/* $NetBSD: i82365.c,v 1.62 2001/02/21 21:39:55 jdolecek Exp $ */ #define PCICDEBUG /* * Copyright (c) 2000 Christian E. Hopps. All rights reserved. * Copyright (c) 1997 Marc Horowitz. All rights reserved. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Marc Horowitz. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" #ifdef PCICDEBUG int pcic_debug = 0; #define DPRINTF(arg) if (pcic_debug) printf arg; #else #define DPRINTF(arg) #endif /* * Individual drivers will allocate their own memory and io regions. Memory * regions must be a multiple of 4k, aligned on a 4k boundary. */ #define PCIC_MEM_ALIGN PCIC_MEM_PAGESIZE void pcic_attach_socket __P((struct pcic_handle *)); void pcic_attach_socket_finish __P((struct pcic_handle *)); int pcic_submatch __P((struct device *, struct cfdata *, void *)); int pcic_print __P((void *arg, const char *pnp)); int pcic_intr_socket __P((struct pcic_handle *)); void pcic_poll_intr __P((void *)); void pcic_attach_card __P((struct pcic_handle *)); void pcic_detach_card __P((struct pcic_handle *, int)); void pcic_deactivate_card __P((struct pcic_handle *)); void pcic_chip_do_mem_map __P((struct pcic_handle *, int)); void pcic_chip_do_io_map __P((struct pcic_handle *, int)); void pcic_create_event_thread __P((void *)); void pcic_event_thread __P((void *)); void pcic_queue_event __P((struct pcic_handle *, int)); void pcic_power __P((int, void *)); static void pcic_wait_ready __P((struct pcic_handle *)); static void pcic_delay __P((struct pcic_handle *, int, const char *)); static u_int8_t st_pcic_read __P((struct pcic_handle *, int)); static void st_pcic_write __P((struct pcic_handle *, int, u_int8_t)); int pcic_ident_ok(ident) int ident; { /* this is very empirical and heuristic */ if ((ident == 0) || (ident == 0xff) || (ident & PCIC_IDENT_ZERO)) return (0); if ((ident & PCIC_IDENT_IFTYPE_MASK) != PCIC_IDENT_IFTYPE_MEM_AND_IO) { #ifdef DIAGNOSTIC printf("pcic: does not support memory and I/O cards, " "ignored (ident=%0x)\n", ident); #endif return (0); } return (1); } int pcic_vendor(h) struct pcic_handle *h; { int reg; /* * the chip_id of the cirrus toggles between 11 and 00 after a write. * weird. */ pcic_write(h, PCIC_CIRRUS_CHIP_INFO, 0); reg = pcic_read(h, -1); if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == PCIC_CIRRUS_CHIP_INFO_CHIP_ID) { reg = pcic_read(h, -1); if ((reg & PCIC_CIRRUS_CHIP_INFO_CHIP_ID) == 0) { if (reg & PCIC_CIRRUS_CHIP_INFO_SLOTS) return (PCIC_VENDOR_CIRRUS_PD672X); else return (PCIC_VENDOR_CIRRUS_PD6710); } } reg = pcic_read(h, PCIC_IDENT); if ((reg & PCIC_IDENT_REV_MASK) == PCIC_IDENT_REV_I82365SLR0) return (PCIC_VENDOR_I82365SLR0); else return (PCIC_VENDOR_I82365SLR1); return (PCIC_VENDOR_UNKNOWN); } char * pcic_vendor_to_string(vendor) int vendor; { switch (vendor) { case PCIC_VENDOR_I82365SLR0: return ("Intel 82365SL Revision 0"); case PCIC_VENDOR_I82365SLR1: return ("Intel 82365SL Revision 1"); case PCIC_VENDOR_CIRRUS_PD6710: return ("Cirrus PD6710"); case PCIC_VENDOR_CIRRUS_PD672X: return ("Cirrus PD672X"); } return ("Unknown controller"); } void pcic_attach(sc) struct pcic_softc *sc; { int i, reg, chip, socket, intr; struct pcic_handle *h; DPRINTF(("pcic ident regs:")); lockinit(&sc->sc_pcic_lock, PWAIT, "pciclk", 0, 0); /* find and configure for the available sockets */ for (i = 0; i < PCIC_NSLOTS; i++) { h = &sc->handle[i]; chip = i / 2; socket = i % 2; h->ph_parent = (struct device *)sc; h->chip = chip; h->sock = chip * PCIC_CHIP_OFFSET + socket * PCIC_SOCKET_OFFSET; h->laststate = PCIC_LASTSTATE_EMPTY; /* initialize pcic_read and pcic_write functions */ h->ph_read = st_pcic_read; h->ph_write = st_pcic_write; h->ph_bus_t = sc->iot; h->ph_bus_h = sc->ioh; /* need to read vendor -- for cirrus to report no xtra chip */ if (socket == 0) h->vendor = (h+1)->vendor = pcic_vendor(h); /* * During the socket probe, read the ident register twice. * I don't understand why, but sometimes the clone chips * in hpcmips boxes read all-0s the first time. -- mycroft */ reg = pcic_read(h, PCIC_IDENT); reg = pcic_read(h, PCIC_IDENT); DPRINTF(("ident reg 0x%02x\n", reg)); if (pcic_ident_ok(reg)) h->flags = PCIC_FLAG_SOCKETP; else h->flags = 0; } for (i = 0; i < PCIC_NSLOTS; i++) { h = &sc->handle[i]; if (h->flags & PCIC_FLAG_SOCKETP) { SIMPLEQ_INIT(&h->events); /* disable interrupts -- for now */ pcic_write(h, PCIC_CSC_INTR, 0); intr = pcic_read(h, PCIC_INTR); DPRINTF(("intr was 0x%02x\n", intr)); intr &= ~(PCIC_INTR_RI_ENABLE | PCIC_INTR_ENABLE | PCIC_INTR_IRQ_MASK); pcic_write(h, PCIC_INTR, intr); (void) pcic_read(h, PCIC_CSC); } } /* print detected info */ for (i = 0; i < PCIC_NSLOTS; i += 2) { h = &sc->handle[i]; chip = i / 2; printf("%s: controller %d (%s) has ", sc->dev.dv_xname, chip, pcic_vendor_to_string(sc->handle[i].vendor)); if ((h->flags & PCIC_FLAG_SOCKETP) && ((h+1)->flags & PCIC_FLAG_SOCKETP)) printf("sockets A and B\n"); else if (h->flags & PCIC_FLAG_SOCKETP) printf("socket A only\n"); else if ((h+1)->flags & PCIC_FLAG_SOCKETP) printf("socket B only\n"); else printf("no sockets\n"); } } /* * attach the sockets before we know what interrupts we have */ void pcic_attach_sockets(sc) struct pcic_softc *sc; { int i; for (i = 0; i < PCIC_NSLOTS; i++) if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) pcic_attach_socket(&sc->handle[i]); } void pcic_power(why, arg) int why; void *arg; { struct pcic_handle *h = (struct pcic_handle *)arg; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; int reg; DPRINTF(("%s: power: why %d\n", h->ph_parent->dv_xname, why)); if (h->flags & PCIC_FLAG_SOCKETP) { if ((why == PWR_RESUME) && (pcic_read(h, PCIC_CSC_INTR) == 0)) { #ifdef PCICDEBUG char bitbuf[64]; #endif reg = PCIC_CSC_INTR_CD_ENABLE; if (sc->irq != -1) reg |= sc->irq << PCIC_CSC_INTR_IRQ_SHIFT; pcic_write(h, PCIC_CSC_INTR, reg); DPRINTF(("%s: CSC_INTR was zero; reset to %s\n", sc->dev.dv_xname, bitmask_snprintf(pcic_read(h, PCIC_CSC_INTR), PCIC_CSC_INTR_FORMAT, bitbuf, sizeof(bitbuf)))); } /* * check for card insertion or removal during suspend period. * XXX: the code can't cope with card swap (remove then insert). * how can we detect such situation? */ if (why == PWR_RESUME) (void)pcic_intr_socket(h); } } /* * attach a socket -- we don't know about irqs yet */ void pcic_attach_socket(h) struct pcic_handle *h; { struct pcmciabus_attach_args paa; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; /* initialize the rest of the handle */ h->shutdown = 0; h->memalloc = 0; h->ioalloc = 0; h->ih_irq = 0; /* now, config one pcmcia device per socket */ paa.paa_busname = "pcmcia"; paa.pct = (pcmcia_chipset_tag_t) sc->pct; paa.pch = (pcmcia_chipset_handle_t) h; paa.iobase = sc->iobase; paa.iosize = sc->iosize; h->pcmcia = config_found_sm(&sc->dev, &paa, pcic_print, pcic_submatch); if (h->pcmcia == NULL) { h->flags &= ~PCIC_FLAG_SOCKETP; return; } /* * queue creation of a kernel thread to handle insert/removal events. */ #ifdef DIAGNOSTIC if (h->event_thread != NULL) panic("pcic_attach_socket: event thread"); #endif config_pending_incr(); kthread_create(pcic_create_event_thread, h); } /* * now finish attaching the sockets, we are ready to allocate * interrupts */ void pcic_attach_sockets_finish(sc) struct pcic_softc *sc; { int i; for (i = 0; i < PCIC_NSLOTS; i++) if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) pcic_attach_socket_finish(&sc->handle[i]); } /* * finishing attaching the socket. Interrupts may now be on * if so expects the pcic interrupt to be blocked */ void pcic_attach_socket_finish(h) struct pcic_handle *h; { struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; int reg, intr; DPRINTF(("%s: attach finish socket %ld\n", h->ph_parent->dv_xname, (long) (h - &sc->handle[0]))); /* * Set up a powerhook to ensure it continues to interrupt on * card detect even after suspend. * (this works around a bug seen in suspend-to-disk on the * Sony VAIO Z505; on resume, the CSC_INTR state is not preserved). */ powerhook_establish(pcic_power, h); /* enable interrupts on card detect, poll for them if no irq avail */ reg = PCIC_CSC_INTR_CD_ENABLE; if (sc->irq == -1) { if (sc->poll_established == 0) { callout_init(&sc->poll_ch); callout_reset(&sc->poll_ch, hz / 2, pcic_poll_intr, sc); sc->poll_established = 1; } } else reg |= sc->irq << PCIC_CSC_INTR_IRQ_SHIFT; pcic_write(h, PCIC_CSC_INTR, reg); /* steer above mgmt interrupt to configured place */ intr = pcic_read(h, PCIC_INTR); intr &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); pcic_write(h, PCIC_INTR, intr); /* power