linux-imx

/*

 *  sata_via.c - VIA Serial ATA controllers

 *

 *  Maintained by:  Tejun Heo <tj@kernel.org>

 *         Please ALWAYS copy linux-ide@vger.kernel.org

 *         on emails.

 *

 *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.

 *  Copyright 2003-2004 Jeff Garzik

 *

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2, or (at your option)

 *  any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; see the file COPYING.  If not, write to

 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 *

 *  libata documentation is available via 'make {ps|pdf}docs',

 *  as Documentation/driver-api/libata.rst

 *

 *  Hardware documentation available under NDA.

 *

 *

 *

 */

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/pci.h>

#include <linux/blkdev.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <scsi/scsi.h>

#include <scsi/scsi_cmnd.h>

#include <scsi/scsi_host.h>

#include <linux/libata.h>

​

#define DRV_NAME    "sata_via"

#define DRV_VERSION "2.6"

​

/*

 * vt8251 is different from other sata controllers of VIA.  It has two

 * channels, each channel has both Master and Slave slot.

 */

enum board_ids_enum {

    vt6420,

    vt6421,

    vt8251,

};

​

enum {

    SATA_CHAN_ENAB      = 0x40, /* SATA channel enable */

    SATA_INT_GATE       = 0x41, /* SATA interrupt gating */

    SATA_NATIVE_MODE    = 0x42, /* Native mode enable */