ipaq_pcic.c revision 1.12
1 /* $NetBSD: ipaq_pcic.c,v 1.12 2003/07/15 00:25:07 lukem 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: ipaq_pcic.c,v 1.12 2003/07/15 00:25:07 lukem 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 <dev/pcmcia/pcmciachip.h> 54 #include <dev/pcmcia/pcmciavar.h> 55 56 #include <hpcarm/dev/ipaq_saipvar.h> 57 #include <hpcarm/dev/ipaq_pcicreg.h> 58 #include <hpcarm/dev/ipaq_gpioreg.h> 59 60 #include <arm/sa11x0/sa11x0_gpioreg.h> 61 #include <arm/sa11x0/sa11x0_var.h> 62 #include <arm/sa11x0/sa11xx_pcicvar.h> 63 64 #include "ipaqpcic.h" 65 66 static int ipaqpcic_match(struct device *, struct cfdata *, void *); 67 static void ipaqpcic_attach(struct device *, struct device *, void *); 68 static int ipaqpcic_print(void *, const char *); 69 static int ipaqpcic_submatch(struct device *, struct cfdata *, void *); 70 71 static int ipaqpcic_read(struct sapcic_socket *, int); 72 static void ipaqpcic_write(struct sapcic_socket *, int, int); 73 static void ipaqpcic_set_power(struct sapcic_socket *, int); 74 static void ipaqpcic_clear_intr(int); 75 static void *ipaqpcic_intr_establish(struct sapcic_socket *, int, 76 int (*)(void *), void *); 77 static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *); 78 79 struct ipaqpcic_softc { 80 struct sapcic_softc sc_pc; 81 bus_space_handle_t sc_ioh; 82 struct ipaq_softc *sc_parent; 83 struct sapcic_socket sc_socket[2]; 84 }; 85 86 static void ipaqpcic_init(struct ipaqpcic_softc *); 87 88 static struct sapcic_tag ipaqpcic_functions = { 89 ipaqpcic_read, 90 ipaqpcic_write, 91 ipaqpcic_set_power, 92 ipaqpcic_clear_intr, 93 ipaqpcic_intr_establish, 94 ipaqpcic_intr_disestablish 95 }; 96 97 CFATTACH_DECL(ipaqpcic, sizeof(struct ipaqpcic_softc), 98 ipaqpcic_match, ipaqpcic_attach, NULL, NULL); 99 100 static int 101 ipaqpcic_match(parent, cf, aux) 102 struct device *parent; 103 struct cfdata *cf; 104 void *aux; 105 { 106 return (1); 107 } 108 109 static void 110 ipaqpcic_attach(parent, self, aux) 111 struct device *parent; 112 struct device *self; 113 void *aux; 114 { 115 int i; 116 struct pcmciabus_attach_args paa; 117 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self; 118 struct ipaq_softc *psc = (struct ipaq_softc *)parent; 119 120 printf("\n"); 121 122 sc->sc_pc.sc_iot = psc->sc_iot; 123 sc->sc_ioh = psc->sc_ioh; 124 sc->sc_parent = (struct ipaq_softc *)parent; 125 126 ipaqpcic_init(sc); 127 128 for(i = 0; i < 2; i++) { 129 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 130 sc->sc_socket[i].socket = i; 131 sc->sc_socket[i].pcictag_cookie = psc; 132 sc->sc_socket[i].pcictag = &ipaqpcic_functions; 133 sc->sc_socket[i].event_thread = NULL; 134 sc->sc_socket[i].event = 0; 135 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 136 sc->sc_socket[i].shutdown = 0; 137 138 paa.paa_busname = "pcmcia"; 139 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 140 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 141 paa.iobase = 0; 142 paa.iosize = 0x4000000; 143 144 sc->sc_socket[i].pcmcia = 145 (struct device *)config_found_sm(&sc->sc_pc.sc_dev, 146 &paa, ipaqpcic_print, ipaqpcic_submatch); 147 148 sa11x0_intr_establish((sa11x0_chipset_tag_t)psc, 149 i ? IRQ_CD1 : IRQ_CD0, 150 1, IPL_BIO, sapcic_intr, 151 &sc->sc_socket[i]); 152 153 /* schedule kthread creation */ 154 kthread_create(sapcic_kthread_create, &sc->sc_socket[i]); 155 156 #if 0 /* XXX */ 157 /* establish_intr should be after creating the kthread */ 158 config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr); 159 #endif 160 } 161 } 162 163 static int 164 ipaqpcic_print(aux, name) 165 