down the socket */ pcic_write(h, PCIC_PWRCTL, 0); /* zero out the address windows */ pcic_write(h, PCIC_ADDRWIN_ENABLE, 0); /* clear possible card detect interrupt */ pcic_read(h, PCIC_CSC); DPRINTF(("%s: attach finish vendor 0x%02x\n", h->ph_parent->dv_xname, h->vendor)); /* unsleep the cirrus controller */ if ((h->vendor == PCIC_VENDOR_CIRRUS_PD6710) || (h->vendor == PCIC_VENDOR_CIRRUS_PD672X)) { reg = pcic_read(h, PCIC_CIRRUS_MISC_CTL_2); if (reg & PCIC_CIRRUS_MISC_CTL_2_SUSPEND) { DPRINTF(("%s: socket %02x was suspended\n", h->ph_parent->dv_xname, h->sock)); reg &= ~PCIC_CIRRUS_MISC_CTL_2_SUSPEND; pcic_write(h, PCIC_CIRRUS_MISC_CTL_2, reg); } } /* if there's a card there, then attach it. */ reg = pcic_read(h, PCIC_IF_STATUS); if ((reg & PCIC_IF_STATUS_CARDDETECT_MASK) == PCIC_IF_STATUS_CARDDETECT_PRESENT) { pcic_queue_event(h, PCIC_EVENT_INSERTION); h->laststate = PCIC_LASTSTATE_PRESENT; } else { h->laststate = PCIC_LASTSTATE_EMPTY; } } void pcic_create_event_thread(arg) void *arg; { struct pcic_handle *h = arg; const char *cs; switch (h->sock) { case C0SA: cs = "0,0"; break; case C0SB: cs = "0,1"; break; case C1SA: cs = "1,0"; break; case C1SB: cs = "1,1"; break; default: panic("pcic_create_event_thread: unknown pcic socket"); } if (kthread_create1(pcic_event_thread, h, &h->event_thread, "%s,%s", h->ph_parent->dv_xname, cs)) { printf("%s: unable to create event thread for sock 0x%02x\n", h->ph_parent->dv_xname, h->sock); panic("pcic_create_event_thread"); } } void pcic_event_thread(arg) void *arg; { struct pcic_handle *h = arg; struct pcic_event *pe; int s, first = 1; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; while (h->shutdown == 0) { /* * Serialize event processing on the PCIC. We may * sleep while we hold this lock. */ (void) lockmgr(&sc->sc_pcic_lock, LK_EXCLUSIVE, NULL); s = splhigh(); if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) { splx(s); if (first) { first = 0; config_pending_decr(); } /* * No events to process; release the PCIC lock. */ (void) lockmgr(&sc->sc_pcic_lock, LK_RELEASE, NULL); (void) tsleep(&h->events, PWAIT, "pcicev", 0); continue; } else { splx(s); /* sleep .25s to be enqueued chatterling interrupts */ (void) tsleep((caddr_t)pcic_event_thread, PWAIT, "pcicss", hz/4); } s = splhigh(); SIMPLEQ_REMOVE_HEAD(&h->events, pe, pe_q); splx(s); switch (pe->pe_type) { case PCIC_EVENT_INSERTION: s = splhigh(); while (1) { struct pcic_event *pe1, *pe2; if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL) break; if (pe1->pe_type != PCIC_EVENT_REMOVAL) break; if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL) break; if (pe2->pe_type == PCIC_EVENT_INSERTION) { SIMPLEQ_REMOVE_HEAD(&h->events, pe1, pe_q); free(pe1, M_TEMP); SIMPLEQ_REMOVE_HEAD(&h->events, pe2, pe_q); free(pe2, M_TEMP); } } splx(s); DPRINTF(("%s: insertion event\n", h->ph_parent->dv_xname)); pcic_attach_card(h); break; case PCIC_EVENT_REMOVAL: s = splhigh(); while (1) { struct pcic_event *pe1, *pe2; if ((pe1 = SIMPLEQ_FIRST(&h->events)) == NULL) break; if (pe1->pe_type != PCIC_EVENT_INSERTION) break; if ((pe2 = SIMPLEQ_NEXT(pe1, pe_q)) == NULL) break; if (pe2->pe_type == PCIC_EVENT_REMOVAL) { SIMPLEQ_REMOVE_HEAD(&h->events, pe1, pe_q); free(pe1, M_TEMP); SIMPLEQ_REMOVE_HEAD(&h->events, pe2, pe_q); free(pe2, M_TEMP); } } splx(s); DPRINTF(("%s: removal event\n", h->ph_parent->dv_xname)); pcic_detach_card(h, DETACH_FORCE); break; default: panic("pcic_event_thread: unknown event %d", pe->pe_type); } free(pe, M_TEMP); (void) lockmgr(&sc->sc_pcic_lock, LK_RELEASE, NULL); } h->event_thread = NULL; /* In case parent is waiting for us to exit. */ wakeup(sc); kthread_exit(0); } int pcic_submatch(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct pcmciabus_attach_args *paa = aux; struct pcic_handle *h = (struct pcic_handle *) paa->pch; switch (h->sock) { case C0SA: if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != PCMCIABUSCF_CONTROLLER_DEFAULT && cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0) return 0; if (cf->cf_loc[PCMCIABUSCF_SOCKET] != PCMCIABUSCF_SOCKET_DEFAULT && cf->cf_loc[PCMCIABUSCF_SOCKET] != 0) return 0; break; case C0SB: if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != