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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __IXP4XX_NPE_H
#define __IXP4XX_NPE_H

#include <linux/kernel.h>

extern const char *npe_names[];

struct npe_regs {
	u32 exec_addr, exec_data, exec_status_cmd, exec_count;
	u32 action_points[4];
	u32 watchpoint_fifo, watch_count;
	u32 profile_count;
	u32 messaging_status, messaging_control;
	u32 mailbox_status, /*messaging_*/ in_out_fifo;
};

struct npe {
	struct npe_regs __iomem *regs;
	int id;
	int valid;
};


static inline const char *npe_name(struct npe *npe)
{
	return npe_names[npe->id];
}

int npe_running(struct npe *npe);
int npe_send_message(struct npe *npe, const void *msg, const char *what);
int npe_recv_message(struct npe *npe, void *msg, const char *what);
int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
struct npe *npe_request(unsigned id);
void npe_release(struct npe *npe);

#endif /* __IXP4XX_NPE_H */