tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
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
50#define TPM_ST33_I2C "st33zp24_i2c"
51
52struct st33zp24_platform_data {
53 int io_serirq;
54 int io_lpcpd;
55 struct i2c_client *client;
56 u8 *tpm_i2c_buffer[2]; /* 0 Request 1 Response */
57 struct completion irq_detection;
58 struct mutex lock;
59};
60
61#endif /* __STM_ST33_TPM_I2C_MAIN_H__ */