1 /* $NetBSD: hd64461_machdep.c,v 1.7 2013/11/09 02:54:11 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: hd64461_machdep.c,v 1.7 2013/11/09 02:54:11 christos Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/bus.h>
38
39 #include <machine/platid.h>
40 #include <machine/platid_mask.h>
41
42 #include <hpcsh/dev/hd64461/hd64461var.h>
43 #include <hpcsh/dev/hd64461/hd64461pcmciavar.h>
44 #include <hpcsh/dev/hd64461/hd64461pcmciareg.h>
45
46 /*
47 * Platform dependent hooks.
48 */
49
50 void
hd64461pcmcia_power(int ch,enum pcmcia_voltage vol,int on)51 hd64461pcmcia_power(int ch, enum pcmcia_voltage vol, int on)
52 {
53 #define VCC0_ON() \
54 do { \
55 r = hd64461_reg_read_1(gcr); \
56 r |= HD64461_PCCGCR_VCC0; \
57 hd64461_reg_write_1(gcr, r); \
58 } while (/*CONSTCOND*/0)
59 #define VCC0_OFF() \
60 do { \
61 r = hd64461_reg_read_1(gcr); \
62 r &= ~HD64461_PCCGCR_VCC0; \
63 hd64461_reg_write_1(gcr, r); \
64 } while (/*CONSTCOND*/0)
65 #define VCC1_ON() \
66 do { \
67 r = hd64461_reg_read_1(scr); \
68 r |= HD64461_PCCSCR_VCC1; \
69 hd64461_reg_write_1(scr, r); \
70 } while (/*CONSTCOND*/0)
71 #define VCC1_OFF() \
72 do { \
73 r = hd64461_reg_read_1(scr); \
74 r &= ~HD64461_PCCSCR_VCC1; \
75 hd64461_reg_write_1(scr, r); \
76 } while (/*CONSTCOND*/0)
77 bus_addr_t gcr, scr;
78 uint8_t r;
79
80 (void)HD64461_PCCISR(ch);
81 gcr = HD64461_PCCGCR(ch);
82 scr = HD64461_PCCSCR(ch);
83
84 /* 3.3 V */
85 if (vol == V_3_3) {
86 if (ch == 1) {
87 if (on) {
88 VCC0_OFF();
89 VCC1_OFF();
90 } else {
91 VCC0_ON();
92 VCC1_ON();
93 }
94 } else {
95 if (on) {
96 VCC0_ON();
97 VCC1_OFF();
98 } else {
99 VCC0_OFF();
100 VCC1_ON();
101 }
102 }
103 return;
104 }
105
106 /* 5 V */
107 if (platid_match(&platid, &platid_mask_MACH_HP)) {
108 if (on) {
109 VCC0_OFF();
110 VCC1_OFF();
111 } else {
112 VCC0_ON();
113 VCC1_ON();
114 }
115 return;
116 } else if (platid_match(&platid, &platid_mask_MACH_HITACHI)) {
117 if (on) {
118 VCC0_OFF();
119 VCC1_ON();
120 } else {
121 VCC0_ON();
122 VCC1_OFF();
123 }
124 return;
125 }
126
127 /* x.x V, y.y V */
128 printf("x.x/y.y V not supported.\n");
129 #undef VCC0_ON
130 #undef VCC0_OFF
131 #undef VCC1_ON
132 #undef VCC1_OFF
133 }
134