patch-2.4.3 linux/include/linux/openpic.h

• Lines: 368
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.2/linux/include/linux/openpic.h
• Orig date: Wed Feb 9 19:43:47 2000

diff -u --recursive --new-file v2.4.2/linux/include/linux/openpic.h linux/include/linux/openpic.h
@@ -1,367 +0,0 @@
-/*
- *  linux/openpic.h -- OpenPIC definitions
- *
- *  Copyright (C) 1997 Geert Uytterhoeven
- *
- *  This file is based on the following documentation:
- *
- *	The Open Programmable Interrupt Controller (PIC)
- *	Register Interface Specification Revision 1.2
- *
- *	Issue Date: October 1995
- *
- *	Issued jointly by Advanced Micro Devices and Cyrix Corporation
- *
- *	AMD is a registered trademark of Advanced Micro Devices, Inc.
- *	Copyright (C) 1995, Advanced Micro Devices, Inc. and Cyrix, Inc.
- *	All Rights Reserved.
- *
- *  To receive a copy of this documentation, send an email to openpic@amd.com.
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License.  See the file COPYING in the main directory of this archive
- *  for more details.
- */
-
-#ifndef _LINUX_OPENPIC_H
-#define _LINUX_OPENPIC_H
-
-#if !defined(__powerpc__) && !defined(__i386__)
-#error Unsupported OpenPIC platform
-#endif
-
-
-#ifdef __KERNEL__
-
-    /*
-     *  OpenPIC supports up to 2048 interrupt sources and up to 32 processors
-     */
-
-#define OPENPIC_MAX_SOURCES	2048
-#define OPENPIC_MAX_PROCESSORS	32
-
-#define OPENPIC_NUM_TIMERS	4
-#define OPENPIC_NUM_IPI		4
-#define OPENPIC_NUM_PRI		16
-#define OPENPIC_NUM_VECTORS	256
-
-
-    /*
-     *  Vector numbers
-     */
-
-#define OPENPIC_VEC_SOURCE      16    /* and up */
-#define OPENPIC_VEC_TIMER       64    /* and up */
-#define OPENPIC_VEC_IPI         72    /* and up */
-#define OPENPIC_VEC_SPURIOUS    127
-
-
-    /*
-     *  OpenPIC Registers are 32 bits and aligned on 128 bit boundaries
-     */
-
-typedef struct _OpenPIC_Reg {
-    u_int Reg;					/* Little endian! */
-    char Pad[0xc];
-} OpenPIC_Reg;
-
-
-    /*
-     *  Per Processor Registers
-     */
-
-typedef struct _OpenPIC_Processor {
-    /*
-     *  Private Shadow Registers (for SLiC backwards compatibility)
-     */
-    u_int IPI0_Dispatch_Shadow;			/* Write Only */
-    char Pad1[0x4];
-    u_int IPI0_Vector_Priority_Shadow;		/* Read/Write */
-    char Pad2[0x34];
-    /*
-     *  Interprocessor Interrupt Command Ports
-     */
-    OpenPIC_Reg _IPI_Dispatch[OPENPIC_NUM_IPI];	/* Write Only */
-    /*
-     *  Current Task Priority Register
-     */
-    OpenPIC_Reg _Current_Task_Priority;		/* Read/Write */
-#ifndef __powerpc__
-    /*
-     *  Who Am I Register
-     */
-    OpenPIC_Reg _Who_Am_I;			/* Read Only */
-#else
-    char Pad3[0x10];
-#endif
-#ifndef __i386__
-    /*
-     *  Interrupt Acknowledge Register
-     */
-    OpenPIC_Reg _Interrupt_Acknowledge;		/* Read Only */
-#else
-    char Pad4[0x10];
-#endif
-    /*
-     *  End of Interrupt (EOI) Register
-     */
-    OpenPIC_Reg _EOI;				/* Read/Write */
-    char Pad5[0xf40];
-} OpenPIC_Processor;
-
-
-    /*
-     *  Timer Registers
-     */
-
-typedef struct _OpenPIC_Timer {
-    OpenPIC_Reg _Current_Count;			/* Read Only */
-    OpenPIC_Reg _Base_Count;			/* Read/Write */
-    OpenPIC_Reg _Vector_Priority;		/* Read/Write */
-    OpenPIC_Reg _Destination;			/* Read/Write */
-} OpenPIC_Timer;
-
-
-    /*
-     *  Global Registers
