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usb: gadget: allow multiple gadgets to be built

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now that we have the udc class, we can allow
multiple gadget controller drivers to be
compiled as modules. This will allow for
distro-like kernels for embedded devices.

With this patch, I managed to build an x86
kernel with support for many of the controllers
enabled:

CONFIG_USB_FUSB300=m
CONFIG_USB_R8A66597=m
CONFIG_USB_M66592=m
CONFIG_USB_AMD5536UDC=m
CONFIG_USB_CI13XXX_PCI=m
CONFIG_USB_NET2272=m
CONFIG_USB_NET2280=m
CONFIG_USB_GOKU=m
CONFIG_USB_LANGWELL=m
CONFIG_USB_EG20T=m

Also an ARM kernel with support for many controllers:

CONFIG_USB_FUSB300=m
CONFIG_USB_OMAP=m
CONFIG_USB_R8A66597=m
CONFIG_USB_GADGET_MUSB_HDRC=m
CONFIG_USB_M66592=m
CONFIG_USB_NET2272=m
CONFIG_USB_DUMMY_HCD=m

The next step would be to get rid of the
direct access to arch/ and mach/ directories
on some gadget controllers so that we can
build all of them without depending on their
respective ARCH_* symbols.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Felipe Balbi 2011-06-22 17:28:10 +03:00 committed by Greg Kroah-Hartman
parent ee34e51a74
commit 193ab2a607
3 changed files with 66 additions and 237 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/Kconfig
View File

@ -118,8 +118,6 @@ source "drivers/usb/host/Kconfig"
source "drivers/usb/musb/Kconfig"
source "drivers/usb/renesas_usbhs/Kconfig"
source "drivers/usb/class/Kconfig"
source "drivers/usb/storage/Kconfig"

