#ifndef __HWMSGBOX_H__
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#define __HWMSGBOX_H__
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#include "ibase.h"
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#include "driver.h"
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#define CPUX_TRANSMIT 1
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#define COCO_RECEPTION 0
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#define CPUX_RECEPTION 1
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#define COCO_TRANSMIT 0
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#define COCO_SEND_NUMBER 1
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#define COCO_FB_NUMBER 1
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#define CPUX_SEND_NUMBER 1
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#define CPUX_FB_NUMBER 1
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#define BYTBCALL_NUMBER 1
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#define HWMSG_RESOLVE 0x1
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#define HWMSG_FEEDBACK 0x2
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#define HWMSG_SEND 0x3
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struct msg_queue {
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u32 channel_id;
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u32 channel_addr;
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u32 channel_dir;
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u32 irq_status;
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u32 fifo_status;
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};
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typedef struct {
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arisc_device dev;
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arisc_driver *dri;
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const struct msgbox_ops *ops;
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struct msg_queue coco_send[COCO_SEND_NUMBER];
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struct msg_queue coco_feedback[COCO_FB_NUMBER];
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struct msg_queue cpux_send[CPUX_SEND_NUMBER];
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struct msg_queue cpux_feedback[CPUX_FB_NUMBER];
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struct msg_queue cpus_simsyscall[BYTBCALL_NUMBER];
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} msgbox_device;
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void msgbox_set_direction(struct msg_queue *queue, u32 qdir);
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s32 msgbox_feedback(struct msg_queue *queue);
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s32 msgbox_send(struct msg_queue *queue,u32 addr);
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s32 msgbox_query(struct msg_queue *queue);
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int msgbox_init(void);
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#endif
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