mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 23:20:51 +07:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
390 lines
14 KiB
Plaintext
390 lines
14 KiB
Plaintext
#
|
|
# USB Gadget support on a system involves
|
|
# (a) a peripheral controller, and
|
|
# (b) the gadget driver using it.
|
|
#
|
|
# NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
|
|
#
|
|
# - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
|
|
# - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
|
|
# - Some systems have both kinds of of controller.
|
|
#
|
|
# With help from a special transceiver and a "Mini-AB" jack, systems with
|
|
# both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
|
|
#
|
|
menu "USB Gadget Support"
|
|
|
|
config USB_GADGET
|
|
tristate "Support for USB Gadgets"
|
|
help
|
|
USB is a master/slave protocol, organized with one master
|
|
host (such as a PC) controlling up to 127 peripheral devices.
|
|
The USB hardware is asymmetric, which makes it easier to set up:
|
|
you can't connect a "to-the-host" connector to a peripheral.
|
|
|
|
Linux can run in the host, or in the peripheral. In both cases
|
|
you need a low level bus controller driver, and some software
|
|
talking to it. Peripheral controllers are often discrete silicon,
|
|
or are integrated with the CPU in a microcontroller. The more
|
|
familiar host side controllers have names like like "EHCI", "OHCI",
|
|
or "UHCI", and are usually integrated into southbridges on PC
|
|
motherboards.
|
|
|
|
Enable this configuration option if you want to run Linux inside
|
|
a USB peripheral device. Configure one hardware driver for your
|
|
peripheral/device side bus controller, and a "gadget driver" for
|
|
your peripheral protocol. (If you use modular gadget drivers,
|
|
you may configure more than one.)
|
|
|
|
If in doubt, say "N" and don't enable these drivers; most people
|
|
don't have this kind of hardware (except maybe inside Linux PDAs).
|
|
|
|
For more information, see <http://www.linux-usb.org/gadget> and
|
|
the kernel DocBook documentation for this API.
|
|
|
|
config USB_GADGET_DEBUG_FILES
|
|
boolean "Debugging information files"
|
|
depends on USB_GADGET && PROC_FS
|
|
help
|
|
Some of the drivers in the "gadget" framework can expose
|
|
debugging information in files such as /proc/driver/udc
|
|
(for a peripheral controller). The information in these
|
|
files may help when you're troubleshooting or bringing up a
|
|
driver on a new board. Enable these files by choosing "Y"
|
|
here. If in doubt, or to conserve kernel memory, say "N".
|
|
|
|
#
|
|
# USB Peripheral Controller Support
|
|
#
|
|
choice
|
|
prompt "USB Peripheral Controller"
|
|
depends on USB_GADGET
|
|
help
|
|
A USB device uses a controller to talk to its host.
|
|
Systems should have only one such upstream link.
|
|
Many controller drivers are platform-specific; these
|
|
often need board-specific hooks.
|
|
|
|
config USB_GADGET_NET2280
|
|
boolean "NetChip 2280"
|
|
depends on PCI
|
|
select USB_GADGET_DUALSPEED
|
|
help
|
|
NetChip 2280 is a PCI based USB peripheral controller which
|
|
supports both full and high speed USB 2.0 data transfers.
|
|
|
|
It has six configurable endpoints, as well as endpoint zero
|
|
(for control transfers) and several endpoints with dedicated
|
|
functions.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "net2280" and force all
|
|
gadget drivers to also be dynamically linked.
|
|
|
|
config USB_NET2280
|
|
tristate
|
|
depends on USB_GADGET_NET2280
|
|
default USB_GADGET
|
|
|
|
config USB_GADGET_PXA2XX
|
|
boolean "PXA 25x or IXP 4xx"
|
|
depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
|
|
help
|
|
Intel's PXA 25x series XScale ARM-5TE processors include
|
|
an integrated full speed USB 1.1 device controller. The
|
|
controller in the IXP 4xx series is register-compatible.
|
|
|
|
It has fifteen fixed-function endpoints, as well as endpoint
|
|
zero (for control transfers).
