# Copyright 2022 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

if PLATFORM_EC_USB_POWER_DELIVERY

choice SVDM_RSP_CHOICE
	prompt "SVDM handler implementation"
	# Default value is the first listed choice that has satisfied
	# dependencies: this defaults to DFP_ONLY if possible.
	help
	  Select how USB-PD Structured Vendor Defined Messages (SVDM) will be
	  handled.

config SVDM_RSP_DFP_ONLY
	bool "DFP-only"
	# USB4 and TBT modes require more support
	depends on !PLATFORM_EC_USB_PD_USB4
	depends on !PLATFORM_EC_USB_PD_TBT_COMPAT_MODE
	# DRDs are not DFP-only
	depends on !PLATFORM_EC_USB_PD_USB32_DRD
	help
	  Respond to Discover Identity requests only, reporting DFP-only
	  operation on all ports. The Identity response indicates the device has
	  Type-C receptacles and supports USB 3.2, operating as a USB-PD host.

	  This is appropriate for systems that only ever operate as USB hosts
	  and do not require support for more complex modes like USB4 or TBT.

config SVDM_RSP_CUSTOM
	bool "Custom"
	help
	  The application defines SVDM handler functions appropriate to its
	  feature set by populating fields of the svdm_rsp struct:

	      __override const struct svdm_response svdm_rsp = { ... };

	  If any pointer in this struct is NULL, that command is unsupported:
	  matching SVDM commands that are received will be ignored and a
	  Not_Supported reply sent if required. If no definition __overrides
	  the default, all SVDM commands are treated as unsupported.

endchoice
endif  # PLATFORM_EC_USB_POWER_DELIVERY