ipaq_pcic.c revision 1.5
1 /* $NetBSD: ipaq_pcic.c,v 1.5 2001/07/15 00:30:17 ichiro 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 Ichiro FUKUHARA (ichiro (at) ichiro.org). 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 #include <sys/types.h> 42 #include <sys/conf.h> 43 #include <sys/file.h> 44 #include <sys/device.h> 45 #include <sys/kernel.h> 46 #include <sys/kthread.h> 47 #include <sys/malloc.h> 48 49 #include <machine/bus.h> 50 #include <dev/pcmcia/pcmciachip.h> 51 #include <dev/pcmcia/pcmciavar.h> 52 53 #include <hpcarm/dev/ipaq_saipvar.h> 54 #include <hpcarm/dev/ipaq_pcicreg.h> 55 #include <hpcarm/dev/ipaq_gpioreg.h> 56 #include <hpcarm/sa11x0/sa11x0_gpioreg.h> 57 #include <hpcarm/sa11x0/sa11x0_var.h> 58 #include <hpcarm/sa11x0/sa11xx_pcicvar.h> 59 60 #include "ipaqpcic.h" 61 62 static int ipaqpcic_match(struct device *, struct cfdata *, void *); 63 static void ipaqpcic_attach(struct device *, struct device *, void *); 64 static int ipaqpcic_print(void *, const char *); 65 static int ipaqpcic_submatch(struct device *, struct cfdata *, void *); 66 67 static int ipaqpcic_read(struct sapcic_socket *, int); 68 static void ipaqpcic_write(struct sapcic_socket *, int, int); 69 static void ipaqpcic_set_power(struct sapcic_socket *, int); 70 static void ipaqpcic_clear_intr(int); 71 static void *ipaqpcic_intr_establish(struct sapcic_socket *, int, 72 int (*)(void *), void *); 73 static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *); 74 75 struct ipaqpcic_softc { 76 struct sapcic_softc sc_pc; 77 bus_space_handle_t sc_ioh; 78 struct ipaq_softc *sc_parent; 79 struct sapcic_socket sc_socket[2]; 80 }; 81 82 static void ipaqpcic_init(struct ipaqpcic_softc *); 83 84 static struct sapcic_tag ipaqpcic_functions = { 85 ipaqpcic_read, 86 ipaqpcic_write, 87 ipaqpcic_set_power, 88 ipaqpcic_clear_intr, 89 ipaqpcic_intr_establish, 90 ipaqpcic_intr_disestablish 91 }; 92 93 struct cfattach ipaqpcic_ca = { 94 sizeof(struct ipaqpcic_softc), ipaqpcic_match, ipaqpcic_attach 95 }; 96 97 static int 98 ipaqpcic_match(parent, cf, aux) 99 struct device *parent; 100 struct cfdata *cf; 101 void *aux; 102 { 103 return (1); 104 } 105 106 static void 107 ipaqpcic_attach(parent, self, aux) 108 struct device *parent; 109 struct device *self; 110 void *aux; 111 { 112 int i; 113 struct pcmciabus_attach_args paa; 114 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self; 115 struct ipaq_softc *psc = (struct ipaq_softc *)parent; 116 117 printf("\n"); 118 119 sc->sc_pc.sc_iot = psc->sc_iot; 120 sc->sc_ioh = psc->sc_ioh; 121 sc->sc_parent = (struct ipaq_softc *)parent; 122 123 ipaqpcic_init(sc); 124 125 for(i = 0; i < 2; i++) { 126 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 127 sc->sc_socket[i].socket = i; 128 sc->sc_socket[i].pcictag_cookie = psc; 129 sc->sc_socket[i].pcictag = &ipaqpcic_functions; 130 sc->sc_socket[i].event_thread = NULL; 131 sc->sc_socket[i].event = 0; 132 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 133 sc->sc_socket[i].shutdown = 0; 134 135 paa.paa_busname = "pcmcia"; 136 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 137 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 138 paa.iobase = 0; 139 paa.iosize = 0x4000000; 140 141 sc->sc_socket[i].pcmcia = 142 (struct device *)config_found_sm(&sc->sc_pc.sc_dev, 143 &paa, ipaqpcic_print, ipaqpcic_submatch); 144 145 sa11x0_intr_establish((sa11x0_chipset_tag_t)psc, 146 i ? IRQ_CD1 : IRQ_CD0, 147 1, IPL_BIO, sapcic_intr, 148 &sc->sc_socket[i]); 149 150 /* schedule kthread