1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __IXP4XX_NPE_H
3 #define __IXP4XX_NPE_H
4
5 #include <linux/kernel.h>
6
7 extern const char *npe_names[];
8
9 struct 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
18 struct npe {
19 struct npe_regs __iomem *regs;
20 int id;
21 int valid;
22 };
23
24
npe_name(struct npe * npe)25 static inline const char *npe_name(struct npe *npe)
26 {
27 return npe_names[npe->id];
28 }
29
30 int npe_running(struct npe *npe);
31 int npe_send_message(struct npe *npe, const void *msg, const char *what);
32 int npe_recv_message(struct npe *npe, void *msg, const char *what);
33 int npe_send_recv_message(struct npe *npe, void *msg, const char *what);
34 int npe_load_firmware(struct npe *npe, const char *name, struct device *dev);
35 struct npe *npe_request(unsigned id);
36 void npe_release(struct npe *npe);
37
38 #endif /* __IXP4XX_NPE_H */
39