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  1. 18 Jun, 2010 1 commit
  3. 25 May, 2010 1 commit
    • Tejun Heo's avatar
      libata-sff: make BMDMA optional · 9a7780c9
      Tejun Heo authored 
      Make BMDMA optional depending on new config variable CONFIG_ATA_BMDMA.
In Kconfig, drivers are grouped into five groups - non-SFF native, SFF
w/ custom DMA interface, SFF w/ BMDMA, PIO-only SFF, and generic
fallback / legacy ones.  Kconfig and Makefile are reorganized
according to the groups and ordered alphabetically inside each group.

ata_ioports.bmdma_addr and ata_port.bmdma_prd[_dma] are put into
CONFIG_ATA_BMDMA, as are all bmdma related ops, variables and
functions.

This increase the binary size slightly when BMDMA is enabled but on
both native-only and PIO-only configurations the size is slightly
reduced.  Either way, the size difference is insignificant.  This
change is more meaningful to signify the separation between SFF and
BMDMA and as a tool to verify the separation.
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
      9a7780c9
  5. 14 May, 2010 2 commits
  7. 09 Dec, 2009 1 commit
  9. 03 Dec, 2009 1 commit
  11. 17 Sep, 2009 1 commit
  13. 01 Sep, 2009 1 commit
  15. 23 Jun, 2009 1 commit
  17. 31 May, 2009 1 commit
  19. 16 Jan, 2009 1 commit
  21. 06 May, 2008 1 commit
  23. 29 Apr, 2008 1 commit
  25. 17 Apr, 2008 2 commits
    • Tejun Heo's avatar
      libata: make PMP support optional · 88fcd562
      Tejun Heo authored 
      Make PMP support optional by adding CONFIG_SATA_PMP and leaving out
libata-pmp.c if it isn't set.  PMP helpers return constant values if
PMP support is not enabled and PMP declarations alias non-PMP
counterparts.  This makes the compiler to leave out PMP related part
out and LLDs to use non-PMP counterparts automatically.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
      88fcd562
    • Tejun Heo's avatar
      libata: make SFF support optional · 127102ae
      Tejun Heo authored 
      Now that SFF support is completely separated out from the core layer,
it can be made optional.  Add CONFIG_ATA_SFF and let SFF drivers
depend on it.  If CONFIG_ATA_SFF isn't set, all codes in libata-sff.c
and data structures for SFF support are disabled.  This saves good
number of bytes for small systems.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
      127102ae
  27. 11 Mar, 2008 1 commit
  29. 23 Jan, 2008 1 commit
  31. 15 Jan, 2008 1 commit
  33. 18 Oct, 2007 1 commit
  35. 15 Oct, 2007 1 commit
  37. 12 Oct, 2007 5 commits
    • Alan Cox's avatar
      pata_acpi: ACPI driver support · 025621f9
      Alan Cox authored 
      	On a cable there may be
	eighty wires or perhaps forty
	and we learn about its type
	In the world of ACPI

	So we call the GTM
	And we find the the timing rate
	And we look through it to see
	If eighty wire it must be

	Timing lives in ACPI routines
	ACPI routines, ACPI routines
	Timing lives in ACPI routines
	ACPI routes ACPI routines

	And the drivers last you see
	Picking up unknown pci ids
	and the code begins to work

	Timing lives in ACPI routines
	ACPI routines, ACPI routines
	Timing lives in ACPI routines
	ACPI routes ACPI routines

	[Full speed ahead, Mr Hacker, full speed ahead]
	 Full speed over here sir!
	 Checking Cable, checking cable
	 Aye aye, 80 wire,
	 Heaven heaven]

	If we use ACPI (ACPI)
	Every box (every box) has all we need (has all we need)
	Cable type (cable type) and mode timing (mode timing)
	In our ATA (in our ATA) subroutines (subroutines, ha ha)

	Timing lives in ACPI routines
	ACPI routines, ACPI routines
	Timing lives in ACPI routines
	ACPI routes ACPI routines
	Timing lives in ACPI routines
	ACPI routines, ACPI routines
	Timing lives in ACPI routines
	ACPI routes ACPI routines
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      025621f9
    • Tejun Heo's avatar
      libata-pmp: implement Port Multiplier support · 3af9a77a
      Tejun Heo authored 
      Implement Port Multiplier support.  To support PMP, a LLDD has to
supply ops->pmp_read() and pmp_write().  If non-null, ->pmp_attach and
->pmp_detach are called on PMP attach and detach, respectively.

->pmp_read/write() can be called while the port is frozen, so they
must be implemented by polling.  This patch supplies several helpers
to ease ->pmp_read/write() implementation.

Also, irq_handler and error_handler must be PMP aware.  Most of PMP
aware EH can be done by calling ata_pmp_do_eh() with appropriate
methods.  PMP EH uses separate set of reset methods and this patch
implements standard prereset, hardreset and postreset methods.

This patch only implements PMP support.  The next patch will integrate
PMP into the reset of libata and thus enable PMP support.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      3af9a77a
    • Alan Cox's avatar
      pata_ns87415: Initial cut at 87415/87560 IDE support · c4b5b7b6
      Alan Cox authored 
      Signed-off-by: default avatarAlan Cox <alan@redhat.com>
[plus SuperIO fixes by Kyle McMartin]
[plus a cleanup from me]
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      c4b5b7b6
    • Kristoffer Nyborg Gregertsen's avatar
      AVR32 PATA driver · 7c9ef8e4
      Kristoffer Nyborg Gregertsen authored 
      Updated and simplified driver. Use only register transfer timing for both
data and register transfers. This gives poorer performance in PIO1 and 2,
but should not be a problem in PIO3 and 4, correct me if I'm wrong :)

The driver works very we'll but I still wonder about the interrupts. I have
an interrupt line, that works nicely when POLLING flag is not set. The
problem is the number of interrupts that eat away my CPU cycles.

When using the POLLING flag there seem to be some interrupts that dosen't get
cleared. Furthermore the device dosen't drive INTRQ high, it stays at 2.5 volts
and generates a lot of interrupts due to ripple / noise. What to do?
Signed-off-by: default avatarKristoffer Nyborg Gregertsen <kngregertsen@norway.atmel.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      7c9ef8e4
    • Sonic Zhang's avatar
      libata driver for bf548 on chip ATAPI controller. · d830d173
      Sonic Zhang authored 
      Fix all issues pointed out in Jeff's email.
Acked-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      d830d173
  39. 11 May, 2007 1 commit
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  57. 29 Aug, 2006 1 commit
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