Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
ata_std_ports - initialize ioaddr with standard port offsets.
SYNOPSIS
void ata_std_ports (struct ata_ioports * ioaddr);
ARGUMENTS
ioaddr IO address structure to be initialized
DESCRIPTION
Utility function which initializes data_addr, error_addr, feature_addr,
nsect_addr, lbal_addr, lbam_addr, lbah_addr, device_addr, status_addr,
and command_addr to standard offsets relative to cmd_addr.
Does not set ctl_addr, altstatus_addr, bmdma_addr, or scr_addr.
AUTHOR
Jeff Garzik.