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "pxa2xx_udc" and force all
|
|
gadget drivers to also be dynamically linked.
|
|
|
|
config USB_PXA2XX
|
|
tristate
|
|
depends on USB_GADGET_PXA2XX
|
|
default USB_GADGET
|
|
|
|
# if there's only one gadget driver, using only two bulk endpoints,
|
|
# don't waste memory for the other endpoints
|
|
config USB_PXA2XX_SMALL
|
|
depends on USB_GADGET_PXA2XX
|
|
bool
|
|
default n if USB_ETH_RNDIS
|
|
default y if USB_ZERO
|
|
default y if USB_ETH
|
|
default y if USB_G_SERIAL
|
|
|
|
config USB_GADGET_GOKU
|
|
boolean "Toshiba TC86C001 'Goku-S'"
|
|
depends on PCI
|
|
help
|
|
The Toshiba TC86C001 is a PCI device which includes controllers
|
|
for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).
|
|
|
|
The device controller has three configurable (bulk or interrupt)
|
|
endpoints, plus endpoint zero (for control transfers).
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "goku_udc" and to force all
|
|
gadget drivers to also be dynamically linked.
|
|
|
|
config USB_GOKU
|
|
tristate
|
|
depends on USB_GADGET_GOKU
|
|
default USB_GADGET
|
|
|
|
|
|
config USB_GADGET_LH7A40X
|
|
boolean "LH7A40X"
|
|
depends on ARCH_LH7A40X
|
|
help
|
|
This driver provides USB Device Controller driver for LH7A40x
|
|
|
|
config USB_LH7A40X
|
|
tristate
|
|
depends on USB_GADGET_LH7A40X
|
|
default USB_GADGET
|
|
|
|
|
|
config USB_GADGET_OMAP
|
|
boolean "OMAP USB Device Controller"
|
|
depends on ARCH_OMAP
|
|
select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
|
|
help
|
|
Many Texas Instruments OMAP processors have flexible full
|
|
speed USB device controllers, with support for up to 30
|
|
endpoints (plus endpoint zero). This driver supports the
|
|
controller in the OMAP 1611, and should work with controllers
|
|
in other OMAP processors too, given minor tweaks.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "omap_udc" and force all
|
|
gadget drivers to also be dynamically linked.
|
|
|
|
config USB_OMAP
|
|
tristate
|
|
depends on USB_GADGET_OMAP
|
|
default USB_GADGET
|
|
|
|
config USB_OTG
|
|
boolean "OTG Support"
|
|
depends on USB_GADGET_OMAP && ARCH_OMAP_OTG && USB_OHCI_HCD
|
|
help
|
|
The most notable feature of USB OTG is support for a
|
|
"Dual-Role" device, which can act as either a device
|
|
or a host. The initial role choice can be changed
|
|
later, when two dual-role devices talk to each other.
|
|
|
|
Select this only if your OMAP board has a Mini-AB connector.
|
|
|
|
|
|
config USB_GADGET_DUMMY_HCD
|
|
boolean "Dummy HCD (DEVELOPMENT)"
|
|
depends on USB && EXPERIMENTAL
|
|
select USB_GADGET_DUALSPEED
|
|
help
|
|
This host controller driver emulates USB, looping all data transfer
|
|
requests back to a USB "gadget driver" in the same host. The host
|
|
side is the master; the gadget side is the slave. Gadget drivers
|
|
can be high, full, or low speed; and they have access to endpoints
|
|
like those from NET2280, PXA2xx, or SA1100 hardware.
|
|
|
|
This may help in some stages of creating a driver to embed in a
|
|
Linux device, since it lets you debug several parts of the gadget
|
|
driver without its hardware or drivers being involved.
