irq.h

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/*
        libbroadway - A general purpose library to control the Wii.
        IRQ support

Copyright (C) 2009              Bernhard Urban <lewurm@gmx.net>
Copyright (C) 2009              Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
Copyright (C) 2009-2010         Alex Marshall <trap15@raidenii.net>

# This code is licensed to you under the terms of the GNU GPL, version 2;
# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*/

#ifndef __IRQ_H__
#define __IRQ_H__

#include <types.h>
#include <broadway/hollywood.h>

/* Broadway Processor Interface Registers */
#define HW_BWIRQFLAG            PI_INT_CAUSE    
#define HW_BWIRQMASK            PI_INT_MASK     
#define IRQ_HW_TIMER            (0)     
#define IRQ_HW_NAND             (1)     
#define IRQ_HW_AES              (2)     
#define IRQ_HW_SHA1             (3)     
#define IRQ_HW_EHCI             (4)     
#define IRQ_HW_OHCI0            (5)     
#define IRQ_HW_OHCI1            (6)     
#define IRQ_HW_SDHC             (7)     
#define IRQ_HW_WIFI             (8)     
#define IRQ_HW_GPIO1B           (10)    
#define IRQ_HW_GPIO1            (11)    
#define IRQ_HW_RESET            (17)    
#define IRQ_HW_PPCIPC           (30)    
#define IRQ_HW_IPC              (31)    
/* Not a real IRQ, just a little helpful something */
#define IRQ_HW_MAX              (32)

// http://hitmen.c02.at/files/yagcd/yagcd/chap5.html#sec5.4
#define IRQ_BW_RESET            (1)     
#define IRQ_BW_DI               (2)     
#define IRQ_BW_SI               (3)     
#define IRQ_BW_EXI              (4)     
#define IRQ_BW_AI               (5)     
#define IRQ_BW_DSP              (6)     
#define IRQ_BW_MEM              (7)     
#define IRQ_BW_VI               (8)     
#define IRQ_BW_PE_TOKEN         (9)     
#define IRQ_BW_PE_FINISH        (10)    
#define IRQ_BW_CP               (11)    
#define IRQ_BW_DEBUG            (12)    
#define IRQ_BW_HSP              (13)    
#define IRQ_BW_HW               (14)    
#define IRQ_BW_RESET_SW         (16)    
/* Not a real IRQ, just a little helpful something */
#define IRQ_BW_MAX              (32)

#define IRQ_MI_MEM0             (0)     
#define IRQ_MI_MEM1             (1)     
#define IRQ_MI_MEM2             (2)     
#define IRQ_MI_MEM3             (3)     
#define IRQ_MI_MEMADDR          (4)     
/* Not a real IRQ, just a little helpful something */
#define IRQ_MI_MAX              (5)

#define IRQ_EXI_EXI0            (0)     
#define IRQ_EXI_TC0             (1)     
#define IRQ_EXI_EXT0            (2)     
#define IRQ_EXI_EXI1            (3)     
#define IRQ_EXI_TC1             (4)     
#define IRQ_EXI_EXT1            (5)     
#define IRQ_EXI_EXI2            (6)     
#define IRQ_EXI_TC2             (7)     
#define IRQ_EXI_EXT2            (8)     
/* Not a real IRQ, just a little helpful something */
#define IRQ_EXI_MAX             (9)

#define IRQ_DI_BREAK            (0)     
#define IRQ_DI_TC               (1)     
#define IRQ_DI_ERROR            (2)     
#define IRQ_DI_COVER            (3)     
/* Not a real IRQ, just a little helpful something */
#define IRQ_DI_MAX              (4)

