+++ /dev/null
-/*
- * AcessOS Version 1
- * USB Stack
- * - Universal Host Controller Interface
- */
-#ifndef _UHCI_H_
-#define _UHCI_H_
-
-// === TYPES ===
-typedef struct sUHCI_Controller tUHCI_Controller;
-typedef struct sUHCI_TD tUHCI_TD;
-typedef struct sUHCI_QH tUHCI_QH;
-
-// === STRUCTURES ===
-struct sUHCI_Controller
-{
- /**
- * \brief PCI Device ID
- */
- Uint16 PciId;
-
- /**
- * \brief IO Base Address
- */
- Uint16 IOBase;
-
- /**
- * \brief IRQ Number assigned to the device
- */
- int IRQNum;
-
- /**
- * \brief Frame list
- *
- * 31:4 - Frame Pointer
- * 3:2 - Reserved
- * 1 - QH/TD Selector
- * 0 - Terminate (Empty Pointer)
- */
- Uint32 *FrameList;
-
- /**
- * \brief Physical Address of the Frame List
- */
- tPAddr PhysFrameList;
-};
-
-struct sUHCI_TD
-{
- /**
- * \brief Next Entry in list
- *
- * 31:4 - Address
- * 3 - Reserved
- * 2 - Depth/Breadth Select
- * 1 - QH/TD Select
- * 0 - Terminate (Last in List)
- */
- Uint32 Link;
-
- /**
- * \brief Control and Status Field
- *
- * 31:30 - Reserved
- * 29 - Short Packet Detect (Input Only)
- * 28:27 - Number of Errors Allowed
- * 26 - Low Speed Device (Communicating with a low speed device)
- * 25 - Isynchonious Select
- * 24 - Interrupt on Completion (IOC)
- * 23:16 - Status
- * 23 - Active
- * 22 - Stalled
- * 21 - Data Buffer Error
- * 20 - Babble Detected
- * 19 - NAK Detected
- * 18 - CRC/Timout Error
- * 17 - Bitstuff Error
- * 16 - Reserved
- * 15:11 - Reserved
- * 10:0 - Actual Length (Number of bytes transfered)
- */
- Uint32 Control;
-
- /**
- * \brief Packet Header
- *
- * 31:21 - Maximum Length (0=1, Max 0x4FF, 0x7FF=0)
- * 20 - Reserved
- * 19 - Data Toggle
- * 18:15 - Endpoint
- * 14:8 - Device Address
- * 7:0 - PID (Packet Identifcation) - Only 96, E1, 2D allowed
- *
- * 0x96 = Data IN
- * 0xE1 = Data Out
- * 0x2D = Setup
- */
- Uint32 Token;
-
- /**
- * \brief Pointer to the data to send
- */
- Uint32 BufferPointer;
-
- /**
- * \brief Avaliable for use by software
- */
- Uint32 Avaliable[4];
-};
-
-struct sUHCI_QH
-{
- /**
- * \brief Next Entry in list
- *
- * 31:4 - Address
- * 3:2 - Reserved
- * 1 - QH/TD Select
- * 0 - Terminate (Last in List)
- */
- Uint32 Next;
-
-
- /**
- * \brief Next Entry in list
- *
- * 31:4 - Address
- * 3:2 - Reserved
- * 1 - QH/TD Select
- * 0 - Terminate (Last in List)
- */
- Uint32 Child;
-};
-
-// === ENUMERATIONS ===
-enum eUHCI_IOPorts {
- /**
- * \brief USB Command Register
- *
- * 15:8 - Reserved
- * 7 - Maximum Packet Size selector (1: 64 bytes, 0: 32 bytes)
- * 6 - Configure Flag (No Hardware Effect)
- * 5 - Software Debug (Don't think it will be needed)
- * 4 - Force Global Resume
- * 3 - Enter Global Suspend Mode
- * 2 - Global Reset (Resets all devices on the bus)
- * 1 - Host Controller Reset (Reset just the controller)
- * 0 - Run/Stop
- */
- USBCMD = 0x00,
- /**
- * \brief USB Status Register
- *
- * 15:6 - Reserved
- * 5 - HC Halted, set to 1 when USBCMD:RS is set to 0
- * 4 - Host Controller Process Error (Errors related to the bus)
- * 3 - Host System Error (Errors related to the OS/PCI Bus)
- * 2 - Resume Detect (Set if a RESUME command is sent to the Controller)
- * 1 - USB Error Interrupt
- * 0 - USB Interrupts (Set if a transaction with the IOC bit set is completed)
- */
- USBSTS = 0x02,
- /**
- * \brief USB Interrupt Enable Register
- *
- * 15:4 - Reserved
- * 3 - Short Packet Interrupt Enable
- * 2 - Interrupt on Complete (IOC) Enable
- * 1 - Resume Interrupt Enable
- * 0 - Timout / CRC Error Interrupt Enable
- */
- USBINTR = 0x04,
- /**
- * \brief Frame Number (Index into the Frame List)
- *
- * 15:11 - Reserved
- * 10:0 - Index (Incremented each approx 1ms)
- */
- FRNUM = 0x06,
- /**
- * \brief Frame List Base Address
- *
- * 31:12 - Pysical Address >> 12
- * 11:0 - Reserved (Set to Zero)
- */
- FLBASEADD = 0x08, // 32-bit
- /**
- * \brief Start-of-frame Modify Register
- * \note 8-bits only
- *
- * Sets the size of a frame
- * Frequency = (11936+n)/12000 kHz
- *
- * 7 - Reserved
- * 6:0 -
- */
- SOFMOD = 0x0C, // 8bit
- /**
- * \brief Port Status and Controll Register (Port 1)
- *
- * 15:13 - Reserved
- * 12 - Suspend
- * 11:10 - Reserved
- * 9 - Port Reset
- * 8 - Low Speed Device Attached
- * 5:4 - Line Status
- * 3 - Port Enable/Disable Change - Used for detecting device removal
- * 2 - Port Enable/Disable
- * 1 - Connect Status Change
- * 0 - Current Connect Status
- */
- PORTSC1 = 0x10,
- /**
- * \brief Port Status and Controll Register (Port 2)
- *
- * See ::PORTSC1
- */
- PORTSC2 = 0x12
-};
-
-#endif
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