fwupd/plugins/superio/fu-plugin-superio.c
2018-09-04 08:22:39 -05:00

92 lines
2.4 KiB
C

/*
* Copyright (C) 2018 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include "fu-plugin-vfuncs.h"
#include "fu-superio-device.h"
#define FU_QUIRKS_SUPERIO_CHIPSETS "SuperioChipsets"
static gboolean
fu_plugin_superio_coldplug_chipset (FuPlugin *plugin, const gchar *chipset, GError **error)
{
g_autoptr(FuSuperioDevice) dev = NULL;
g_autoptr(FuDeviceLocker) locker = NULL;
g_autofree gchar *key = g_strdup_printf ("SuperIO=%s", chipset);
guint64 id;
guint64 data_port;
guint64 cmd_port;
/* get ID we need for the chipset */
id = fu_plugin_lookup_quirk_by_id_as_uint64 (plugin, key, "Id");
if (id == 0x0000 || id > 0xffff) {
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"SuperIO chip %s has invalid Id", chipset);
return FALSE;
}
/* allow using a custom data port */
data_port = fu_plugin_lookup_quirk_by_id_as_uint64 (plugin, key, "DataPort");
if (data_port > 0xff) {
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"SuperIO chip %s has invalid DataPort", chipset);
return FALSE;
}
/* allow using a custom command port */
cmd_port = fu_plugin_lookup_quirk_by_id_as_uint64 (plugin, key, "CmdPort");
if (cmd_port > 0xff) {
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"SuperIO chip %s has invalid CmdPort", chipset);
return FALSE;
}
/* create device and unlock */
dev = fu_superio_device_new (chipset, id, data_port, cmd_port);
locker = fu_device_locker_new (dev, error);
if (locker == NULL)
return FALSE;
fu_plugin_device_add (plugin, FU_DEVICE (dev));
return TRUE;
}
static gboolean
fu_plugin_superio_coldplug_chipsets (FuPlugin *plugin, const gchar *str, GError **error)
{
g_auto(GStrv) chipsets = g_strsplit (str, ",", -1);
for (guint i = 0; chipsets[i] != NULL; i++) {
if (!fu_plugin_superio_coldplug_chipset (plugin, chipsets[i], error))
return FALSE;
}
return TRUE;
}
gboolean
fu_plugin_coldplug (FuPlugin *plugin, GError **error)
{
GPtrArray *hwids = fu_plugin_get_hwids (plugin);
for (guint i = 0; i < hwids->len; i++) {
const gchar *tmp;
const gchar *guid = g_ptr_array_index (hwids, i);
g_autofree gchar *key = g_strdup_printf ("HwId=%s", guid);
tmp = fu_plugin_lookup_quirk_by_id (plugin, key, FU_QUIRKS_SUPERIO_CHIPSETS);
if (tmp == NULL)
continue;
if (!fu_plugin_superio_coldplug_chipsets (plugin, tmp, error))
return FALSE;
}
return TRUE;
}