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13 Commits

Author SHA1 Message Date
thorpej
335b799580 atastart() (called only at splbio(), and from interrupts) can change 
drive_flags, to make sure all drive_flags manipulations are done at
splbio().
 2004-08-21 00:28:34 +00:00
thorpej
9cc521a148 Move most of wdc_softc into a new atac_softc structure that contains 
info common to all types of ATA controllers.
 2004-08-20 06:39:37 +00:00
thorpej
1600c8b8cd - Add and use a CHAN_TO_WDC() macro to get the wdc_softc from an 
ata_channel.
- Add and use a CHAN_TO_WDC_REGS() macro to get the wdc_regs from an
  ata_channel.
- Add and use a CHAN_TO_PCIIDE() macro to get the pciide_softc from an
  ata_channel.
- Add and use a CHAN_TO_PCHAN() macro to get the pciide_channel from an
  ata_channel.  (This one just hides a cast, and is really just for
  consistency with the others.)
 2004-08-19 23:25:35 +00:00
thorpej
4b51cecfc2 - Split the register handles out of struct wdc_channel into a separate 
wdc_regs structure, and array of which (indexed per channel) is pointed
  to by struct wdc_softc.
- Move the resulting wdc_channel structure to atavar.h and rename it to
  ata_channel.  Rename the corresponding flags.
- Add a "ch_ndrive" member to struct ata_channel, which indicates the
  maximum number of drives that can be present on the channel.  For now,
  this is always 2.  Add an ATA_MAXDRIVES constant that places an upper
  limit on this value, also currently 2.
 2004-08-14 15:08:04 +00:00
thorpej
46f4277564 WDCDEBUG -> ATADEBUG. 2004-08-13 04:10:49 +00:00
thorpej
ab20886f7b Don't bother with bits that tell of the presence of optional callbacks; 
just check the function pointers for NULL.
 2004-08-13 03:12:59 +00:00
mycroft
910fe04a63 Add the SiS 741, per PR 26394. 2004-07-21 16:40:50 +00:00
skd
98e8625653 Added initial support for SIS 180 SATA controller. Patterned after 
VIA 8237 support.
 2004-04-22 11:30:04 +00:00
thorpej
a963286f8d More wdc_channel structure member namespace cleanup: 
- channel -> ch_channel
- wdc -> ch_wdc
 2004-01-03 22:56:52 +00:00
thorpej
5bd80d8373 Rename "struct channel_softc" to "struct wdc_channel". 2004-01-03 01:50:52 +00:00
fvdl
6242a54566 There are some cards that map the ATA control and IDE DMA registers 
in a different fashion. Individually, they have the same functionality,
but their layout is different. An example of such a chipset is
the Promise 203xx.

To be able to deal with this, transform the cmd and dma bus_space handles
into an array of handles, each seperately created with bus_space_subregion.
The code generated by using the extra indirection shouldn't change much,
since the extra indirection is negated by having the offset calculation
already done in bus_space_subregion. E.g.

	bus_space_write_4(tag, handle, offset, value)

becomes

	bus_space_write_4(tag, handles[offset], 0, value)

Reviewed by Manuel Bouyer. Tested on wdc_isa, wdc_pcmcia, viaide, piixide (i386)
and on cmdide (sparc64).
 2003-11-27 23:02:40 +00:00
thorpej
36e9866d7b Cosmetic changes: 
- Use static to unexport symbols that don't need to be exported.
- ANSI'ify.
- Some whitespace nits.
 2003-10-11 17:40:15 +00:00
bouyer
9d02ccdbdf Split pciide in per-chip family driver, as proposed in 
http://mail-index.netbsd.org/tech-kern/2003/09/25/0007.html
We now have:
acardide*       at pci? dev ? function ?        # Acard IDE controllers
aceride*        at pci? dev ? function ?        # Acer Lab IDE controllers
cmdide*         at pci? dev ? function ?        # CMD tech IDE controllers
cypide*         at pci? dev ? function ?        # Cypress IDE controllers
hptide*         at pci? dev ? function ?        # Triones/HighPoint IDE controllers
optiide*        at pci? dev ? function ?        # Opti IDE controllers
piixide*        at pci? dev ? function ?        # Intel IDE controllers
pdcide*         at pci? dev ? function ?        # Promise IDE controllers
siside*         at pci? dev ? function ?        # SiS IDE controllers
slide*          at pci? dev ? function ?        # Symphony Labs IDE controllers
viaide*         at pci? dev ? function ?        # VIA/AMD/Nvidia IDE controllers
pciide*         at pci? dev ? function ? flags 0x0000   # GENERIC pciide driver

serverworks driver not commited yet; there are still copyright issues about
it.
 2003-10-08 11:51:59 +00:00