1 /* $NetBSD: j720pcic.c,v 1.1 2003/08/08 12:29:22 bsh Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by IWAMOTO Toshihiro. 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: j720pcic.c,v 1.1 2003/08/08 12:29:22 bsh Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/types.h> 45 #include <sys/conf.h> 46 #include <sys/file.h> 47 #include <sys/device.h> 48 #include <sys/kernel.h> 49 #include <sys/kthread.h> 50 #include <sys/malloc.h> 51 52 #include <machine/bus.h> 53 #include <machine/platid.h> 54 #include <machine/platid_mask.h> 55 56 #include <dev/pcmcia/pcmciachip.h> 57 #include <dev/pcmcia/pcmciavar.h> 58 #include <arm/sa11x0/sa11x0_reg.h> 59 #include <arm/sa11x0/sa11x0_var.h> 60 #include <arm/sa11x0/sa1111_reg.h> 61 #include <arm/sa11x0/sa1111_var.h> 62 #include <arm/sa11x0/sa11x1_pcicreg.h> 63 #include <arm/sa11x0/sa11xx_pcicvar.h> 64 #include <arm/sa11x0/sa11x1_pcicvar.h> 65 66 #include "sacpcic.h" 67 68 static int sacpcic_match(struct device *, struct cfdata *, void *); 69 static void sacpcic_attach(struct device *, struct device *, void *); 70 static void j720_set_power(struct sapcic_socket *so, int arg); 71 72 static struct sapcic_tag j720_sacpcic_functions = { 73 sacpcic_read, 74 sacpcic_write, 75 j720_set_power, 76 sacpcic_clear_intr, 77 sacpcic_intr_establish, 78 sacpcic_intr_disestablish 79 }; 80 81 static int j720_power_capability[] = { 82 SAPCIC_POWER_5V | SAPCIC_POWER_3V, SAPCIC_POWER_3V 83 }; 84 85 static struct platid_data sacpcic_platid_table[] = { 86 { &platid_mask_MACH_HP_JORNADA_720, j720_power_capability }, 87 { &platid_mask_MACH_HP_JORNADA_720JP, j720_power_capability }, 88 { NULL, NULL } 89 }; 90 91 CFATTACH_DECL(sacpcic, sizeof(struct sacpcic_softc), 92 sacpcic_match, sacpcic_attach, NULL, NULL); 93 94 static int 95 sacpcic_match(struct device *parent, struct cfdata *cf, void *aux) 96 { 97 return (1); 98 } 99 100 static void 101 j720_socket_setup(struct sapcic_socket *sp) 102 { 103 int *ip; 104 struct platid_data *p; 105 int socket = sp->socket; 106 107 p = platid_search_data(&platid, sacpcic_platid_table); 108 109 if (p == NULL) { 110 sp->power_capability = SAPCIC_POWER_5V; 111 } else { 112 ip = (int *)p->data; 113 sp->power_capability = ip[socket]; 114 } 115 116 sp->pcictag = &j720_sacpcic_functions; 117 } 118 119 static void 120 sacpcic_attach(struct device *parent, struct device *self, void *aux) 121 { 122 sacpcic_attach_common((struct sacc_softc *)parent, 123 (struct sacpcic_softc *)self, aux, j720_socket_setup); 124 } 125 126 static void 127 j720_set_power(so, arg) 128 struct sapcic_socket *so; 129 int arg; 130 { 131 int newval, oldval, s; 132 struct sacc_softc *sc = so->pcictag_cookie; 133 134 /* XXX this isn't well confirmed. DANGER DANGER */ 135 switch (arg) { 136 case SAPCIC_POWER_OFF: 137 newval = 0; 138 break; 139 case SAPCIC_POWER_3V: 140 newval = 2; 141 break; 142 case SAPCIC_POWER_5V: 143 newval = 1; 144 break; 145 default: 146 panic("sacpcic_set_power: bogus arg"); 147 } 148 149 s = splbio(); 150 oldval = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 151 SACCGPIOA_DVR); 152 switch (so->socket) { 153 case 0: 154 newval = newval | (oldval & 0xc); 155 break; 156 case 1: 157 newval = (newval << 2) | (oldval & 3); 158 break; 159 default: 160 splx(s); 161 panic("sacpcic_set_power"); 162 } 163 bus_space_write_4(sc->sc_iot, sc->sc_ioh, SACCGPIOA_DVR, newval); 164 splx(s); 165 } 166 167