--- /dev/null
+/*
+ NinjaSCSI I/O funtions
+ By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
+
+ This software may be used and distributed according to the terms of
+ the GNU General Public License.
+
+ */
+
+/* $Id: nsp_io.h,v 1.3 2003/08/04 21:15:26 elca Exp $ */
+
+#ifndef __NSP_IO_H__
+#define __NSP_IO_H__
+
+static inline void nsp_write(unsigned int base,
+ unsigned int index,
+ unsigned char val);
+static inline unsigned char nsp_read(unsigned int base,
+ unsigned int index);
+static inline void nsp_index_write(unsigned int BaseAddr,
+ unsigned int Register,
+ unsigned char Value);
+static inline unsigned char nsp_index_read(unsigned int BaseAddr,
+ unsigned int Register);
+
+/*******************************************************************
+ * Basic IO
+ */
+
+static inline void nsp_write(unsigned int base,
+ unsigned int index,
+ unsigned char val)
+{
+ outb(val, (base + index));
+}
+
+static inline unsigned char nsp_read(unsigned int base,
+ unsigned int index)
+{
+ return inb(base + index);
+}
+
+
+/**********************************************************************
+ * Indexed IO
+ */
+static inline unsigned char nsp_index_read(unsigned int BaseAddr,
+ unsigned int Register)
+{
+ outb(Register, BaseAddr + INDEXREG);
+ return inb(BaseAddr + DATAREG);
+}
+
+static inline void nsp_index_write(unsigned int BaseAddr,
+ unsigned int Register,
+ unsigned char Value)
+{
+ outb(Register, BaseAddr + INDEXREG);
+ outb(Value, BaseAddr + DATAREG);
+}
+
+/*********************************************************************
+ * fifo func
+ */
+
+/* read 8 bit FIFO */
+static inline void nsp_multi_read_1(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ insb(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo8_read(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ /*nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx", buf, count);*/
+ nsp_multi_read_1(base, FIFODATA, buf, count);
+}
+
+/*--------------------------------------------------------------*/
+
+/* read 16 bit FIFO */
+static inline void nsp_multi_read_2(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ insw(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo16_read(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*2", buf, count);
+ nsp_multi_read_2(base, FIFODATA, buf, count);
+}
+
+/*--------------------------------------------------------------*/
+
+/* read 32bit FIFO */
+static inline void nsp_multi_read_4(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ insl(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo32_read(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
+ nsp_multi_read_4(base, FIFODATA, buf, count);
+}
+
+/*----------------------------------------------------------*/
+
+/* write 8bit FIFO */
+static inline void nsp_multi_write_1(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ outsb(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo8_write(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ nsp_multi_write_1(base, FIFODATA, buf, count);
+}
+
+/*---------------------------------------------------------*/
+
+/* write 16bit FIFO */
+static inline void nsp_multi_write_2(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ outsw(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo16_write(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ nsp_multi_write_2(base, FIFODATA, buf, count);
+}
+
+/*---------------------------------------------------------*/
+
+/* write 32bit FIFO */
+static inline void nsp_multi_write_4(unsigned int BaseAddr,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ outsl(BaseAddr + Register, buf, count);
+}
+
+static inline void nsp_fifo32_write(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ nsp_multi_write_4(base, FIFODATA, buf, count);
+}
+
+
+/*====================================================================*/
+
+static inline void nsp_mmio_write(unsigned long base,
+ unsigned int index,
+ unsigned char val)
+{
+ unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index);
+
+ writeb(val, ptr);
+}
+
+static inline unsigned char nsp_mmio_read(unsigned long base,
+ unsigned int index)
+{
+ unsigned char *ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + index);
+
+ return readb(ptr);
+}
+
+/*-----------*/
+
+static inline unsigned char nsp_mmio_index_read(unsigned long base,
+ unsigned int reg)
+{
+ unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG);
+ unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG);
+
+ writeb((unsigned char)reg, index_ptr);
+ return readb(data_ptr);
+}
+
+static inline void nsp_mmio_index_write(unsigned long base,
+ unsigned int reg,
+ unsigned char val)
+{
+ unsigned char *index_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + INDEXREG);
+ unsigned char *data_ptr = (unsigned char *)(base + NSP_MMIO_OFFSET + DATAREG);
+
+ writeb((unsigned char)reg, index_ptr);
+ writeb(val, data_ptr);
+}
+
+/* read 32bit FIFO */
+static inline void nsp_mmio_multi_read_4(unsigned long base,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ unsigned long *ptr = (unsigned long *)(base + Register);
+ unsigned long *tmp = (unsigned long *)buf;
+ int i;
+
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr);
+
+ for (i = 0; i < count; i++) {
+ *tmp = readl(ptr);
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp);
+ tmp++;
+ }
+}
+
+static inline void nsp_mmio_fifo32_read(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
+ nsp_mmio_multi_read_4(base, FIFODATA, buf, count);
+}
+
+static inline void nsp_mmio_multi_write_4(unsigned long base,
+ unsigned int Register,
+ void *buf,
+ unsigned long count)
+{
+ unsigned long *ptr = (unsigned long *)(base + Register);
+ unsigned long *tmp = (unsigned long *)buf;
+ int i;
+
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "base 0x%0lx ptr 0x%p",base,ptr);
+
+ for (i = 0; i < count; i++) {
+ writel(*tmp, ptr);
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "<%d,%p,%p,%lx>", i, ptr, tmp, *tmp);
+ tmp++;
+ }
+}
+
+static inline void nsp_mmio_fifo32_write(unsigned int base,
+ void *buf,
+ unsigned long count)
+{
+ //nsp_dbg(NSP_DEBUG_DATA_IO, "buf=0x%p, count=0x%lx*4", buf, count);
+ nsp_mmio_multi_write_4(base, FIFODATA, buf, count);
+}
+
+
+
+#endif
+/* end */
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