diff --git a/share/man/man4/pcic.4 b/share/man/man4/pcic.4 index 02b4119f80a0..b7beb6b6ee87 100644 --- a/share/man/man4/pcic.4 +++ b/share/man/man4/pcic.4 @@ -32,27 +32,20 @@ .Nd pccard bridge driver .Sh SYNOPSIS .Cd device pcic -.Cd device card +.Cd device pccard .Sh DESCRIPTION The .Nm -driver controls the pccard subsystem. +driver provides support for older ISA and non-Yenta PCI PC Card birdges. The .Nm driver supports most .Tn ExCA -devices attached to either +devices attached to the .Tn ISA -or +bus or .Tn PCI -bus. -The -.Nm -driver does not support the so-called TCIC controllers made by -Databook. -Nor does it support the MECIA chipset found in some early PC98 -NOTE PC machines. -The mecia driver now supports that bridge. +devices that do not conform to the Yenta specification. .Pp The following .Tn ISA @@ -92,151 +85,20 @@ control system. .Tn IBM clone of the original i82365SL part, with its own ID register value. Has no 3.3V ability. -.It IBM KING -A strange clone of i82365SL. -This part has many restrictions not found in the i82365SL, plus some -strange power control. -It has not been tested in ages, but is believed to work. -Its use is believed to be confined to model of ISA card, available -only in Japan. .El .Pp Many other vendors made parts in this arena, but most of them were compatible with one of the above chipsets. .Pp -The following PCI cardbus and pcmcia bridges are supported: +The following PCI pcmcia bridges are supported: .Pp .Bl -tag -width "Intel i82365SL Step A" -compact .It Cirrus Logic PD6729 .It Cirrus Logic PD6730 -These two might be broken at the moment. -.It Cirrus Logic PD6832 -.It Cirrus Logic PD6833 .Pp .It O2micro OZ6729 .It O2micro OZ6730 -.It O2micro OZ6812 -.It O2micro OZ6832 -.It O2micro OZ6833 -.It O2micro OZ6836 -.It O2micro OZ6860 -.It O2micro OZ6872 -O2 Micro chips may be poorly supported because the author does not -have good access to machines with one of these bridges in it. .Pp -.It Ricoh RL4C475 -.It Ricoh RL4C476 -.It Ricoh RL4C477 -.It Ricoh RL4C478 -.Pp -.It TI PCI-1031 -.It TI PCI-1130 -.It TI PCI-1131 -.It TI PCI-1211 -.It TI PCI-1220 -.It TI PCI-1221 -.It TI PCI-1225 -.It TI PCI-1250 -.It TI PCI-1251 -.It TI PCI-1251B -.It TI PCI-1410 -.It TI PCI-1420 -.It TI PCI-1450 -.It TI PCI-1451 -.It TI PCI-4451 -.Pp -.It Toshiba ToPIC95 -.It Toshiba ToPIC97 -.It Toshiba ToPIC100 .El -.Sh FILES -.Bl -tag -width ".Pa /dev/card0" -compact -.It Pa /dev/card0 -Character device for the -.Nm -driver. -.El -.Sh MODES OF OPERATION -The ISA device supports routing ISA interrupts only. -You cannot share ISA interrupts. -Every interrupt must be unique. -.Pp -The PCI device supports routing ISA or PCI interrupts. -PCI interrupts are sharable. -ISA interrupts are not sharable. -PCI interrupts should be used unless your machine has a specific problem using -them. -.Pp -PCI interrupt routing is the default for PCI devices. -Some older laptops require ISA interrupt routing to work properly. -To enable ISA interrupt routing, you must set the tunable -.Li hw.pcic.intr_path=1 -in -.Pa /boot/loader.conf . -For the present, unless you have a one slot machine, you should set -.Li hw.pcic.irq=0 -to force polling mode. -Two slot machines have minor issues with using an ISA interrupt for the -CSC interrupt. -.Sh TUNABLES -.Bl -tag -width indent -.It Va hw.pcic.ignore_function_1 -Needed for some, improperly manufactured PCI cards made by Orinoco. -It disables function 1 completely. -Set to 0 to enable function 1. -Set to 1 to disable function 1. -This tunable generally should not be needed on laptops. -The default is 0. -.It Va hw.pcic.init_routing -Some machines can tolerate interrupt routing selection at the cardbus -bridge level. -Others fail when you mess with these registers. -Set to 1 to force the chipset to route via parallel PCI interrupts (as -well as a few other little things). -Setting to 0, the default, forces the code to leave these registers as the -code finds them. -Most laptops will not need to set this tunable. -Many PCI cards with cardbus chips on them are believed to need this -tunable set to 1. -The default is 0. -.It Va hw.pcic.intr_path -Should PCI pcic devices route interrupts via ISA or PCI. -A value of 1 means route via ISA. -A value of 2 means route via PCI. -This is ignored for the ISA device. -Many older laptops do not have PCI BIOS implementations that -.Fx -can use to route interrupts properly. -These laptops may need to set this to 1 and -.Va hw.pcic.irq -to a value -(or 0 for polling). -The default is 2. -.It Va hw.pcic.irq -Overrides the IRQ to use for ISA interrupt routing of the CSC or -management interrupt. -If you are using the ISA device, you can set this tunable, or use the -.Cd "irq N" -clause in config file. -If you are using a PCI device in ISA interrupt mode (see -.Va hw.pcic.intr_path ) , -then you must set the interrupt with this -sysctl, or polling mode will be used. -Due to limitations in the tunable system, only one interrupt can be selected -for all cards. -Systems with multiple PCI bridges that need to use ISA routing are encouraged -to use polling mode on each of the cards. -The default is 0. -.It Va hw.pcic.ignore_pci -Defaults to 0. -Set to 1 to completely ignore the cardbus bridge. -This may help some old laptops work. -Setting to 1 on newer laptops will almost certainly fail. -.El -.Sh HISTORY -Too long to detail in the man page. .Sh BUGS -Too many to list. -Some are the fault of the standard. -Some are the fault of bad standard compliance. -Some are Warner's fault. +This does not work at all at the moment.