1 /* 2 * STMicroelectronics TPM Linux driver for TPM ST33ZP24 3 * Copyright (C) 2009 - 2016 STMicroelectronics 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __LOCAL_ST33ZP24_H__ 19 #define __LOCAL_ST33ZP24_H__ 20 21 #define TPM_WRITE_DIRECTION 0x80 22 #define TPM_BUFSIZE 2048 23 24 struct st33zp24_dev { 25 struct tpm_chip *chip; 26 void *phy_id; 27 const struct st33zp24_phy_ops *ops; 28 int locality; 29 int irq; 30 u32 intrs; 31 int io_lpcpd; 32 wait_queue_head_t read_queue; 33 }; 34 35 36 struct st33zp24_phy_ops { 37 int (*send)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); 38 int (*recv)(void *phy_id, u8 tpm_register, u8 *tpm_data, int tpm_size); 39 }; 40 41 #ifdef CONFIG_PM_SLEEP 42 int st33zp24_pm_suspend(struct device *dev); 43 int st33zp24_pm_resume(struct device *dev); 44 #endif 45 46 int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, 47 struct device *dev, int irq, int io_lpcpd); 48 int st33zp24_remove(struct tpm_chip *chip); 49 #endif /* __LOCAL_ST33ZP24_H__ */ 50