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32 Commits

Author SHA1 Message Date
augustss 4f325f2674 Implement what in Intel-speech is known as "bandwidth reclamation". 
It means that we continously poll USB devices that have a pending transfer
instead of polling just once every ms.  This speeds up some transfers
at the expense of using more PCI bandwidth.
 2000-08-13 16:18:09 +00:00
augustss ed9486e158 Bring the coding style into the 80s, i.e., get rid of __P and use 
ANSI prototypes and declarations.
 2000-06-01 14:28:57 +00:00
augustss 30c20f930f Change my email address. 2000-04-27 15:26:44 +00:00
augustss 74beeca710 Move the size of the mapped bus_space region into the bus independent softc. 2000-04-25 09:20:54 +00:00
augustss 9355847b78 Fix typos in comments. 2000-04-06 23:44:20 +00:00
augustss 3fded57690 Rename and move around callout handles to make it more sane. 
Add some DIAGNOSTIC.
Fix buglet in isoc abort on UHCI.
 2000-03-25 18:02:32 +00:00
augustss df8025fec8 Two major changes: 
Make each xfer have its own intr_info.  This is necessary if we want
to queue multiple xfers on an endpoint.  This should get rid of the
(mostly harmless) DIAGNOSTICs about intr_infos (not) being done.

  Change (again!) how xfers are aborted.  Aborting a TD is a nightmare
on the braindead UHCI controller.  (Unless you stop the HC, thereby
losing isoc traffic.)  Hopefully I got it right this time.
 2000-03-24 22:57:58 +00:00
augustss 0069eba19b Some cleanup and renaming of the callouts used in USB drivers. 2000-03-24 22:03:28 +00:00
thorpej fc96443d15 New callout mechanism with two major improvements over the old 
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
  resource allocation.
- Insertion and removal of callouts is constant time, important as
  this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 2000-03-23 07:01:25 +00:00
augustss 009856b631 Save and restore a couple ofregisters in the power hook in case BIOS doesn't. 2000-02-22 16:03:42 +00:00
augustss 57d2439d74 Try to avoid accessing the HC if it is dead. Suggested by mycroft. 2000-01-26 10:04:38 +00:00
augustss f14036861f Turn xfer allocation into a method in the HC driver. The reason is that 
an HC driver may want to subclass the xfer to have additional private fields.
 2000-01-18 20:11:00 +00:00
augustss 1a080201cc Add shutdown hooks to ensure that the host controller is halted when 
a reboot occurs.
 2000-01-16 10:27:51 +00:00
augustss 8111aaeef9 Cosmetics and a couple of diagnostic messages. 1999-12-06 21:06:59 +00:00
augustss 3386c68b46 Cosmetic changes and some small improvements. From FreeBSD and Nick Hibma. 1999-11-18 23:32:25 +00:00
augustss 0d2fabdf26 A number of stylistic changes to increase readability (many suggested 
by Nick Hibma):
	use NULL not 0
	declare all local definitions static
	rename s/usbd_request/usbd_xfer/ s/reqh/xfer/
	rename s/r/err/
	use implicit test for no err
	KNF
 1999-11-12 00:34:57 +00:00
augustss 03a522d3c1 Merge in a large batch of changes from Nick Hibma <hibma@skylink.it> so 
the USB stack compiles on FreeBSD again.
 1999-10-13 08:10:55 +00:00
augustss b14b78dfc9 Deallocate resources (bus space and interrupts) when detaching from 
the bus.
 1999-10-12 11:21:24 +00:00
augustss 7049e8eb1b Add preliminary (untested) code for detaching the USB host controller 
(needed for CardBus based controllers).
 1999-09-15 10:25:30 +00:00
augustss ff6a476e6c Rearrange the code a little so we can decide if we are in process 
or interrupt context in a reliable way.  Mainly used for DIAGNOSTIC.
 1999-09-13 19:18:17 +00:00
augustss 4c217fdaf8 Merge the soft_{td,ed} with the real {td,ed}. This saves time and space. 
(And fix typo in corresponding uhci change.)
 1999-08-22 23:41:00 +00:00
augustss cc8b61583c Merge the soft_{td,qh} with the real {td,qh}. This saves time and space. 1999-08-22 23:19:56 +00:00
augustss f747201099 Move more of the transfer completion processing to HC independent code. 
Fix some problems with transfer abort & timeout.
 1999-08-22 20:12:39 +00:00
augustss 3016e1ebe0 Make some small changes to make it compile on OpenBSD. 1999-08-17 16:06:20 +00:00
augustss b8b1e35ece Some changes from FreeBSD (no functional differences). 1999-08-14 14:49:31 +00:00
augustss 3fd5344a95 Add suspend/resume handling to the UHCI driver. 
Currently it only works if the BIOS saves enough state of the controller.
Once I find a machine with a dumber BIOS I'll try to improve that.
 1999-06-26 08:30:17 +00:00
augustss 4655ae1230 Keep track of vendor id and make sure the vendor string is NUL terminated. 1999-05-20 09:52:35 +00:00
augustss e0c228ae9c Merge changes to make the USB stack work with FreeBSD. The original 
diffs from Nick Hibma <n_hibma@freebsd.org>, but with substantial
changes from me.
XXX Not tested on FreeBSD yet.
 1998-12-26 12:53:00 +00:00
augustss ca707fcdf2 Make the copyright header conform to the NetBSD template. 1998-11-25 22:32:04 +00:00
augustss 4e1976a433 Use PCI class/subclass/interface to match USB host controllers instead 
of vendor/product id.  This makes the probe find more controllers
without recompilation.
 1998-07-26 00:40:59 +00:00
augustss b916de0f86 Add special memory allocation routines that supports allocation 
DMA-able memory in small chunks (USB uses a lot of 8 byte chunks).
Using the bus_dma functions directly is inefficient.
 1998-07-24 21:09:07 +00:00
augustss deb00272b9 Add USB support. Supported so far: 
* UHCI and OHCI host controllers on PCI
* Hubs
* HID devices withe special drivers for mouse and keyboard
* Printers
 1998-07-12 19:51:55 +00:00