75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2013 Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef ATA_TARGET_H
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#define ATA_TARGET_H
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#include "config.h"
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#ifdef HAVE_ATA_DMA
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/* FIXME does this chips does MWDMA ? */
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#define ATA_MAX_MWDMA 2
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#define ATA_MAX_UDMA 4
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#endif
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uint8_t imx233_ata_inb(unsigned reg);
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uint16_t imx233_ata_inw(unsigned reg);
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void imx233_ata_outb(unsigned reg, uint8_t v);
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void imx233_ata_outw(unsigned reg, uint16_t v);
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#define IMX233_ATA_REG(cs,addr) ((cs) << 3 | (addr))
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#define IMX233_ATA_REG_CS(reg) ((reg) >> 3)
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#define IMX233_ATA_REG_ADDR(reg) ((reg) & 0x7)
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/* use register address (see ATA spec) */
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#define ATA_DATA IMX233_ATA_REG(0, 0)
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#define ATA_ERROR IMX233_ATA_REG(0, 1)
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#define ATA_NSECTOR IMX233_ATA_REG(0, 2)
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#define ATA_SECTOR IMX233_ATA_REG(0, 3)
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#define ATA_LCYL IMX233_ATA_REG(0, 4)
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#define ATA_HCYL IMX233_ATA_REG(0, 5)
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#define ATA_SELECT IMX233_ATA_REG(0, 6)
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#define ATA_COMMAND IMX233_ATA_REG(0, 7)
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#define ATA_CONTROL IMX233_ATA_REG(1, 6)
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/* keep consistent with definition of IMX233_ATA_REG */
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#define ATA_OUT8(reg, data) imx233_ata_outb(reg, data)
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#define ATA_OUT16(reg, data) imx233_ata_outw(reg, data)
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#define ATA_IN8(reg) imx233_ata_inb(reg)
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#define ATA_IN16(reg) imx233_ata_inw(reg)
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#define ATA_SET_PIO_TIMING
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#define ATA_TARGET_POLLING
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void ata_set_pio_timings(int mode);
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void ata_reset(void);
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void ata_enable(bool on);
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bool ata_is_coldstart(void);
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#ifdef HAVE_ATA_DMA
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void ata_dma_set_mode(unsigned char mode);
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bool ata_dma_setup(void *addr, unsigned long bytes, bool write);
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bool ata_dma_finish(void);
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#endif
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int ata_wait_for_bsy(void);
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int ata_wait_for_rdy(void);
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void ata_device_init(void);
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#endif /* ATA_TARGET_H */
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