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/*

 * Jazz specific C parts

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1995 by Ralf Baechle

 */

#include <linux/delay.h>

#include <asm/cachectl.h>

#include <asm/jazz.h>

#include <asm/jazzdma.h>

#include <asm/segment.h>

unsigned char jazz_fd_inb(unsigned int port)

{

        unsigned char c;

        c = *(volatile unsigned char *) port;

        udelay(1);

        return c;

}

void jazz_fd_outb(unsigned char value, unsigned int port)

{

        *(volatile unsigned char *) port = value;

}

/*

 * How to access the floppy DMA functions.

 */

void jazz_fd_enable_dma(void)

{

        vdma_enable(JAZZ_FLOPPY_DMA);

}

void jazz_fd_disable_dma(void)

{

        vdma_disable(JAZZ_FLOPPY_DMA);

}

int jazz_fd_request_dma(void)

{

        return 0;

}

void jazz_fd_free_dma(void)

{

}

void jazz_fd_clear_dma_ff(void)

{

}

void jazz_fd_set_dma_mode(char mode)

{

        vdma_set_mode(JAZZ_FLOPPY_DMA, mode);

}

void jazz_fd_set_dma_addr(unsigned int a)

{

        vdma_set_addr(JAZZ_FLOPPY_DMA, vdma_phys2log(PHYSADDR(a)));

}

void jazz_fd_set_dma_count(unsigned int count)

{

        vdma_set_count(JAZZ_FLOPPY_DMA, count);

}

int jazz_fd_get_dma_residue(void)

{

        return vdma_get_residue(JAZZ_FLOPPY_DMA);

}

void jazz_fd_enable_irq(void)

{

}

void jazz_fd_disable_irq(void)

{

}

void jazz_fd_cacheflush(unsigned char *addr, unsigned int size)

{

        sys_cacheflush((void *)addr, size, DCACHE);

}

unsigned char jazz_rtc_read_data(void)

{

        return *(char *)JAZZ_RTC_BASE;

}

void jazz_rtc_write_data(unsigned char data)

{

        *(char *)JAZZ_RTC_BASE = data;

}