irq.h

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/*-------------------------------------------------------------

irq.h -- Interrupt subsystem

Copyright (C) 2004
Michael Wiedenbauer (shagkur)
Dave Murphy (WinterMute)

This software is provided 'as-is', without any express or implied
warranty.  In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1.  The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.

2.  Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3.  This notice may not be removed or altered from any source
distribution.


-------------------------------------------------------------*/


#ifndef __IRQ_H__
#define __IRQ_H__

#include <gctypes.h>
#include "context.h"

#define IM_NONE              (0xffffffff)
#define IRQ_MEM0             0
#define IRQ_MEM1             1
#define IRQ_MEM2             2
#define IRQ_MEM3             3
#define IRQ_MEMADDRESS       4
#define IRQ_DSP_AI           5
#define IRQ_DSP_ARAM         6
#define IRQ_DSP_DSP          7
#define IRQ_AI               8
#define IRQ_EXI0_EXI         9
#define IRQ_EXI0_TC          10
#define IRQ_EXI0_EXT         11
#define IRQ_EXI1_EXI         12
#define IRQ_EXI1_TC          13
#define IRQ_EXI1_EXT         14
#define IRQ_EXI2_EXI         15
#define IRQ_EXI2_TC          16
#define IRQ_PI_CP            17
#define IRQ_PI_PETOKEN       18
#define IRQ_PI_PEFINISH      19
#define IRQ_PI_SI            20
#define IRQ_PI_DI            21
#define IRQ_PI_RSW           22
#define IRQ_PI_ERROR         23
#define IRQ_PI_VI            24
#define IRQ_PI_DEBUG         25
#define IRQ_PI_HSP           26
#if defined(HW_RVL)
#define IRQ_PI_ACR           27
#endif
#define IRQ_MAX              32

#define IRQMASK(irq)         (0x80000000u>>irq)

#define IM_MEM0              IRQMASK(IRQ_MEM0)
#define IM_MEM1              IRQMASK(IRQ_MEM1)
#define IM_MEM2              IRQMASK(IRQ_MEM2)
#define IM_MEM3              IRQMASK(IRQ_MEM3)
#define IM_MEMADDRESS        IRQMASK(IRQ_MEMADDRESS)
#define IM_MEM               (IM_MEM0|IM_MEM1|IM_MEM2|IM_MEM3|IM_MEMADDRESS)

#define IM_DSP_AI            IRQMASK(IRQ_DSP_AI)
#define IM_DSP_ARAM          IRQMASK(IRQ_DSP_ARAM)
#define IM_DSP_DSP           IRQMASK(IRQ_DSP_DSP)
#define IM_DSP               (IM_DSP_AI|IM_DSP_ARAM|IM_DSP_DSP)

#define IM_AI               IRQMASK(IRQ_AI)

#define IM_EXI0_EXI          IRQMASK(IRQ_EXI0_EXI)
#define IM_EXI0_TC           IRQMASK(IRQ_EXI0_TC)
#define IM_EXI0_EXT          IRQMASK(IRQ_EXI0_EXT)
#define IM_EXI0              (IM_EXI0_EXI|IM_EXI0_TC|IM_EXI0_EXT)

#define IM_EXI1_EXI          IRQMASK(IRQ_EXI1_EXI)
#define IM_EXI1_TC           IRQMASK(IRQ_EXI1_TC)
#define IM_EXI1_EXT          IRQMASK(IRQ_EXI1_EXT)
#define IM_EXI1              (IM_EXI1_EXI|IM_EXI1_TC|IM_EXI1_EXT)

#define IM_EXI2_EXI          IRQMASK(IRQ_EXI2_EXI)
#define IM_EXI2_TC           IRQMASK(IRQ_EXI2_TC)
#define IM_EXI2              (IM_EXI2_EXI|IM_EXI2_TC)
#define IM_EXI               (IM_EXI0|IM_EXI1|IM_EXI2)

#define IM_PI_CP             IRQMASK(IRQ_PI_CP)
#define IM_PI_PETOKEN        IRQMASK(IRQ_PI_PETOKEN)
#define IM_PI_PEFINISH       IRQMASK(IRQ_PI_PEFINISH)
#define IM_PI_SI             IRQMASK(IRQ_PI_SI)
#define IM_PI_DI             IRQMASK(IRQ_PI_DI)
#define IM_PI_RSW            IRQMASK(IRQ_PI_RSW)
#define IM_PI_ERROR          IRQMASK(IRQ_PI_ERROR)
#define IM_PI_VI             IRQMASK(IRQ_PI_VI)
#define IM_PI_DEBUG          IRQMASK(IRQ_PI_DEBUG)
#define IM_PI_HSP            IRQMASK(IRQ_PI_HSP)
#if defined(HW_DOL)
#define IM_PI                (IM_PI_CP|IM_PI_PETOKEN|IM_PI_PEFINISH|IM_PI_SI|IM_PI_DI|IM_PI_RSW|IM_PI_ERROR|IM_PI_VI|IM_PI_DEBUG|IM_PI_HSP)
#elif defined(HW_RVL)
#define IM_PI_ACR            IRQMASK(IRQ_PI_ACR)
#define IM_PI                (IM_PI_CP|IM_PI_PETOKEN|IM_PI_PEFINISH|IM_PI_SI|IM_PI_DI|IM_PI_RSW|IM_PI_ERROR|IM_PI_VI|IM_PI_DEBUG|IM_PI_HSP|IM_PI_ACR)
#endif

#ifdef __cplusplus
   extern "C" {
#endif /* __cplusplus */


typedef void (*raw_irq_handler_t)(u32 irq,void *ctx);


raw_irq_handler_t IRQ_Request(u32 nIrq,raw_irq_handler_t pHndl,void *pCtx);


raw_irq_handler_t IRQ_Free(u32 nIrq);


raw_irq_handler_t IRQ_GetHandler(u32 nIrq);


u32 IRQ_Disable(void);


void IRQ_Restore(u32 level);

void __MaskIrq(u32 nMask);
void __UnmaskIrq(u32 nMask);

#ifdef __cplusplus
   }
#endif /* __cplusplus */

#endif