550 lines
12 KiB
C
550 lines
12 KiB
C
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/*++
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Copyright (c) 1990-1998 Microsoft Corporation
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Module Name:
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pciirqmp.c
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Abstract:
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This is the PCI IRQ Miniport library.
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Author:
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Santosh Jodh (santoshj) 09-June-1998
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Environment:
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kernel mode only
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Revision History:
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--*/
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#include "local.h"
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//
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// Macro to declare a table of function pointers for the chipset
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// module.
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//
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#define DECLARE_CHIPSET(x) \
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{ DECLARE_MINIPORT_FUNCTION(x, ValidateTable), \
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DECLARE_MINIPORT_FUNCTION(x, GetIRQ), \
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DECLARE_MINIPORT_FUNCTION(x, SetIRQ), \
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DECLARE_MINIPORT_FUNCTION(x, GetTrigger), \
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DECLARE_MINIPORT_FUNCTION(x, SetTrigger) \
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}
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//
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// Macro to declare a table of function pointers for EISA
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// compatible chipset module.
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//
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#define DECLARE_EISA_CHIPSET(x) \
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{ DECLARE_MINIPORT_FUNCTION(x, ValidateTable), \
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DECLARE_MINIPORT_FUNCTION(x, GetIRQ), \
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DECLARE_MINIPORT_FUNCTION(x, SetIRQ), \
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EisaGetTrigger, \
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EisaSetTrigger \
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}
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//
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// Macro to declare the functions to be provided by the chipset
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// module.
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//
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#define DECLARE_IRQ_MINIPORT(x) \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, ValidateTable) ( \
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IN PPCI_IRQ_ROUTING_TABLE PciIrqRoutingTable, \
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IN ULONG Flags \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, GetIRQ) ( \
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OUT PUCHAR Irq, \
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IN UCHAR Link \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION( x, SetIRQ) ( \
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IN UCHAR Irq, \
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IN UCHAR Link \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, GetTrigger) ( \
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OUT PULONG Trigger \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, SetTrigger) ( \
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IN ULONG Trigger \
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);
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//
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// Macro to declare the functions to be provided by the EISA
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// compatible chipset.
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//
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#define DECLARE_EISA_IRQ_MINIPORT(x) \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, ValidateTable) ( \
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IN PPCI_IRQ_ROUTING_TABLE PciIrqRoutingTable, \
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IN ULONG Flags \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION(x, GetIRQ) ( \
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OUT PUCHAR Irq, \
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IN UCHAR Link \
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); \
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NTSTATUS \
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DECLARE_MINIPORT_FUNCTION( x, SetIRQ) ( \
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IN UCHAR Irq, \
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IN UCHAR Link \
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);
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//
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// Function prototypes for functions that every chipset module
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// has to provide.
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//
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typedef
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NTSTATUS
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(*PIRQMINI_VALIDATE_TABLE) (
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PPCI_IRQ_ROUTING_TABLE PciIrqRoutingTable,
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ULONG Flags
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);
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typedef
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NTSTATUS
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(*PIRQMINI_GET_IRQ) (
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OUT PUCHAR Irq,
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IN UCHAR Link
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);
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typedef
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NTSTATUS
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(*PIRQMINI_SET_IRQ) (
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IN UCHAR Irq,
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IN UCHAR Link
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);
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typedef
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NTSTATUS
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(*PIRQMINI_GET_TRIGGER) (
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OUT PULONG Trigger
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);
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typedef
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NTSTATUS
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(*PIRQMINI_SET_TRIGGER) (
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IN ULONG Trigger
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);
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//
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// Chipset specific data contains a table of function pointers
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// to program the chipset.
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//
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typedef struct _CHIPSET_DATA {
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PIRQMINI_VALIDATE_TABLE ValidateTable;
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PIRQMINI_GET_IRQ GetIrq;
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PIRQMINI_SET_IRQ SetIrq;
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PIRQMINI_GET_TRIGGER GetTrigger;
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PIRQMINI_SET_TRIGGER SetTrigger;
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} CHIPSET_DATA, *PCHIPSET_DATA;
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//
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// Declare all miniports here.
