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ru 2004-07-07 13:21:46 +00:00
parent 2a70c21bd0
commit acd47d1822
1 changed files with 10 additions and 11 deletions
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21
share/man/man9/pci.9
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@ -46,9 +46,8 @@
.In dev/pci/pcivar.h
.In dev/pci/pcireg.h
.In machine/pci_cfgreg.h
.Pp
.Ft void
.Fn pci_write_config "device_t dev" "int reg" "u_int32_t val" "int width"
.Fn pci_write_config "device_t dev" "int reg" "uint32_t val" "int width"
.Ft int
.Fn pci_enable_busmaster "device_t dev"
.Ft int
@ -61,12 +60,12 @@
.Fn pci_set_powerstate "device_t dev" "int state"
.Ft int
.Fn pci_get_powerstate "device_t dev"
.Ft u_int32_t
.Ft uint32_t
.Fn pci_read_config "device_t dev" "int reg" "int width"
.Ft device_t
.Fn pci_find_bsf "u_int8_t" "u_int8_t" "u_int8_t"
.Fn pci_find_bsf "uint8_t bus" "uint8_t slot" "uint8_t func"
.Ft device_t
.Fn pci_find_device "u_int16_t" "u_int16_t"
.Fn pci_find_device "uint16_t vendor" "uint16_t device"
.Sh DESCRIPTION
The
.Nm
@ -124,7 +123,7 @@ The
.Fn pci_disable_io
function clears the appropriate bit.
The
.Fa state
.Fa space
argument specifies which resource is affected; this can be either
.Dv SYS_RES_MEMORY
or
@ -144,7 +143,7 @@ state of
.Dv PCI_POWERSTATE_D0
is returned.
The following power states are defined by ACPI:
.Bl -hang -width PCI_POWERSTATE_UNKNOWN
.Bl -hang -width ".Dv PCI_POWERSTATE_UNKNOWN"
.It Dv PCI_POWERSTATE_D0
State in which device is on and running.
It is receiving full power from the system and delivering
@ -152,14 +151,14 @@ full functionality to the user.
.It Dv PCI_POWERSTATE_D1
Class-specific low-power state in which device context may or
may not be lot.
Buses in this state cannot do anything to the bus, to
Busses in this state cannot do anything to the bus, to
force devices to lose context.
.It Dv PCI_POWERSTATE_D2
Class-specific low-power state in which device context may or
may not be lost.
Attains greater power savings than
.Dv PCI_POWERSTATE_D1 .
Buses in this state can cause devices to lose some context.
Busses in this state can cause devices to lose some context.
Devices
.Em must
be prepared for the bus to be in this state or higher.
@ -193,7 +192,7 @@ of a PCI device, given its
.Fa bus ,
.Fa slot ,
and
.Fa function .
.Fa func .
.Pp
The
.Fn pci_find_device
@ -209,7 +208,7 @@ only returns the first matching device.
.Sh IMPLEMENTATION NOTES
The
.Vt pci_addr_t
type is varies according to the size of the PCI bus address
type varies according to the size of the PCI bus address
space on the target architecture.
.Sh SEE ALSO
.Xr pci 4 ,