ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 156 insertions, 0 deletions

diff --git a/dev/Mod/ATA/ATA.h b/dev/Mod/ATA/ATA.h
new file mode 100644
index 00000000..07226a97
--- /dev/null
+++ b/dev/Mod/ATA/ATA.h
@@ -0,0 +1,156 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+	File: Defines.h
+	Purpose: ATA header.
+
+	Revision History:
+
+	03/02/24: Added file (amlel)
+
+------------------------------------------- */
+
+#pragma once
+
+#ifndef __AHCI__
+
+#include <CompilerKit/CompilerKit.h>
+#include <NewKit/Defines.h>
+
+///! Status register
+#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
+
+///! Error register
+#define ATA_ER_BBK	 0x80
+#define ATA_ER_UNC	 0x40
+#define ATA_ER_MC	 0x20
+#define ATA_ER_IDNF	 0x10
+#define ATA_ER_MCR	 0x08
+#define ATA_ER_ABRT	 0x04
+#define ATA_ER_TK0NF 0x02
+#define ATA_ER_AMNF	 0x01
+
+#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
+
+///! ident offsets, use with data that we got from ATA_CMD_IDENTIFY.
+#define ATA_IDENT_DEVICE_TYPE  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
+
+#define ATA_MASTER 0x00
+#define ATA_SLAVE  0x01
+
+///! Register
+#define ATA_REG_DATA		0x00
+#define ATA_REG_ERROR		0x01
+#define ATA_REG_FEATURES	0x01
+#define ATA_REG_SEC_COUNT0	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_SEC_COUNT1	0x08
+#define ATA_REG_LBA3		0x09
+#define ATA_REG_LBA4		0x0A
+#define ATA_REG_LBA5		0x0B
+#define ATA_REG_CONTROL		0x0C
+#define ATA_REG_ALT_STATUS	0x0C
+#define ATA_REG_DEV_ADDRESS 0x0D
+
+#define ATA_REG_NEIN 0x01
+
+#define ATA_PRIMARY_IO		 0x1F0
+#define ATA_SECONDARY_IO	 0x170
+#define ATA_PRIMARY_DCR_AS	 0x3F6
+#define ATA_SECONDARY_DCR_AS 0x376
+
+///! Irq
+#define ATA_PRIMARY_IRQ	  14
+#define ATA_SECONDARY_IRQ 15
+
+///! Channels
+#define ATA_PRIMARY	  0x00
+#define ATA_SECONDARY 0x01
+
+#define ATA_CYL_LOW	 3
+#define ATA_CYL_MID	 4
+#define ATA_CYL_HIGH 5
+
+///! IO Direction
+#define ATA_READ  0x00
+#define ATA_WRITE 0x013
+
+#define ATA_PRIMARY_SEL	  0xA0
+#define ATA_SECONDARY_SEL 0xB0
+
+///! ATA address register.
+#define ATA_ADDRESS1(x) (x + 3)
+#define ATA_ADDRESS2(x) (x + 4)
+#define ATA_ADDRESS3(x) (x + 5)
+
+///! ATA command register.
+#define ATA_COMMAND(x) (x + 7)
+
+#define kATASectorSize (512U)
+
+enum
+{
+	kATADevicePATA,
+	kATADeviceSATA,
+	kATADevicePATA_PI,
+	kATADeviceSATA_PI,
+	kATADeviceCount,
+};
+
+#if defined(__ATA_PIO__) || defined(__ATA_DMA__)
+
+Kernel::Boolean drv_std_init(Kernel::UInt16 in_bus, Kernel::UInt8 drive, Kernel::UInt16& out_bus, Kernel::UInt8& out_master);
+
+Kernel::Boolean drv_std_detected(Kernel::Void);
+
+Kernel::Void drv_std_select(Kernel::UInt16 bus);
+
+Kernel::Boolean drv_std_wait_io(Kernel::UInt16 io);
+
+Kernel::Void drv_std_read(Kernel::UInt64 lba, Kernel::UInt16 io, Kernel::UInt8 is_master, Kernel::Char* buf, Kernel::SizeT sec_sz, Kernel::SizeT buf_sz);
+
+Kernel::Void drv_std_write(Kernel::UInt64 lba, Kernel::UInt16 io, Kernel::UInt8 is_master, Kernel::Char* buf, Kernel::SizeT sec_sz, Kernel::SizeT buf_sz);
+
+/// @brief get sector count.
+Kernel::SizeT drv_get_sector_count();
+
+/// @brief get device size.
+Kernel::SizeT drv_get_size();
+
+#endif // ifdef __MINOSKRNL__
+#endif // ifndef __ATA_PIO__ || __AHCI__