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//
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DECLARE_EISA_IRQ_MINIPORT(Mercury)
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DECLARE_EISA_IRQ_MINIPORT(Triton)
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DECLARE_IRQ_MINIPORT(VLSI)
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DECLARE_IRQ_MINIPORT(OptiViper)
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DECLARE_EISA_IRQ_MINIPORT(SiS5503)
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DECLARE_IRQ_MINIPORT(VLSIEagle)
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DECLARE_EISA_IRQ_MINIPORT(M1523)
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DECLARE_IRQ_MINIPORT(NS87560)
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DECLARE_EISA_IRQ_MINIPORT(Compaq3)
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DECLARE_EISA_IRQ_MINIPORT(M1533)
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DECLARE_IRQ_MINIPORT(OptiFireStar)
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DECLARE_EISA_IRQ_MINIPORT(VT586)
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DECLARE_EISA_IRQ_MINIPORT(CPQOSB)
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DECLARE_EISA_IRQ_MINIPORT(CPQ1000)
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DECLARE_EISA_IRQ_MINIPORT(Cx5520)
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DECLARE_IRQ_MINIPORT(Toshiba)
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DECLARE_IRQ_MINIPORT(NEC)
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DECLARE_IRQ_MINIPORT(VESUVIUS)
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//
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// Table of chipset drivers.
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//
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const CHIPSET_DATA rgChipData[] = {
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DECLARE_EISA_CHIPSET(Mercury), // Intel 82374EB\SB (80860482)
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DECLARE_EISA_CHIPSET(Triton), // Intel 82430FX (8086122E)
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DECLARE_CHIPSET(VLSI), // VLSI VL82C596/7
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DECLARE_CHIPSET(OptiViper), // OPTi Viper-M
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DECLARE_EISA_CHIPSET(SiS5503), // SIS P54C
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DECLARE_CHIPSET(VLSIEagle), // VLSI VL82C534
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DECLARE_EISA_CHIPSET(M1523), // ALi M1523
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DECLARE_CHIPSET(NS87560), // Nat Semi NS87560
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DECLARE_EISA_CHIPSET(Compaq3), // Compaq MISC 3
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DECLARE_EISA_CHIPSET(M1533), // ALi M1533
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DECLARE_CHIPSET(OptiFireStar), // OPTI FIRESTAR
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DECLARE_EISA_CHIPSET(VT586), // VIATECH 82C586B
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DECLARE_EISA_CHIPSET(CPQOSB), // Conpaq OSB
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DECLARE_EISA_CHIPSET(CPQ1000), // Conpaq 1000
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DECLARE_EISA_CHIPSET(Cx5520), // Cyrix 5520
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DECLARE_CHIPSET(Toshiba), // Toshiba
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DECLARE_CHIPSET(NEC), // NEC PC9800
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DECLARE_CHIPSET(VESUVIUS) //
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};
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#define NUMBER_OF_CHIPSETS (sizeof(rgChipData) / sizeof(CHIPSET_DATA))
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//
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// Global variables shared by all modules.
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//
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ULONG bBusPIC = -1;
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ULONG bDevFuncPIC = -1;
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CHIPSET_DATA const* rgChipSet = NULL;
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, PciirqmpInit)
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#pragma alloc_text(PAGE, PciirqmpExit)
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#pragma alloc_text(PAGE, PciirqmpValidateTable)
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#endif //ALLOC_PRAGMA
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NTSTATUS
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PciirqmpInit (
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ULONG Instance,
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ULONG RouterBus,
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ULONG RouterDevFunc
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)
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/*++
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Routine Description:
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This routine initializes calls the individual chipset handler
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to validate the Pci Irq Routing Table.
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Parameters:
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PciIrqRoutingTable - Pci Irq Routing Table.
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Flags - Flags specifying source of the Pci Irq Routing Table.
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Return Value:
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Standard Pci Irq Miniport return value.
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Notes:
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--*/
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{
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PAGED_CODE();
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//
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// Check to make sure that we are not already initialized.
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//
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if (rgChipSet != NULL)
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{
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PCIIRQMPPRINT(("IRQ miniport already initialized!"));
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return (PCIIRQMP_STATUS_ALREADY_INITIALIZED);
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}
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//
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// Check for invalid instance.
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//
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if (Instance >= NUMBER_OF_CHIPSETS)
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{
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PCIIRQMPPRINT(("Invalid IRQ miniport instance %08X", Instance));
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return (PCIIRQMP_STATUS_INVALID_INSTANCE);
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}
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//
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// Save our global data.
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//
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rgChipSet = &rgChipData[Instance];
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bBusPIC = RouterBus;
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bDevFuncPIC = RouterDevFunc;
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return (PCIMP_SUCCESS);
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}
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NTSTATUS
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PciirqmpExit (
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VOID
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)
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/*++
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Routine Description:
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This routine cleans up after the Pci Irq Routing miniport library.
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Parameters:
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None.
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Return Value:
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Standard Pci Irq Miniport return value.
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Notes:
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--*/
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{
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PAGED_CODE();
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//
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// Were we ever initialized?
