opensolaris man page for ddi_io_get8

ddi_io_get8(9F) 					   Kernel Functions for Drivers 					   ddi_io_get8(9F)

NAME
       ddi_io_get8, ddi_io_get16, ddi_io_get32, ddi_io_getb, ddi_io_getl, ddi_io_getw - read data from the mapped device register in I/O space

SYNOPSIS
       #include <sys/ddi.h>
       #include <sys/sunddi.h>

       uint8_t ddi_io_get8(ddi_acc_handle_t handle, uint8_t *dev_addr);

       uint16_t ddi_io_get16(ddi_acc_handle_t handle, uint16_t	*dev_addr);

       uint32_t ddi_io_get32(ddi_acc_handle_t handle, uint32_t	*dev_addr);

INTERFACE LEVEL
       Solaris	DDI  specific  (Solaris  DDI).	The ddi_io_get8(), ddi_io_get16(), ddi_io_get32(), ddi_io_getb(), ddi_io_getl(), and ddi_io_getw()
       functions are obsolete. The  ddi_get8(9F)  function  replaces  ddi_io_get8().  The  ddi_get16(9F)  function  replaces  ddi_io_get16().  The
       ddi_get32(9F)  function	replaces  ddi_io_get32().  The	ddi_get8(9F)  function replaces ddi_io_getb(). The ddi_get32(9F) function replaces
       ddi_io_getl(). The ddi_get16(9F) function replaces ddi_io_getw().

PARAMETERS
       handle	   Data access handle returned from setup calls, such as ddi_regs_map_setup(9F).

       dev_addr    Device address.

DESCRIPTION
       These routines generate a read of various sizes from the device address, dev_addr, in I/O space.  The  ddi_io_get8(),  ddi_io_get16(),  and
       ddi_io_get32() functions read 8 bits, 16 bits, and 32 bits of data, respectively, from the device address, dev_addr.

       Each  individual  datum will automatically be translated to maintain a consistent view between the host and the device based on the encoded
       information in the data access handle.  The translation may involve byte-swapping if the host and the device have incompatible endian char-
       acteristics.

CONTEXT
       These functions can be called from user, kernel, or interrupt context.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Obsolete			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       isa(4),	ddi_get8(9F),  ddi_get16(9F),  ddi_get32(9F),  ddi_io_put8(9F),  ddi_io_rep_get8(9F),  ddi_io_rep_put8(9F), ddi_regs_map_free(9F),
       ddi_regs_map_setup(9F), ddi_device_acc_attr(9S)

SunOS 5.11							    1 Nov 2005							   ddi_io_get8(9F)