linux-imx

/*

 * Qlogic FAS408 ISA card driver

 *

 * Copyright 1994, Tom Zerucha.   

 * tz@execpc.com

 * 

 * Redistributable under terms of the GNU General Public License

 *

 * 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.

 *

 * Check qlogicfas408.c for more credits and info.

 */

​

#include <linux/module.h>

#include <linux/blkdev.h>       /* to get disk capacity */

#include <linux/kernel.h>

#include <linux/string.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/ioport.h>

#include <linux/proc_fs.h>

#include <linux/unistd.h>

#include <linux/spinlock.h>

#include <linux/stat.h>

​

#include <asm/io.h>

#include <asm/irq.h>

#include <asm/dma.h>

​

#include "scsi.h"

#include <scsi/scsi_host.h>

#include "qlogicfas408.h"

​

/* Set the following to 2 to use normal interrupt (active high/totempole-

 * tristate), otherwise use 0 (REQUIRED FOR PCMCIA) for active low, open

 * drain

 */

#define INT_TYPE    2

​

static char qlogicfas_name[] = "qlogicfas";

​

/*

 *  Look for qlogic card and init if found 

 */

static struct Scsi_Host *__qlogicfas_detect(struct scsi_host_template *host,

                                int qbase,

                                int qlirq)

{

    int qltyp;      /* type of chip */

    int qinitid;

    struct Scsi_Host *hreg; /* registered host structure */

    struct qlogicfas408_priv *priv;

​

    /*  Qlogic Cards only exist at 0x230 or 0x330 (the chip itself

     *  decodes the address - I check 230 first since MIDI cards are

     *  typically at 0x330

     *

     *  Theoretically, two Qlogic cards can coexist in the same system.