PCMCIABUSCF_CONTROLLER_DEFAULT && cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0) return 0; if (cf->cf_loc[PCMCIABUSCF_SOCKET] != PCMCIABUSCF_SOCKET_DEFAULT && cf->cf_loc[PCMCIABUSCF_SOCKET] != 1) return 0; break; case C1SA: if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != PCMCIABUSCF_CONTROLLER_DEFAULT && cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1) return 0; if (cf->cf_loc[PCMCIABUSCF_SOCKET] != PCMCIABUSCF_SOCKET_DEFAULT && cf->cf_loc[PCMCIABUSCF_SOCKET] != 0) return 0; break; case C1SB: if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != PCMCIABUSCF_CONTROLLER_DEFAULT && cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1) return 0; if (cf->cf_loc[PCMCIABUSCF_SOCKET] != PCMCIABUSCF_SOCKET_DEFAULT && cf->cf_loc[PCMCIABUSCF_SOCKET] != 1) return 0; break; default: panic("unknown pcic socket"); } return ((*cf->cf_attach->ca_match)(parent, cf, aux)); } int pcic_print(arg, pnp) void *arg; const char *pnp; { struct pcmciabus_attach_args *paa = arg; struct pcic_handle *h = (struct pcic_handle *) paa->pch; /* Only "pcmcia"s can attach to "pcic"s... easy. */ if (pnp) printf("pcmcia at %s", pnp); switch (h->sock) { case C0SA: printf(" controller 0 socket 0"); break; case C0SB: printf(" controller 0 socket 1"); break; case C1SA: printf(" controller 1 socket 0"); break; case C1SB: printf(" controller 1 socket 1"); break; default: panic("unknown pcic socket"); } return (UNCONF); } void pcic_poll_intr(arg) void *arg; { struct pcic_softc *sc; int i, s; s = spltty(); sc = arg; for (i = 0; i < PCIC_NSLOTS; i++) if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) (void)pcic_intr_socket(&sc->handle[i]); callout_reset(&sc->poll_ch, hz / 2, pcic_poll_intr, sc); splx(s); } int pcic_intr(arg) void *arg; { struct pcic_softc *sc = arg; int i, ret = 0; DPRINTF(("%s: intr\n", sc->dev.dv_xname)); for (i = 0; i < PCIC_NSLOTS; i++) if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) ret += pcic_intr_socket(&sc->handle[i]); return (ret ? 1 : 0); } int pcic_intr_socket(h) struct pcic_handle *h; { int cscreg; cscreg = pcic_read(h, PCIC_CSC); cscreg &= (PCIC_CSC_GPI | PCIC_CSC_CD | PCIC_CSC_READY | PCIC_CSC_BATTWARN | PCIC_CSC_BATTDEAD); if (cscreg & PCIC_CSC_GPI) { DPRINTF(("%s: %02x GPI\n", h->ph_parent->dv_xname, h->sock)); } if (cscreg & PCIC_CSC_CD) { int statreg; statreg = pcic_read(h, PCIC_IF_STATUS); DPRINTF(("%s: %02x CD %x\n", h->ph_parent->dv_xname, h->sock, statreg)); if ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) == PCIC_IF_STATUS_CARDDETECT_PRESENT) { if (h->laststate != PCIC_LASTSTATE_PRESENT) { DPRINTF(("%s: enqueing INSERTION event\n", h->ph_parent->dv_xname)); pcic_queue_event(h, PCIC_EVENT_INSERTION); } h->laststate = PCIC_LASTSTATE_PRESENT; } else { if (h->laststate == PCIC_LASTSTATE_PRESENT) { /* Deactivate the card now. */ DPRINTF(("%s: deactivating card\n", h->ph_parent->dv_xname)); pcic_deactivate_card(h); DPRINTF(("%s: enqueing REMOVAL event\n", h->ph_parent->dv_xname)); pcic_queue_event(h, PCIC_EVENT_REMOVAL); } h->laststate = ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) == 0) ? PCIC_LASTSTATE_EMPTY : PCIC_LASTSTATE_HALF; } } if (cscreg & PCIC_CSC_READY) { DPRINTF(("%s: %02x READY\n", h->ph_parent->dv_xname, h->sock)); /* shouldn't happen */ } if (cscreg & PCIC_CSC_BATTWARN) { DPRINTF(("%s: %02x BATTWARN\n", h->ph_parent->dv_xname, h->sock)); } if (cscreg & PCIC_CSC_BATTDEAD) { DPRINTF(("%s: %02x BATTDEAD\n", h->ph_parent->dv_xname, h->sock)); } return (cscreg ? 1 : 0); } void pcic_queue_event(h, event) struct pcic_handle *h; int event; { struct pcic_event *pe; int s; pe = malloc(sizeof(*pe), M_TEMP, M_NOWAIT); if (pe == NULL) panic("pcic_queue_event: can't allocate event"); pe->pe_type = event; s = splhigh(); SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q); splx(s); wakeup(&h->events); } void pcic_attach_card(h) struct pcic_handle *h; { if (!