-     */
-
-typedef struct _OpenPIC_Global {
-    /*
-     *  Feature Reporting Registers
-     */
-    OpenPIC_Reg _Feature_Reporting0;		/* Read Only */
-    OpenPIC_Reg _Feature_Reporting1;		/* Future Expansion */
-    /*
-     *  Global Configuration Registers
-     */
-    OpenPIC_Reg _Global_Configuration0;		/* Read/Write */
-    OpenPIC_Reg _Global_Configuration1;		/* Future Expansion */
-    /*
-     *  Vendor Specific Registers
-     */
-    OpenPIC_Reg _Vendor_Specific[4];
-    /*
-     *  Vendor Identification Register
-     */
-    OpenPIC_Reg _Vendor_Identification;		/* Read Only */
-    /*
-     *  Processor Initialization Register
-     */
-    OpenPIC_Reg _Processor_Initialization;	/* Read/Write */
-    /*
-     *  IPI Vector/Priority Registers
-     */
-    OpenPIC_Reg _IPI_Vector_Priority[OPENPIC_NUM_IPI];	/* Read/Write */
-    /*
-     *  Spurious Vector Register
-     */
-    OpenPIC_Reg _Spurious_Vector;		/* Read/Write */
-    /*
-     *  Global Timer Registers
-     */
-    OpenPIC_Reg _Timer_Frequency;		/* Read/Write */
-    OpenPIC_Timer Timer[OPENPIC_NUM_TIMERS];
-    char Pad1[0xee00];
-} OpenPIC_Global;
-
-
-    /*
-     *  Interrupt Source Registers
-     */
-
-typedef struct _OpenPIC_Source {
-    OpenPIC_Reg _Vector_Priority;		/* Read/Write */
-    OpenPIC_Reg _Destination;			/* Read/Write */
-} OpenPIC_Source;
-
-
-    /*
-     *  OpenPIC Register Map
-     */
-
-struct OpenPIC {
-#ifndef __powerpc__
-    /*
-     *  Per Processor Registers --- Private Access
-     */
-    OpenPIC_Processor Private;
-#else
-    char Pad1[0x1000];
-#endif
-    /*
-     *  Global Registers
-     */
-    OpenPIC_Global Global;
-    /*
-     *  Interrupt Source Configuration Registers
-     */
-    OpenPIC_Source Source[OPENPIC_MAX_SOURCES];
-    /*
-     *  Per Processor Registers
-     */
-    OpenPIC_Processor Processor[OPENPIC_MAX_PROCESSORS];
-};
-
-extern volatile struct OpenPIC *OpenPIC;
-extern u_int OpenPIC_NumInitSenses;
-extern u_char *OpenPIC_InitSenses;
-
-
-    /*
-     *  Current Task Priority Register
-     */
-
-#define OPENPIC_CURRENT_TASK_PRIORITY_MASK	0x0000000f
-
-    /*
-     *  Who Am I Register
-     */
-
-#define OPENPIC_WHO_AM_I_ID_MASK		0x0000001f
-
-    /*
-     *  Feature Reporting Register 0
-     */
-
-#define OPENPIC_FEATURE_LAST_SOURCE_MASK	0x07ff0000
-#define OPENPIC_FEATURE_LAST_SOURCE_SHIFT	16
-#define OPENPIC_FEATURE_LAST_PROCESSOR_MASK	0x00001f00
-#define OPENPIC_FEATURE_LAST_PROCESSOR_SHIFT	8
-#define OPENPIC_FEATURE_VERSION_MASK		0x000000ff
-
-    /*
-     *  Global Configuration Register 0
-     */
-
-#define OPENPIC_CONFIG_RESET			0x80000000
-#define OPENPIC_CONFIG_8259_PASSTHROUGH_DISABLE	0x20000000
-#define OPENPIC_CONFIG_BASE_MASK		0x000fffff
-
-    /*
-     *  Vendor Identification Register
-     */
-
-#define OPENPIC_VENDOR_ID_STEPPING_MASK		0x00ff0000
-#define OPENPIC_VENDOR_ID_STEPPING_SHIFT	16
-#define OPENPIC_VENDOR_ID_DEVICE_ID_MASK	0x0000ff00
-#define OPENPIC_VENDOR_ID_DEVICE_ID_SHIFT	8
-#define OPENPIC_VENDOR_ID_VENDOR_ID_MASK	0x000000ff
-
-    /*
-     *  Vector/Priority Registers
-     */
-
-#define OPENPIC_MASK				0x80000000
-#define OPENPIC_ACTIVITY			0x40000000	/* Read Only */
-#define OPENPIC_PRIORITY_MASK			0x000f0000
-#define OPENPIC_PRIORITY_SHIFT			16
-#define OPENPIC_VECTOR_MASK			0x000000ff
