ipaq_pcic.c revision 1.2
1 /* $NetBSD: ipaq_pcic.c,v 1.2 2001/07/10 17:23:18 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_reg.h> 58 #include <hpcarm/sa11x0/sa11x0_var.h> 59 #include <hpcarm/sa11x0/sa11xx_pcicvar.h> 60 61 #include "ipaqpcic.h" 62 63 static int ipaqpcic_match(struct device *, struct cfdata *, void *); 64 static void ipaqpcic_attach(struct device *, struct device *, void *); 65 static int ipaqpcic_print(void *, const char *); 66 static int ipaqpcic_submatch(struct device *, struct cfdata *, void *); 67 68 static int ipaqpcic_read(struct sapcic_socket *, int); 69 static void ipaqpcic_write(struct sapcic_socket *, int, int); 70 static void ipaqpcic_set_power(struct sapcic_socket *, int); 71 static void ipaqpcic_clear_intr(int); 72 static void *ipaqpcic_intr_establish(struct sapcic_socket *, int, 73 int (*)(void *), void *); 74 static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *); 75 76 struct ipaqpcic_softc { 77 struct sapcic_softc sc_pc; 78 bus_space_handle_t sc_ioh; 79 bus_space_handle_t sc_gpioh; 80 bus_space_handle_t sc_egpioh; 81 82 struct sapcic_socket sc_socket[2]; 83 }; 84 85 static struct sapcic_tag ipaqpcic_functions = { 86 ipaqpcic_read, 87 ipaqpcic_write, 88 ipaqpcic_set_power, 89 ipaqpcic_clear_intr, 90 ipaqpcic_intr_establish, 91 ipaqpcic_intr_disestablish 92 }; 93 94 struct cfattach ipaqpcic_ca = { 95 sizeof(struct ipaqpcic_softc), ipaqpcic_match, ipaqpcic_attach 96 }; 97 98 static int 99 ipaqpcic_match(parent, cf, aux) 100 struct device *parent; 101 struct cfdata *cf; 102 void *aux; 103 { 104 return (1); 105 } 106 107 static void 108 ipaqpcic_attach(parent, self, aux) 109 struct device *parent; 110 struct device *self; 111 void *aux; 112 { 113 int i; 114 struct pcmciabus_attach_args paa; 115 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self; 116 struct ipaq_softc *psc = (struct ipaq_softc *)parent; 117 118 printf("\n"); 119 120 sc->sc_pc.sc_iot = psc->sc_iot; 121 sc->sc_ioh = psc->sc_ioh; 122 123 sc->sc_gpioh = psc->sc_gpioh; 124 sc->sc_egpioh = psc->sc_egpioh; 125 126 for(i = 0; i < 2; i++) { 127 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 128 sc->sc_socket[i].socket = i; 129 sc->sc_socket[i].sapcic_cookie = psc; 130 sc->sc_socket[i].pcictag_cookie = NULL; 131 sc->sc_socket[i].pcictag = &ipaqpcic_functions; 132 sc->sc_socket[i].event_thread = NULL; 133 sc->sc_socket[i].event = 0; 134 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 135 sc->sc_socket[i].shutdown = 0; 136 137 paa.paa_busname = "pcmcia"; 138 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 139 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 140 paa.iobase = 0; 141 paa.iosize = 0x4000000; 142 143 sc->sc_socket[i].pcmcia = 144 (struct device *)config_found_sm(&sc->sc_pc.sc_dev, 145 &paa, ipaqpcic_print, ipaqpcic_submatch); 146 147 sa11x0_intr_establish((sa11x0_chipset_tag_t)psc, 148 i ? IRQ_CD1 : IRQ_CD0, 149 1, IPL_BIO, sapcic_intr, 150 &sc->sc_socket[i]); 151 152 /* schedule kthread creation */ 153 kthread_create(sapcic_kthread_create, &sc->sc_socket[i]); 154 155 #if 0 /* XXX */ 156 /* establish_intr should be after creating the kthread */ 