ddi_put8 man page on SunOS

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ddi_put8(9F)		 Kernel Functions for Drivers		  ddi_put8(9F)

NAME
       ddi_put8,   ddi_put16,	ddi_put32,   ddi_put64,	  ddi_putb,  ddi_putl,
       ddi_putll, ddi_putw - write data to the mapped memory  address,	device
       register or allocated DMA memory address

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

       void   ddi_put8(ddi_acc_handle_t	 handle,  uint8_t  *dev_addr,  uint8_t
       value);

       void ddi_put16(ddi_acc_handle_t handle,	uint16_t  *dev_addr,  uint16_t
       value);

       void  ddi_put32(ddi_acc_handle_t	 handle,  uint32_t *dev_addr, uint32_t
       value);

       void ddi_put64(ddi_acc_handle_t handle,	uint64_t  *dev_addr,  uint64_t
       value);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

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

       value	       The data to be written to the device.

       dev_addr	       Base device address.

DESCRIPTION
       These routines generate a write of various sizes to the	mapped	memory
       or  device  register.  The  ddi_put8(),	ddi_put16(),  ddi_put32(), and
       ddi_put64() functions write 8 bits, 16 bits, 32 bits  and  64  bits  of
       data, respectively, to 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.

       For  certain  bus types, you can call these DDI functions from a	 high-
       interrupt context.  These types include ISA and SBus buses.   See  sys‐
       bus(4),	isa(4),	 and  sbus(4)  for details.  For the PCI bus, you can,
       under certain conditions, call these DDI functions from	a  high-inter‐
       rupt context. See pci(4).

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

SEE ALSO
       ddi_get8(9F),	   ddi_regs_map_free(9F),      ddi_regs_map_setup(9F),
       ddi_rep_get8(9F), ddi_rep_put8(9F), ddi_device_acc_attr(9S)

NOTES
       The functions described in this manual page  previously	used  symbolic
       names  which  specified their data access size; the function names have
       been changed so they now specify a fixed-width data size.  See the fol‐
       lowing table for the new name equivalents:

       Previous Name			New Name
       ddi_putb				ddi_put8
       ddi_putw				ddi_put16
       ddi_putl				ddi_put32
       ddi_putll			ddi_put64

SunOS 5.10			  18 Nov 2004			  ddi_put8(9F)
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