-
-
-    /*
-     *  Interrupt Source Registers
-     */
-
-#define OPENPIC_POLARITY_POSITIVE		0x00800000
-#define OPENPIC_POLARITY_NEGATIVE		0x00000000
-#define OPENPIC_POLARITY_MASK			0x00800000
-#define OPENPIC_SENSE_LEVEL			0x00400000
-#define OPENPIC_SENSE_EDGE			0x00000000
-#define OPENPIC_SENSE_MASK			0x00400000
-
-
-    /*
-     *  Timer Registers
-     */
-
-#define OPENPIC_COUNT_MASK			0x7fffffff
-#define OPENPIC_TIMER_TOGGLE			0x80000000
-#define OPENPIC_TIMER_COUNT_INHIBIT		0x80000000
-
-
-    /*
-     *  Aliases to make life simpler
-     */
-
-/* Per Processor Registers */
-#define IPI_Dispatch(i)			_IPI_Dispatch[i].Reg
-#define Current_Task_Priority		_Current_Task_Priority.Reg
-#ifndef __powerpc__
-#define Who_Am_I			_Who_Am_I.Reg
-#endif
-#ifndef __i386__
-#define Interrupt_Acknowledge		_Interrupt_Acknowledge.Reg
-#endif
-#define EOI				_EOI.Reg
-
-/* Global Registers */
-#define Feature_Reporting0		_Feature_Reporting0.Reg
-#define Feature_Reporting1		_Feature_Reporting1.Reg
-#define Global_Configuration0		_Global_Configuration0.Reg
-#define Global_Configuration1		_Global_Configuration1.Reg
-#define Vendor_Specific(i)		_Vendor_Specific[i].Reg
-#define Vendor_Identification		_Vendor_Identification.Reg
-#define Processor_Initialization	_Processor_Initialization.Reg
-#define IPI_Vector_Priority(i)		_IPI_Vector_Priority[i].Reg
-#define Spurious_Vector			_Spurious_Vector.Reg
-#define Timer_Frequency			_Timer_Frequency.Reg
-
-/* Timer Registers */
-#define Current_Count			_Current_Count.Reg
-#define Base_Count			_Base_Count.Reg
-#define Vector_Priority			_Vector_Priority.Reg
-#define Destination			_Destination.Reg
-
-/* Interrupt Source Registers */
-#define Vector_Priority			_Vector_Priority.Reg
-#define Destination			_Destination.Reg
-
-    /*
-     *  OpenPIC Operations
-     */
-
-/* Global Operations */
-extern void openpic_init(int);
-extern void openpic_reset(void);
-extern void openpic_enable_8259_pass_through(void);
-extern void openpic_disable_8259_pass_through(void);
-#ifndef __i386__
-extern u_int openpic_irq(u_int cpu);
-#endif
-#ifndef __powerpc__
-extern void openpic_eoi(void);
-extern u_int openpic_get_priority(void);
-extern void openpic_set_priority(u_int pri);
-#else
-extern void openpic_eoi(u_int cpu);
-extern u_int openpic_get_priority(u_int cpu);
-extern void openpic_set_priority(u_int cpu, u_int pri);
-#endif
-extern u_int openpic_get_spurious(void);
-extern void openpic_set_spurious(u_int vector);
-extern void openpic_init_processor(u_int cpumask);
-
-/* Interprocessor Interrupts */
-extern void openpic_initipi(u_int ipi, u_int pri, u_int vector);
-#ifndef __powerpc__
-extern void openpic_cause_IPI(u_int ipi, u_int cpumask);
-#else
-extern void openpic_cause_IPI(u_int cpu, u_int ipi, u_int cpumask);
-#endif
-
-/* Timer Interrupts */
-extern void openpic_inittimer(u_int timer, u_int pri, u_int vector);
-extern void openpic_maptimer(u_int timer, u_int cpumask);
-
-/* Interrupt Sources */
-extern void openpic_enable_irq(u_int irq);
-extern void openpic_disable_irq(u_int irq);
-extern void openpic_initirq(u_int irq, u_int pri, u_int vector, int polarity,
-			    int is_level);
-extern void openpic_mapirq(u_int irq, u_int cpumask);
-extern void openpic_set_sense(u_int irq, int sense);
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_OPENPIC_H */