285
drivers/usb/gadget/Kconfig
View File

@ -96,9 +96,6 @@ config USB_GADGET_VBUS_DRAW
This value will be used except for system-specific gadget
drivers that have more specific information.
config USB_GADGET_SELECTED
boolean
#
# USB Peripheral Controller Support
#
@ -122,10 +119,9 @@ choice
# Integrated controllers
#
config USB_GADGET_AT91
boolean "Atmel AT91 USB Device Port"
config USB_AT91
tristate "Atmel AT91 USB Device Port"
depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9 && !ARCH_AT91SAM9G45
select USB_GADGET_SELECTED
help
Many Atmel AT91 processors (such as the AT91RM2000) have a
full speed USB Device Port with support for five configurable
@ -135,27 +131,16 @@ config USB_GADGET_AT91
dynamically linked module called "at91_udc" and force all
gadget drivers to also be dynamically linked.
config USB_AT91
tristate
depends on USB_GADGET_AT91
default USB_GADGET
config USB_GADGET_ATMEL_USBA
boolean "Atmel USBA"
config USB_ATMEL_USBA
tristate "Atmel USBA"
select USB_GADGET_DUALSPEED
depends on AVR32 || ARCH_AT91CAP9 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
help
USBA is the integrated high-speed USB Device controller on
the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
config USB_ATMEL_USBA
tristate
depends on USB_GADGET_ATMEL_USBA
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_FSL_USB2
boolean "Freescale Highspeed USB DR Peripheral Controller"
config USB_FSL_USB2
tristate "Freescale Highspeed USB DR Peripheral Controller"
depends on FSL_SOC || ARCH_MXC
select USB_GADGET_DUALSPEED
select USB_FSL_MPH_DR_OF if OF
@ -170,26 +155,14 @@ config USB_GADGET_FSL_USB2
dynamically linked module called "fsl_usb2_udc" and force
all gadget drivers to also be dynamically linked.
config USB_FSL_USB2
tristate
depends on USB_GADGET_FSL_USB2
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_FUSB300
boolean "Faraday FUSB300 USB Peripheral Controller"
config USB_FUSB300
tristate "Faraday FUSB300 USB Peripheral Controller"
select USB_GADGET_DUALSPEED
help
Faraday usb device controller FUSB300 driver
config USB_FUSB300
tristate
depends on USB_GADGET_FUSB300
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_OMAP
boolean "OMAP USB Device Controller"
config USB_OMAP
tristate "OMAP USB Device Controller"
depends on ARCH_OMAP
select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_H4_OTG
select USB_OTG_UTILS if ARCH_OMAP
@ -204,14 +177,8 @@ config USB_GADGET_OMAP
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
select USB_GADGET_SELECTED
config USB_GADGET_PXA25X
boolean "PXA 25x or IXP 4xx"
config USB_PXA25X
tristate "PXA 25x or IXP 4xx"
depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
select USB_OTG_UTILS
help
@ -226,24 +193,18 @@ config USB_GADGET_PXA25X
dynamically linked module called "pxa25x_udc" and force all
gadget drivers to also be dynamically linked.
config USB_PXA25X
tristate
depends on USB_GADGET_PXA25X
default USB_GADGET
select USB_GADGET_SELECTED
# if there's only one gadget driver, using only two bulk endpoints,
# don't waste memory for the other endpoints
config USB_PXA25X_SMALL
depends on USB_GADGET_PXA25X
depends on USB_PXA25X
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_R8A66597
boolean "Renesas R8A66597 USB Peripheral Controller"
config USB_R8A66597
tristate "Renesas R8A66597 USB Peripheral Controller"
select USB_GADGET_DUALSPEED
help
R8A66597 is a discrete USB host and peripheral controller chip that
@ -254,32 +215,20 @@ config USB_GADGET_R8A66597
dynamically linked module called "r8a66597_udc" and force all
gadget drivers to also be dynamically linked.
config USB_R8A66597
tristate
depends on USB_GADGET_R8A66597
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_RENESAS_USBHS
boolean "Renesas USBHS"
depends on USB_RENESAS_USBHS
select USB_GADGET_DUALSPEED
config USB_RENESAS_USBHS
tristate 'Renesas USBHS controller'
depends on SUPERH || ARCH_SHMOBILE
help
Renesas USBHS is a discrete USB host and peripheral controller
chip that supports both full and high speed USB 2.0 data transfers.
platform is able to configure endpoint (pipe) style
Renesas USBHS is a discrete USB host and peripheral controller chip
that supports both full and high speed USB 2.0 data transfers.
It has nine or more configurable endpoints, and endpoint zero.
Say "y" to enable the gadget specific portion of the USBHS driver.
Say "y" to link the driver statically, or "m" to build a
dynamically linked module called "renesas_usbhs" and force all
gadget drivers to also be dynamically linked.
config USB_RENESAS_USBHS_UDC
tristate
depends on USB_GADGET_RENESAS_USBHS
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_PXA27X
