Commit Graph

14 Commits

Author SHA1 Message Date
hselasky
7076389cec Implement better support for USB controller suspend and resume.
This patch should remove the need for kldunload of USB
controller drivers at suspend and kldload of USB controller
drivers at resume.

This patch also fixes some build issues in avr32dci.c

MFC after:	2 weeks
2011-12-14 00:28:54 +00:00
hselasky
5847c51483 Revert most of r197682 (EHCI Hardware BUG workaround). Implement
proper solution which is to not use the TERMINATE pointer, but rather
link to a halted TD. The initial fix was due to a misunderstanding
about how the EHCI hardware works. Thanks to Alan Stern for clearing
this up. This patch can increase mass storage read performance
significantly when the IRQ rate is less than 8000 IRQ/s.

Approved by:    thompsa (mentor)
2010-10-14 21:38:06 +00:00
joel
9fc9548250 The NetBSD Foundation has granted permission to remove clause 3 and 4 from
their software.

Obtained from:	NetBSD
2010-03-03 10:18:03 +00:00
thompsa
34990e2817 Disable the use of the IAAD usb doorbell on NVidia controllers as it can cause
the hardware to stall.

Submitted by:	Hans Petter Selasky
2010-02-09 00:38:40 +00:00
thompsa
138b1174a6 Integrate lost interrupts patch from the old USB stack.
Some EHCI chips from VIA / ATI seem to trigger interrupts before writing back
the qTD status, or miss signalling occasionally under heavy load.  If the host
machine is too fast, we can miss transaction completion - when we scan the
active list the transaction still seems to be active. This generally exhibits
itself as a umass stall that never recovers.

We work around this behaviour by setting up this callback after any softintr
that completes with transactions still pending, giving us another chance to
check for completion after the writeback has taken place

Submitted by:	Alexander Nedotsuko
MFC after:	3 days
2009-11-08 20:51:15 +00:00
thompsa
9ffd1abaff Workaround buggy BIOS code in USB regard. By doing the BIOS to OS handover for
all host controllers at the same time, we avoid problems where the BIOS will
actually write to the USB registers of all the USB host controllers every time
we handover one of them, and consequently reset the OS programmed values.

Submitted by:	avg
Reviewed by:	jhb
2009-10-15 20:07:08 +00:00
thompsa
44c17bdf07 s/usb2_/usb_/ on all typedefs for the USB stack. 2009-05-29 18:46:57 +00:00
thompsa
af6fb4f3d2 s/usb2_/usb_/ on all C structs for the USB stack. 2009-05-28 17:36:36 +00:00
thompsa
d07d36e872 MFp4 //depot/projects/usb@160930
Change the roothub exec functions to take the usb request and data pointers
directly rather than placing them on the parent bus struct.

Submitted by:	Hans Petter Selasky
2009-04-22 17:08:16 +00:00
thompsa
bc1f34ac24 Provide a better commit log for r190735, forced by making a whitespace change.
Refactor how we interface with the root HUB. This is achieved by making a
direct call from usb2_do_request to the host controller for root hub requests,
this call will perform the controller specific register read/writes and return
the error code.

This cuts out a lot of code in the host controller files and saves one thread
per USB bus.

Submitted by:	Hans Petter Selasky
2009-04-06 00:22:49 +00:00
thompsa
d21a622bba MFp4 //depot/projects/usb@159922
Refactor how we interface with the root HUB. This cuts around 1200 lines of
code totally and saves one thread per USB bus.

Submitted by:	Hans Petter Selasky
2009-04-05 18:20:49 +00:00
thompsa
5dee97ce86 MFp4 //depot/projects/usb @159430
- Move tunable defines into usb_core.h and dependancy towards usb_defs.h
- Leave hardcoded defines in "usb_defs.h".
- Allow overriding all tunable defines.
- Add more customisable typedefs.
- Correct maximum device number.

Submitted by:	Hans Petter Selasky
2009-03-20 19:04:31 +00:00
thompsa
8a86b9dde5 (re)merge r186415,186416 from the old usb stack;
o add Transaction Translator support (still missing ISOC xfers)
o add EHCI_SCFLG_BIGEMMIO flag to force big-endian byte-select to be
  set in USBMODE
o split reset work into new public routine ehci_reset so bus shim drivers
  can force big-endian byte-select before ehci_init
o enable TT and big-endian MMIO
o force a reset before ehci_init to get byte-select setup

Also go back to using USB_EHCI_BIG_ENDIAN_DESC at compile time to enable the
byteswapping and reduce diffs to the original commits.

This fixes the new USB stack on the Cambria board.
2009-03-07 19:49:47 +00:00
thompsa
111a707d99 Move the new USB stack into its new home. 2009-02-23 18:31:00 +00:00