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Diffstat (limited to 'include/usb_dp_alt_mode.h')
-rw-r--r-- | include/usb_dp_alt_mode.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/include/usb_dp_alt_mode.h b/include/usb_dp_alt_mode.h deleted file mode 100644 index ea824ea476..0000000000 --- a/include/usb_dp_alt_mode.h +++ /dev/null @@ -1,77 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* - * DisplayPort alternate mode support - * Refer to VESA DisplayPort Alt Mode on USB Type-C Standard, version 2.0, - * section 5.2 - */ - -#ifndef __CROS_EC_USB_DP_ALT_MODE_H -#define __CROS_EC_USB_DP_ALT_MODE_H - -#include <stdint.h> - -#include "tcpm/tcpm.h" - -/* - * Initialize DP state for the specified port. - * - * @param port USB-C port number - */ -void dp_init(int port); - -/* - * Returns True if DisplayPort mode is in active state - * - * @param port USB-C port number - * @return True if DisplayPort mode is in active state - * False otherwise - */ -bool dp_is_active(int port); - -/* - * Checks whether the mode entry sequence for DisplayPort alternate mode is done - * for a port. - * - * @param port USB-C port number - * @return True if entry sequence for DisplayPort mode is completed - * False otherwise - */ -bool dp_entry_is_done(int port); - -/* - * Handles received DisplayPort VDM ACKs. - * - * @param port USB-C port number - * @param type Transmit type (SOP, SOP') for received ACK - * @param vdo_count The number of VDOs in the ACK VDM - * @param vdm VDM from ACK - */ -void dp_vdm_acked(int port, enum tcpci_msg_type type, int vdo_count, - uint32_t *vdm); - -/* - * Handles NAKed (or Not Supported or timed out) DisplayPort VDM requests. - * - * @param port USB-C port number - * @param type Transmit type (SOP, SOP') for request - * @param svid The SVID of the request - * @param vdm_cmd The VDM command of the request - */ -void dp_vdm_naked(int port, enum tcpci_msg_type type, uint8_t vdm_cmd); - -/* - * Construct the next DisplayPort VDM that should be sent. - * - * @param port USB-C port number - * @param vdo_count The number of VDOs in vdm; must be at least VDO_MAX_SIZE - * @param vdm The VDM payload to be sent; output; must point to at least - * VDO_MAX_SIZE elements - * @return The number of VDOs written to VDM or -1 to indicate error - */ -int dp_setup_next_vdm(int port, int vdo_count, uint32_t *vdm); - -#endif /* __CROS_EC_USB_DP_ALT_MODE_H */ |