boolean "PXA 27x"
config USB_PXA27X
tristate "PXA 27x"
depends on ARCH_PXA && (PXA27x || PXA3xx)
select USB_OTG_UTILS
help
@ -293,14 +242,8 @@ config USB_GADGET_PXA27X
dynamically linked module called "pxa27x_udc" and force all
gadget drivers to also be dynamically linked.
config USB_PXA27X
tristate
depends on USB_GADGET_PXA27X
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_S3C_HSOTG
boolean "S3C HS/OtG USB Device controller"
config USB_S3C_HSOTG
tristate "S3C HS/OtG USB Device controller"
depends on S3C_DEV_USB_HSOTG
select USB_GADGET_S3C_HSOTG_PIO
select USB_GADGET_DUALSPEED
@ -308,14 +251,8 @@ config USB_GADGET_S3C_HSOTG
The Samsung S3C64XX USB2.0 high-speed gadget controller
integrated into the S3C64XX series SoC.
config USB_S3C_HSOTG
tristate
depends on USB_GADGET_S3C_HSOTG
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_IMX
boolean "Freescale IMX USB Peripheral Controller"
config USB_IMX
tristate "Freescale IMX USB Peripheral Controller"
depends on ARCH_MX1
help
Freescale's IMX series include an integrated full speed
@ -329,14 +266,8 @@ config USB_GADGET_IMX
dynamically linked module called "imx_udc" and force all
gadget drivers to also be dynamically linked.
config USB_IMX
tristate
depends on USB_GADGET_IMX
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_S3C2410
boolean "S3C2410 USB Device Controller"
config USB_S3C2410
tristate "S3C2410 USB Device Controller"
depends on ARCH_S3C2410
help
Samsung's S3C2410 is an ARM-4 processor with an integrated
@ -346,18 +277,12 @@ config USB_GADGET_S3C2410
This driver has been tested on the S3C2410, S3C2412, and
S3C2440 processors.
config USB_S3C2410
tristate
depends on USB_GADGET_S3C2410
default USB_GADGET
select USB_GADGET_SELECTED
config USB_S3C2410_DEBUG
boolean "S3C2410 udc debug messages"
depends on USB_GADGET_S3C2410
depends on USB_S3C2410
config USB_GADGET_S3C_HSUDC
boolean "S3C2416, S3C2443 and S3C2450 USB Device Controller"
config USB_S3C_HSUDC
tristate "S3C2416, S3C2443 and S3C2450 USB Device Controller"
depends on ARCH_S3C2410
select USB_GADGET_DUALSPEED
help
@ -367,41 +292,29 @@ config USB_GADGET_S3C_HSUDC
This driver has been tested on S3C2416 and S3C2450 processors.
config USB_S3C_HSUDC
tristate
depends on USB_GADGET_S3C_HSUDC
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_PXA_U2O
boolean "PXA9xx Processor USB2.0 controller"
config USB_PXA_U2O
tristate "PXA9xx Processor USB2.0 controller"
depends on ARCH_MMP
select USB_GADGET_DUALSPEED
help
PXA9xx Processor series include a high speed USB2.0 device
controller, which support high speed and full speed USB peripheral.
config USB_PXA_U2O
tristate
depends on USB_GADGET_PXA_U2O
default USB_GADGET
select USB_GADGET_SELECTED
#
# Controllers available in both integrated and discrete versions
#
# musb builds in ../musb along with host support
config USB_GADGET_MUSB_HDRC
boolean "Inventra HDRC USB Peripheral (TI, ADI, ...)"
tristate "Inventra HDRC USB Peripheral (TI, ADI, ...)"
depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG)
select USB_GADGET_DUALSPEED
select USB_GADGET_SELECTED
help
This OTG-capable silicon IP is used in dual designs including
the TI DaVinci, OMAP 243x, OMAP 343x, TUSB 6010, and ADI Blackfin
config USB_GADGET_M66592
boolean "Renesas M66592 USB Peripheral Controller"
config USB_M66592
tristate "Renesas M66592 USB Peripheral Controller"
select USB_GADGET_DUALSPEED
help
M66592 is a discrete USB peripheral controller chip that
@ -412,18 +325,12 @@ config USB_GADGET_M66592
dynamically linked module called "m66592_udc" and force all
gadget drivers to also be dynamically linked.
config USB_M66592
tristate
depends on USB_GADGET_M66592
default USB_GADGET
select USB_GADGET_SELECTED
#
# Controllers available only in discrete form (and all PCI controllers)
#
config USB_GADGET_AMD5536UDC
boolean "AMD5536 UDC"
config USB_AMD5536UDC
tristate "AMD5536 UDC"
depends on PCI
select USB_GADGET_DUALSPEED
help
@ -437,14 +344,8 @@ config USB_GADGET_AMD5536UDC
dynamically linked module called "amd5536udc" and force all
gadget drivers to also be dynamically linked.
config USB_AMD5536UDC
tristate
depends on USB_GADGET_AMD5536UDC
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_FSL_QE
boolean "Freescale QE/CPM USB Device Controller"
config USB_FSL_QE
tristate "Freescale QE/CPM USB Device Controller"
depends on FSL_SOC && (QUICC_ENGINE || CPM)
help
Some of Freescale PowerPC processors have a Full Speed
@ -456,14 +357,8 @@ config USB_GADGET_FSL_QE
Set CONFIG_USB_GADGET to "m" to build this driver as a
dynamically linked module called "fsl_qe_udc".
config USB_FSL_QE
tristate
depends on USB_GADGET_FSL_QE
