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