/* $NetBSD: sa11x1_pcic.c,v 1.22 2011/07/26 22:52:47 dyoung Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by IWAMOTO Toshihiro. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: sa11x1_pcic.c,v 1.22 2011/07/26 22:52:47 dyoung Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "sacpcic.h" static int sacpcic_print(void *, const char *); static void sacpcic_config_deferred(device_t dev) { struct sacpcic_softc *sc = device_private(dev); struct sapcic_socket *so; int i; for (i = 0; i < 2; i++) { so = &sc->sc_socket[i]; sapcic_kthread_create(so); sacc_intr_establish((sacc_chipset_tag_t)so->pcictag_cookie, i ? IRQ_S1_CDVALID : IRQ_S0_CDVALID, IST_EDGE_RAISE, IPL_BIO, sapcic_intr, so); } } void sacpcic_attach_common(struct sacc_softc *psc, struct sacpcic_softc *sc, void *aux, void (* socket_setup_hook)(struct sapcic_socket *)) { int i; struct pcmciabus_attach_args paa; aprint_normal("\n"); sc->sc_pc.sc_iot = psc->sc_iot; sc->sc_ioh = psc->sc_ioh; mutex_init(&sc->sc_pc.sc_lock, MUTEX_DEFAULT, IPL_NONE); for (i = 0; i < 2; i++) { sc->sc_socket[i].sc = (struct sapcic_softc *)sc; sc->sc_socket[i].socket = i; sc->sc_socket[i].pcictag_cookie = psc; sc->sc_socket[i].pcictag = NULL; sc->sc_socket[i].event_thread = NULL; sc->sc_socket[i].event = 0; sc->sc_socket[i].laststatus = SAPCIC_CARD_INVALID; sc->sc_socket[i].shutdown = 0; socket_setup_hook(&sc->sc_socket[i]); paa.paa_busname = "pcmcia"; paa.pct = (pcmcia_chipset_tag_t)&sa11x0_pcmcia_functions; paa.pch = (pcmcia_chipset_handle_t)&sc->sc_socket[i]; sc->sc_socket[i].pcmcia = config_found_ia(sc->sc_pc.sc_dev, "pcmciabus", &paa, sacpcic_print); } config_interrupts(sc->sc_pc.sc_dev, sacpcic_config_deferred); } int sacpcic_print(void *aux, const char *name) { return UNCONF; } int sacpcic_read(struct sapcic_socket *so, int reg) { int cr, bit; struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; cr = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_SR); switch (reg) { case SAPCIC_STATUS_CARD: bit = (so->socket ? SR_S1_CARDDETECT : SR_S0_CARDDETECT) & cr; if (bit) return SAPCIC_CARD_INVALID; else return SAPCIC_CARD_VALID; case SAPCIC_STATUS_VS1: bit = (so->socket ? SR_S1_VS1 : SR_S0_VS1); return (bit & cr); case SAPCIC_STATUS_VS2: bit = (so->socket ? SR_S1_VS2 : SR_S0_VS2); return (bit & cr); case SAPCIC_STATUS_READY: bit = (so->socket ? SR_S1_READY : SR_S0_READY); return (bit & cr); default: panic("sacpcic_read: bogus register"); } } void sacpcic_write(struct sapcic_socket *so, int reg, int arg) { int s, oldvalue, newvalue, mask; struct sacpcic_softc *sc = (struct sacpcic_softc *)so->sc; s = splhigh(); oldvalue = bus_space_read_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR); switch (reg) { case SAPCIC_CONTROL_RESET: mask = so->socket ? CR_S1_RST : CR_S0_RST; newvalue = (oldvalue & ~mask) | (arg ? mask : 0); break; case SAPCIC_CONTROL_LINEENABLE: mask = so->socket ? CR_S1_FLT : CR_S0_FLT; newvalue = (oldvalue & ~mask) | (arg ? mask : 0); break; case SAPCIC_CONTROL_WAITENABLE: mask = so->socket ? CR_S1_PWAITEN : CR_S0_PWAITEN; newvalue = (oldvalue & ~mask) | (arg ? mask : 0); break; case SAPCIC_CONTROL_POWERSELECT: mask = so->socket ? CR_S1_PSE : CR_S0_PSE; newvalue = oldvalue & ~mask; switch (arg) { case SAPCIC_POWER_3V: break; case SAPCIC_POWER_5V: newvalue |= mask; break; default: splx(s); panic("sacpcic_write: bogus arg"); } break; default: splx(s); panic("sacpcic_write: bogus register"); } bus_space_write_4(sc->sc_pc.sc_iot, sc->sc_ioh, SACPCIC_CR, newvalue); splx(s); } void sacpcic_clear_intr(int arg) { /* sacc_intr_dispatch takes care of intr status */ } void * sacpcic_intr_establish(struct sapcic_socket *so, int level, int (*ih_fun)(void *), void *ih_arg) { int irq; irq = so->socket ? IRQ_S1_READY : IRQ_S0_READY; return sacc_intr_establish((sacc_chipset_tag_t)so->pcictag_cookie, irq, IST_EDGE_FALL, level, ih_fun, ih_arg); } void sacpcic_intr_disestablish(struct sapcic_socket *so, void *ih) { sacc_intr_disestablish((sacc_chipset_tag_t)so->pcictag_cookie, ih); }