|
|
|
|
Since such a gadget side driver needs to interoperate with a host
|
|
side Linux-USB device driver, this may help to debug both sides
|
|
of a USB protocol stack.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "dummy_hcd" and force all
|
|
gadget drivers to also be dynamically linked.
|
|
|
|
config USB_DUMMY_HCD
|
|
tristate
|
|
depends on USB_GADGET_DUMMY_HCD
|
|
default USB_GADGET
|
|
|
|
# NOTE: Please keep dummy_hcd LAST so that "real hardware" appears
|
|
# first and will be selected by default.
|
|
|
|
endchoice
|
|
|
|
config USB_GADGET_DUALSPEED
|
|
bool
|
|
depends on USB_GADGET
|
|
default n
|
|
help
|
|
Means that gadget drivers should include extra descriptors
|
|
and code to handle dual-speed controllers.
|
|
|
|
#
|
|
# USB Gadget Drivers
|
|
#
|
|
choice
|
|
tristate "USB Gadget Drivers"
|
|
depends on USB_GADGET
|
|
default USB_ETH
|
|
help
|
|
A Linux "Gadget Driver" talks to the USB Peripheral Controller
|
|
driver through the abstract "gadget" API. Some other operating
|
|
systems call these "client" drivers, of which "class drivers"
|
|
are a subset (implementing a USB device class specification).
|
|
A gadget driver implements one or more USB functions using
|
|
the peripheral hardware.
|
|
|
|
Gadget drivers are hardware-neutral, or "platform independent",
|
|
except that they sometimes must understand quirks or limitations
|
|
of the particular controllers they work with. For example, when
|
|
a controller doesn't support alternate configurations or provide
|
|
enough of the right types of endpoints, the gadget driver might
|
|
not be able work with that controller, or might need to implement
|
|
a less common variant of a device class protocol.
|
|
|
|
# this first set of drivers all depend on bulk-capable hardware.
|
|
|
|
config USB_ZERO
|
|
tristate "Gadget Zero (DEVELOPMENT)"
|
|
depends on EXPERIMENTAL
|
|
help
|
|
Gadget Zero is a two-configuration device. It either sinks and
|
|
sources bulk data; or it loops back a configurable number of
|
|
transfers. It also implements control requests, for "chapter 9"
|
|
conformance. The driver needs only two bulk-capable endpoints, so
|
|
it can work on top of most device-side usb controllers. It's
|
|
useful for testing, and is also a working example showing how
|
|
USB "gadget drivers" can be written.
|
|
|
|
Make this be the first driver you try using on top of any new
|
|
USB peripheral controller driver. Then you can use host-side
|
|
test software, like the "usbtest" driver, to put your hardware
|
|
and its driver through a basic set of functional tests.
|
|
|
|
Gadget Zero also works with the host-side "usb-skeleton" driver,
|
|
and with many kinds of host-side test software. You may need
|
|
to tweak product and vendor IDs before host software knows about
|
|
this device, and arrange to select an appropriate configuration.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "g_zero".
|
|
|
|
config USB_ZERO_HNPTEST
|
|
boolean "HNP Test Device"
|
|
depends on USB_ZERO && USB_OTG
|
|
help
|
|
You can configure this device to enumerate using the device
|
|
identifiers of the USB-OTG test device. That means that when
|
|
this gadget connects to another OTG device, with this one using
|
|
the "B-Peripheral" role, that device will use HNP to let this
|
|
one serve as the USB host instead (in the "B-Host" role).
|
|
|
|
config USB_ETH
|
|
tristate "Ethernet Gadget (with CDC Ethernet support)"
|
|
depends on NET
|
|
help
|
|
This driver implements Ethernet style communication, in either
|
|
of two ways:
|
|
|
|
- The "Communication Device Class" (CDC) Ethernet Control Model.
|
|
That protocol is often avoided with pure Ethernet adapters, in
|
|
favor of simpler vendor-specific hardware, but is widely
|
|
supported by firmware for smart network devices.