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//
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if (rgChipSet == NULL)
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{
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PCIIRQMPPRINT(("Cannot exit without having been initialized!"));
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return (PCIIRQMP_STATUS_NOT_INITIALIZED);
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}
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//
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// Clean up.
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//
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rgChipSet = NULL;
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bBusPIC = -1;
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bDevFuncPIC = -1;
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return (PCIMP_SUCCESS);
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}
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NTSTATUS
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PciirqmpValidateTable (
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IN PPCI_IRQ_ROUTING_TABLE PciIrqRoutingTable,
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IN ULONG Flags
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)
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/*++
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Routine Description:
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This routine normalizes calls the individual chipset handler
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to validate the Pci Irq Routing Table.
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Parameters:
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PciIrqRoutingTable - Pci Irq Routing Table.
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Flags - Flags specifying source of the Pci Irq Routing Table.
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Return Value:
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Standard Pci Irq Miniport return value.
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Notes:
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--*/
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{
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PAGED_CODE();
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//
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// Were we ever initialized?
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//
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if (rgChipSet == NULL)
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{
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PCIIRQMPPRINT(("Not initialized yet!"));
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return (PCIIRQMP_STATUS_NOT_INITIALIZED);
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}
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//
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// Call the chipset handler.
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//
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return (rgChipSet->ValidateTable(PciIrqRoutingTable, Flags));
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}
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NTSTATUS
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PciirqmpGetIrq (
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OUT PUCHAR Irq,
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IN UCHAR Link
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)
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/*++
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Routine Description:
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This routine calls the individual chipset handler
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to set the link to the specified Irq.
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Parameters:
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Irq - Variable that receives the Irq.
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Link - Link to be read.
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Return Value:
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Standard Pci Irq Miniport return value.
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Notes:
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--*/
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{
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//
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// Were we ever initialized?
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//
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if (rgChipSet == NULL)
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{
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PCIIRQMPPRINT(("Not initialized yet!"));
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return (PCIIRQMP_STATUS_NOT_INITIALIZED);
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}
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//
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// Call the chipset handler.
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//
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return (rgChipSet->GetIrq(Irq, Link));
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}
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NTSTATUS
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PciirqmpSetIrq (
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IN UCHAR Irq,
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IN UCHAR Link
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)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine calls the individual chipset handler
|
||
|
|
to set the link to the specified Irq.
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
|
||
|
|
Irq - Irq to be set.
|
||
|
|
|
||
|
|
Link - Link to be programmed.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Standard Pci Irq Miniport return value.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Were we ever initialized?
|
||
|
|
//
|
||
|
|
|
||
|
|
if (rgChipSet == NULL)
|
||
|
|
{
|
||
|
|
PCIIRQMPPRINT(("Not initialized yet!"));
|
||
|
|
return (PCIIRQMP_STATUS_NOT_INITIALIZED);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Call the chipset handler.
|
||
|
|
//
|
||
|
|
|
||
|
|
return (rgChipSet->SetIrq(Irq, Link));
|
||
|
|
}
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
PciirqmpGetTrigger (
|
||
|
|
OUT PULONG Trigger
|
||
|
|
)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine calls the individual chipset handler
|
||
|
|
to get the interrupt edge\level mask.
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
|
||
|
|
Trigger - Variable that receives edge\level mask.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Standard Pci Irq Miniport return value.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Were we ever initialized?
|
||
|
|
//
|
||
|
|
|
||
|
|
if (rgChipSet == NULL)
|
||
|
|
{
|
||
|
|
PCIIRQMPPRINT(("Not initialized yet!"));
|
||
|
|
return (PCIIRQMP_STATUS_NOT_INITIALIZED);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Call the chipset handler.
|
||
|
|
//
|
||
|
|
|
||
|
|
return (rgChipSet->GetTrigger(Trigger));
|
||
|
|
}
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
PciirqmpSetTrigger (
|
||
|
|
IN ULONG Trigger
|
||
|
|
)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This routine calls the individual chipset handler
|
||
|
|
to set the interrupt edge\level mask.
|
||
|
|
|
||
|
|
Parameters:
|
||
|
|
|
||
|
|
Trigger - Edge\level mask to be set.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Standard Pci Irq Miniport return value.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Were we ever initialized?
|
||
|
|
//
|
||
|
|
|
||
|
|
if (rgChipSet == NULL)
|
||
|
|
{
|
||
|
|
PCIIRQMPPRINT(("Not initialized yet!"));
|
||
|
|
return (PCIIRQMP_STATUS_NOT_INITIALIZED);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Call the chipset handler and return the result.
|
||
|
|
//
|
||
|
|
|
||
|
|
return (rgChipSet->SetTrigger(Trigger));
|
||
|
|
}
|