Exemplo n.º 1
0
static void q40ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
                               void *buf, unsigned int len)
{
    unsigned long data_addr = drive->hwif->io_ports.data_addr;

    if (drive->media == ide_disk && cmd && (cmd->tf_flags & IDE_TFLAG_FS)) {
        __ide_mm_outsw(data_addr, buf, (len + 1) / 2);
        return;
    }

    raw_outsw_swapw((u16 *)data_addr, buf, (len + 1) / 2);
}
Exemplo n.º 2
0
static void at91_ide_output_data(ide_drive_t *drive, struct request *rq,
				 void *buf, unsigned int len)
{
	ide_hwif_t *hwif = drive->hwif;
	struct ide_io_ports *io_ports = &hwif->io_ports;
	u8 chipselect = hwif->select_data;
	unsigned long mode;

	pdbg("cs %u buf %p len %d\n", chipselect,  buf, len);

	enter_16bit(chipselect, mode);
	__ide_mm_outsw((void __iomem *) io_ports->data_addr, buf, len / 2);
	leave_16bit(chipselect, mode);
}
Exemplo n.º 3
0
/*
 * 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);
}
Exemplo n.º 4
0
static void ide_mm_outsw (unsigned long port, void *addr, u32 count)
{
	__ide_mm_outsw(port, addr, count);
}