1 /* 2 * Copyright (c) 2008, 2009 Michael Shalayeff 3 * Copyright (c) 2009, 2010 Hans-Joerg Hoexer 4 * All rights reserved. 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN 15 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 16 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef _TPMVAR_H 20 #define _TPMVAR_H 21 22 #ifdef __FreeBSD__ 23 #include <sys/condvar.h> 24 #include <sys/lock.h> 25 #include <sys/mutex.h> 26 #include <sys/sx.h> 27 #endif 28 29 struct tpm_softc { 30 #ifndef __FreeBSD__ 31 struct device sc_dev; 32 #endif 33 void *sc_ih; 34 35 int (*sc_init)(struct tpm_softc *, int, const char *); 36 int (*sc_start)(struct tpm_softc *, int); 37 int (*sc_read)(struct tpm_softc *, void *, int, size_t *, int); 38 int (*sc_write)(struct tpm_softc *, void *, int); 39 int (*sc_end)(struct tpm_softc *, int, int); 40 41 bus_space_tag_t sc_bt, sc_batm; 42 bus_space_handle_t sc_bh, sc_bahm; 43 44 u_int32_t sc_devid; 45 u_int32_t sc_rev; 46 u_int32_t sc_stat; 47 u_int32_t sc_capabilities; 48 49 int sc_flags; 50 #define TPM_OPEN 0x0001 51 52 int sc_vector; 53 #ifdef __FreeBSD__ 54 void *intr_cookie; 55 int mem_rid, irq_rid; 56 struct resource *mem_res, *irq_res; 57 struct cdev *sc_cdev; 58 /* Serialize commands and lifecycle; sc_intr_lock nests inside. */ 59 struct sx sc_lock; 60 struct mtx sc_intr_lock; 61 struct cv sc_intr_cv; 62 bool sc_dying; 63 bool sc_locality; 64 bool sc_command_pending; 65 #endif 66 67 #ifndef __FreeBSD__ 68 void *sc_powerhook; 69 #endif 70 int sc_suspend; 71 }; 72 73 int tpm_tis12_probe(bus_space_tag_t iot, bus_space_handle_t ioh); 74 int tpm_attach(device_t dev); 75 int tpm_detach(device_t dev); 76 int tpm_suspend(device_t dev); 77 int tpm_resume(device_t dev); 78 #endif 79