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* Editing a bunch of drivers' thread routines in order to
implement a new feature is tedious.
* No matter the number of storage drivers, they share one thread.
No extra threads needed for CONFIG_STORAGE_MULTI.
* Each has an event callback called by the storage thread.
* A default callback is provided to fake sleeping in order to
trigger idle callbacks. It could also do other default processing.
Changes to it will be part of driver code without editing each
one.
* Drivers may sleep and wake as they please as long as they give
a low pulse on their storage bit to ask to go into sleep mode.
Idle callback is called on its behalf and driver immediately put
into sleep mode.
* Drivers may indicate they are to continue receiving events in
USB mode, otherwise they receve nothing until disconnect (they
do receive SYS_USB_DISCONNECTED no matter what).
* Rework a few things to keep the callback implementation sane
and maintainable. ata.c was dreadful with all those bools; make
it a state machine and easier to follow. Remove last_user_activity;
it has no purpose that isn't served by keeping the disk active
through last_disk_activity instead.
* Even-out stack sizes partly because of a lack of a decent place
to define them by driver or SoC or whatever; it doesn't seem too
critical to do that anyway. Many are simply too large while at
least one isn't really adequate. They may be individually
overridden if necessary (figure out where). The thread uses the
greatest size demanded. Newer file code is much more frugal with
stack space. I barely see use crack 50% after idle callbacks
(usually mid-40s). Card insert/eject doesn't demand much.
* No forcing of idle callbacks. If it isn't necessary for one or
more non-disk storage types, it really isn't any more necessary for
disk storage. Besides, it makes the whole thing easier to implement.
Change-Id: Id30c284d82a8af66e47f2cfe104c52cbd8aa7215
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Many includes of fat.h are pointless. Some includes are just for
SECTOR_SIZE. Add a file 'firmware/include/fs_defines.h' for that
and to define tuneable values that were scattered amongst various
headers.
Remove some local definitions of SECTOR_SIZE since they have to be
in agreement with the rest of the fs code anyway.
(We'll see what's in fact pointless in a moment ;)
Change-Id: I9ba183bf58bd87f5c45eba7bd675c7e2c1c18ed5
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Change-Id: I9c1825296a788587b8d494d8514b3314847b0ff0
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When using variadic macros there's no need for IF_MD2/IF_MV2 to deal
with function parameters. IF_MD/IF_MV are enough.
Throw in IF_MD_DRV/ID_MV_VOL that return the parameter if MD/MV, or 0
if not.
Change-Id: I7605e6039f3be19cb47110c84dcb3c5516f2c3eb
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The buflib memory allocator is handle based and can free and
compact, move or resize memory on demand. This allows to effeciently
allocate memory dynamically without an MMU, by avoiding fragmentation
through memory compaction.
This patch adds the buflib library to the core, along with
convinience wrappers to omit the context parameter. Compaction is
not yet enabled, but will be in a later patch. Therefore, this acts as a
replacement for buffer_alloc/buffer_get_buffer() with the benifit of a debug
menu.
See buflib.h for some API documentation.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30380 a1c6a512-1295-4272-9138-f99709370657
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Nano 2G shutdown code rework (FS#10668)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23057 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22845 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22763 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22729 a1c6a512-1295-4272-9138-f99709370657
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(78x, MLC) and M200 (77x, SLC).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22284 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21933 a1c6a512-1295-4272-9138-f99709370657
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After a discussion mixed on mailing list and irc, it was agreed that
more abstraction for plugins is better (so developers don't have to add
a check to HAVE_DISK_STORAGE when writing disk-specific code)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21923 a1c6a512-1295-4272-9138-f99709370657
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storage_sleep, storage_spin, storage_spindown are only defined if #defiend (HAVE_DISK_STORAGE), not for MMC/ATA/SD
remove already unneeded nand_disk_is_active, nand_soft_reset
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21912 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21748 a1c6a512-1295-4272-9138-f99709370657
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certain users.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21485 a1c6a512-1295-4272-9138-f99709370657
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spotting the obvious error that caused this to crash until now). Fixes the D2 'delay before playback starts' bug.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21465 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21463 a1c6a512-1295-4272-9138-f99709370657
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mentioned in the Samsung NAND datasheet. Add this to the nand_id struct, so that it can be runtime detected (required for some D2s to boot). Use the struct directly instead of making a local copy, and format the nand_info table to 80 columns.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20186 a1c6a512-1295-4272-9138-f99709370657
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required for M200/DAX, but an improvement is evident nonetheless. LPT buffers are now buffer_alloc'd after determining the required size, so most targets should also see a healthy reduction in RAM usage.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19118 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18975 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18965 a1c6a512-1295-4272-9138-f99709370657
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that, it also introduces sd_*, nand_*, and mmc_*.
This should be a good first step to allow multi-driver targets, like the Elio (ATA/SD), or the D2 (NAND/SD).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18960 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18725 a1c6a512-1295-4272-9138-f99709370657
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and add a note about LPT blocks. No functional changes.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18440 a1c6a512-1295-4272-9138-f99709370657
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quite an advanced stage, but is troubled by the lack of a reliable NAND driver (similar to the Cowon D2 port) and is not yet suitable for non-developers.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18435 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18064 a1c6a512-1295-4272-9138-f99709370657
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introduced in r18052.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18063 a1c6a512-1295-4272-9138-f99709370657
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work-in-progress stuff and does not yet work fully on 77x, but it's a step in the right direction. Also replace some magic numbers with #defines.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18019 a1c6a512-1295-4272-9138-f99709370657
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