Commit graph

5 commits

Author SHA1 Message Date
Rafaël Carré
c7e83bd017 Sansa AMS : use SD controller status to notify end of data transfer
Retry blocks transfer if a problem happened
Remove unneeded blocking API from DMA code

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19714 a1c6a512-1295-4272-9138-f99709370657
2009-01-08 08:27:42 +00:00
Rafaël Carré
e97191faa7 Sansa AMS: Disable DMA clocks when not in use
Add dma_retain() and dma_release() to reference count the users

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19344 a1c6a512-1295-4272-9138-f99709370657
2008-12-04 22:54:06 +00:00
Rafaël Carré
1ab08e6879 Sansa AMS: updates DMA API
* Adds a callback to be called on end of transfer
* Add a function to disable a channel
* Services the 2 channels if both are active in the isr

SD driver: panics on error

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19333 a1c6a512-1295-4272-9138-f99709370657
2008-12-04 20:48:19 +00:00
Rafaël Carré
a39e4e9962 Sansa AMS: use non-busy wakeup to signal end of DMA transfer
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19233 a1c6a512-1295-4272-9138-f99709370657
2008-11-26 16:02:00 +00:00
Rafaël Carré
c1f90b1881 Sansa AMS: Use DMA for SD transfers (read and write)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19211 a1c6a512-1295-4272-9138-f99709370657
2008-11-25 13:38:32 +00:00