| // Copyright (C) 2006, Amit Singh <http://osxbook.com> |
| // Released under GPLv2. |
| // Borrows code from the Linux Infineon TPM driver. |
| |
| #ifndef _INFINEON_TPM_H_ |
| #define _INFINEON_TPM_H_ |
| |
| /* Timeout in msecs */ |
| #define TPM_TIMEOUT 5 |
| |
| /* maximum number of WTX-packages */ |
| #define TPM_MAX_WTX_PACKAGES 50 |
| |
| /* msleep-Time for WTX-packages */ |
| #define TPM_WTX_MSLEEP_TIME 20 |
| |
| /* msleep-Time --> Interval to check status register */ |
| #define TPM_MSLEEP_TIME 3 |
| |
| /* gives number of max. msleep()-calls before throwing timeout */ |
| #define TPM_MAX_TRIES 5000 |
| |
| #define TPM_INFINEON_DEV_VEN_VALUE 0x15D1 |
| |
| /* TPM header definitions */ |
| enum infineon_tpm_header { |
| TPM_VL_VER = 0x01, |
| TPM_VL_CHANNEL_CONTROL = 0x07, |
| TPM_VL_CHANNEL_PERSONALISATION = 0x0A, |
| TPM_VL_CHANNEL_TPM = 0x0B, |
| TPM_VL_CONTROL = 0x00, |
| TPM_INF_NAK = 0x15, |
| TPM_CTRL_WTX = 0x10, |
| TPM_CTRL_WTX_ABORT = 0x18, |
| TPM_CTRL_WTX_ABORT_ACK = 0x18, |
| TPM_CTRL_ERROR = 0x20, |
| TPM_CTRL_CHAININGACK = 0x40, |
| TPM_CTRL_CHAINING = 0x80, |
| TPM_CTRL_DATA = 0x04, |
| TPM_CTRL_DATA_CHA = 0x84, |
| TPM_CTRL_DATA_CHA_ACK = 0xC4 |
| }; |
| |
| enum infineon_tpm_register { |
| WRFIFO = 0x00, |
| RDFIFO = 0x01, |
| STAT = 0x02, |
| CMD = 0x03 |
| }; |
| |
| enum infineon_tpm_command_bits { |
| CMD_DIS = 0x00, |
| CMD_LP = 0x01, |
| CMD_RES = 0x02, |
| CMD_IRQC = 0x06 |
| }; |
| |
| enum infineon_tpm_status_bits { |
| STAT_XFE = 0x00, |
| STAT_LPA = 0x01, |
| STAT_FOK = 0x02, |
| STAT_TOK = 0x03, |
| STAT_IRQA = 0x06, |
| STAT_RDA = 0x07 |
| }; |
| |
| /* some outgoing values */ |
| enum infineon_tpm_values { |
| CHIP_ID1 = 0x20, |
| CHIP_ID2 = 0x21, |
| TPM_DAR = 0x30, |
| RESET_LP_IRQC_DISABLE = 0x41, |
| ENABLE_REGISTER_PAIR = 0x55, |
| IOLIMH = 0x60, |
| IOLIML = 0x61, |
| DISABLE_REGISTER_PAIR = 0xAA, |
| IDVENL = 0xF1, |
| IDVENH = 0xF2, |
| IDPDL = 0xF3, |
| IDPDH = 0xF4 |
| }; |
| |
| #define TPM_BUFSIZE 2048 |
| |
| #endif /* _INFINEON_TPM_H_ */ |
