ipaq_pcic.c revision 1.16.6.1
1 /* $NetBSD: ipaq_pcic.c,v 1.16.6.1 2007/10/06 17:38:31 rjs 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 1.16.6.1 2007/10/06 17:38:31 rjs 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 70 static int ipaqpcic_read(struct sapcic_socket *, int); 71 static void ipaqpcic_write(struct sapcic_socket *, int, int); 72 static void ipaqpcic_set_power(struct sapcic_socket *, int); 73 static void ipaqpcic_clear_intr(int); 74 static void *ipaqpcic_intr_establish(struct sapcic_socket *, int, 75 int (*)(void *), void *); 76 static void ipaqpcic_intr_disestablish(struct sapcic_socket *, void *); 77 78 struct ipaqpcic_softc { 79 struct sapcic_softc sc_pc; 80 bus_space_handle_t sc_ioh; 81 struct ipaq_softc *sc_parent; 82 struct sapcic_socket sc_socket[2]; 83 }; 84 85 static void ipaqpcic_init(struct ipaqpcic_softc *); 86 87 static struct sapcic_tag ipaqpcic_functions = { 88 ipaqpcic_read, 89 ipaqpcic_write, 90 ipaqpcic_set_power, 91 ipaqpcic_clear_intr, 92 ipaqpcic_intr_establish, 93 ipaqpcic_intr_disestablish 94 }; 95 96 CFATTACH_DECL(ipaqpcic, sizeof(struct ipaqpcic_softc), 97 ipaqpcic_match, ipaqpcic_attach, NULL, NULL); 98 99 static int 100 ipaqpcic_match(struct device *parent, struct cfdata *cf, void *aux) 101 { 102 return (1); 103 } 104 105 static void 106 ipaqpcic_attach(struct device *parent, struct device *self, void *aux) 107 { 108 int i; 109 struct pcmciabus_attach_args paa; 110 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)self; 111 struct ipaq_softc *psc = (struct ipaq_softc *)parent; 112 113 printf("\n"); 114 115 sc->sc_pc.sc_iot = psc->sc_iot; 116 sc->sc_ioh = psc->sc_ioh; 117 sc->sc_parent = (struct ipaq_softc *)parent; 118 119 ipaqpcic_init(sc); 120 121 for(i = 0; i < 2; i++) { 122 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 123 sc->sc_socket[i].socket = i; 124 sc->sc_socket[i].pcictag_cookie = psc; 125 sc->sc_socket[i].pcictag = &ipaqpcic_functions; 126 sc->sc_socket[i].event_thread = NULL; 127 sc->sc_socket[i].event = 0; 128 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 129 sc->sc_socket[i].shutdown = 0; 130 131 paa.paa_busname = "pcmcia"; 132 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 133 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 134 paa.iobase = 0; 135 paa.iosize = 0x4000000; 136 137 sc->sc_socket[i].pcmcia = 138 config_found_ia(&sc->sc_pc.sc_dev, "pcmciabus", 139 &paa, ipaqpcic_print); 140 141 sa11x0_intr_establish(i ? IRQ_CD1 : IRQ_CD0, 142 IPL_BIO, sapcic_intr, 143 &sc->sc_socket[i]); 144 145 /* schedule kthread creation */ 146 sapcic_kthread_create(&sc->sc_socket[i]); 147 148 #if 0 /* XXX */ 149 /* establish_intr should be after creating the kthread */ 150 config_interrupt(&sc->sc_socket[i], ipaqpcic_config_intr); 151 #endif 152 } 153 } 154 155 static int 156 ipaqpcic_print(void *aux, const char *name) 157 { 158 return (UNCONF); 159 } 160 161 static void 162 ipaqpcic_init(struct ipaqpcic_softc *sc) 163 { 164 int cr; 165 166 /* All those are inputs */ 167 