/*
 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
 * I/O routine
 *
 * This software may be used and distributed according to the terms of
 * the GNU General Public License.
 */

#ifndef _NSP32_IO_H
#define _NSP32_IO_H

static inline void nsp32_write1(unsigned int  base,
                                unsigned int  index,
                                unsigned char val)
{
        outb(val, (base + index));
}

static inline unsigned char nsp32_read1(unsigned int base,
                                        unsigned int index)
{
        return inb(base + index);
}

static inline void nsp32_write2(unsigned int   base,
                                unsigned int   index,
                                unsigned short val)
{
        outw(val, (base + index));
}

static inline unsigned short nsp32_read2(unsigned int base,
                                         unsigned int index)
{
        return inw(base + index);
}

static inline void nsp32_write4(unsigned int  base,
                                unsigned int  index,
                                unsigned long val)
{
        outl(val, (base + index));
}

static inline unsigned long nsp32_read4(unsigned int base,
                                        unsigned int index)
{
        return inl(base + index);
}

/*==============================================*/

static inline void nsp32_mmio_write1(unsigned long base,
                                     unsigned int  index,
                                     unsigned char val)
{
        volatile unsigned char *ptr;

        ptr = (unsigned char *)(base + NSP32_MMIO_OFFSET + index);

        writeb(val, ptr);
}

static inline unsigned char nsp32_mmio_read1(unsigned long base,
                                             unsigned int  index)
{
        volatile unsigned char *ptr;

        ptr = (unsigned char *)(base + NSP32_MMIO_OFFSET + index);

        return readb(ptr);
}

static inline void nsp32_mmio_write2(unsigned long  base,
                                     unsigned int   index,
                                     unsigned short val)
{
        volatile unsigned short *ptr;

        ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + index);

        writew(cpu_to_le16(val), ptr);
}

static inline unsigned short nsp32_mmio_read2(unsigned long base,
                                              unsigned int  index)
{
        volatile unsigned short *ptr;

        ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + index);

        return le16_to_cpu(readw(ptr));
}

static inline void nsp32_mmio_write4(unsigned long base,
                                     unsigned int  index,
                                     unsigned long val)
{
        volatile unsigned long *ptr;

        ptr = (unsigned long *)(base + NSP32_MMIO_OFFSET + index);

        writel(cpu_to_le32(val), ptr);
}

static inline unsigned long nsp32_mmio_read4(unsigned long base,
                                             unsigned int  index)
{
        volatile unsigned long *ptr;

        ptr = (unsigned long *)(base + NSP32_MMIO_OFFSET + index);

        return le32_to_cpu(readl(ptr));
}

/*==============================================*/

static inline unsigned char nsp32_index_read1(unsigned int base,
                                              unsigned int reg)
{
        outb(reg, base + INDEX_REG);
        return inb(base + DATA_REG_LOW);
}

static inline void nsp32_index_write1(unsigned int  base,
                                      unsigned int  reg,
                                      unsigned char val)
{
        outb(reg, base + INDEX_REG   );
        outb(val, base + DATA_REG_LOW);
}

static inline unsigned short nsp32_index_read2(unsigned int base,
                                               unsigned int reg)
{
        outb(reg, base + INDEX_REG);
        return inw(base + DATA_REG_LOW);
}

static inline void nsp32_index_write2(unsigned int   base,
                                      unsigned int   reg,
                                      unsigned short val)
{
        outb(reg, base + INDEX_REG   );
        outw(val, base + DATA_REG_LOW);
}

static inline unsigned long nsp32_index_read4(unsigned int base,
                                              unsigned int reg)
{
        unsigned long h,l;

        outb(reg, base + INDEX_REG);
        l = inw(base + DATA_REG_LOW);
        h = inw(base + DATA_REG_HI );

        return ((h << 16) | l);
}

static inline void nsp32_index_write4(unsigned int  base,
                                      unsigned int  reg,
                                      unsigned long val)
{
        unsigned long h,l;

        h = (val & 0xffff0000) >> 16;
        l = (val & 0x0000ffff) >>  0;

        outb(reg, base + INDEX_REG   );
        outw(l,   base + DATA_REG_LOW);
        outw(h,   base + DATA_REG_HI );
}

/*==============================================*/

static inline unsigned char nsp32_mmio_index_read1(unsigned long base,
                                                   unsigned int reg)
{
        volatile unsigned short *index_ptr, *data_ptr;

        index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
        data_ptr  = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);

        writeb(reg, index_ptr);
        return readb(data_ptr);
}

static inline void nsp32_mmio_index_write1(unsigned long base,
                                           unsigned int  reg,
                                           unsigned char val)
{
        volatile unsigned short *index_ptr, *data_ptr;

        index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
        data_ptr  = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);

        writeb(reg, index_ptr);
        writeb(val, data_ptr );
}

static inline unsigned short nsp32_mmio_index_read2(unsigned long base,
                                                    unsigned int  reg)
{
        volatile unsigned short *index_ptr, *data_ptr;

        index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
        data_ptr  = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);

        writeb(reg, index_ptr);
        return le16_to_cpu(readw(data_ptr));
}

static inline void nsp32_mmio_index_write2(unsigned long  base,
                                           unsigned int   reg,
                                           unsigned short val)
{
        volatile unsigned short *index_ptr, *data_ptr;

        index_ptr = (unsigned short *)(base + NSP32_MMIO_OFFSET + INDEX_REG);
        data_ptr  = (unsigned short *)(base + NSP32_MMIO_OFFSET + DATA_REG_LOW);

        writeb(reg,              index_ptr);
        writew(cpu_to_le16(val), data_ptr );
}

/*==============================================*/

static inline void nsp32_multi_read4(unsigned int   base,
                                     unsigned int   reg,
                                     void          *buf,
                                     unsigned long  count)
{
        insl(base + reg, buf, count);
}

static inline void nsp32_fifo_read(unsigned int   base,
                                   void          *buf,
                                   unsigned long  count)
{
        nsp32_multi_read4(base, FIFO_DATA_LOW, buf, count);
}

static inline void nsp32_multi_write4(unsigned int   base,
                                      unsigned int   reg,
                                      void          *buf,
                                      unsigned long  count)
{
        outsl(base + reg, buf, count);
}

static inline void nsp32_fifo_write(unsigned int   base,
                                    void          *buf,
                                    unsigned long  count)
{
        nsp32_multi_write4(base, FIFO_DATA_LOW, buf, count);
}

#endif /* _NSP32_IO_H */
/* end */