sa11x1_pcic.c revision 1.12
1 /* $NetBSD: sa11x1_pcic.c,v 1.12 2006/03/04 17:22:06 peter 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 1.12 2006/03/04 17:22:06 peter 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 68 void 69 sacpcic_attach_common(struct sacc_softc *psc, struct sacpcic_softc *sc, 70 void *aux, void (* socket_setup_hook)(struct sapcic_socket *)) 71 { 72 int i; 73 struct pcmciabus_attach_args paa; 74 75 printf("\n"); 76 77 sc->sc_pc.sc_iot = psc->sc_iot; 78 sc->sc_ioh = psc->sc_ioh; 79 80 for(i = 0; i < 2; i++) { 81 sc->sc_socket[i].sc = (struct sapcic_softc *)sc; 82 sc->sc_socket[i].socket = i; 83 sc->sc_socket[i].pcictag_cookie = psc; 84 sc->sc_socket[i].pcictag = NULL; 85 sc->sc_socket[i].event_thread = NULL; 86 sc->sc_socket[i].event = 0; 87 sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; 88 sc->sc_socket[i].shutdown = 0; 89 90 socket_setup_hook(&sc->sc_socket[i]); 91 92 paa.paa_busname = "pcmcia"; 93 paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; 94 paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; 95 paa.iobase = 0; 96 paa.iosize = 0x4000000; 97 98 sc->sc_socket[i].pcmcia = 99 config_found_ia(&sc->sc_pc.sc_dev, "pcmciabus", &paa, 100 sacpcic_print); 101 102 sacc_intr_establish((sacc_chipset_tag_t)psc, 103 i ? IRQ_S1_CDVALID : IRQ_S0_CDVALID, 104 IST_EDGE_RAISE, IPL_BIO, sapcic_intr, 105 &sc->sc_socket[i]); 106 107 /* schedule kthread creation */ 108 kthread_create(sapcic_kthread_create, &sc->sc_socket[i]); 109 110 #if 0 /* XXX */ 111 /* establish_intr should be after creating the kthread */ 112 config_interrupt(&sc->sc_socket[i], sacpcic_config_intr); 113 #endif 114 } 115 } 116 117 int 118 sacpcic_print(void *aux, const char *name) 119 { 120 return (UNCONF); 121 } 122 123 int 124 sacpcic_read(struct sapcic_socket *so, int reg) 125 { 126 int cr, bit; 127 struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; 128 129 cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_SR); 130 131 switch (reg) { 132 case SAPCIC_STATUS_CARD: 133 bit = (so->socket ? SR_S1_CARDDETECT : SR_S0_CARDDETECT) & cr; 134 if (bit) 135 return SAPCIC_CARD_INVALID; 136 else 137 return SAPCIC_CARD_VALID; 138 139 case SAPCIC_STATUS_VS1: 140 bit = (so->socket ? SR_S1_VS1 : SR_S0_VS1); 141 return (bit & cr); 142 143 case SAPCIC_STATUS_VS2: 144 bit = (so->socket ? SR_S1_VS2 : SR_S0_VS2); 145 return (bit & cr); 146 147 case SAPCIC_STATUS_READY: 148 bit = (so->socket ? SR_S1_READY : SR_S0_READY); 149 return (bit & cr); 150 151 default: 152 panic("sacpcic_read: bogus register"); 153 } 154 } 155 156 void 157 sacpcic_write(struct sapcic_socket *so, int reg, int arg) 158 { 159 int s, oldvalue, newvalue, mask; 160 struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; 161 162 s = splhigh(); 163 oldvalue = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR); 164 165 switch (reg) { 166 case SAPCIC_CONTROL_RESET: 167 mask = so->socket ? CR_S1_RST : CR_S0_RST; 168 169 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 170 break; 171 172 case SAPCIC_CONTROL_LINEENABLE: 173 mask = so->socket ? CR_S1_FLT : CR_S0_FLT; 174 175 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 176 break; 177 178 case SAPCIC_CONTROL_WAITENABLE: 179 mask = so->socket ? CR_S1_PWAITEN : CR_S0_PWAITEN; 180 181 newvalue = (oldvalue & ~mask) | (arg ? mask : 0); 182 break; 183 184 case SAPCIC_CONTROL_POWERSELECT: 185 mask = so->socket ? CR_S1_PSE : CR_S0_PSE; 186 newvalue = oldvalue & ~mask; 187 188 switch (arg) { 189 case SAPCIC_POWER_3V: 190 break; 191 case SAPCIC_POWER_5V: 192 newvalue |= mask; 193 break; 194 default: 195 splx(s); 196 panic("sacpcic_write: bogus arg"); 197 } 198 break; 199 200 default: 201 splx(s); 202 panic("sacpcic_write: bogus register"); 203 } 204 bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR, newvalue); 205 splx(s); 206 } 207 208 void 209 sacpcic_clear_intr(int arg) 210 { 211 /* sacc_intr_dispatch takes care of intr status */ 212 } 213 214 void * 215 sacpcic_intr_establish(struct sapcic_socket *so, int level, 216 int (*ih_fun)(void *), void *ih_arg) 217 { 218 int irq; 219 220 irq = so->socket ? IRQ_S1_READY : IRQ_S0_READY; 221 return (sacc_intr_establish((sacc_chipset_tag_t)so->pcictag_cookie, irq, 222 IST_EDGE_FALL, level, ih_fun, ih_arg)); 223 } 224 225 void 226 sacpcic_intr_disestablish(struct sapcic_socket *so, void *ih) 227 { 228 sacc_intr_disestablish((sacc_chipset_tag_t)so->pcictag_cookie, ih); 229 } 230
Indexes created Wed Oct 01 19:09:53 GMT 2025