[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / char / tpm / tpm_i2c_stm_st33.h

/*
 * STMicroelectronics TPM I2C Linux driver for TPM ST33ZP24
 * Copyright (C) 2009, 2010  STMicroelectronics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * STMicroelectronics version 1.2.0, Copyright (C) 2010
 * STMicroelectronics comes with ABSOLUTELY NO WARRANTY.
 * This is free software, and you are welcome to redistribute it
 * under certain conditions.
 *
 * @Author: Christophe RICARD tpmsupport@st.com
 *
 * @File: stm_st33_tpm_i2c.h
 *
 * @Date: 09/15/2010
 */
#ifndef __STM_ST33_TPM_I2C_MAIN_H__
#define __STM_ST33_TPM_I2C_MAIN_H__

#define TPM_ACCESS			(0x0)
#define TPM_STS				(0x18)
#define TPM_HASH_END			(0x20)
#define TPM_DATA_FIFO			(0x24)
#define TPM_HASH_DATA			(0x24)
#define TPM_HASH_START			(0x28)
#define TPM_INTF_CAPABILITY		(0x14)
#define TPM_INT_STATUS			(0x10)
#define TPM_INT_ENABLE			(0x08)

#define TPM_DUMMY_BYTE			0xAA
#define TPM_WRITE_DIRECTION		0x80
#define TPM_HEADER_SIZE			10
#define TPM_BUFSIZE			2048

#define LOCALITY0		0

#define TPM_ST33_I2C			"st33zp24_i2c"

struct st33zp24_platform_data {
	int io_serirq;
	int io_lpcpd;
	struct i2c_client *client;
	u8 *tpm_i2c_buffer[2]; /* 0 Request 1 Response */
	struct completion irq_detection;
	struct mutex lock;
};

#endif /* __STM_ST33_TPM_I2C_MAIN_H__ */
Commit	Line	Data
251a7b08 ML	1	/*
	2	* STMicroelectronics TPM I2C Linux driver for TPM ST33ZP24
	3	* Copyright (C) 2009, 2010 STMicroelectronics
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, write to the Free Software Foundation, Inc.,
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	18	*
	19	* STMicroelectronics version 1.2.0, Copyright (C) 2010
	20	* STMicroelectronics comes with ABSOLUTELY NO WARRANTY.
	21	* This is free software, and you are welcome to redistribute it
	22	* under certain conditions.
	23	*
	24	* @Author: Christophe RICARD tpmsupport@st.com
	25	*
	26	* @File: stm_st33_tpm_i2c.h
	27	*
	28	* @Date: 09/15/2010
	29	*/
	30	#ifndef __STM_ST33_TPM_I2C_MAIN_H__
	31	#define __STM_ST33_TPM_I2C_MAIN_H__
	32
251a7b08 ML	33	#define TPM_ACCESS (0x0)
	34	#define TPM_STS (0x18)
	35	#define TPM_HASH_END (0x20)
	36	#define TPM_DATA_FIFO (0x24)
	37	#define TPM_HASH_DATA (0x24)
	38	#define TPM_HASH_START (0x28)
	39	#define TPM_INTF_CAPABILITY (0x14)
	40	#define TPM_INT_STATUS (0x10)
	41	#define TPM_INT_ENABLE (0x08)
	42
	43	#define TPM_DUMMY_BYTE 0xAA
	44	#define TPM_WRITE_DIRECTION 0x80
	45	#define TPM_HEADER_SIZE 10
	46	#define TPM_BUFSIZE 2048
	47
	48	#define LOCALITY0 0
	49
3d7a7bd7 KY	50	#define TPM_ST33_I2C "st33zp24_i2c"
	51
	52	struct st33zp24_platform_data {
	53	int io_serirq;
	54	int io_lpcpd;
	55	struct i2c_client *client;
3d7a7bd7 KY	56	u8 tpm_i2c_buffer[2]; / 0 Request 1 Response */
	57	struct completion irq_detection;
	58	struct mutex lock;
251a7b08 ML	59	};
	60
	61	#endif /* __STM_ST33_TPM_I2C_MAIN_H__ */