1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef VIA_H 29 #define VIA_H 30 31 /* 32 * Prototypes. 33 */ 34 ucode_probe_t via_probe; 35 ucode_update_t via_update; 36 37 typedef struct via_fw_header { 38 uint32_t signature; /* Signature. */ 39 int32_t revision; /* Unique version number. */ 40 uint32_t date; /* Date of creation in BCD. */ 41 uint32_t cpu_signature; /* Extended family, extended 42 model, type, family, model 43 and stepping. */ 44 uint32_t checksum; /* Sum of all DWORDS should 45 be 0. */ 46 uint32_t loader_revision; /* Version of the loader 47 required to load update. */ 48 uint32_t reserverd1; /* Platform IDs encoded in 49 the lower 8 bits. */ 50 uint32_t data_size; 51 uint32_t total_size; 52 uint8_t reserved2[12]; 53 } via_fw_header_t; 54 55 typedef struct via_cpu_signature { 56 uint32_t cpu_signature; 57 uint32_t checksum; 58 } via_cpu_signature_t; 59 60 #define VIA_HEADER_SIGNATURE 0x53415252 61 #define VIA_LOADER_REVISION 0x00000001 62 63 #endif /* !VIA_H */ 64