linux-imx

/*

 *  sata_uli.c - ULi Electronics SATA

 *

 *

 *  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/gfp.h>

#include <linux/pci.h>

#include <linux/blkdev.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/device.h>

#include <scsi/scsi_host.h>

#include <linux/libata.h>

​

#define DRV_NAME    "sata_uli"

#define DRV_VERSION "1.3"

​

enum {

    uli_5289        = 0,

    uli_5287        = 1,

    uli_5281        = 2,

​

    uli_max_ports       = 4,

​

    /* PCI configuration registers */

    ULI5287_BASE        = 0x90, /* sata0 phy SCR registers */

    ULI5287_OFFS        = 0x10, /* offset from sata0->sata1 phy regs */

    ULI5281_BASE        = 0x60, /* sata0 phy SCR  registers */

    ULI5281_OFFS        = 0x60, /* offset from sata0->sata1 phy regs */

};

​

struct uli_priv {

    unsigned int        scr_cfg_addr[uli_max_ports];

};

​

static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);

static int uli_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);

static int uli_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);

​

static const struct pci_device_id uli_pci_tbl[] = {