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_CI13XXX_PCI
boolean "MIPS USB CI13xxx PCI UDC"
config USB_CI13XXX_PCI
tristate "MIPS USB CI13xxx PCI UDC"
depends on PCI
select USB_GADGET_DUALSPEED
help
@ -474,14 +369,8 @@ config USB_GADGET_CI13XXX_PCI
dynamically linked module called "ci13xxx_udc" and force all
gadget drivers to also be dynamically linked.
config USB_CI13XXX_PCI
tristate
depends on USB_GADGET_CI13XXX_PCI
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_NET2272
boolean "PLX NET2272"
config USB_NET2272
tristate "PLX NET2272"
select USB_GADGET_DUALSPEED
help
PLX NET2272 is a USB peripheral controller which supports
@ -493,9 +382,9 @@ config USB_GADGET_NET2272
dynamically linked module called "net2272" and force all
gadget drivers to also be dynamically linked.
config USB_GADGET_NET2272_DMA
config USB_NET2272_DMA
boolean "Support external DMA controller"
depends on USB_GADGET_NET2272
depends on USB_NET2272
help
The NET2272 part can optionally support an external DMA
controller, but your board has to have support in the
@ -503,14 +392,8 @@ config USB_GADGET_NET2272_DMA
If unsure, say "N" here. The driver works fine in PIO mode.
config USB_NET2272
tristate
depends on USB_GADGET_NET2272
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_NET2280
boolean "NetChip 228x"
config USB_NET2280
tristate "NetChip 228x"
depends on PCI
select USB_GADGET_DUALSPEED
help
@ -525,14 +408,8 @@ config USB_GADGET_NET2280
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
select USB_GADGET_SELECTED
config USB_GADGET_GOKU
boolean "Toshiba TC86C001 'Goku-S'"
config USB_GOKU
tristate "Toshiba TC86C001 'Goku-S'"
depends on PCI
help
The Toshiba TC86C001 is a PCI device which includes controllers
@ -545,14 +422,8 @@ config USB_GADGET_GOKU
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
select USB_GADGET_SELECTED
config USB_GADGET_LANGWELL
boolean "Intel Langwell USB Device Controller"
config USB_LANGWELL
tristate "Intel Langwell USB Device Controller"
depends on PCI
select USB_GADGET_DUALSPEED
help
@ -566,14 +437,8 @@ config USB_GADGET_LANGWELL
dynamically linked module called "langwell_udc" and force all
gadget drivers to also be dynamically linked.
config USB_LANGWELL
tristate
depends on USB_GADGET_LANGWELL
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_EG20T
boolean "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
config USB_EG20T
tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
depends on PCI
select USB_GADGET_DUALSPEED
help
@ -594,14 +459,8 @@ config USB_GADGET_EG20T
ML7213 is companion chip for Intel Atom E6xx series.
ML7213 is completely compatible for Intel EG20T PCH.
config USB_EG20T
tristate
depends on USB_GADGET_EG20T
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_CI13XXX_MSM
boolean "MIPS USB CI13xxx for MSM"
config USB_CI13XXX_MSM
tristate "MIPS USB CI13xxx for MSM"
depends on ARCH_MSM
select USB_GADGET_DUALSPEED
select USB_MSM_OTG
@ -617,18 +476,12 @@ config USB_GADGET_CI13XXX_MSM
dynamically linked module called "ci13xxx_msm" and force all
gadget drivers to also be dynamically linked.
config USB_CI13XXX_MSM
tristate
depends on USB_GADGET_CI13XXX_MSM
default USB_GADGET
select USB_GADGET_SELECTED
#
# LAST -- dummy/emulated controller
#
config USB_GADGET_DUMMY_HCD
boolean "Dummy HCD (DEVELOPMENT)"
config USB_DUMMY_HCD
tristate "Dummy HCD (DEVELOPMENT)"
depends on USB=y || (USB=m && USB_GADGET=m)
select USB_GADGET_DUALSPEED
select USB_GADGET_SUPERSPEED
@ -638,11 +491,11 @@ config USB_GADGET_DUMMY_HCD
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.
@ -651,12 +504,6 @@ config USB_GADGET_DUMMY_HCD
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
select USB_GADGET_SELECTED
# NOTE: Please keep dummy_hcd LAST so that "real hardware" appears
# first and will be selected by default.
@ -678,7 +525,7 @@ config USB_GADGET_SUPERSPEED
#
choice
tristate "USB Gadget Drivers"
depends on USB_GADGET && USB_GADGET_SELECTED
depends on USB_GADGET
default USB_ETH
help
A Linux "Gadget Driver" talks to the USB Peripheral Controller

16
drivers/usb/renesas_usbhs/Kconfig
View File

@ -1,16 +0,0 @@
#
# Renesas USB Controller Drivers
#
config USB_RENESAS_USBHS
tristate 'Renesas USBHS controller'
depends on SUPERH || ARCH_SHMOBILE
default n
help
Renesas USBHS is a discrete USB host and peripheral controller chip
that supports both full and high speed USB 2.0 data transfers.
It has nine or more configurable endpoints, and endpoint zero.
Say "y" to link the driver statically, or "m" to build a
dynamically linked module called "renesas_usbhs" and force all
gadget drivers to also be dynamically linked.