creation */ 151 kthread_create(sapcic_kthread_create, &sc->sc_socket[i]); 152 153 #if 0 /* XXX */ 154 /* establish_intr should be after creating the kthread */ 155 config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr); 156 #endif 157 } 158 } 159 160 static int 161 ipaqpcic_print(aux, name) 162 void *aux; 163 const char *name; 164 { 165 return (UNCONF); 166 } 167 168 static int 169 ipaqpcic_submatch(parent, cf, aux) 170 struct device *parent; 171 struct cfdata *cf; 172 void *aux; 173 { 174 return (*cf->cf_attach->ca_match)(parent, cf, aux); 175 } 176 177 static void 178 ipaqpcic_init(sc) 179 struct ipaqpcic_softc *sc; 180 { 181 sc->sc_parent->ipaq_egpio |= 182 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON ; 183 sc->sc_parent->ipaq_egpio &= 184 ~(EGPIO_H3600_CARD_RESET | EGPIO_H3600_OPT_RESET); 185 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 186 0, sc->sc_parent->ipaq_egpio); 187 } 188 189 static int 190 ipaqpcic_read(so, reg) 191 struct sapcic_socket *so; 192 int reg; 193 { 194 int cr, bit; 195 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 196 197 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR); 198 199 switch (reg) { 200 case SAPCIC_STATUS_CARD: 201 case SAPCIC_STATUS_READY: 202 bit = (so->socket ? GPIO_H3600_PCMCIA_CD1 : 203 GPIO_H3600_PCMCIA_CD0) & cr; 204 if (bit) 205 return SAPCIC_CARD_INVALID; 206 else 207 return SAPCIC_CARD_VALID; 208 case SAPCIC_STATUS_VS1: 209 case SAPCIC_STATUS_VS2: 210 default: 211 panic("ipaqpcic_read: bogus register\n"); 212 } 213 } 214 215 static void 216 ipaqpcic_write(so, reg, arg) 217 struct sapcic_socket *so; 218 int reg; 219 int arg; 220 { 221 int s; 222 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 223 224 s = splhigh(); 225 switch (reg) { 226 case SAPCIC_CONTROL_RESET: 227 sc->sc_parent->ipaq_egpio |= EGPIO_H3600_CARD_RESET; 228 break; 229 case SAPCIC_CONTROL_LINEENABLE: 230 case SAPCIC_CONTROL_WAITENABLE: 231 case SAPCIC_CONTROL_POWERSELECT: 232 break; 233 234 default: 235 splx(s); 236 panic("ipaqpcic_write: bogus register"); 237 } 238 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 0, 239 sc->sc_parent->ipaq_egpio); 240 splx(s); 241 } 242 243 static void 244 ipaqpcic_set_power(so, arg) 245 struct sapcic_socket *so; 246 int arg; 247 { 248 int s; 249 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 250 251 s = splbio(); 252 switch (arg) { 253 case SAPCIC_POWER_OFF: 254 sc->sc_parent->ipaq_egpio &= 255 ~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON); 256 break; 257 case SAPCIC_POWER_3V: 258 case SAPCIC_POWER_5V: 259 sc->sc_parent->ipaq_egpio |= 260 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON; 261 break; 262 default: 263 panic("ipaqpcic_set_power: bogus arg\n"); 264 } 265 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 266 0, sc->sc_parent->ipaq_egpio); 267 splx(s); 268 } 269 270 static void 271 ipaqpcic_clear_intr(arg) 272 { 273 } 274 275 static void * 276 ipaqpcic_intr_establish(so, level, ih_fun, ih_arg) 277 struct sapcic_socket *so; 278 int level; 279 int (*ih_fun)(void *); 280 void *ih_arg; 281 { 282 int irq; 283 284 irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1; 285 return (sa11x0_intr_establish((sa11x0_chipset_tag_t)so->pcictag_cookie, 286 irq-16, 1, level, ih_fun, ih_arg)); 287 } 288 289 static void 290 ipaqpcic_intr_disestablish(so, ih) 291 struct sapcic_socket *so; 292 void *ih; 293 { 294 sa11x0_intr_disestablish((sa11x0_chipset_tag_t)so->pcictag_cookie, ih); 295 } 296
Indexes created Mon Sep 22 13:09:51 GMT 2025