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR); 168 cr &= ~(GPIO_H3600_PCMCIA_CD0 | GPIO_H3600_PCMCIA_CD1 | GPIO_H3600_PCMCIA_IRQ0 | 169 GPIO_H3600_PCMCIA_IRQ1); 170 bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PDR, cr); 171 172 sc->sc_parent->ipaq_egpio |= 173 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON ; 174 sc->sc_parent->ipaq_egpio &= 175 ~(EGPIO_H3600_CARD_RESET | EGPIO_H3600_OPT_RESET); 176 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 177 0, sc->sc_parent->ipaq_egpio); 178 } 179 180 static int 181 ipaqpcic_read(struct sapcic_socket *so, int reg) 182 { 183 int cr, bit; 184 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 185 186 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_parent->sc_gpioh, SAGPIO_PLR); 187 188 switch (reg) { 189 case SAPCIC_STATUS_CARD: 190 bit = (so->socket ? GPIO_H3600_PCMCIA_CD0 : 191 GPIO_H3600_PCMCIA_CD1) & cr; 192 if (!bit) 193 return SAPCIC_CARD_INVALID; 194 else 195 return SAPCIC_CARD_VALID; 196 case SAPCIC_STATUS_VS1: 197 case SAPCIC_STATUS_VS2: 198 case SAPCIC_STATUS_READY: 199 bit = (so->socket ? GPIO_H3600_PCMCIA_IRQ0: 200 GPIO_H3600_PCMCIA_IRQ1); 201 return (bit & cr); 202 default: 203 panic("ipaqpcic_read: bogus register"); 204 } 205 } 206 207 static void 208 ipaqpcic_write(struct sapcic_socket *so, int reg, int arg) 209 { 210 int s; 211 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 212 213 s = splhigh(); 214 switch (reg) { 215 case SAPCIC_CONTROL_RESET: 216 sc->sc_parent->ipaq_egpio |= EGPIO_H3600_CARD_RESET; 217 break; 218 case SAPCIC_CONTROL_LINEENABLE: 219 case SAPCIC_CONTROL_WAITENABLE: 220 case SAPCIC_CONTROL_POWERSELECT: 221 break; 222 223 default: 224 splx(s); 225 panic("ipaqpcic_write: bogus register"); 226 } 227 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 0, 228 sc->sc_parent->ipaq_egpio); 229 splx(s); 230 } 231 232 static void 233 ipaqpcic_set_power(struct sapcic_socket *so, int arg) 234 { 235 int s; 236 struct ipaqpcic_softc *sc = (struct ipaqpcic_softc *)so->sc; 237 238 s = splbio(); 239 switch (arg) { 240 case SAPCIC_POWER_OFF: 241 sc->sc_parent->ipaq_egpio &= 242 ~(EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON); 243 break; 244 case SAPCIC_POWER_3V: 245 case SAPCIC_POWER_5V: 246 sc->sc_parent->ipaq_egpio |= 247 EGPIO_H3600_OPT_NVRAM_ON | EGPIO_H3600_OPT_ON; 248 break; 249 default: 250 panic("ipaqpcic_set_power: bogus arg"); 251 } 252 bus_space_write_2(sc->sc_pc.sc_iot, sc->sc_parent->sc_egpioh, 253 0, sc->sc_parent->ipaq_egpio); 254 splx(s); 255 } 256 257 static void 258 ipaqpcic_clear_intr(int arg) 259 { 260 } 261 262 static void * 263 ipaqpcic_intr_establish(struct sapcic_socket *so, int level, 264 int (*ih_fun)(void *), void *ih_arg) 265 { 266 int irq; 267 268 irq = so->socket ? IRQ_IRQ0 : IRQ_IRQ1; 269 return (sa11x0_intr_establish(irq-16, level, ih_fun, ih_arg)); 270 } 271 272 static void 273 ipaqpcic_intr_disestablish(struct sapcic_socket *so, void *ih) 274 { 275 sa11x0_intr_disestablish(ih); 276 } 277
Indexes created Thu Oct 02 10:09:58 GMT 2025