mirror of
https://git.proxmox.com/git/fwupd
synced 2025-05-22 09:12:32 +00:00
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2020 Richard Hughes <richard@hughsie.com>
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1+
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "fu-common.h"
|
|
|
|
#include "fu-elantp-common.h"
|
|
#include "fu-elantp-firmware.h"
|
|
|
|
struct _FuElantpFirmware {
|
|
FuFirmwareClass parent_instance;
|
|
guint16 module_id;
|
|
guint16 iap_addr;
|
|
};
|
|
|
|
G_DEFINE_TYPE (FuElantpFirmware, fu_elantp_firmware, FU_TYPE_FIRMWARE)
|
|
|
|
/* firmware block update */
|
|
#define ETP_IAP_START_ADDR 0x0083
|
|
|
|
guint16
|
|
fu_elantp_firmware_get_module_id (FuElantpFirmware *self)
|
|
{
|
|
g_return_val_if_fail (FU_IS_ELANTP_FIRMWARE (self), 0);
|
|
return self->module_id;
|
|
}
|
|
|
|
guint16
|
|
fu_elantp_firmware_get_iap_addr (FuElantpFirmware *self)
|
|
{
|
|
g_return_val_if_fail (FU_IS_ELANTP_FIRMWARE (self), 0);
|
|
return self->iap_addr;
|
|
}
|
|
|
|
static void
|
|
fu_elantp_firmware_to_string (FuFirmware *firmware, guint idt, GString *str)
|
|
{
|
|
FuElantpFirmware *self = FU_ELANTP_FIRMWARE (firmware);
|
|
fu_common_string_append_kx (str, idt, "IapAddr", self->iap_addr);
|
|
fu_common_string_append_kx (str, idt, "ModuleId", self->module_id);
|
|
}
|
|
|
|
static gboolean
|
|
fu_elantp_firmware_parse (FuFirmware *firmware,
|
|
GBytes *fw,
|
|
guint64 addr_start,
|
|
guint64 addr_end,
|
|
FwupdInstallFlags flags,
|
|
GError **error)
|
|
{
|
|
FuElantpFirmware *self = FU_ELANTP_FIRMWARE (firmware);
|
|
gsize bufsz = 0;
|
|
guint16 iap_addr_wrds;
|
|
guint16 module_id_wrds;
|
|
const guint8 *buf = g_bytes_get_data (fw, &bufsz);
|
|
g_autoptr(FuFirmwareImage) img = fu_firmware_image_new (fw);
|
|
|
|
/* presumably in words */
|
|
if (!fu_common_read_uint16_safe (buf, bufsz, ETP_IAP_START_ADDR * 2,
|
|
&iap_addr_wrds, G_LITTLE_ENDIAN, error))
|
|
return FALSE;
|
|
self->iap_addr = iap_addr_wrds * 2;
|
|
|
|
/* read module ID */
|
|
if (!fu_common_read_uint16_safe (buf, bufsz, self->iap_addr,
|
|
&module_id_wrds, G_LITTLE_ENDIAN, error))
|
|
return FALSE;
|
|
if (!fu_common_read_uint16_safe (buf, bufsz, module_id_wrds * 2,
|
|
&self->module_id, G_LITTLE_ENDIAN, error))
|
|
return FALSE;
|
|
|
|
/* whole image */
|
|
fu_firmware_add_image (firmware, img);
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
fu_elantp_firmware_init (FuElantpFirmware *self)
|
|
{
|
|
}
|
|
|
|
static void
|
|
fu_elantp_firmware_class_init (FuElantpFirmwareClass *klass)
|
|
{
|
|
FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS (klass);
|
|
klass_firmware->parse = fu_elantp_firmware_parse;
|
|
klass_firmware->to_string = fu_elantp_firmware_to_string;
|
|
}
|
|
|
|
FuFirmware *
|
|
fu_elantp_firmware_new (void)
|
|
{
|
|
return FU_FIRMWARE (g_object_new (FU_TYPE_ELANTP_FIRMWARE, NULL));
|
|
}
|