma-spatial-filter-type'>v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='luma-spatial-filter-type'>v4l2_mpeg_cx2341x_video_luma_spatial_filter_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-cx2341x-video-median-filter-type'>v4l2_mpeg_cx2341x_video_median_filter_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-cx2341x-video-spatial-filter-mode'>v4l2_mpeg_cx2341x_video_spatial_filter_mode</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-cx2341x-video-temporal-filter-mode'>v4l2_mpeg_cx2341x_video_temporal_filter_mode</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-stream-type'>v4l2_mpeg_stream_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-stream-vbi-fmt'>v4l2_mpeg_stream_vbi_fmt</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-video-aspect'>v4l2_mpeg_video_aspect</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-video-bitrate-mode'>v4l2_mpeg_video_bitrate_mode</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-mpeg-video-encoding'>v4l2_mpeg_video_encoding</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-power-line-frequency'>v4l2_power_line_frequency</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-priority'>v4l2_priority</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-tuner-type'>v4l2_tuner_type</link></primaryie></indexentry>
<indexentry><primaryie>enum&nbsp;<link linkend='v4l2-preemphasis'>v4l2_preemphasis</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-audio'>v4l2_audio</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-audioout'>v4l2_audioout</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-bt-timings'>v4l2_bt_timings</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-buffer'>v4l2_buffer</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-capability'>v4l2_capability</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-captureparm'>v4l2_captureparm</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-clip'>v4l2_clip</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-control'>v4l2_control</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-crop'>v4l2_crop</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-cropcap'>v4l2_cropcap</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dbg-chip-ident'>v4l2_dbg_chip_ident</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dbg-match'>v4l2_dbg_match</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dbg-register'>v4l2_dbg_register</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dv-enum-preset'>v4l2_dv_enum_preset</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dv-preset'>v4l2_dv_preset</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-dv-timings'>v4l2_dv_timings</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-enc-idx'>v4l2_enc_idx</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-enc-idx-entry'>v4l2_enc_idx_entry</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-encoder-cmd'>v4l2_encoder_cmd</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-ext-control'>v4l2_ext_control</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-ext-controls'>v4l2_ext_controls</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-fmtdesc'>v4l2_fmtdesc</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-format'>v4l2_format</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-fract'>v4l2_fract</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-framebuffer'>v4l2_framebuffer</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frequency'>v4l2_frequency</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frmival-stepwise'>v4l2_frmival_stepwise</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frmivalenum'>v4l2_frmivalenum</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frmsize-discrete'>v4l2_frmsize_discrete</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frmsize-stepwise'>v4l2_frmsize_stepwise</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-frmsizeenum'>v4l2_frmsizeenum</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-hw-freq-seek'>v4l2_hw_freq_seek</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-input'>v4l2_input</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-jpegcompression'>v4l2_jpegcompression</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-modulator'>v4l2_modulator</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-mpeg-vbi-fmt-ivtv'>v4l2_mpeg_vbi_fmt_ivtv</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-output'>v4l2_output</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-outputparm'>v4l2_outputparm</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-pix-format'>v4l2_pix_format</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-queryctrl'>v4l2_queryctrl</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-querymenu'>v4l2_querymenu</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-rect'>v4l2_rect</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-requestbuffers'>v4l2_requestbuffers</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-sliced-vbi-cap'>v4l2_sliced_vbi_cap</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-sliced-vbi-data'>v4l2_sliced_vbi_data</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-sliced-vbi-format'>v4l2_sliced_vbi_format</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-standard'>v4l2_standard</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-streamparm'>v4l2_streamparm</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-timecode'>v4l2_timecode</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-tuner'>v4l2_tuner</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-vbi-format'>v4l2_vbi_format</link></primaryie></indexentry>
<indexentry><primaryie>struct&nbsp;<link linkend='v4l2-window'>v4l2_window</link></primaryie></indexentry>
</index>
<?xml version="1.0"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
<!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities;
<!ENTITY media-indices SYSTEM "./media-indices.tmpl">
<!ENTITY eg "e.&nbsp;g.">
<!ENTITY ie "i.&nbsp;e.">
<!ENTITY fd "File descriptor returned by <link linkend='func-open'><function>open()</function></link>.">
<!ENTITY i2c "I<superscript>2</superscript>C">
<!ENTITY return-value "<title>Return Value</title><para>On success <returnvalue>0</returnvalue> is returned, on error <returnvalue>-1</returnvalue> and the <varname>errno</varname> variable is set appropriately:</para>">
<!ENTITY manvol "<manvolnum>2</manvolnum>">
<!-- Table templates: structs, structs w/union, defines. -->
<!ENTITY cs-str "<colspec colname='c1' colwidth='1*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='2*' /><spanspec spanname='hspan' namest='c1' nameend='c3' />">
<!ENTITY cs-ustr "<colspec colname='c1' colwidth='1*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='1*' /><colspec colname='c4' colwidth='2*' /><spanspec spanname='hspan' namest='c1' nameend='c4' />">
<!ENTITY cs-def "<colspec colname='c1' colwidth='3*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='4*' /><spanspec spanname='hspan' namest='c1' nameend='c3' />">
<!-- Video for Linux mailing list address. -->
<!ENTITY v4l-ml "<ulink url='http://www.linuxtv.org/lists.php'>http://www.linuxtv.org/lists.php</ulink>">
<!-- LinuxTV v4l-dvb repository. -->
<!ENTITY v4l-dvb "<ulink url='http://linuxtv.org/repo/'>http://linuxtv.org/repo/</ulink>">
]>
<book id="media_api">
<bookinfo>
<title>LINUX MEDIA INFRASTRUCTURE API</title>
<copyright>
<year>2009-2011</year>
<holder>LinuxTV Developers</holder>
</copyright>
<legalnotice>
<para>Permission is granted to copy, distribute and/or modify
this document under the terms of the GNU Free Documentation License,
Version 1.1 or any later version published by the Free Software
Foundation. A copy of the license is included in the chapter entitled
"GNU Free Documentation License"</para>
</legalnotice>
</bookinfo>
<toc></toc> <!-- autogenerated -->
<preface>
<title>Introduction</title>
<para>This document covers the Linux Kernel to Userspace API's used by
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>The first part covers radio, capture,
cameras and analog TV devices.</para>
<para>The second part covers the
API used for digital TV and Internet reception via one of the
several digital tv standards. While it is called as DVB API,
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>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>
</preface>
<part id="v4l2spec">
&sub-v4l2;
</part>
<part id="dvbapi">
&sub-dvbapi;
</part>
<part id="v4ldvb_common">
<partinfo>
<authorgroup>
<author>
<firstname>Mauro</firstname>
<surname>Chehab</surname>
<othername role="mi">Carvalho</othername>
<affiliation><address><email>mchehab@redhat.com</email></address></affiliation>
<contrib>Initial version.</contrib>
</author>
</authorgroup>
<copyright>
<year>2009-2011</year>
<holder>Mauro Carvalho Chehab</holder>
</copyright>
<revhistory>
<!-- Put document revisions here, newest first. -->
<revision>
<revnumber>1.0.0</revnumber>
<date>2009-09-06</date>
<authorinitials>mcc</authorinitials>
<revremark>Initial revision</revremark>
</revision>
</revhistory>
</partinfo>
<title>Remote Controller API</title>
<chapter id="remote_controllers">
&sub-remote_controllers;
</chapter>
</part>
<part id="media_common">
&sub-media-controller;
</part>
&sub-fdl-appendix;
</book>
此差异已折叠。
此差异已折叠。
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