ipaq_pcic.c revision 1.17.20.1
1 /* $NetBSD: ipaq_pcic.c,v 1.17.20.1 2008/05/16 02:22:27 yamt 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 * 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: ipaq_pcic.c,v 1.17.20.1 2008/05/16 02:22:27 yamt Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/types.h> 38 #include <sys/conf.h> 39 #include <sys/file.h> 40 #include <sys/device.h> 41 #include <sys/kernel.h> 42 #include <sys/kthread.h> 43 #include <sys/malloc.h> 44 45 #include <machine/bus.h> 46 #include <dev/pcmcia/pcmciachip.h> 47 #include <dev/pcmcia/pcmciavar.h> 48 49 #include <hpcarm/dev/ipaq_saipvar.h> 50 #include <hpcarm/dev/ipaq_pcicreg.h> 51 #include <hpcarm/dev/ipaq_gpioreg.h> 52 53 #include <arm/sa11x0/sa11x0_gpioreg.h> 54 #include <arm/sa11x0/sa11x0_var.h> 55 #include <arm/sa11x0/sa11xx_pcicvar.h> 56 57 #include "ipaqpcic.h" 58 59 static int ipaqpcic_match(struct device *, struct cfdata *, void *); 60 static void ipaqpcic_attach(struct device *, struct device *, void *); 61 static int ipaqpcic_print(void *, const char *); 62 63 static int ipaqpcic_read(struct sapcic_socket *, int); 64 static void ipaqpcic_write(struct sapcic_socket *, int, int); 65 static void ipaqpcic_set_power(struct sapcic_socket *, int); 66 static void ipaqpcic_clear_intr(int); 67 static void *ipaqpcic_intr_establish(struct sapcic_socket *, int, 68 int (*)(void *), void *); 69 static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *); 70 71 struct ipaqpcic_softc { 72 struct sapcic_softc sc_pc; 73 bus_space_handle_t sc_ioh; 74 struct ipaq_softc *sc_parent; 75 struct sapcic_socket sc_socket[2]; 76 }; 77 78 static void ipaqpcic_init(struct ipaqpcic_softc *); 79 80 static struct sapcic_tag ipaqpcic_functions = { 81 ipaqpcic_read, 82 ipaqpcic_write, 83 ipaqpcic_set_power, 84 ipaqpcic_clear_intr, 85 ipaqpcic_intr_establish, 86 ipaqpcic_intr_disestablish 87 }; 88 89 CFATTACH_DECL(ipaqpcic, sizeof(struct ipaqpcic_softc), 90 ipaqpcic_match, ipaqpcic_attach, NULL, NULL); 91 92 static int 93 ipaqpcic_match(struct device *parent, struct cfdata *cf, void *aux) 94 { 95 return (1); 96 } 97 98 static void 99 ipaqpcic_attach(struct device *parent, struct device *self, void *aux) 100 { 101 int i; 102 struct pcmciabus_attach_args paa; 103 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self; 104 struct ipaq_softc *psc = (struct ipaq_softc *)parent; 105 106 printf("\n"); 107 108 sc->sc_pc.sc_iot = psc->sc_iot; 109 sc->sc_ioh = psc->sc_ioh; 110 sc->sc_parent = (struct ipaq_softc *)parent; 111 112 ipaqpcic_init(sc); 113 114 for(i = 0; i < 2; i++) { 115 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 116 sc->sc_socket[i].socket = i; 117 sc->sc_socket[i].pcictag_cookie = psc; 118 sc->sc_socket[i].pcictag = &ipaqpcic_functions; 119 sc->sc_socket[i].event_thread = NULL; 120 sc->sc_socket[i].event = 0; 121 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 122 sc->sc_socket[i].shutdown = 0; 123 124 paa.paa_busname = "pcmcia"; 125 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 126 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 127 paa.iobase = 0; 128 paa.iosize = 0x4000000; 129 130 sc->sc_socket[i].pcmcia = 131 config_found_ia(&sc->sc_pc.sc_dev, "pcmciabus", 132 &paa, ipaqpcic_print); 133 134 sa11x0_intr_establish((sa11x0_chipset_tag_t)psc, 135 i ? IRQ_CD1 : IRQ_CD0, 136 1, IPL_BIO, sapcic_intr, 137 &sc->sc_socket[i]); 138 139 /* schedule kthread creation */ 140 sapcic_kthread_create(&sc->sc_socket[i]); 141 142 #if 0 /* XXX */ 