50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/*
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* STMicroelectronics TPM Linux driver for TPM ST33ZP24
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* Copyright (C) 2009 - 2016 STMicroelectronics
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LOCAL_ST33ZP24_H__
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#define __LOCAL_ST33ZP24_H__
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#define TPM_WRITE_DIRECTION 0x80
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#define ST33ZP24_BUFSIZE 2048
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struct st33zp24_dev {
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struct tpm_chip *chip;
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void *phy_id;
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const struct st33zp24_phy_ops *ops;
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int locality;
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int irq;
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u32 intrs;
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int io_lpcpd;
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wait_queue_head_t read_queue;
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};
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struct st33zp24_phy_ops {
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int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
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int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size);
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};
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#ifdef CONFIG_PM_SLEEP
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int st33zp24_pm_suspend(struct device *dev);
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int st33zp24_pm_resume(struct device *dev);
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#endif
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int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
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struct device *dev, int irq, int io_lpcpd);
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int st33zp24_remove(struct tpm_chip *chip);
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#endif /* __LOCAL_ST33ZP24_H__ */
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