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First round off updates/fixes to the ATA driver.

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This moves all chipset specific code to a new file 'ata-chipset.c'.
Extensive use of tables and pointers to avoid having the same switch
on chipset type in several places, and to allow substituting various
functions for different HW arch needs.
Added PIO mode setup and all DMA modes.
Support for all known SiS chipsets. Thanks to Christoph Kukulies for
sponsoring a nice ASUS P4S8X SiS648 based board for this work!

Tested on:	i386, PC98, alpha and sparc64
This commit is contained in:
Søren Schmidt 2003-02-20 19:55:45 +00:00
parent 8608c4c1f9
commit 4b25d7a6e4
1 changed files with 8 additions and 3 deletions
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11
sys/sys/ata.h
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@ -1,5 +1,5 @@
/*-
* Copyright (c) 2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
* Copyright (c) 2000 - 2003 Søren Schmidt <sos@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -339,14 +339,19 @@ struct ata_params {
#define ATA_PIO2 0x0a
#define ATA_PIO3 0x0b
#define ATA_PIO4 0x0c
#define ATA_PIO_MAX 0x0f
#define ATA_DMA 0x10
#define ATA_WDMA 0x20
#define ATA_WDMA0 0x20
#define ATA_WDMA1 0x21
#define ATA_WDMA2 0x22
#define ATA_UDMA 0x40
#define ATA_UDMA0 0x40
#define ATA_UDMA1 0x41
#define ATA_UDMA2 0x42
#define ATA_UDMA3 0x43
#define ATA_UDMA4 0x44
#define ATA_UDMA5 0x45
#define ATA_UDMA6 0x46
#define ATA_DMA_MAX 0x4f
struct ata_cmd {
int channel;