linux-imx

/* 

 *  Copyright (C) 1997  Wu Ching Chen

 *  2.1.x update (C) 1998  Krzysztof G. Baranowski

 *  2.5.x update (C) 2002  Red Hat

 *  2.6.x update (C) 2004  Red Hat

 *

 * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes

 *

 * Wu Ching Chen : NULL pointer fixes  2000/06/02

 *         support atp876 chip

 *         enable 32 bit fifo transfer

 *         support cdrom & remove device run ultra speed

 *         fix disconnect bug  2000/12/21

 *         support atp880 chip lvd u160 2001/05/15

 *         fix prd table bug 2001/09/12 (7.1)

 *

 * atp885 support add by ACARD Hao Ping Lian 2005/01/05

 */

#include <linux/module.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/kernel.h>

#include <linux/types.h>

#include <linux/string.h>

#include <linux/ioport.h>

#include <linux/delay.h>

#include <linux/proc_fs.h>

#include <linux/spinlock.h>

#include <linux/pci.h>

#include <linux/blkdev.h>

#include <linux/dma-mapping.h>

#include <linux/slab.h>

#include <asm/io.h>

​

#include <scsi/scsi.h>

#include <scsi/scsi_cmnd.h>

#include <scsi/scsi_device.h>

#include <scsi/scsi_host.h>

​

#include "atp870u.h"

​

static struct scsi_host_template atp870u_template;

static void send_s870(struct atp_unit *dev,unsigned char c);

static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode);

​

static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val)

{

    outb(val, atp->baseport + reg);

}

​

static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val)

{

    outw(val, atp->baseport + reg);

}

​

static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val)

{

    outb(val, atp->ioport[channel] + reg);

}

​

static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val)

{

    outw(val, atp->ioport[channel] + reg);

}

​

static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val)

{

    outb(val, atp->pciport[channel] + reg);

}

​

static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val)

{

    outl(val, atp->pciport[channel] + reg);

}

​

static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg)

{

    return inb(atp->baseport + reg);

}

​

static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg)

{

    return inw(atp->baseport + reg);

}

​

static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg)

{

    return inl(atp->baseport + reg);

}

​

static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg)

{