support this feature. This avoids multiple crashes that I've had in the
past. Also ensure that packets are not empty when DIAGNOSTIC is set.
However, this is just another sanity check of the received packets, but
does not address the real problem. The issue seems to be the following:
if the card receives data while doing a reset (vr_init), it later finds
a bunch of empty packets in the receive ring.
This explains the crashes I've hit: running a program which needs
promiscuous mode (dhclient) while the card was already running in
that mode (tcpdump). In this situation, it's easy that the second
reset receives stuff from the network.
Unfortunately, I don't know why the card is producing these packets...
While here, fix a typo in a comment.
Make the transmit section reserve one descriptor for issuing a
command at all times. If either transmit descriptors run out, or
header/buffer software descriptors run out, set IFF_OACTIVE and
get out of ipw_start, rather than re-using a descriptor or trying
to use a NULL descriptor that comes off the front of an empty
descriptor tailqueue.
This ought to fix port-i386/27439 and kern/28683.
- fix a panic in mach64_alloc_screen()
- some cleanup
- restrict mach64_mmap() to addresses which belong to it
- mach64_attach now prints bus addresses instead of kernel vm addresses
- initial support for macppc
(violating the PC Card spec), so... use the "power cycle" socket event to
determine when we've reached Vcc before proceeding, rather than using a fixed
amount of time. This has the double advantage that it makes the card attach
time even shorter on sane systems -- the minimum is now ~38ms on my i8500
rather than 222ms.
Probably a similar change should be made to pcic, but it was hard enough
figuring out whether it would work with pccbb. The chip specs suck.
For now, I'm leaving in a couple of additional printf()s in the hope that I
will get some interesting data from them.
style fixes
* Don't associate a name with the types
* The function type must be declared on a line by itself
preceding the function.
* DO NOT initialize variables in the declarations.
* No parentheses are needed around the return value.
IXP-200 and family motherboard chips. Its functional for both recording and
playback.
Note that quadraphonic and Dolby 5.1 audio are not tested by me but ought
to work fine. I can set the number of channels etc. OK but i can't listen
to the result. Any feedback on this performance would be greatly
apreciated.
audio framework
Summary of changes:
* struct audio_params
- remove sw_code, factor, factor_denom, hw_sample_rate,
hw_encoding ,hw_precision, and hw_channels. Conversion information
is conveyed by stream_filter_list_t.
- change the type of sample_rate: u_long -> u_int
- add `validbits,' which represents the valid data size in
precision bits. It is required in order to distinguish 24/32bit
from 24/24bit or 32/32bit.
* audio_hw_if
- add two parameters to set_params()
stream_filter_list_t *pfil, stream_filter_list *rfil
A HW driver should set filter recipes for requested formats
- constify audio_params parameters of trigger_output() and
trigger_input(). They represent audio formats for the hardware.
- make open() and close() optional
- add int (AUMODE_PLAY or AUMODE_RECORD) and audio_params_t parameters
to round_blocksize()
* sw_code is replaced with stream_filter_t.
stream_filer_t converts audio data in an input buffer and writes
into another output buffer unlike sw_code, which converts data in
single buffer.
converters in dev/auconv.c, dev/mulaw.c, dev/aurateconv.c,
dev/tc/bba.c, dev/ic/msm6258.c, and arch/arm/iomd/vidcaudio.c are
reimplemented as stream_filter_t
* MI audio
- audiosetinfo() builds filter pipelines from stream_filter_list_t
filled by audio_hw_if::set_params()
- audiosetinfo() returns with EINVAL if mmapped and set_params()
requests filters
- audio_write(), audio_pint(), and audio_rint() invoke a filter
pipeline.
- ioctl() for FIONREAD, AUDIO_WSEEK, AUDIO_GETIOFFS,
AUDIO_GETOOFFS, and audio_prinfo::{seek,samples} for
AUDIO_GETINFO handle values for a buffer nearest to userland.
* add `struct device *' parameter to ac97_attach()
* all of audio HW drivers follow audio_hw_if and ac97 changes
bus-independent backend, with PCI and CardBus attachment code.
The committed code has two serious bugs:
1. The driver makes no attempt to recover resources when a (Cardbus)
instance is removed; bus resources are leaked.
2. In testing with a NetGear GA-511, the Cardbus card never responded
to a reset/wakeup if the card is powered down after attachment.
So for now, leave cardbus instances powered up at attachment
(insertion, or at boot if a card is already present).
That aside, it acutally works on my GA-511. Committed as-is despite
the bugs, after repeated requests to make the code available for
further testing. Also requires sys/dev/mii/miidevs rev 1.54 -> 1.55,
and consequent regen of miidevs{,_data}.h.
in the wanted bus_dma space. If an allocation fails during operation
(i.e. when hotplugging an umass device), fall back to using the reserve.
The amount can be configured as USB_MEM_RESERVE. The default value is
256k.
Ideally, there would be a way to steal pages in the desired area from
UVM, but that's far more complicated, and this is not intrusive, plus
it works.
attach time the way Linux does it. Reported and tested by Jonathan
Schleifer, I checked it didn't break my own 7012 device which doesn't need
that manipulation.
reviewed by christos@, cube@ and martin@.
While here, remove a printf() in mpu_attach() (ic/mpu.c) to remove
an empty line in some frontends (mpu_isa.c, etc).
attempt to map the I/O BAR if it is 0. This will have the side-effect
of causing the wm_reset() routine to fall back to memory BAR accesses
for those chips on which it would attempt I/O BAR accesses for the reset.
Also update the comments about why we attempt the I/O BAR accesses for
the reset in favor of the memory BAR accesses.
make sure that the pullup was done into trailing space at the end of
the existing first-mbuf-in-chain. If not, log an error and drop the
packet, because the mbuf chain no longer corresponds to the DMA map,
and we are already committed to transmitting the packet.
jmcneill