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#ifndef __MSGBOX_SX_H
#define __MSGBOX_SX_H
#include "hal_msgbox.h"
#include "errno.h"
#include <stdint.h>
enum msgbox_direction {
MSGBOX_DIRECTION_DSP,
MSGBOX_DIRECTION_CPU,
};
enum msgbox_channel_direction {
MSGBOX_CHANNEL_RECEIVE,
MSGBOX_CHANNEL_SEND,
};
struct messagebox;
struct msg_channel {
struct messagebox *mb;
enum msgbox_channel_direction dir;
void *data;
unsigned char *send;
int len;
int idx;
int (*cb_of_msg_queue)(int queue, void *data);
int (*cb_tx_done)(unsigned long d, void *data);
int (*cb_rx)(unsigned long d, void *data);
int channel;
};
/**
* @base: messagebox base address
* @this_user: the messagebox user
*/
struct messagebox {
unsigned long base;
int this_user;
int (*channel_set_direction)(struct messagebox *, int channel,
enum msgbox_channel_direction dir);
int (*channel_irq_set)(struct messagebox *, int channel, int enable);
int (*channel_read)(struct messagebox *, int channel,
unsigned long *read);
int (*channel_write)(struct messagebox *, int channel,
unsigned long write);
int (*channel_fifo_len)(struct messagebox *, int channel);
struct msg_channel msg_handler[0];
};
extern struct messagebox *msgbox_dsp;
extern struct messagebox *msgbox_cpu;
int messagebox_init_sx(void);
struct msg_channel *msgbox_alloc_channel_sx(struct messagebox *mb, int channel,
enum msgbox_channel_direction dir,
int (*func)(unsigned long, void *),
void *data);
void msgbox_free_channel_sx(struct messagebox *mb, struct msg_channel *ch);
int msgbox_channel_send_data_sx(struct msg_channel *ch, unsigned char *d,
size_t len);
#define MSGBOX_CHANNEL_DEPTH 8
#define MSGBOX_MAX_QUEUE 8
#define MSGBOX_MAX_USER 2
int msg_ops_init_sx(struct messagebox *mb);
int msg_irq_handler_sx(int i, void *mb);
#endif /* __MSGBOX_SX_H */
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