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hd64461_machdep.c revision 1.1 
      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