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
8 extern const char *npe_names[];
9
10 struct 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
19 struct npe {
20 struct npe_regs __iomem *regs;
21 struct regmap *rmap;
22 int id;
23 int valid;
24 };
25
26
27 static inline const char *npe_name(struct npe *npe)
28 {
29 return npe_names[npe->id];
30 }
31
32 int npe_running(struct npe *npe);
33 int npe_send_message(struct npe *npe, const void *msg, const char *what);
34 int npe_recv_message(struct npe *npe, void *msg, const char *what);
35 int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
36 int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
37 struct npe *npe_request(unsigned id);
38 void npe_release(struct npe *npe);
39
40 #endif /* __IXP4XX_NPE_H */
41
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