157 config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr); 158 #endif 159 } 160 } 161 162 static int 163 ipaqpcic_print(aux, name) 164 void *aux; 165 const char *name; 166 { 167 return (UNCONF); 168 } 169 170 static int 171 ipaqpcic_submatch(parent, cf, aux) 172 struct device *parent; 173 struct cfdata *cf; 174 void *aux; 175 { 176 return (*cf->cf_attach->ca_match)(parent, cf, aux); 177 } 178 179 180 static int 181 ipaqpcic_read(so, reg) 182 struct sapcic_socket *so; 183 int reg; 184 { 185 int cr, bit; 186 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 187 188 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_gpioh, SAGPIO_PLR); 189 190 switch (reg) { 191 case SAPCIC_STATUS_CARD: 192 case SAPCIC_STATUS_READY: 193 bit = (so->socket ? GPIO_H3600_PCMCIA_CD1 : 194 GPIO_H3600_PCMCIA_CD0) & cr; 195 if (bit) 196 return SAPCIC_CARD_INVALID; 197 else 198 return SAPCIC_CARD_VALID; 199 case SAPCIC_STATUS_VS1: 200 case SAPCIC_STATUS_VS2: 201 default: 202 panic("ipaqpcic_read: bogus register\n"); 203 } 204 } 205 206 static void 207 ipaqpcic_write(so, reg, arg) 208 struct sapcic_socket *so; 209 int reg; 210 int arg; 211 { 212 int s, value; 213 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 214 215 value = 0; 216 s = splhigh(); 217 switch (reg) { 218 case SAPCIC_CONTROL_RESET: 219 value = EGPIO_H3600_CARD_RESET; 220 break; 221 case SAPCIC_CONTROL_LINEENABLE: 222 case SAPCIC_CONTROL_WAITENABLE: 223 case SAPCIC_CONTROL_POWERSELECT: 224 break; 225 226 default: 227 splx(s); 228 panic("ipaqpcic_write: bogus register"); 229 } 230 value |= bus_space_read_2(sc->sc_pc.sc_iot, sc->sc_egpioh, 0) & 0xFFFF; 231 #if 0 232 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_egpioh, 0, value); 233 #endif 234 splx(s); 235 } 236 237 static void 238 ipaqpcic_set_power(so, arg) 239 struct sapcic_socket *so; 240 int arg; 241 { 242 int value, s; 243 struct ipaqpcic_softc *sc = so->sapcic_cookie; 244 245 s = splbio(); 246 switch (arg) { 247 case SAPCIC_POWER_OFF: 248 value &= ~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON); 249 break; 250 case SAPCIC_POWER_3V: 251 case SAPCIC_POWER_5V: 252 value |= EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON; 253 break; 254 default: 255 panic("ipaqpcic_set_power: bogus arg\n"); 256 } 257 258 value |= bus_space_read_2(sc->sc_pc.sc_iot, sc->sc_egpioh, 0) & 0xFFFF; 259 #if 0 260 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_egpioh, 0, value); 261 #endif 262 splx(s); 263 } 264 265 static void 266 ipaqpcic_clear_intr(arg) 267 { 268 } 269 270 static void * 271 ipaqpcic_intr_establish(so, level, ih_fun, ih_arg) 272 struct sapcic_socket *so; 273 int level; 274 int (*ih_fun)(void *); 275 void *ih_arg; 276 { 277 int irq; 278 279 irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1; 280 return (sa11x0_intr_establish((sa11x0_chipset_tag_t)so->sapcic_cookie, 281 irq-16, 1, level, ih_fun, ih_arg)); 282 } 283 284 static void 285 ipaqpcic_intr_disestablish(so, ih) 286 struct sapcic_socket *so; 287 void *ih; 288 { 289 sa11x0_intr_disestablish((sa11x0_chipset_tag_t)so->sapcic_cookie, ih); 290 } 291
Indexes created Thu Oct 02 07:10:07 GMT 2025