1/*-
2 * Copyright (c) 2003 Izumi Tsutsui. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
--- 11 unchanged lines hidden (view full) ---
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * from: NetBSD: mc146818var.h,v 1.3 2003/11/24 06:20:40 tsutsui Exp
27 *
28 * $FreeBSD: head/sys/dev/mc146818/mc146818var.h 201008 2009-12-25 22:53:46Z marius $
29 */
30
31struct mc146818_softc {
32 bus_space_tag_t sc_bst; /* bus space tag */
33 bus_space_handle_t sc_bsh; /* bus space handle */
34
35 struct mtx sc_mtx; /* hardware mutex */
36
37 u_char sc_rega; /* register A */
38 u_char sc_regb; /* register B */
39
40 u_int sc_year0; /* year counter offset */
41
42 u_int sc_flag; /* MD flags */
43#define MC146818_NO_CENT_ADJUST 0x0001 /* don't adjust century */
44#define MC146818_BCD 0x0002 /* use BCD mode */
45#define MC146818_12HR 0x0004 /* use AM/PM mode */
46
47 /* MD chip register read/write functions */
48 u_int (*sc_mcread)(device_t dev, u_int reg);
49 void (*sc_mcwrite)(device_t dev, u_int reg, u_int val);
50 /* MD century get/set functions */
51 u_int (*sc_getcent)(device_t dev);
52 void (*sc_setcent)(device_t dev, u_int cent);
53};
54
55/* Default read/write functions */
56u_int mc146818_def_read(device_t dev, u_int reg);
57void mc146818_def_write(device_t dev, u_int reg, u_int val);
58
59/* Chip attach function */
60int mc146818_attach(device_t);
61
62/* Methods for the clock interface */
63#ifdef notyet
64int mc146818_getsecs(device_t dev, int *secp);
65#endif
66int mc146818_gettime(device_t dev, struct timespec *ts);
67int mc146818_settime(device_t dev, struct timespec *ts);
2 * Copyright (c) 2003 Izumi Tsutsui. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
--- 11 unchanged lines hidden (view full) ---
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * from: NetBSD: mc146818var.h,v 1.3 2003/11/24 06:20:40 tsutsui Exp
27 *
28 * $FreeBSD: head/sys/dev/mc146818/mc146818var.h 201008 2009-12-25 22:53:46Z marius $
29 */
30
31struct mc146818_softc {
32 bus_space_tag_t sc_bst; /* bus space tag */
33 bus_space_handle_t sc_bsh; /* bus space handle */
34
35 struct mtx sc_mtx; /* hardware mutex */
36
37 u_char sc_rega; /* register A */
38 u_char sc_regb; /* register B */
39
40 u_int sc_year0; /* year counter offset */
41
42 u_int sc_flag; /* MD flags */
43#define MC146818_NO_CENT_ADJUST 0x0001 /* don't adjust century */
44#define MC146818_BCD 0x0002 /* use BCD mode */
45#define MC146818_12HR 0x0004 /* use AM/PM mode */
46
47 /* MD chip register read/write functions */
48 u_int (*sc_mcread)(device_t dev, u_int reg);
49 void (*sc_mcwrite)(device_t dev, u_int reg, u_int val);
50 /* MD century get/set functions */
51 u_int (*sc_getcent)(device_t dev);
52 void (*sc_setcent)(device_t dev, u_int cent);
53};
54
55/* Default read/write functions */
56u_int mc146818_def_read(device_t dev, u_int reg);
57void mc146818_def_write(device_t dev, u_int reg, u_int val);
58
59/* Chip attach function */
60int mc146818_attach(device_t);
61
62/* Methods for the clock interface */
63#ifdef notyet
64int mc146818_getsecs(device_t dev, int *secp);
65#endif
66int mc146818_gettime(device_t dev, struct timespec *ts);
67int mc146818_settime(device_t dev, struct timespec *ts);