uhub.c: revision 1.37
usb.4: revision 1.30
usb.c: revision 1.38
usb.h: revision 1.40
usb_port.h: revision 1.21
usb_subr.c: revision 1.65
usbdi.h: revision 1.40
Split the attach/detach events up into device, driver and controller
attach and detach events.
The commit message from NetBSD was:
date: 2000/02/02 07:34:00; author: augustss; state: Exp;
Change the USB event mechanism to include more information
about devices and drivers. Partly from FreeBSD.
Also rework usbd to take these new event types into account.
usb.c: revision 1.39
revision 1.39
date: 2000/02/22 11:30:56; author: augustss; lines: +7 -1
Prepare a little for having USB interrupt processing done
outside the hard interrupt level (in a thread or a softintr).
No real soft processing done yet.
usb.c: revision 1.41
revision 1.41
date: 2000/03/16 00:46:38; author: augustss; lines: +2 -2
Make the USB event queue longer. Mine overflows before the
(user-land) event handler has started. But then I have
about 25 devices connected. :)
usb.c: -r1.35 - 1.37
usb_port.h: tiny bit of -r1.26 + an extra bit in the FreeBSD config section.
revision 1.37
date: 2000/01/24 18:35:51; author: thorpej; state: Exp; lines: +7 -1
Use config_pending.
----------------------------
revision 1.36
date: 1999/12/22 23:54:09; author: augustss; state: Exp; lines: +2 -2
Use the flags `locator' to govern if devices are detected early or
late during cold boot.
----------------------------
revision 1.35
date: 1999/12/20 02:12:23; author: augustss; state: Exp; lines: +8 -5
Make sure tsleep() is not called during cold boot.
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.
Sorry john! (your next MFC will be a doosie!)
Reviewed by: peter@freebsd.org, dillon@freebsd.org
X-MFC after: ha ha ha ha
that device add/remove will work without usbd running. usbd is still
used for execing stuff, but that is all now. Ideally it could be replaced
by a devd some day. Until now, usbd had to be running so that the
USB_DISCOVER ioctl could be called to walk the tree when an attachment
status change was noticed.
Among the changes:
- when a detach happens, remove any pending 'attach' messages or the system
suffers from whiplash from exec moused / kill moused loops if you do lots
of attach/detach and later start usbd.
- tweaks related to kthread differences
- disable the select handler for the old interface (never return success).
I have not removed it yet or old usbd's will abort. That can get removed
later once usbd is cleaned up and things have stabilized for a few weeks.
- get Giant in the kthread.
- a couple of minor potential bug fixes (usb_nevents vs malloc failure etc)
Pre-approved by: n_hibma (ages and ages ago)
other "system" header files.
Also help the deprecation of lockmgr.h by making it a sub-include of
sys/lock.h and removing sys/lockmgr.h form kernel .c files.
Sort sys/*.h includes where possible in affected files.
OK'ed by: bde (with reservations)
modules to depend on modules in the same file (uhub depends on usb) or
even on themselves (usb on usb, makes the define in usb_port.h a lot
less convoluted).
Use ANSI prototypes.
ums driver (mouse) and get the usb driver at the same time.
This also shows that
MODULE_VERSION(usb, 1);
MODULE_DEPEND(usb, usb, 1, 1, 1);
in the same module in one source file works.
methods for USB devices.
However: with none of the devices I have here suspend seems to work
properly. This is probably a bug in uhci_power which I still have to
look at.
Prodded and pushed by: Christopher Masto <chris@netmonger.net>
by identifying the version in the PCI drivers.
The OHCI driver just presets this to 1.0 as it is not specified in the
PCI registers anywhere. This should be revisited once USB 2.0 is in
wide spread use.
Cleaning up the code:
- Declare many functions static
- Change variable names to make them more self explanatory
- Change usbd_request_handle -> usbd_xfer_handle
- Syntactical changes
- Remove some unused code
- Other KNF changes
Interrupt context handling
- Change delay to usbd_delay_ms were possible (takes polling mode into
account)
- Change detection mechanism for interrupt context
Add support for pre-allocation DMA-able memory by device driver
Add preliminary support for isochronous to the UHCI driver (not for OHCI
yet).
usb.c, uhci.c, ohci.c
- Initial attempt at detachable USB host controllers
- Handle the use_polling flag with a lttle more care and only set it if
we are cold booting.
usb.c, uhci.c ohci.c, usbdi.c usbdi_util.c usb_subr.c
- Make sure an aborted pipe is marked as not running.
- Start queued request in the right order.
- Insert some more DIAGNOSTIC sanity checks.
- Remove (almost) unused definitions USBD_XFER_OUT and USBD_XFER_IN.
usb.c, usb_subr.c
- Add an event mechanism so that a userland process can watch devices
come and go.
ohci.c
- Handle the case when a USB transfer is so long that it crosses two
page (4K) boundaries. OHCI cannot do that with a single TD so we make
a chain.
ulpt.c
- Use a bigger buffer when transferring data.
- Pre-allocate the DMA buffer. This makes the driver slightly more
efficient.
- Comment out the GET_DEVICE_ID code, because for some unknown reason it
causes printing to fail sometimes.
usb.h
- Add a macro to extract the isoc type.
- Add a macro to check whether the routine has been entered after splusb
and if not, complain.
usbdi.c
- Fix a glitch in dequeueing and aborting requests on interrupt pipes.
- Add a flag in the request to determine if the data copying is done by
the driver or the usbdi layer.
- Some cleanup and improvements in the uhci and ohci drivers
- Support for plugging and unplugging devices improved
- Now available is bulk transport over OHCI controllers
- Resume and suspend have been temporarily been disabled again. Proper
support for it is available in the uhci.c and ohci.c files but I have
not yet spent the brain cycles to use it.
- OpenBSD now uses the USB stack as well
- Add FreeBSD tags
have been there in the first place. A GENERIC kernel shrinks almost 1k.
Add a slightly different safetybelt under nostop for tty drivers.
Add some missing FreeBSD tags
Reformat and initialize correctly all "struct cdevsw".
Initialize the d_maj and d_bmaj fields.
The d_reset field was not removed, although it is never used.
I used a program to do most of this, so all the files now use the
same consistent format. Please keep it that way.
Vinum and i4b not modified, patches emailed to respective authors.
i386 platform boots, it is no longer ISA-centric, and is fully dynamic.
Most old drivers compile and run without modification via 'compatability
shims' to enable a smoother transition. eisa, isapnp and pccard* are
not yet using the new resource manager. Once fully converted, all drivers
will be loadable, including PCI and ISA.
(Some other changes appear to have snuck in, including a port of Soren's
ATA driver to the Alpha. Soren, back this out if you need to.)
This is a checkpoint of work-in-progress, but is quite functional.
The bulk of the work was done over the last few years by Doug Rabson and
Garrett Wollman.
Approved by: core
2) create function usbd_errstr which turns a usbd_status into a sensible
error message
3) Change the printf in DPRINTF to logprintf which is a define for
log(KERN_DEBUG, x)
