/*
* This is used for most PIO data transfers *to* the IDE interface
*/
void ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd, void *buf,
unsigned int len)
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
unsigned long data_addr = io_ports->data_addr;
unsigned int words = (len + 1) >> 1;
u8 io_32bit = drive->io_32bit;
u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
if (io_32bit) {
unsigned long uninitialized_var(flags);
if ((io_32bit & 2) && !mmio) {
local_irq_save_nort(flags);
ata_vlb_sync(io_ports->nsect_addr);
}
words >>= 1;
if (mmio)
__ide_mm_outsl((void __iomem *)data_addr, buf, words);
else
outsl(data_addr, buf, words);
if ((io_32bit & 2) && !mmio)
local_irq_restore_nort(flags);
if (((len + 1) & 3) < 2)
return;
buf += len & ~3;
words = 1;
}
if (mmio)
__ide_mm_outsw((void __iomem *)data_addr, buf, words);
else
outsw(data_addr, buf, words);
}
static void ide_mm_outsl (unsigned long port, void *addr, u32 count)
{
__ide_mm_outsl(port, addr, count);
}