usr/src/psm/promif/ieee1275/sun4u/prom_opl.c

   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
  41 void
  42 prom_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
  66 void
  67 prom_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
  81 int
  82 prom_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
  99 int
 100 prom_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
 117 int
 118 prom_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 }