#define IRQF(n)                 (1 << n)        
#define IRQF_HW_TIMER           (IRQF(IRQ_HW_TIMER))    
#define IRQF_HW_NAND            (IRQF(IRQ_HW_NAND))     
#define IRQF_HW_AES             (IRQF(IRQ_HW_AES))      
#define IRQF_HW_SHA1            (IRQF(IRQ_HW_SHA1))     
#define IRQF_HW_EHCI            (IRQF(IRQ_HW_EHCI))     
#define IRQF_HW_OHCI0           (IRQF(IRQ_HW_OHCI0))    
#define IRQF_HW_OHCI1           (IRQF(IRQ_HW_OHCI1))    
#define IRQF_HW_SDHC            (IRQF(IRQ_HW_SDHC))     
#define IRQF_HW_WIFI            (IRQF(IRQ_HW_WIFI))     
#define IRQF_HW_GPIO1B          (IRQF(IRQ_HW_GPIO1B))   
#define IRQF_HW_GPIO1           (IRQF(IRQ_HW_GPIO1))    
#define IRQF_HW_RESET           (IRQF(IRQ_HW_RESET))    
#define IRQF_HW_PPCIPC          (IRQF(IRQ_HW_PPCIPC))   
#define IRQF_HW_IPC             (IRQF(IRQ_HW_IPC))      
#define IRQF_BW_RESET           (IRQF(IRQ_BW_RESET))    
#define IRQF_BW_DI              (IRQF(IRQ_BW_DI))       
#define IRQF_BW_SI              (IRQF(IRQ_BW_SI))       
#define IRQF_BW_EXI             (IRQF(IRQ_BW_EXI))      
#define IRQF_BW_AI              (IRQF(IRQ_BW_AI))       
#define IRQF_BW_DSP             (IRQF(IRQ_BW_DSP))      
#define IRQF_BW_MEM             (IRQF(IRQ_BW_MEM))      
#define IRQF_BW_VI              (IRQF(IRQ_BW_VI))       
#define IRQF_BW_PE_TOKEN        (IRQF(IRQ_BW_PE_TOKEN)) 
#define IRQF_BW_PE_FINISH       (IRQF(IRQ_BW_PE_FINISH))
#define IRQF_BW_CP              (IRQF(IRQ_BW_CP))       
#define IRQF_BW_DEBUG           (IRQF(IRQ_BW_DEBUG))    
#define IRQF_BW_HSP             (IRQF(IRQ_BW_HSP))      
#define IRQF_BW_HW              (IRQF(IRQ_BW_HW))       
#define IRQF_BW_RESET_SW        (IRQF(IRQ_BW_RESET_SW)) 
#define IRQF_MI_MEM0            (IRQF(IRQ_MI_MEM0))     
#define IRQF_MI_MEM1            (IRQF(IRQ_MI_MEM1))     
#define IRQF_MI_MEM2            (IRQF(IRQ_MI_MEM2))     
#define IRQF_MI_MEM3            (IRQF(IRQ_MI_MEM3))     
#define IRQF_MI_MEMADDR         (IRQF(IRQ_MI_MEMADDR))  
#define IRQF_EXI_EXI0           (IRQF(IRQ_EXI_EXI0))    
#define IRQF_EXI_TC0            (IRQF(IRQ_EXI_TC0))     
#define IRQF_EXI_EXT0           (IRQF(IRQ_EXI_EXT0))    
#define IRQF_EXI_EXI1           (IRQF(IRQ_EXI_EXI1))    
#define IRQF_EXI_TC1            (IRQF(IRQ_EXI_TC1))     
#define IRQF_EXI_EXT1           (IRQF(IRQ_EXI_EXT1))    
#define IRQF_EXI_EXI2           (IRQF(IRQ_EXI_EXI2))    
#define IRQF_EXI_TC2            (IRQF(IRQ_EXI_TC2))     
#define IRQF_EXI_EXT2           (IRQF(IRQ_EXI_EXT2))    
#define IRQF_DI_BREAK           (IRQF(IRQ_DI_BREAK))    
#define IRQF_DI_TC              (IRQF(IRQ_DI_TC))       
#define IRQF_DI_ERROR           (IRQF(IRQ_DI_ERROR))    
#define IRQF_DI_COVER           (IRQF(IRQ_DI_COVER))    
#define IRQF_HW_ALL     (IRQF_HW_TIMER  | IRQF_HW_NAND   | IRQF_HW_AES   | IRQF_HW_SHA1  | \
                         IRQF_HW_EHCI   | IRQF_HW_OHCI0  | IRQF_HW_OHCI1 | IRQF_HW_SDHC  | \
                         IRQF_HW_WIFI   | IRQF_HW_GPIO1B | IRQF_HW_GPIO1 | IRQF_HW_RESET | \
                         IRQF_HW_PPCIPC | IRQF_HW_IPC )

#define IRQF_BW_ALL     (IRQF_BW_RESET    | IRQF_BW_DI        | IRQF_BW_SI       | IRQF_BW_EXI   | \
                         IRQF_BW_AI       | IRQF_BW_DSP       | IRQF_BW_MEM      | IRQF_BW_VI    | \
                         IRQF_BW_PE_TOKEN | IRQF_BW_PE_FINISH | IRQF_BW_CP       | IRQF_BW_DEBUG | \
                         IRQF_BW_HSP      | IRQF_BW_HW        | IRQF_BW_RESET_SW )

#define IRQF_MI_ALL     (IRQF_MI_MEM0 | IRQF_MI_MEM1 | IRQF_MI_MEM2 | IRQF_MI_MEM3 | \
                         IRQF_MI_MEMADDR)

#define IRQF_EXI_ALL    (IRQF_EXI_EXI0 | IRQF_EXI_TC0 | IRQF_EXI_EXT0 | \
                         IRQF_EXI_EXI1 | IRQF_EXI_TC1 | IRQF_EXI_EXT1 | \
                         IRQF_EXI_EXI2 | IRQF_EXI_TC2 | IRQF_EXI_EXT2 )

#define IRQF_DI_ALL     (IRQF_DI_BREAK | IRQF_DI_TC | IRQF_DI_ERROR | IRQF_DI_COVER)

typedef struct {
        int     (*exec)(u32 irq, void* data);   
        void*   data;                           
} irq_handler_t;

void irq_initialize(void);
void irq_shutdown(void);

void irq_bw_enable(u32 irq);
void irq_bw_disable(u32 irq);
void irq_hw_enable(u32 irq);
void irq_hw_disable(u32 irq);

void irq_enable(void);
u32  irq_disable(void);
void irq_restore(u32 was_on);

int irq_hw_register_handler(u32 irqn, int (*exec)(u32 irq, void* data), void* data);
irq_handler_t irq_hw_get_handler(u32 irqn);
int irq_bw_register_handler(u32 irqn, int (*exec)(u32 irq, void* data), void* data);
irq_handler_t irq_bw_get_handler(u32 irqn);

#endif