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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __IXP4XX_NPE_H
3#define __IXP4XX_NPE_H
4
5#include <linux/kernel.h>
6
7extern const char *npe_names[];
8
9struct npe_regs {
10 u32 exec_addr, exec_data, exec_status_cmd, exec_count;
11 u32 action_points[4];
12 u32 watchpoint_fifo, watch_count;
13 u32 profile_count;
14 u32 messaging_status, messaging_control;
15 u32 mailbox_status, /*messaging_*/ in_out_fifo;
16};
17
18struct npe {
19 struct npe_regs __iomem *regs;
20 int id;
21 int valid;
22};
23
24
25static inline const char *npe_name(struct npe *npe)
26{
27 return npe_names[npe->id];
28}
29
30int npe_running(struct npe *npe);
31int npe_send_message(struct npe *npe, const void *msg, const char *what);
32int npe_recv_message(struct npe *npe, void *msg, const char *what);
33int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
34int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
35struct npe *npe_request(unsigned id);
36void npe_release(struct npe *npe);
37
38#endif /* __IXP4XX_NPE_H */