sa11x1_pcic.c revision 1.9
1 /* $NetBSD: sa11x1_pcic.c,v 1.9 2003/08/08 12:29:23 bsh 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 IWAMOTO Toshihiro. 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: sa11x1_pcic.c,v 1.9 2003/08/08 12:29:23 bsh 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 54 #include <dev/pcmcia/pcmciachip.h> 55 #include <dev/pcmcia/pcmciavar.h> 56 #include <arm/sa11x0/sa11x0_reg.h> 57 #include <arm/sa11x0/sa11x0_var.h> 58 #include <arm/sa11x0/sa1111_reg.h> 59 #include <arm/sa11x0/sa1111_var.h> 60 #include <arm/sa11x0/sa11x1_pcicreg.h> 61 #include <arm/sa11x0/sa11xx_pcicvar.h> 62 #include <arm/sa11x0/sa11x1_pcicvar.h> 63 64 #include "sacpcic.h" 65 66 static int sacpcic_print(void *, const char *); 67 static int sacpcic_submatch(struct device *, struct cfdata *, void *); 68 69 70 void 71 sacpcic_attach_common(struct sacc_softc *psc, struct sacpcic_softc *sc, 72 void *aux, void (* socket_setup_hook)(struct sapcic_socket *)) 73 { 74 int i; 75 struct pcmciabus_attach_args paa; 76 77 printf("\n"); 78 79 sc->sc_pc.sc_iot = psc->sc_iot; 80 sc->sc_ioh = psc->sc_ioh; 81 82 for(i = 0; i < 2; i++) { 83 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 84 sc->sc_socket[i].socket = i; 85 sc->sc_socket[i].pcictag_cookie = psc; 86 sc->sc_socket[i].pcictag = NULL; 87 sc->sc_socket[i].event_thread = NULL; 88 sc->sc_socket[i].event = 0; 89 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 90 sc->sc_socket[i].shutdown = 0; 91 92 socket_setup_hook(&sc->sc_socket[i]); 93 94 paa.paa_busname = "pcmcia"; 95 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 96 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 97 paa.iobase = 0; 98 paa.iosize = 0x4000000; 99 100 sc->sc_socket[i].pcmcia = 101 (struct device *)config_found_sm(&sc->sc_pc.sc_dev, 102 &paa, sacpcic_print, sacpcic_submatch); 103 104 sacc_intr_establish((sacc_chipset_tag_t)psc, 105 i ? IRQ_S1_CDVALID : IRQ_S0_CDVALID, 106 IST_EDGE_RAISE, IPL_BIO, sapcic_intr, 107 &sc->sc_socket[i]); 108 109 /* schedule kthread creation */ 110 kthread_create(sapcic_kthread_create, &sc->sc_socket[i]); 111 112 #if 0 /* XXX */ 113 /* establish_intr should be after creating the kthread */ 114 config_interrupt(&sc->sc_socket[i], sacpcic_config_intr); 115 #endif 116 } 117 } 118 119 int 120 sacpcic_print(aux, name) 121 void *aux; 122 const char *name; 123 { 124 return (UNCONF); 125 } 126 127 int 128 sacpcic_submatch(struct device *parent, struct cfdata *cf, void *aux) 129 { 130 return config_match(parent, cf, aux); 131 } 132 133 134 int 135 sacpcic_read(struct sapcic_socket *so, int reg) 136 { 137 int cr, bit; 138 struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; 139 140 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_SR); 141 142 switch (reg) { 143 case SAPCIC_STATUS_CARD: 144 bit = (so->socket ? SR_S1_CARDDETECT : SR_S0_CARDDETECT) & cr; 145 if (bit) 146 return SAPCIC_CARD_INVALID; 147 else 148 return SAPCIC_CARD_VALID; 149 150 case SAPCIC_STATUS_VS1: 151 bit = (so->socket ? SR_S1_VS1 : SR_S0_VS1); 152 return (bit & cr); 153 154 case SAPCIC_STATUS_VS2: 155 bit = (so->socket ? SR_S1_VS2 : SR_S0_VS2); 156 return (bit & cr); 157 158 case SAPCIC_STATUS_READY: 159 bit = (so->socket ? SR_S1_READY : SR_S0_READY); 160 return (bit & cr); 161 162 default: 163 panic("sacpcic_read: bogus register"); 164 } 165 } 166 167 void 168 sacpcic_write(struct sapcic_socket *so, int reg, int arg) 169 { 170 int s, oldvalue, newvalue, mask; 171 struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; 172 173 s = splhigh(); 174 oldvalue = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR); 175 176 switch (reg) { 177 case SAPCIC_CONTROL_RESET: 178 mask = so->socket ? CR_S1_RST : CR_S0_RST; 179 180 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 181 break; 182 183 case SAPCIC_CONTROL_LINEENABLE: 184 mask = so->socket ? CR_S1_FLT : CR_S0_FLT; 185 186 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 187 break; 188 189 case SAPCIC_CONTROL_WAITENABLE: 190 mask = so->socket ? CR_S1_PWAITEN : CR_S0_PWAITEN; 191 192 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 193 break; 194 195 case SAPCIC_CONTROL_POWERSELECT: 196 mask = so->socket ? CR_S1_PSE : CR_S0_PSE; 197 newvalue = oldvalue & ~mask; 198 199 switch (arg) { 200 case SAPCIC_POWER_3V: 201 break; 202 case SAPCIC_POWER_5V: 203 newvalue |= mask; 204 break; 205 default: 206 splx(s); 207 panic("sacpcic_write: bogus arg"); 208 } 209 break; 210 211 default: 212 splx(s); 213 panic("sacpcic_write: bogus register"); 214 } 215 bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR, newvalue); 216 splx(s); 217 } 218 219 void 220 sacpcic_clear_intr(arg) 221 { 222 /* sacc_intr_dispatch takes care of intr status */ 223 } 224 225 void * 226 sacpcic_intr_establish(so, level, ih_fun, ih_arg) 227 struct sapcic_socket *so; 228 int level; 229 int (*ih_fun)(void *); 230 void *ih_arg; 231 { 232 int irq; 233 234 irq = so->socket ? IRQ_S1_READY : IRQ_S0_READY; 235 return (sacc_intr_establish((sacc_chipset_tag_t)so->pcictag_cookie, irq, 236 IST_EDGE_FALL, level, ih_fun, ih_arg)); 237 } 238 239 void 240 sacpcic_intr_disestablish(so, ih) 241 struct sapcic_socket *so; 242 void *ih; 243 { 244 sacc_intr_disestablish((sacc_chipset_tag_t)so->pcictag_cookie, ih); 245 } 246
Indexes created Wed Oct 01 13:09:50 GMT 2025