diff options
Diffstat (limited to 'drivers/platform/x86/intel/speed_select_if/isst_tpmi.c')
-rw-r--r-- | drivers/platform/x86/intel/speed_select_if/isst_tpmi.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c new file mode 100644 index 0000000000..1797219153 --- /dev/null +++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * isst_tpmi.c: SST TPMI interface + * + * Copyright (c) 2023, Intel Corporation. + * All Rights Reserved. + * + */ + +#include <linux/auxiliary_bus.h> +#include <linux/module.h> +#include <linux/intel_tpmi.h> + +#include "isst_tpmi_core.h" + +static int intel_sst_probe(struct auxiliary_device *auxdev, const struct auxiliary_device_id *id) +{ + int ret; + + ret = tpmi_sst_init(); + if (ret) + return ret; + + ret = tpmi_sst_dev_add(auxdev); + if (ret) + tpmi_sst_exit(); + + return ret; +} + +static void intel_sst_remove(struct auxiliary_device *auxdev) +{ + tpmi_sst_dev_remove(auxdev); + tpmi_sst_exit(); +} + +static int intel_sst_suspend(struct device *dev) +{ + tpmi_sst_dev_suspend(to_auxiliary_dev(dev)); + + return 0; +} + +static int intel_sst_resume(struct device *dev) +{ + tpmi_sst_dev_resume(to_auxiliary_dev(dev)); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(intel_sst_pm, intel_sst_suspend, intel_sst_resume); + +static const struct auxiliary_device_id intel_sst_id_table[] = { + { .name = "intel_vsec.tpmi-sst" }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, intel_sst_id_table); + +static struct auxiliary_driver intel_sst_aux_driver = { + .id_table = intel_sst_id_table, + .remove = intel_sst_remove, + .probe = intel_sst_probe, + .driver = { + .pm = pm_sleep_ptr(&intel_sst_pm), + }, +}; + +module_auxiliary_driver(intel_sst_aux_driver); + +MODULE_IMPORT_NS(INTEL_TPMI_SST); +MODULE_DESCRIPTION("Intel TPMI SST Driver"); +MODULE_LICENSE("GPL"); |