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Commit Graph

9 Commits

Author SHA1 Message Date
Kristian Høgsberg
d2746dc192 firewire: Use a buffer fill descriptor for receive when header size is 0.
When the DMA is setup to not strip any headers, we need to use
the buffer fill descriptor instead of the dual buffer, since the
dual buffer descriptor must strip a non-zero number of header quadlets.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:03:01 +01:00
Kristian Høgsberg
b82956685a firewire: Implement functionality to stop isochronous DMA contexts.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:59 +01:00
Kristian Høgsberg
69cdb7268c firewire: Rename 'send_iso' to 'start_iso'.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:59 +01:00
Kristian Høgsberg
295e3feb92 firewire: Implement basic isochronous receive functionality.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:58 +01:00
Kristian Høgsberg
9aad812538 firewire: Split the iso buffer out from fw_iso_context and avoid vmalloc.
This patch splits out the iso buffer so we can initialize it at mmap
time with the size provided in the mmap call.  Furthermore, allocate
the backing pages using alloc_page to avoid setting up kernel side
virtual memory mappings for the pages.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:57 +01:00
Kristian Høgsberg
82eff9db7d firewire: Use dma_mapping_error() for checking for DMA mapping errors.
Pointed out by Pete Zaitcev.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:55 +01:00
Stefan Richter
5e20c28218 firewire: whitespace adjustments
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-03-09 22:02:40 +01:00
Kristian Høgsberg
19a15b937b firewire: Add device probing and sysfs integration.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:33 +01:00
Kristian Høgsberg
3038e353cf firewire: Add core firewire stack.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-03-09 22:02:33 +01:00