34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
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/*
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* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef __CROS_EC_IOEXPANDER_NCT38XX_H
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#define __CROS_EC_IOEXPANDER_NCT38XX_H
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/*
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* NCT38XX registers are defined in the driver/tcpm/nct38xx.h.
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* No matter they are used by TCPC or IO Expander driver.
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*/
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#include "nct38xx.h"
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/*
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* The interrupt handler to handle Vendor Define ALERT event from IOEX chip.
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*
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* Normally, the Vendor Define event should be checked by the NCT38XX TCPCI
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* driver's tcpc_alert function.
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* This function is only included when NCT38XX TCPC driver is not included.
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* (i.e. CONFIG_USB_PD_TCPM_NCT38XX is not defined)
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*/
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void nct38xx_ioex_handle_alert(int ioex);
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/*
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* Check which IO's interrupt event is triggered. If any, call its
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* registered interrupt handler.
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*/
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int nct38xx_ioex_event_handler(int ioex);
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extern const struct ioexpander_drv nct38xx_ioexpander_drv;
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#endif /* defined(__CROS_EC_IOEXPANDER_NCT38XX_H) */
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