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      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
     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