143 /* establish_intr should be after creating the kthread */ 144 config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr); 145 #endif 146 } 147 } 148 149 static int 150 ipaqpcic_print(void *aux, const char *name) 151 { 152 return (UNCONF); 153 } 154 155 static void 156 ipaqpcic_init(struct ipaqpcic_softc *sc) 157 { 158 int cr; 159 160 /* All those are inputs */ 161 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR); 162 cr &= ~(GPIO_H3600_PCMCIA_CD0 | GPIO_H3600_PCMCIA_CD1 | GPIO_H3600_PCMCIA_IRQ0 | 163 GPIO_H3600_PCMCIA_IRQ1); 164 bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR, cr); 165 166 sc->sc_parent->ipaq_egpio |= 167 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON ; 168 sc->sc_parent->ipaq_egpio &= 169 ~(EGPIO_H3600_CARD_RESET | EGPIO_H3600_OPT_RESET); 170 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 171 0, sc->sc_parent->ipaq_egpio); 172 } 173 174 static int 175 ipaqpcic_read(struct sapcic_socket *so, int reg) 176 { 177 int cr, bit; 178 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 179 180 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR); 181 182 switch (reg) { 183 case SAPCIC_STATUS_CARD: 184 bit = (so->socket ? GPIO_H3600_PCMCIA_CD0 : 185 GPIO_H3600_PCMCIA_CD1) & cr; 186 if (!bit) 187 return SAPCIC_CARD_INVALID; 188 else 189 return SAPCIC_CARD_VALID; 190 case SAPCIC_STATUS_VS1: 191 case SAPCIC_STATUS_VS2: 192 case SAPCIC_STATUS_READY: 193 bit = (so->socket ? GPIO_H3600_PCMCIA_IRQ0: 194 GPIO_H3600_PCMCIA_IRQ1); 195 return (bit & cr); 196 default: 197 panic("ipaqpcic_read: bogus register"); 198 } 199 } 200 201 static void 202 ipaqpcic_write(struct sapcic_socket *so, int reg, int arg) 203 { 204 int s; 205 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 206 207 s = splhigh(); 208 switch (reg) { 209 case SAPCIC_CONTROL_RESET: 210 sc->sc_parent->ipaq_egpio |= EGPIO_H3600_CARD_RESET; 211 break; 212 case SAPCIC_CONTROL_LINEENABLE: 213 case SAPCIC_CONTROL_WAITENABLE: 214 case SAPCIC_CONTROL_POWERSELECT: 215 break; 216 217 default: 218 splx(s); 219 panic("ipaqpcic_write: bogus register"); 220 } 221 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 0, 222 sc->sc_parent->ipaq_egpio); 223 splx(s); 224 } 225 226 static void 227 ipaqpcic_set_power(struct sapcic_socket *so, int arg) 228 { 229 int s; 230 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 231 232 s = splbio(); 233 switch (arg) { 234 case SAPCIC_POWER_OFF: 235 sc->sc_parent->ipaq_egpio &= 236 ~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON); 237 break; 238 case SAPCIC_POWER_3V: 239 case SAPCIC_POWER_5V: 240 sc->sc_parent->ipaq_egpio |= 241 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON; 242 break; 243 default: 244 panic("ipaqpcic_set_power: bogus arg"); 245 } 246 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 247 0, sc->sc_parent->ipaq_egpio); 248 splx(s); 249 } 250 251 static void 252 ipaqpcic_clear_intr(int arg) 253 { 254 } 255 256 static void * 257 ipaqpcic_intr_establish(struct sapcic_socket *so, int level, 258 int (*ih_fun)(void *), void *ih_arg) 259 { 260 int irq; 261 262 irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1; 263 return (sa11x0_intr_establish((sa11x0_chipset_tag_t)so->pcictag_cookie, 264 irq-16, 1, level, ih_fun, ih_arg)); 265 } 266 267 static void 268 ipaqpcic_intr_disestablish(struct sapcic_socket *so, void *ih) 269 { 270 sa11x0_intr_disestablish((sa11x0_chipset_tag_t)so->pcictag_cookie, ih); 271 } 272
Indexes created Thu Oct 02 10:09:58 GMT 2025