80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/* Copyright (c) 2010,2011 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __PM8XXX_NFC_H__
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#define __PM8XXX_NFC_H__
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struct pm8xxx_nfc_device;
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#define PM8XXX_NFC_DEV_NAME "pm8xxx-nfc"
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/* masks, flags and status */
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#define PM_NFC_VDDLDO_MON_LEVEL 0x0003
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#define PM_NFC_VPH_PWR_EN 0x0008
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#define PM_NFC_EXT_VDDLDO_EN 0x0010
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#define PM_NFC_EN 0x0020
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#define PM_NFC_LDO_EN 0x0040
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#define PM_NFC_SUPPORT_EN 0x0080
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#define PM_NFC_EXT_EN_HIGH 0x0100
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#define PM_NFC_MBG_EN_HIGH 0x0200
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#define PM_NFC_VDDLDO_OK_HIGH 0x0400
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#define PM_NFC_DTEST1_MODE 0x2000
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#define PM_NFC_ATEST_EN 0x4000
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#define PM_NFC_VDDLDO_MON_EN 0x8000
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#define PM_NFC_CTRL_REQ (PM_NFC_SUPPORT_EN |\
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PM_NFC_LDO_EN |\
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PM_NFC_EN |\
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PM_NFC_EXT_VDDLDO_EN |\
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PM_NFC_VPH_PWR_EN |\
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PM_NFC_VDDLDO_MON_LEVEL)
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#define PM_NFC_TEST_REQ (PM_NFC_VDDLDO_MON_EN |\
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PM_NFC_DTEST1_MODE |\
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PM_NFC_ATEST_EN)
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#define PM_NFC_TEST_STATUS (PM_NFC_EXT_EN_HIGH |\
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PM_NFC_MBG_EN_HIGH |\
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PM_NFC_VDDLDO_OK_HIGH)
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/*
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* pm8xxx_nfc_request - request a handle to access NFC device
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*/
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struct pm8xxx_nfc_device *pm8xxx_nfc_request(void);
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/*
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* pm8xxx_nfc_config - configure NFC signals
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*
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* @nfcdev: the NFC device
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* @mask: signal mask to configure
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* @flags: control flags
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*/
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int pm8xxx_nfc_config(struct pm8xxx_nfc_device *nfcdev, u32 mask, u32 flags);
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/*
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* pm8xxx_nfc_get_status - get NFC status
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*
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* @nfcdev: the NFC device
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* @mask: of status mask to read
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* @status: pointer to the status variable
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*/
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int pm8xxx_nfc_get_status(struct pm8xxx_nfc_device *nfcdev,
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u32 mask, u32 *status);
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/*
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* pm8xxx_nfc_free - free the NFC device
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*/
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void pm8xxx_nfc_free(struct pm8xxx_nfc_device *nfcdev);
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#endif /* __PM8XXX_NFC_H__ */
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