(h->flags & PCIC_FLAG_CARDP)) { /* call the MI attach function */ pcmcia_card_attach(h->pcmcia); h->flags |= PCIC_FLAG_CARDP; } else { DPRINTF(("pcic_attach_card: already attached")); } } void pcic_detach_card(h, flags) struct pcic_handle *h; int flags; /* DETACH_* */ { if (h->flags & PCIC_FLAG_CARDP) { h->flags &= ~PCIC_FLAG_CARDP; /* call the MI detach function */ pcmcia_card_detach(h->pcmcia, flags); } else { DPRINTF(("pcic_detach_card: already detached")); } } void pcic_deactivate_card(h) struct pcic_handle *h; { /* call the MI deactivate function */ pcmcia_card_deactivate(h->pcmcia); /* power down the socket */ pcic_write(h, PCIC_PWRCTL, 0); /* reset the socket */ pcic_write(h, PCIC_INTR, 0); } int pcic_chip_mem_alloc(pch, size, pcmhp) pcmcia_chipset_handle_t pch; bus_size_t size; struct pcmcia_mem_handle *pcmhp; { struct pcic_handle *h = (struct pcic_handle *) pch; bus_space_handle_t memh; bus_addr_t addr; bus_size_t sizepg; int i, mask, mhandle; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; /* out of sc->memh, allocate as many pages as necessary */ /* convert size to PCIC pages */ sizepg = (size + (PCIC_MEM_ALIGN - 1)) / PCIC_MEM_ALIGN; if (sizepg > PCIC_MAX_MEM_PAGES) return (1); mask = (1 << sizepg) - 1; addr = 0; /* XXX gcc -Wuninitialized */ mhandle = 0; /* XXX gcc -Wuninitialized */ for (i = 0; i <= PCIC_MAX_MEM_PAGES - sizepg; i++) { if ((sc->subregionmask & (mask << i)) == (mask << i)) { if (bus_space_subregion(sc->memt, sc->memh, i * PCIC_MEM_PAGESIZE, sizepg * PCIC_MEM_PAGESIZE, &memh)) return (1); mhandle = mask << i; addr = sc->membase + (i * PCIC_MEM_PAGESIZE); sc->subregionmask &= ~(mhandle); pcmhp->memt = sc->memt; pcmhp->memh = memh; pcmhp->addr = addr; pcmhp->size = size; pcmhp->mhandle = mhandle; pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE; return (0); } } return (1); } void pcic_chip_mem_free(pch, pcmhp) pcmcia_chipset_handle_t pch; struct pcmcia_mem_handle *pcmhp; { struct pcic_handle *h = (struct pcic_handle *) pch; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; sc->subregionmask |= pcmhp->mhandle; } static const struct mem_map_index_st { int sysmem_start_lsb; int sysmem_start_msb; int sysmem_stop_lsb; int sysmem_stop_msb; int cardmem_lsb; int cardmem_msb; int memenable; } mem_map_index[] = { { PCIC_SYSMEM_ADDR0_START_LSB, PCIC_SYSMEM_ADDR0_START_MSB, PCIC_SYSMEM_ADDR0_STOP_LSB, PCIC_SYSMEM_ADDR0_STOP_MSB, PCIC_CARDMEM_ADDR0_LSB, PCIC_CARDMEM_ADDR0_MSB, PCIC_ADDRWIN_ENABLE_MEM0, }, { PCIC_SYSMEM_ADDR1_START_LSB, PCIC_SYSMEM_ADDR1_START_MSB, PCIC_SYSMEM_ADDR1_STOP_LSB, PCIC_SYSMEM_ADDR1_STOP_MSB, PCIC_CARDMEM_ADDR1_LSB, PCIC_CARDMEM_ADDR1_MSB, PCIC_ADDRWIN_ENABLE_MEM1, }, { PCIC_SYSMEM_ADDR2_START_LSB, PCIC_SYSMEM_ADDR2_START_MSB, PCIC_SYSMEM_ADDR2_STOP_LSB, PCIC_SYSMEM_ADDR2_STOP_MSB, PCIC_CARDMEM_ADDR2_LSB, PCIC_CARDMEM_ADDR2_MSB, PCIC_ADDRWIN_ENABLE_MEM2, }, { PCIC_SYSMEM_ADDR3_START_LSB, PCIC_SYSMEM_ADDR3_START_MSB, PCIC_SYSMEM_ADDR3_STOP_LSB, PCIC_SYSMEM_ADDR3_STOP_MSB, PCIC_CARDMEM_ADDR3_LSB, PCIC_CARDMEM_ADDR3_MSB, PCIC_ADDRWIN_ENABLE_MEM3, }, { PCIC_SYSMEM_ADDR4_START_LSB, PCIC_SYSMEM_ADDR4_START_MSB, PCIC_SYSMEM_ADDR4_STOP_LSB, PCIC_SYSMEM_ADDR4_STOP_MSB, PCIC_CARDMEM_ADDR4_LSB, PCIC_CARDMEM_ADDR4_MSB, PCIC_ADDRWIN_ENABLE_MEM4, }, }; void pcic_chip_do_mem_map(h, win) struct pcic_handle *h; int win; { int reg; int kind = h->mem[win].kind & ~PCMCIA_WIDTH_MEM_MASK; int mem8 = (h->mem[win].kind & PCMCIA_WIDTH_MEM_MASK) == PCMCIA_WIDTH_MEM8 || (kind == PCMCIA_MEM_ATTR); DPRINTF(("mem8 %d\n", mem8)); /* mem8 = 1; */ pcic_write(h, mem_map_index[win].sysmem_start_lsb, (h->mem[win].addr >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff); pcic_write(h, mem_map_index[win].sysmem_start_msb, ((h->mem[win].addr >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) & PCIC_SYSMEM_ADDRX_START_MSB_ADDR_MASK) | (mem8 ? 0 : PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT)); pcic_write(h, mem_map_index[win].sysmem_stop_lsb, ((h->mem[win].addr + h->mem[win].size) >> PCIC_SYSMEM_ADDRX_SHIFT) & 0xff); pcic_write(h, mem_map_index[win].sysmem_stop_msb, (((h->mem[win].addr + h->mem[win].size) >> (PCIC_SYSMEM_ADDRX_SHIFT + 8)) & PCIC_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK) | PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2); pcic_write(h, mem_map_index[win].cardmem_lsb, (h->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff); pcic_write(h, mem_map_index[win].cardmem_msb, ((h->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) & PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) | ((kind == PCMCIA_MEM_ATTR) ? PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0)); reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); reg |= (mem_map_index[win].memenable | PCIC_ADDRWIN_ENABLE_MEMCS16); pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); delay(100); #ifdef PCICDEBUG { int r1, r2, r3, r4, r5, r6; r1 = pcic_read(h, mem_map_index[win].sysmem_start_msb); r2 = pcic_read(h, mem_map_index[win].sysmem_start_lsb); r3 = pcic_read(h, mem_map_index[win].sysmem_stop_msb); r4 = pcic_read(h, mem_map_index[win].sysmem_stop_lsb); r5 = pcic_read(h, mem_map_index[win].cardmem_msb); r6 = pcic_read(h, mem_map_index[win].cardmem_lsb); DPRINTF(("pcic_chip_do_mem_map window %d: %02x%02x %02x%02x " "%02x%02x\n", win, r1, r2, r3, r4, r5, r6)); } #endif } int pcic_chip_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp) pcmcia_chipset_handle_t pch; int kind; bus_addr_t card_addr; bus_size_t size; struct pcmcia_mem_handle *pcmhp; bus_addr_t *offsetp; int *windowp; { struct pcic_handle *h = (struct pcic_handle *) pch; bus_addr_t busaddr; long card_offset; int i, win; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; win = -1; for (i = 0; i < (sizeof(mem_map_index) / sizeof(mem_map_index[0])); i++) { if ((h->memalloc & (1 << i)) == 0) { win = i; h->memalloc |= (1 << i); break; } } if (win == -1) return (1); *windowp = win; /* XXX this is pretty gross */ if (sc->memt != pcmhp->memt) panic("pcic_chip_mem_map memt is bogus"); busaddr = pcmhp->addr; /* * compute the address offset to the pcmcia address space for the * pcic. this is intentionally signed. The masks and shifts below * will cause TRT to happen in the pcic registers. Deal with making * sure the address is aligned, and return the alignment offset. */ *offsetp = card_addr % PCIC_MEM_ALIGN; card_addr -= *offsetp; DPRINTF(("pcic_chip_mem_map window %d bus %lx+%lx+%lx at card addr " "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size, (u_long) card_addr)); /* * include the offset in the size, and decrement size by one, since * the hw wants start/stop */ size += *offsetp - 1; card_offset = (((long) card_addr) - ((long) busaddr)); h->mem[win].addr = busaddr; h->mem[win].size = size; h->mem[win].offset = card_offset; h->mem[win].kind = kind; pcic_chip_do_mem_map(h, win); return (0); } void pcic_chip_mem_unmap(pch, window) pcmcia_chipset_handle_t pch; int window; { struct pcic_handle *h = (struct pcic_handle *) pch; int reg; if (window >= (sizeof(mem_map_index) / sizeof(mem_map_index[0]))) panic("pcic_chip_mem_unmap: window out of range"); reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); reg &= ~mem_map_index[window].memenable; pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); h->memalloc &= ~(1 << window); } int pcic_chip_io_alloc(pch, start, size, align, pcihp) pcmcia_chipset_handle_t pch; bus_addr_t start; bus_size_t size; bus_size_t align; struct pcmcia_io_handle *pcihp; { struct pcic_handle *h = (struct pcic_handle *) pch; bus_space_tag_t iot; bus_space_handle_t ioh; bus_addr_t ioaddr; int flags = 0; struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; /* * Allocate some arbitrary I/O space. */ iot = sc->iot; if (start) { ioaddr = start; if (bus_space_map(iot, start, size, 0, &ioh)) return (1); DPRINTF(("pcic_chip_io_alloc map port %lx+%lx\n", (u_long) ioaddr, (u_long) size)); } else { flags |= PCMCIA_IO_ALLOCATED; if (bus_space_alloc(iot, sc->iobase, sc->iobase + sc->iosize, size, align, 0, 0, &ioaddr, &ioh)) return (1); DPRINTF(("pcic_chip_io_alloc alloc port %lx+%lx\n", (u_long) ioaddr, (u_long) size)); } pcihp->iot = iot; pcihp->ioh = ioh; pcihp->addr = ioaddr; pcihp->size = size; pcihp->flags = flags; return (0); } void pcic_chip_io_free(pch, pcihp) pcmcia_chipset_handle_t pch; struct pcmcia_io_handle *pcihp; { bus_space_tag_t iot = pcihp->iot; bus_space_handle_t ioh = pcihp->ioh; bus_size_t size = pcihp->size; if (pcihp->flags & PCMCIA_IO_ALLOCATED) bus_space_free(iot, ioh, size); else bus_space_unmap(iot, ioh, size); } static const struct io_map_index_st { int start_lsb; int start_msb; int stop_lsb; int stop_msb; int ioenable; int ioctlmask; int ioctlbits[3]; /* indexed by PCMCIA_WIDTH_* */ } io_map_index[] = { { PCIC_IOADDR0_START_LSB, PCIC_IOADDR0_START_MSB, PCIC_IOADDR0_STOP_LSB, PCIC_IOADDR0_STOP_MSB, PCIC_ADDRWIN_ENABLE_IO0, PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT | PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK, { PCIC_IOCTL_IO0_IOCS16SRC_CARD, PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | PCIC_IOCTL_IO0_DATASIZE_8BIT, PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE | PCIC_IOCTL_IO0_DATASIZE_16BIT, }, }, { PCIC_IOADDR1_START_LSB, PCIC_IOADDR1_START_MSB, PCIC_IOADDR1_STOP_LSB, PCIC_IOADDR1_STOP_MSB, PCIC_ADDRWIN_ENABLE_IO1, PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT | PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK, { PCIC_IOCTL_IO1_IOCS16SRC_CARD, PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE | PCIC_IOCTL_IO1_DATASIZE_8BIT, PCIC_IOCTL_IO1_IOCS16SRC_DATASIZE | PCIC_IOCTL_IO1_DATASIZE_16BIT, }, }, }; void pcic_chip_do_io_map(h, win) struct pcic_handle *h; int win; { int reg; DPRINTF(("pcic_chip_do_io_map win %d addr %lx size %lx width %d\n", win, (long) h->io[win].addr, (long) h->io[win].size, h->io[win].width * 8)); pcic_write(h, io_map_index[win].start_lsb, h->io[win].addr & 0xff); pcic_write(h, io_map_index[win].start_msb, (h->io[win].addr >> 8) & 0xff); pcic_write(h, io_map_index[win].stop_lsb, (h->io[win].addr + h->io[win].size - 1) & 0xff); pcic_write(h, io_map_index[win].stop_msb, ((h->io[win].addr + h->io[win].size - 1) >> 8) & 0xff); reg = pcic_read(h, PCIC_IOCTL); reg &= ~io_map_index[win].ioctlmask; reg |= io_map_index[win].ioctlbits[h->io[win].width]; pcic_write(h, PCIC_IOCTL, reg); reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); reg |= io_map_index[win].ioenable; pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); } int pcic_chip_io_map(pch, width, offset, size, pcihp, windowp) pcmcia_chipset_handle_t pch; int width; bus_addr_t offset; bus_size_t size; struct pcmcia_io_handle *pcihp; int *windowp; { struct pcic_handle *h = (struct pcic_handle *) pch; bus_addr_t ioaddr = pcihp->addr + offset; int i, win; #ifdef PCICDEBUG static char *width_names[] = { "auto", "io8", "io16" }; #endif struct pcic_softc *sc = (struct pcic_softc *)h->ph_parent; /* XXX Sanity check offset/size. */ win = -1; for (i = 0; i < (sizeof(io_map_index) / sizeof(io_map_index[0])); i++) { if ((h->ioalloc & (1 << i)) == 0) { win = i; h->ioalloc |= (1 << i); break; } } if (win == -1) return (1); *windowp = win; /* XXX this is pretty gross */ if (sc->iot != pcihp->iot) panic("pcic_chip_io_map iot is bogus"); DPRINTF(("pcic_chip_io_map window %d %s port %lx+%lx\n", win, width_names[width], (u_long) ioaddr, (u_long) size)); /* XXX wtf is this doing here? */ printf(" port 0x%lx", (u_long) ioaddr); if (size > 1) printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1); h->io[win].addr = ioaddr; h->io[win].size = size; h->io[win].width = width; pcic_chip_do_io_map(h, win); return (0); } void pcic_chip_io_unmap(pch, window) pcmcia_chipset_handle_t pch; int window; { struct pcic_handle *h = (struct pcic_handle *) pch; int reg; if (window >= (sizeof(io_map_index) / sizeof(io_map_index[0]))) panic("pcic_chip_io_unmap: window out of range"); reg = pcic_read(h, PCIC_ADDRWIN_ENABLE); reg &= ~io_map_index[window].ioenable; pcic_write(h, PCIC_ADDRWIN_ENABLE, reg); h->ioalloc &= ~(1 << window); } static void pcic_wait_ready(h) struct pcic_handle *h; { int i; /* wait an initial 10ms for quick cards */ if (pcic_read(h, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) return; pcic_delay(h, 10, "pccwr0"); for (i = 0; i < 50; i++) { if (pcic_read(h, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) return; /* wait .1s (100ms) each iteration now */ pcic_delay(h, 100, "pccwr1"); #ifdef PCICDEBUG if (pcic_debug) { if ((i > 20) && (i % 100 == 99)) printf("."); } #endif } #ifdef DIAGNOSTIC printf("pcic_wait_ready: ready never happened, status = %02x\n", pcic_read(h, PCIC_IF_STATUS)); #endif } /* * Perform long (msec order) delay. */ static void pcic_delay(h, timo, wmesg) struct pcic_handle *h; int timo; /* in ms. must not be zero */ const char *wmesg; { #ifdef DIAGNOSTIC if (timo <= 0) { printf("called with timeout %d\n", timo); panic("pcic_delay"); } if (curproc == NULL) { printf("called in interrupt context\n"); panic("pcic_delay"); } if (h->event_thread == NULL) { printf("no event thread\n"); panic("pcic_delay"); } #endif DPRINTF(("pcic_delay: \"%s\" %p, sleep %d ms\n", wmesg, h->event_thread, timo)); tsleep(pcic_delay, PWAIT, wmesg, roundup(timo * hz, 1000) / 1000); } void pcic_chip_socket_enable(pch) pcmcia_chipset_handle_t pch; { struct pcic_handle *h = (struct pcic_handle *) pch; int cardtype, win, intr, pwr; #if defined(DIAGNOSTIC) || defined(PCICDEBUG) int reg; #endif #ifdef DIAGNOSTIC if (h->flags & PCIC_FLAG_ENABLED) printf("pcic_chip_socket_enable: enabling twice\n"); #endif /* disable interrupts */ intr = pcic_read(h, PCIC_INTR); intr &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); pcic_write(h, PCIC_INTR, intr); /* power down the socket to reset it, clear the card reset pin */ pwr = 0; pcic_write(h, PCIC_PWRCTL, pwr); /* * wait 300ms until power fails (Tpf). Then, wait 100ms since * we are changing Vcc (Toff). */ pcic_delay(h, 300 + 100, "pccen0"); #ifdef VADEM_POWER_HACK bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x0e); bus_space_write_1(sc->iot, sc->ioh, PCIC_REG_INDEX, 0x37); printf("prcr = %02x\n", pcic_read(h, 0x02)); printf("cvsr = %02x\n", pcic_read(h, 0x2f)); printf("DANGER WILL ROBINSON! Changing voltage select!\n"); pcic_write(h, 0x2f, pcic_read(h, 0x2f) & ~0x03); printf("cvsr = %02x\n", pcic_read(h, 0x2f)); #endif /* power up the socket */ pwr |= PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_PWR_ENABLE | PCIC_PWRCTL_VPP1_VCC; pcic_write(h, PCIC_PWRCTL, pwr); /* * wait 100ms until power raise (Tpr) and 20ms to become * stable (Tsu(Vcc)). * * some machines require some more time to be settled * (300ms is added here). */ pcic_delay(h, 100 + 20 + 300, "pccen1"); pwr |= PCIC_PWRCTL_OE; pcic_write(h, PCIC_PWRCTL, pwr); /* now make sure we have reset# active */ intr &= ~PCIC_INTR_RESET; pcic_write(h, PCIC_INTR, intr); pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_OE | PCIC_PWRCTL_PWR_ENABLE | PCIC_PWRCTL_VPP1_VCC); /* * hold RESET at least 10us, this is a min allow for slop in * delay routine. */ delay(20); /* clear the reset flag */ intr |= PCIC_INTR_RESET; pcic_write(h, PCIC_INTR, intr); /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ pcic_delay(h, 20, "pccen2"); #ifdef DIAGNOSTIC reg = pcic_read(h, PCIC_IF_STATUS); if (!(reg & PCIC_IF_STATUS_POWERACTIVE)) { printf("pcic_chip_socket_enable: status %x\n", reg); } #endif /* wait for the chip to finish initializing */ pcic_wait_ready(h); /* zero out the address windows */ pcic_write(h, PCIC_ADDRWIN_ENABLE, 0); /* set the card type and enable the interrupt */ cardtype = pcmcia_card_gettype(h->pcmcia); intr |= ((cardtype == PCMCIA_IFTYPE_IO) ? PCIC_INTR_CARDTYPE_IO : PCIC_INTR_CARDTYPE_MEM); pcic_write(h, PCIC_INTR, intr); DPRINTF(("%s: pcic_chip_socket_enable %02x cardtype %s %02x\n", h->ph_parent->dv_xname, h->sock, ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), reg)); /* reinstall all the memory and io mappings */ for (win = 0; win < PCIC_MEM_WINS; win++) if (h->memalloc & (1 << win)) pcic_chip_do_mem_map(h, win); for (win = 0; win < PCIC_IO_WINS; win++) if (h->ioalloc & (1 << win)) pcic_chip_do_io_map(h, win); h->flags |= PCIC_FLAG_ENABLED; /* finally enable the interrupt */ intr |= h->ih_irq; pcic_write(h, PCIC_INTR, intr); } void pcic_chip_socket_disable(pch) pcmcia_chipset_handle_t pch; { struct pcic_handle *h = (struct pcic_handle *) pch; int intr; DPRINTF(("pcic_chip_socket_disable\n")); /* disable interrupts */ intr = pcic_read(h, PCIC_INTR); intr &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); pcic_write(h, PCIC_INTR, intr); /* power down the socket */ pcic_write(h, PCIC_PWRCTL, 0); /* zero out the address windows */ pcic_write(h, PCIC_ADDRWIN_ENABLE, 0); h->flags &= ~PCIC_FLAG_ENABLED; } static u_int8_t st_pcic_read(h, idx) struct pcic_handle *h; int idx; { if (idx != -1) bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX, h->sock + idx); return (bus_space_read_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA)); } static void st_pcic_write(h, idx, data) struct pcic_handle *h; int idx; u_int8_t data; { if (idx != -1) bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_INDEX, h->sock + idx); bus_space_write_1(h->ph_bus_t, h->ph_bus_h, PCIC_REG_DATA, data); }