|
|
|
|
- On hardware can't implement that protocol, a simple CDC subset
|
|
is used, placing fewer demands on USB.
|
|
|
|
RNDIS support is a third option, more demanding than that subset.
|
|
|
|
Within the USB device, this gadget driver exposes a network device
|
|
"usbX", where X depends on what other networking devices you have.
|
|
Treat it like a two-node Ethernet link: host, and gadget.
|
|
|
|
The Linux-USB host-side "usbnet" driver interoperates with this
|
|
driver, so that deep I/O queues can be supported. On 2.4 kernels,
|
|
use "CDCEther" instead, if you're using the CDC option. That CDC
|
|
mode should also interoperate with standard CDC Ethernet class
|
|
drivers on other host operating systems.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "g_ether".
|
|
|
|
config USB_ETH_RNDIS
|
|
bool "RNDIS support (EXPERIMENTAL)"
|
|
depends on USB_ETH && EXPERIMENTAL
|
|
default y
|
|
help
|
|
Microsoft Windows XP bundles the "Remote NDIS" (RNDIS) protocol,
|
|
and Microsoft provides redistributable binary RNDIS drivers for
|
|
older versions of Windows.
|
|
|
|
If you say "y" here, the Ethernet gadget driver will try to provide
|
|
a second device configuration, supporting RNDIS to talk to such
|
|
Microsoft USB hosts.
|
|
|
|
To make MS-Windows work with this, use Documentation/usb/linux.inf
|
|
as the "driver info file". For versions of MS-Windows older than
|
|
XP, you'll need to download drivers from Microsoft's website; a URL
|
|
is given in comments found in that info file.
|
|
|
|
config USB_GADGETFS
|
|
tristate "Gadget Filesystem (EXPERIMENTAL)"
|
|
depends on EXPERIMENTAL
|
|
help
|
|
This driver provides a filesystem based API that lets user mode
|
|
programs implement a single-configuration USB device, including
|
|
endpoint I/O and control requests that don't relate to enumeration.
|
|
All endpoints, transfer speeds, and transfer types supported by
|
|
the hardware are available, through read() and write() calls.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "gadgetfs".
|
|
|
|
config USB_FILE_STORAGE
|
|
tristate "File-backed Storage Gadget"
|
|
help
|
|
The File-backed Storage Gadget acts as a USB Mass Storage
|
|
disk drive. As its storage repository it can use a regular
|
|
file or a block device (in much the same way as the "loop"
|
|
device driver), specified as a module parameter.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "g_file_storage".
|
|
|
|
config USB_FILE_STORAGE_TEST
|
|
bool "File-backed Storage Gadget testing version"
|
|
depends on USB_FILE_STORAGE
|
|
default n
|
|
help
|
|
Say "y" to generate the larger testing version of the
|
|
File-backed Storage Gadget, useful for probing the
|
|
behavior of USB Mass Storage hosts. Not needed for
|
|
normal operation.
|
|
|
|
config USB_G_SERIAL
|
|
tristate "Serial Gadget (with CDC ACM support)"
|
|
help
|
|
The Serial Gadget talks to the Linux-USB generic serial driver.
|
|
This driver supports a CDC-ACM module option, which can be used
|
|
to interoperate with MS-Windows hosts or with the Linux-USB
|
|
"cdc-acm" driver.
|
|
|
|
Say "y" to link the driver statically, or "m" to build a
|
|
dynamically linked module called "g_serial".
|
|
|
|
For more information, see Documentation/usb/gadget_serial.txt
|
|
which includes instructions and a "driver info file" needed to
|
|
make MS-Windows work with this driver.
|
|
|
|
|
|
# put drivers that need isochronous transfer support (for audio
|
|
# or video class gadget drivers), or specific hardware, here.
|
|
|
|
# - none yet
|
|
|
|
endchoice
|
|
|
|
endmenu
|