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USB device drivers: Add hooks to to use common, external DMA buffer allocation implementation..

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5142 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-09-13 14:14:18 +00:00
parent a033a25dbf
commit f6ca2227e3
144 changed files with 538 additions and 356 deletions
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nuttx/drivers/usbdev/Kconfig
+82 -47
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@@ -3,6 +3,88 @@
# see misc/tools/kconfig-language.txt.
#
menu "Device Controller Driver Options"
config USBDEV_ISOCHRONOUS
bool "Enable isochronous"
default n
---help---
Build in extra support for isochronous endpoints
config USBDEV_DUALSPEED
bool "Enable high and full speed"
default n
---help---
Hardware handles high and full speed operation (USB 2.0)
choice USBDEV_POWERED
prompt "Select USB device powered"
default USBDEV_SELFPOWERED
config USBDEV_SELFPOWERED
bool "Self powered"
---help---
Will cause USB features to indicate that the device is self-powered
config USBDEV_BUSPOWERED
bool "Bus powered"
---help---
Will cause USB features to indicate that the device is self-powered
endchoice
config USBDEV_MAXPOWER
int "Maximum power consumption in mA"
default 100
depends on USBDEV_BUSPOWERED
---help---
Maximum power consumption in mA
config USBDEV_DMA
bool "Enable DMA methods"
default n
---help---
Select this enable DMA-related methods in USB device controller driver
interface. These methods include the DMA buffer allocation methods:
allobuffer() and freebuffer().
The USB class driver allocates packet I/O buffers for data transfer by
calling the driver allocbuffer() and freebuffer() methods. Those methods
are only available if USBDEV_DMA is defined in the system configuration.
config USBDEV_DMAMEMORY
bool "Board DMA Allocation Hooks"
default n
depends on USBDEV_DMA
---help---
The USB class driver allocates packet I/O buffers for data transfer by
calling the driver allocbuffer() and freebuffer() methods. Those methods
are only available if USBDEV_DMA is defined in the system configuration.
If USBDEV_DMAMEMORY is also defined in the NuttX configuration, then
the driver implementations of the allocbuffer() and freebuffer()
methods may use board-specific usbdev_dma_alloc() and usbdev_dma_free().
If USBDEV_DMA and USBDEV_DMAMEMORY are both defined, then the board-
specific logic must provide the functions usbdev_dma_alloc() and
usbdev_dma_free(): usbdev_dma_alloc() will allocate DMA-capable
memory of the specified size; usbdev_dma_free() is the corresponding
function that will be called to free the DMA-capable memory.
config USBDEV_TRACE
bool "Enable USB tracing for debug"
default n
---help---
Enables USB tracing for debug
config USBDEV_TRACE_NRECORDS
int "Number of trace entries to remember"
default 32
depends on USBDEV_TRACE
---help---
Number of trace entries to remember
endmenu
menuconfig USBDEV_COMPOSITE
bool "USB composite device support"
default n
@@ -65,53 +147,6 @@ config COMPOSITE_VERSIONNO
Interface version number.
endif
config USBDEV_ISOCHRONOUS
bool "Enable isochronous"
default n
---help---
Build in extra support for isochronous endpoints
config USBDEV_DUALSPEED
bool "Enable high and full speed"
default n
---help---
Hardware handles high and full speed operation (USB 2.0)
choice USBDEV_POWERED
prompt "Select USB device powered"
default USBDEV_SELFPOWERED
config USBDEV_SELFPOWERED
bool "Self powerd"
---help---
Will cause USB features to indicate that the device is self-powered
config USBDEV_BUSPOWERED
bool "Bus powerd"
---help---
Will cause USB features to indicate that the device is self-powered
endchoice
config USBDEV_MAXPOWER
int "Maximum power consumption in mA"
default 100
depends on USBDEV_BUSPOWERED
---help---
Maximum power consumption in mA
config USBDEV_TRACE
bool "Enable USB tracing for debug"
default n
---help---
Enables USB tracing for debug
config USBDEV_TRACE_NRECORDS
int "Number of trace entries to remember"
default 32
depends on USBDEV_TRACE
---help---
Number of trace entries to remember
menuconfig PL2303
bool "Emulates the Prolific PL2303 serial/USB converter"
default n