npe.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __IXP4XX_NPE_H
 3#define __IXP4XX_NPE_H
 4
 5#include <linux/kernel.h>
 6#include <linux/regmap.h>
 7
 8extern const char *npe_names[];
 9
10struct npe_regs {
11	u32 exec_addr, exec_data, exec_status_cmd, exec_count;
12	u32 action_points[4];
13	u32 watchpoint_fifo, watch_count;
14	u32 profile_count;
15	u32 messaging_status, messaging_control;
16	u32 mailbox_status, /*messaging_*/ in_out_fifo;
17};
18
19struct npe {
20	struct npe_regs __iomem *regs;
21	struct regmap *rmap;
22	int id;
23	int valid;
24};
25
26
27static inline const char *npe_name(struct npe *npe)
28{
29	return npe_names[npe->id];
30}
31
32int npe_running(struct npe *npe);
33int npe_send_message(struct npe *npe, const void *msg, const char *what);
34int npe_recv_message(struct npe *npe, void *msg, const char *what);
35int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
36int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
37struct npe *npe_request(unsigned id);
38void npe_release(struct npe *npe);
39
40#endif /* __IXP4XX_NPE_H */