1/* $NetBSD: tpmvar.h,v 1.3 2012/10/27 17:18:23 chs Exp $ */
2/*
3 * Copyright (c) 2008, 2009 Michael Shalayeff
4 * Copyright (c) 2009, 2010 Hans-Jörg Höxer
5 * All rights reserved.
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
16 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
17 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20struct tpm_softc {
21 device_t sc_dev;
22 void *sc_ih;
23
24 int (*sc_init)(struct tpm_softc *, int, const char *);
25 int (*sc_start)(struct tpm_softc *, int);
26 int (*sc_read)(struct tpm_softc *, void *, size_t, size_t *, int);
27 int (*sc_write)(struct tpm_softc *, const void *, size_t);
28 int (*sc_end)(struct tpm_softc *, int, int);
29
30 bus_space_tag_t sc_bt, sc_batm;
31 bus_space_handle_t sc_bh, sc_bahm;
32
33 u_int32_t sc_devid;
34 u_int32_t sc_rev;
35 u_int32_t sc_stat;
36 u_int32_t sc_capabilities;
37
38 int sc_flags;
39#define TPM_OPEN 0x0001
40
41 int sc_vector;
42};
43
44int tpm_intr(void *);
45
46bool tpm_suspend(device_t, const pmf_qual_t *);
47bool tpm_resume(device_t, const pmf_qual_t *);
48
49int tpm_tis12_probe(bus_space_tag_t, bus_space_handle_t);
50int tpm_tis12_init(struct tpm_softc *, int, const char *);
51int tpm_tis12_start(struct tpm_softc *, int);
52int tpm_tis12_read(struct tpm_softc *, void *, size_t, size_t *, int);
53int tpm_tis12_write(struct tpm_softc *, const void *, size_t);
54int tpm_tis12_end(struct tpm_softc *, int, int);
55
56int tpm_legacy_probe(bus_space_tag_t, bus_addr_t);
57int tpm_legacy_init(struct tpm_softc *, int, const char *);
58int tpm_legacy_start(struct tpm_softc *, int);
59int tpm_legacy_read(struct tpm_softc *, void *, size_t, size_t *, int);
60int tpm_legacy_write(struct tpm_softc *, const void *, size_t);
61int tpm_legacy_end(struct tpm_softc *, int, int);
62