linux-imx

/*

 *  Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>

 *  Portions (C) Copyright 2002  Red Hat Inc

 *

 * 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.

 *

 * For the avoidance of doubt the "preferred form" of this code is one which

 * is in an open non patent encumbered format. Where cryptographic key signing

 * forms part of the process of creating an executable the information

 * including keys needed to generate an equivalently functional executable

 * are deemed to be part of the source code.

 */

​

#include <linux/types.h>

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/pci.h>

#include <linux/ide.h>

#include <linux/init.h>

​

#define DRV_NAME "ide_pci_generic"

​

static bool ide_generic_all;        /* Set to claim all devices */

​

module_param_named(all_generic_ide, ide_generic_all, bool, 0444);

MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");

​

static void netcell_quirkproc(ide_drive_t *drive)

{

    /* mark words 85-87 as valid */

    drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;

}

​

static const struct ide_port_ops netcell_port_ops = {

    .quirkproc      = netcell_quirkproc,

};

​

#define DECLARE_GENERIC_PCI_DEV(extra_flags) \

    { \

        .name       = DRV_NAME, \

        .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \

                  extra_flags, \

        .swdma_mask = ATA_SWDMA2, \

        .mwdma_mask = ATA_MWDMA2, \

        .udma_mask  = ATA_UDMA6, \

    }

​

static const struct ide_port_info generic_chipsets[] = {

    /*  0: Unknown */

    DECLARE_GENERIC_PCI_DEV(0),

​

    {   /* 1: NS87410 */

        .name       = DRV_NAME,

        .enablebits = { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} },

        .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,

        .swdma_mask = ATA_SWDMA2,

        .mwdma_mask = ATA_MWDMA2,

        .udma_mask  = ATA_UDMA6,

    },

​

    /*  2: SAMURAI / HT6565 / HINT_IDE */

    DECLARE_GENERIC_PCI_DEV(0),

    /*  3: UM8673F / UM8886A / UM8886BF */

    DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA),

    /*  4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */

    DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA),

​

    {   /* 5: VIA8237SATA */

        .name       = DRV_NAME,

        .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |

                  IDE_HFLAG_OFF_BOARD,

        .swdma_mask = ATA_SWDMA2,

        .mwdma_mask = ATA_MWDMA2,

        .udma_mask  = ATA_UDMA6,

    },

​

    {   /* 6: Revolution */

        .name       = DRV_NAME,

        .port_ops   = &netcell_port_ops,

        .host_flags = IDE_HFLAG_CLEAR_SIMPLEX |

                  IDE_HFLAG_TRUST_BIOS_FOR_DMA |

                  IDE_HFLAG_OFF_BOARD,

        .swdma_mask = ATA_SWDMA2,

        .mwdma_mask = ATA_MWDMA2,