1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <sys/promif.h>
29#include <sys/promimpl.h>
30
31/*
32 * This file implements promif routines for OPL-specific OBP client
33 * interfaces defined in FWARC/2005/268.
34 */
35
36/*
37 * prom_opl_get_tod - this function gets time-of-day and stick value from OBP.
38 * Please, see "The OPL OBP functional specification" for details.
39 */
40
41void
42prom_opl_get_tod(time_t *time, int64_t *stickval)
43{
44	cell_t	ci[5];
45
46	ci[0] = p1275_ptr2cell("FJSV,get-tod");	/* Service name */
47	ci[1] = (cell_t)0;			/* #argument cells */
48	ci[2] = (cell_t)2;			/* #result cells */
49	ci[3] = (cell_t)0;			/* The result: STICK */
50	ci[4] = (cell_t)0;			/* The result: time */
51
52	promif_preprom();
53	(void) p1275_cif_handler(&ci);
54	promif_postprom();
55
56	*stickval = ci[3];
57	*time = ci[4];
58}
59
60/*
61 * prom_opl_set_diff - this function updates time difference
62 * w.r.t. SP/OBP reference time.
63 * Please, see "The OPL OBP functional specification" for details.
64 */
65
66void
67prom_opl_set_diff(int64_t diff)
68{
69	cell_t	ci[4];
70
71	ci[0] = p1275_ptr2cell("FJSV,set-domain-time"); /* Service name */
72	ci[1] = (cell_t)1;			/* #argument cells */
73	ci[2] = (cell_t)0;			/* #result cells */
74	ci[3] = (cell_t)diff;			/* Arg1: time diff */
75
76	promif_preprom();
77	(void) p1275_cif_handler(&ci);
78	promif_postprom();
79}
80
81int
82prom_attach_notice(int boardnum)
83{
84	int rv;
85	cell_t	ci[5];
86
87	ci[0] = p1275_ptr2cell("FJSV,attach-notice");
88	ci[1] = (cell_t)1;
89	ci[2] = (cell_t)1;
90	ci[3] = (cell_t)boardnum;
91
92	promif_preprom();
93	rv = p1275_cif_handler(&ci);
94	promif_postprom();
95
96	return ((rv) ? -1 : p1275_cell2int(ci[4]));
97}
98
99int
100prom_detach_notice(int boardnum)
101{
102	int rv;
103	cell_t	ci[5];
104
105	ci[0] = p1275_ptr2cell("FJSV,detach-notice");
106	ci[1] = (cell_t)1;
107	ci[2] = (cell_t)1;
108	ci[3] = (cell_t)boardnum;
109
110	promif_preprom();
111	rv = p1275_cif_handler(&ci);
112	promif_postprom();
113
114	return ((rv) ? -1 : p1275_cell2int(ci[4]));
115}
116
117int
118prom_opl_switch_console(int lsb_id)
119{
120	cell_t	ci[5];
121	int	rv;
122
123	ci[0] = p1275_ptr2cell("FJSV,switch-console");	/* name */
124	ci[1] = (cell_t)1;			/* #argument cells */
125	ci[2] = (cell_t)1;			/* #result cells */
126	/* target tty-port# */
127	ci[3] = p1275_int2cell(lsb_id);
128
129	promif_preprom();
130	rv = p1275_cif_handler(&ci);
131	promif_postprom();
132
133	if (rv != 0) {
134		return (rv);
135	}
136	return (p1275_cell2int(ci[4]));	/* Res1: Catch result */
137}
138