1 /* 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 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 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 17 enum 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 32 struct caddy_cmd { 33 uint32_t cmd; 34 uint32_t issue; 35 uint32_t addr; 36 uint32_t par[5]; 37 }; 38 39 struct caddy_answer { 40 uint32_t answer; 41 uint32_t issue; 42 uint32_t status; 43 uint32_t par[5]; 44 }; 45 46 struct 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__ */ 61