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Reinhard Arltc2e49f72009-07-25 06:19:12 +02001/*
2 * caddy.c -- esd VME8349 support for "missing" access modes in TSI148.
3 * Copyright (c) 2009 esd gmbh.
4 *
5 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Reinhard Arltc2e49f72009-07-25 06:19:12 +02008 */
9
10#ifndef __CADDY_H__
11#define __CADDY_H__
12
13#define CMD_SIZE 1024
14#define ANSWER_SIZE 1024
15#define CADDY_MAGIC "esd vme8349 V1.0"
16
17enum caddy_cmds {
18 CADDY_CMD_IO_READ_8,
19 CADDY_CMD_IO_READ_16,
20 CADDY_CMD_IO_READ_32,
21 CADDY_CMD_IO_WRITE_8,
22 CADDY_CMD_IO_WRITE_16,
23 CADDY_CMD_IO_WRITE_32,
24 CADDY_CMD_CONFIG_READ_8,
25 CADDY_CMD_CONFIG_READ_16,
26 CADDY_CMD_CONFIG_READ_32,
27 CADDY_CMD_CONFIG_WRITE_8,
28 CADDY_CMD_CONFIG_WRITE_16,
29 CADDY_CMD_CONFIG_WRITE_32,
30};
31
32struct caddy_cmd {
33 uint32_t cmd;
34 uint32_t issue;
35 uint32_t addr;
36 uint32_t par[5];
37};
38
39struct caddy_answer {
40 uint32_t answer;
41 uint32_t issue;
42 uint32_t status;
43 uint32_t par[5];
44};
45
46struct caddy_interface {
47 uint8_t magic[16];
48 uint32_t cmd_in;
49 uint32_t cmd_out;
50 uint32_t heartbeat;
51 uint32_t reserved1;
52 struct caddy_cmd cmd[CMD_SIZE];
53 uint32_t answer_in;
54 uint32_t answer_out;
55 uint32_t reserved2;
56 uint32_t reserved3;
57 struct caddy_answer answer[CMD_SIZE];
58};
59
60#endif /* of __CADDY_H__ */