void *aux; 166 const char *name; 167 { 168 return (UNCONF); 169 } 170 171 static int 172 ipaqpcic_submatch(parent, cf, aux) 173 struct device *parent; 174 struct cfdata *cf; 175 void *aux; 176 { 177 return config_match(parent, cf, aux); 178 } 179 180 static void 181 ipaqpcic_init(sc) 182 struct ipaqpcic_softc *sc; 183 { 184 int cr; 185 186 /* All those are inputs */ 187 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR); 188 cr &= ~(GPIO_H3600_PCMCIA_CD0 | GPIO_H3600_PCMCIA_CD1 | GPIO_H3600_PCMCIA_IRQ0 | 189 GPIO_H3600_PCMCIA_IRQ1); 190 bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR, cr); 191 192 sc->sc_parent->ipaq_egpio |= 193 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON ; 194 sc->sc_parent->ipaq_egpio &= 195 ~(EGPIO_H3600_CARD_RESET | EGPIO_H3600_OPT_RESET); 196 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 197 0, sc->sc_parent->ipaq_egpio); 198 } 199 200 static int 201 ipaqpcic_read(so, reg) 202 struct sapcic_socket *so; 203 int reg; 204 { 205 int cr, bit; 206 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 207 208 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR); 209 210 switch (reg) { 211 case SAPCIC_STATUS_CARD: 212 bit = (so->socket ? GPIO_H3600_PCMCIA_CD0 : 213 GPIO_H3600_PCMCIA_CD1) & cr; 214 if (!bit) 215 return SAPCIC_CARD_INVALID; 216 else 217 return SAPCIC_CARD_VALID; 218 case SAPCIC_STATUS_VS1: 219 case SAPCIC_STATUS_VS2: 220 case SAPCIC_STATUS_READY: 221 bit = (so->socket ? GPIO_H3600_PCMCIA_IRQ0: 222 GPIO_H3600_PCMCIA_IRQ1); 223 return (bit & cr); 224 default: 225 panic("ipaqpcic_read: bogus register"); 226 } 227 } 228 229 static void 230 ipaqpcic_write(so, reg, arg) 231 struct sapcic_socket *so; 232 int reg; 233 int arg; 234 { 235 int s; 236 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 237 238 s = splhigh(); 239 switch (reg) { 240 case SAPCIC_CONTROL_RESET: 241 sc->sc_parent->ipaq_egpio |= EGPIO_H3600_CARD_RESET; 242 break; 243 case SAPCIC_CONTROL_LINEENABLE: 244 case SAPCIC_CONTROL_WAITENABLE: 245 case SAPCIC_CONTROL_POWERSELECT: 246 break; 247 248 default: 249 splx(s); 250 panic("ipaqpcic_write: bogus register"); 251 } 252 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 0, 253 sc->sc_parent->ipaq_egpio); 254 splx(s); 255 } 256 257 static void 258 ipaqpcic_set_power(so, arg) 259 struct sapcic_socket *so; 260 int arg; 261 { 262 int s; 263 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 264 265 s = splbio(); 266 switch (arg) { 267 case SAPCIC_POWER_OFF: 268 sc->sc_parent->ipaq_egpio &= 269 ~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON); 270 break; 271 case SAPCIC_POWER_3V: 272 case SAPCIC_POWER_5V: 273 sc->sc_parent->ipaq_egpio |= 274 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON; 275 break; 276 default: 277 panic("ipaqpcic_set_power: bogus arg"); 278 } 279 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 280 0, sc->sc_parent->ipaq_egpio); 281 splx(s); 282 } 283 284 static void 285 ipaqpcic_clear_intr(arg) 286 { 287 } 288 289 static void * 290 ipaqpcic_intr_establish(so, level, ih_fun, ih_arg) 291 struct sapcic_socket *so; 292 int level; 293 int (*ih_fun)(void *); 294 void *ih_arg; 295 { 296 int irq; 297 298 irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1; 299 return (sa11x0_intr_establish((sa11x0_chipset_tag_t)so->pcictag_cookie, 300 irq-16, 1, level, ih_fun, ih_arg)); 301 } 302 303 static void 304 ipaqpcic_intr_disestablish(so, ih) 305 struct sapcic_socket *so; 306 void *ih; 307 { 308 sa11x0_intr_disestablish((sa11x0_chipset_tag_t)so->pcictag_cookie, ih); 309 } 310
Indexes created Tue Sep 23 02:09:52 GMT 2025