1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * caddy.c -- esd VME8349 support for "missing" access modes in TSI148. 4 * Copyright (c) 2009 esd gmbh. 5 * 6 * Reinhard Arlt <reinhard.arlt@esd-electronics.com> 7 */ 8 9 #ifndef __CADDY_H__ 10 #define __CADDY_H__ 11 12 #define CMD_SIZE 1024 13 #define ANSWER_SIZE 1024 14 #define CADDY_MAGIC "esd vme8349 V1.0" 15 16 enum caddy_cmds { 17 CADDY_CMD_IO_READ_8, 18 CADDY_CMD_IO_READ_16, 19 CADDY_CMD_IO_READ_32, 20 CADDY_CMD_IO_WRITE_8, 21 CADDY_CMD_IO_WRITE_16, 22 CADDY_CMD_IO_WRITE_32, 23 CADDY_CMD_CONFIG_READ_8, 24 CADDY_CMD_CONFIG_READ_16, 25 CADDY_CMD_CONFIG_READ_32, 26 CADDY_CMD_CONFIG_WRITE_8, 27 CADDY_CMD_CONFIG_WRITE_16, 28 CADDY_CMD_CONFIG_WRITE_32, 29 }; 30 31 struct caddy_cmd { 32 uint32_t cmd; 33 uint32_t issue; 34 uint32_t addr; 35 uint32_t par[5]; 36 }; 37 38 struct caddy_answer { 39 uint32_t answer; 40 uint32_t issue; 41 uint32_t status; 42 uint32_t par[5]; 43 }; 44 45 struct caddy_interface { 46 uint8_t magic[16]; 47 uint32_t cmd_in; 48 uint32_t cmd_out; 49 uint32_t heartbeat; 50 uint32_t reserved1; 51 struct caddy_cmd cmd[CMD_SIZE]; 52 uint32_t answer_in; 53 uint32_t answer_out; 54 uint32_t reserved2; 55 uint32_t reserved3; 56 struct caddy_answer answer[CMD_SIZE]; 57 }; 58 59 #endif /* of __CADDY_H__ */ 60