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- Started implementation of busmaster dma.

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- Splited the interrupt handlers.
- Don't handle 6 byte mode sense requests.

svn path=/trunk/; revision=8474
This commit is contained in:
Hartmut Birr
2004-02-29 12:27:52 +00:00
parent 72986b727d
commit b859b0b5db
2 changed files with 715 additions and 333 deletions
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reactos/drivers/storage/atapi/atapi.c
+702 -333
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reactos/drivers/storage/atapi/atapi.h
+13
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@@ -58,6 +58,7 @@ extern "C" {
#define IDE_REG_STATUS 0x0007
#define IDE_SR_BUSY 0x80
#define IDE_SR_DRDY 0x40
#define IDE_SR_WERR 0x20
#define IDE_SR_DRQ 0x08
#define IDE_SR_ERR 0x01
#define IDE_REG_COMMAND 0x0007
@@ -71,6 +72,8 @@ extern "C" {
#define IDE_CMD_PACKET 0xA0
#define IDE_CMD_READ_MULTIPLE 0xC4
#define IDE_CMD_WRITE_MULTIPLE 0xC5
#define IDE_CMD_READ_DMA 0xC8
#define IDE_CMD_WRITE_DMA 0xCA
#define IDE_CMD_FLUSH_CACHE 0xE7
#define IDE_CMD_FLUSH_CACHE_EXT 0xEA
#define IDE_CMD_IDENT_ATA_DRV 0xEC
@@ -109,6 +112,16 @@ extern "C" {
(ScsiPortReadPortUchar((PUCHAR)((Address) + IDE_REG_STATUS)))
#define IDEWriteCommand(Address, Data) \
(ScsiPortWritePortUchar((PUCHAR)((Address) + IDE_REG_COMMAND), (Data)))
#define IDEReadDMACommand(Address) \
(ScsiPortReadPortUchar((PUCHAR)((Address))))
#define IDEWriteDMACommand(Address, Data) \
(ScsiPortWritePortUchar((PUCHAR)((Address)), (Data)))
#define IDEReadDMAStatus(Address) \
(ScsiPortReadPortUchar((PUCHAR)((Address) + 2)))
#define IDEWriteDMAStatus(Address, Data) \
(ScsiPortWritePortUchar((PUCHAR)((Address) + 2), (Data)))
#define IDEWritePRDTable(Address, Data) \
(ScsiPortWritePortUlong((PULONG)((Address) + 4), (Data)))
//