1 /*	$NetBSD: hd64461_machdep.c,v 1.1 2002/03/03 14:34:02 uch 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 
42 #include <machine/bus.h>
43 #include <machine/platid.h>
44 #include <machine/platid_mask.h>
45 
46 #include <hpcsh/dev/hd64461/hd64461var.h>
47 #include <hpcsh/dev/hd64461/hd64461pcmciavar.h>
48 #include <hpcsh/dev/hd64461/hd64461pcmciareg.h>
49 
50 /*
51  * Platform dependent hooks.
52  */
53 
54 void
55 hd64461pcmcia_power(int ch, enum pcmcia_voltage vol, int on)
56 {
57 #define VCC0_ON()							\
58 do {									\
59 	r = hd64461_reg_read_1(gcr);					\
60 	r |= HD64461_PCCGCR_VCC0;					\
61 	hd64461_reg_write_1(gcr, r);					\
62 } while (/*CONSTCOND*/0)
63 #define VCC0_OFF()							\
64 do {									\
65 	r = hd64461_reg_read_1(gcr);					\
66 	r &= ~HD64461_PCCGCR_VCC0;					\
67 	hd64461_reg_write_1(gcr, r);					\
68 } while (/*CONSTCOND*/0)
69 #define VCC1_ON()							\
70 do {									\
71 	r = hd64461_reg_read_1(scr);					\
72 	r |= HD64461_PCCSCR_VCC1;					\
73 	hd64461_reg_write_1(scr, r);					\
74 } while (/*CONSTCOND*/0)
75 #define VCC1_OFF()							\
76 do {									\
77 	r = hd64461_reg_read_1(scr);					\
78 	r &= ~HD64461_PCCSCR_VCC1;					\
79 	hd64461_reg_write_1(scr, r);					\
80 } while (/*CONSTCOND*/0)
81 	bus_addr_t isr, gcr, scr;
82 	u_int8_t r;
83 
84 	isr = HD64461_PCCISR(ch);
85 	gcr = HD64461_PCCGCR(ch);
86 	scr = HD64461_PCCSCR(ch);
87 
88 	/* 3.3 V */
89 	if (vol == V_3_3) {
90 		if (ch == 1) {
91 			if (on) {
92 				VCC0_OFF();
93 				VCC1_OFF();
94 			} else {
95 				VCC0_ON();
96 				VCC1_ON();
97 			}
98 		} else {
99 			if (on) {
100 				VCC0_ON();
101 				VCC1_OFF();
102 			} else {
103 				VCC0_OFF();
104 				VCC1_ON();
105 			}
106 		}
107 		return;
108 	}
109 
110 	/* 5 V */
111 	if (platid_match(&platid, &platid_mask_MACH_HP)) {
112 		if (on) {
113 			VCC0_OFF();
114 			VCC1_OFF();
115 		} else {
116 			VCC0_ON();
117 			VCC1_ON();
118 		}
119 		return;
120 	} else if (platid_match(&platid, &platid_mask_MACH_HITACHI)) {
121 		if (on) {
122 			VCC0_OFF();
123 			VCC1_ON();
124 		} else {
125 			VCC0_ON();
126 			VCC1_OFF();
127 		}
128 		return;
129 	}
130 
131 	/* x.x V, y.y V */
132 	printf("x.x/y.y V not supported.\n");
133 #undef VCC0_ON
134 #undef VCC0_OFF
135 #undef VCC1_ON
136 #undef VCC1_OFF
137 }
138