1 files changed, 75 insertions, 0 deletions
diff --git a/kernel/inc/drivers/ide.h b/kernel/inc/drivers/ide.h
new file mode 100644
index 0000000..dbe0652
--- /dev/null
+++ b/kernel/inc/drivers/ide.h
@@ -0,0 +1,75 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef IDE_H
+#define IDE_H
+
+#include <def.h>
+
+#define BLOCK_SIZE 1024
+#define BLOCK_COUNT 256 // BLOCK_SIZE / sizeof(u32)
+#define SECTOR_SIZE 512
+#define SECTOR_COUNT (BLOCK_SIZE / SECTOR_SIZE)
+
+#define ATA_PRIMARY_IO 0x1f0
+#define ATA_SECONDARY_IO 0x170
+
+// From spec
+#define ATA_PRIMARY 0x00
+#define ATA_SECONDARY 0x01
+#define ATA_READ 0x00
+#define ATA_WRITE 0x013
+#define ATA_MASTER 0x00
+#define ATA_SLAVE 0x01
+#define ATA_SR_BSY 0x80
+#define ATA_SR_DRDY 0x40
+#define ATA_SR_DF 0x20
+#define ATA_SR_DSC 0x10
+#define ATA_SR_DRQ 0x08
+#define ATA_SR_CORR 0x04
+#define ATA_SR_IDX 0x02
+#define ATA_SR_ERR 0x01
+#define ATA_REG_DATA 0x00
+#define ATA_REG_ERROR 0x01
+#define ATA_REG_FEATURES 0x01
+#define ATA_REG_SECCOUNT0 0x02
+#define ATA_REG_LBA0 0x03
+#define ATA_REG_LBA1 0x04
+#define ATA_REG_LBA2 0x05
+#define ATA_REG_HDDEVSEL 0x06
+#define ATA_REG_COMMAND 0x07
+#define ATA_REG_STATUS 0x07
+#define ATA_REG_SECCOUNT1 0x08
+#define ATA_REG_LBA3 0x09
+#define ATA_REG_LBA4 0x0a
+#define ATA_REG_LBA5 0x0b
+#define ATA_REG_CONTROL 0x0c
+#define ATA_REG_ALTSTATUS 0x0c
+#define ATA_REG_DEVADDRESS 0x0d
+#define ATA_CMD_READ_PIO 0x20
+#define ATA_CMD_READ_PIO_EXT 0x24
+#define ATA_CMD_READ_DMA 0xc8
+#define ATA_CMD_READ_DMA_EXT 0x25
+#define ATA_CMD_WRITE_PIO 0x30
+#define ATA_CMD_WRITE_PIO_EXT 0x34
+#define ATA_CMD_WRITE_DMA 0xca
+#define ATA_CMD_WRITE_DMA_EXT 0x35
+#define ATA_CMD_CACHE_FLUSH 0xe7
+#define ATA_CMD_CACHE_FLUSH_EXT 0xea
+#define ATA_CMD_PACKET 0xa0
+#define ATA_CMD_IDENTIFY_PACKET 0xa1
+#define ATA_CMD_IDENTIFY 0xec
+#define ATA_IDENT_DEVICETYPE 0
+#define ATA_IDENT_CYLINDERS 2
+#define ATA_IDENT_HEADS 6
+#define ATA_IDENT_SECTORS 12
+#define ATA_IDENT_SERIAL 20
+#define ATA_IDENT_MODEL 54
+#define ATA_IDENT_CAPABILITIES 98
+#define ATA_IDENT_FIELDVALID 106
+#define ATA_IDENT_MAX_LBA 120
+#define ATA_IDENT_COMMANDSETS 164
+#define ATA_IDENT_MAX_LBA_EXT 200
+
+void ata_install(void);
+
+#endif