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https://git.proxmox.com/git/fwupd
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d8d26e1f97
The chipset doesn't define the port like I guessed, as Tuxedo and Star Labs both want to use a 0x5570 with different values.
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/*
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* Copyright (C) 2018 Richard Hughes <richard@hughsie.com>
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* Copyright (C) 2021, TUXEDO Computers GmbH
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include <fwupdplugin.h>
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#include "fu-superio-it55-device.h"
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#include "fu-superio-it85-device.h"
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#include "fu-superio-it89-device.h"
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#define FU_QUIRKS_SUPERIO_GTYPE "SuperioGType"
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static gboolean
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fu_plugin_superio_coldplug_chipset(FuPlugin *plugin, const gchar *guid, GError **error)
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{
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FuContext *ctx = fu_plugin_get_context(plugin);
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const gchar *dmi_vendor;
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const gchar *chipset;
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GType custom_gtype;
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g_autofree gchar *devid = NULL;
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g_autoptr(FuSuperioDevice) dev = NULL;
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g_autoptr(FuDeviceLocker) locker = NULL;
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/* get chipset */
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chipset = fu_context_lookup_quirk_by_id(ctx, guid, FU_QUIRKS_SUPERIO_GTYPE);
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if (chipset == NULL)
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return TRUE;
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/* create IT89xx, IT89xx or IT5570 */
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custom_gtype = g_type_from_name(chipset);
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if (custom_gtype == G_TYPE_INVALID) {
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g_set_error(error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"SuperIO GType %s unsupported",
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chipset);
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return FALSE;
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}
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dev = g_object_new(custom_gtype,
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"device-file",
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"/dev/port",
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"chipset",
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chipset,
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"context",
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ctx,
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NULL);
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/* add this so we can attach all the other quirks */
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devid = g_strdup_printf("SUPERIO\\GUID_%s", guid);
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fu_device_add_instance_id(FU_DEVICE(dev), devid);
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/* set ID and ports via quirks */
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if (!fu_device_probe(FU_DEVICE(dev), error))
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return FALSE;
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/* set vendor ID as the motherboard vendor */
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dmi_vendor = fu_context_get_hwid_value(ctx, FU_HWIDS_KEY_BASEBOARD_MANUFACTURER);
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if (dmi_vendor != NULL) {
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g_autofree gchar *vendor_id = g_strdup_printf("DMI:%s", dmi_vendor);
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fu_device_add_vendor_id(FU_DEVICE(dev), vendor_id);
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}
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/* unlock */
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locker = fu_device_locker_new(dev, error);
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if (locker == NULL)
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return FALSE;
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fu_plugin_device_add(plugin, FU_DEVICE(dev));
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return TRUE;
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}
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void
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fu_plugin_init(FuPlugin *plugin)
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{
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FuContext *ctx = fu_plugin_get_context(plugin);
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fu_plugin_set_build_hash(plugin, FU_BUILD_HASH);
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fu_plugin_add_device_gtype(plugin, FU_TYPE_EC_IT55_DEVICE);
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fu_plugin_add_device_gtype(plugin, FU_TYPE_SUPERIO_IT85_DEVICE);
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fu_plugin_add_device_gtype(plugin, FU_TYPE_SUPERIO_IT89_DEVICE);
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fu_plugin_add_rule(plugin, FU_PLUGIN_RULE_METADATA_SOURCE, "linux_lockdown");
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fu_context_add_quirk_key(ctx, "SuperioGType");
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fu_context_add_quirk_key(ctx, "SuperioId");
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fu_context_add_quirk_key(ctx, "SuperioPort");
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fu_context_add_quirk_key(ctx, "SuperioControlPort");
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fu_context_add_quirk_key(ctx, "SuperioDataPort");
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fu_context_add_quirk_key(ctx, "SuperioTimeout");
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fu_context_add_quirk_key(ctx, "SuperioAutoloadAction");
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}
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gboolean
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fu_plugin_coldplug(FuPlugin *plugin, GError **error)
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{
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FuContext *ctx = fu_plugin_get_context(plugin);
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GPtrArray *hwids;
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if (fu_common_kernel_locked_down()) {
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g_set_error_literal(error,
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FWUPD_ERROR,
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FWUPD_ERROR_NOT_SUPPORTED,
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"not supported when kernel locked down");
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return FALSE;
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}
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hwids = fu_context_get_hwid_guids(ctx);
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for (guint i = 0; i < hwids->len; i++) {
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const gchar *guid = g_ptr_array_index(hwids, i);
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if (!fu_plugin_superio_coldplug_chipset(plugin, guid, error))
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return FALSE;
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}
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return TRUE;
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}
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