fwupd/plugins/vli/fu-vli-common.c
Richard Hughes 8b5a560b1c vli: Rename FuVliUsbhubPdFirmware to FuVliPdFirmware
This is used by non-usbhub devices too, albeit at offset 0x0.
2020-01-02 13:24:13 +00:00

133 lines
3.4 KiB
C

/*
* Copyright (C) 2017-2019 VIA Corporation
* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include "fu-vli-common.h"
guint8
fu_vli_common_crc8 (const guint8 *buf, gsize bufsz)
{
guint32 crc = 0;
for (gsize j = bufsz; j > 0; j--) {
crc ^= (*(buf++) << 8);
for (guint32 i = 8; i; i--) {
if (crc & 0x8000)
crc ^= (0x1070 << 3);
crc <<= 1;
}
}
return (guint8) (crc >> 8);
}
guint16
fu_vli_common_crc16 (const guint8 *buf, gsize bufsz)
{
guint16 crc = 0xffff;
for (gsize len = bufsz; len > 0; len--) {
crc = (guint16) (crc ^ (*buf++));
for (guint8 i = 0; i < 8; i++) {
if (crc & 0x1) {
crc = (crc >> 1) ^ 0xa001;
} else {
crc >>= 1;
}
}
}
return ~crc;
}
const gchar *
fu_vli_common_device_kind_to_string (FuVliDeviceKind device_kind)
{
if (device_kind == FU_VLI_DEVICE_KIND_VL100)
return "VL100";
if (device_kind == FU_VLI_DEVICE_KIND_VL101)
return "VL101";
if (device_kind == FU_VLI_DEVICE_KIND_VL102)
return "VL102";
if (device_kind == FU_VLI_DEVICE_KIND_VL103)
return "VL103";
if (device_kind == FU_VLI_DEVICE_KIND_VL104)
return "VL104";
if (device_kind == FU_VLI_DEVICE_KIND_VL105)
return "VL105";
if (device_kind == FU_VLI_DEVICE_KIND_VL810)
return "VL810";
if (device_kind == FU_VLI_DEVICE_KIND_VL811)
return "VL811";
if (device_kind == FU_VLI_DEVICE_KIND_VL811PB0)
return "VL811PB0";
if (device_kind == FU_VLI_DEVICE_KIND_VL811PB3)
return "VL811PB3";
if (device_kind == FU_VLI_DEVICE_KIND_VL812B0)
return "VL812B0";
if (device_kind == FU_VLI_DEVICE_KIND_VL812B3)
return "VL812B3";
if (device_kind == FU_VLI_DEVICE_KIND_VL812Q4S)
return "VL812Q4S";
if (device_kind == FU_VLI_DEVICE_KIND_VL813)
return "VL813";
if (device_kind == FU_VLI_DEVICE_KIND_VL815)
return "VL815";
if (device_kind == FU_VLI_DEVICE_KIND_VL817)
return "VL817";
if (device_kind == FU_VLI_DEVICE_KIND_VL819)
return "VL819";
if (device_kind == FU_VLI_DEVICE_KIND_VL820Q7)
return "VL820Q7";
if (device_kind == FU_VLI_DEVICE_KIND_VL820Q8)
return "VL820Q8";
if (device_kind == FU_VLI_DEVICE_KIND_VL120)
return "VL120";
if (device_kind == FU_VLI_DEVICE_KIND_VL210)
return "VL210";
if (device_kind == FU_VLI_DEVICE_KIND_VL211)
return "VL211";
if (device_kind == FU_VLI_DEVICE_KIND_VL212)
return "VL212";
if (device_kind == FU_VLI_DEVICE_KIND_MSP430)
return "MSP430";
return NULL;
}
guint32
fu_vli_common_device_kind_get_size (FuVliDeviceKind device_kind)
{
if (device_kind == FU_VLI_DEVICE_KIND_VL100)
return 0x8000; /* 32KB */
if (device_kind == FU_VLI_DEVICE_KIND_VL101)
return 0xc000; /* 48KB */
if (device_kind == FU_VLI_DEVICE_KIND_VL102)
return 0x8000; /* 32KB */
if (device_kind == FU_VLI_DEVICE_KIND_VL103)
return 0x8000; /* 32KB */
if (device_kind == FU_VLI_DEVICE_KIND_VL104)
return 0xc000; /* 48KB */
if (device_kind == FU_VLI_DEVICE_KIND_VL105)
return 0xc000; /* 48KB */
return 0x0;
}
guint32
fu_vli_common_device_kind_get_offset (FuVliDeviceKind device_kind)
{
if (device_kind == FU_VLI_DEVICE_KIND_VL100)
return 0x10000;
if (device_kind == FU_VLI_DEVICE_KIND_VL101)
return 0x10000;
if (device_kind == FU_VLI_DEVICE_KIND_VL102)
return 0x20000;
if (device_kind == FU_VLI_DEVICE_KIND_VL103)
return 0x20000;
if (device_kind == FU_VLI_DEVICE_KIND_VL104)
return 0x20000;
if (device_kind == FU_VLI_DEVICE_KIND_VL105)
return 0x20000;
return 0x0;
}