/* $NetBSD: i82365.c,v 1.25 1999/10/15 06:07:27 haya Exp $ */ /* $FreeBSD$ */ /* * 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 /* We shouldn't need to include the following, but sadly we do for now */ /* XXX */ #include #include #include #include #include "card_if.h" #define PCICDEBUG #ifdef PCICDEBUG int pcic_debug = 1; #define DPRINTF(arg) if (pcic_debug) printf arg; else ; #define DEVPRINTF(arg) if (pcic_debug) device_printf arg; else ; #else #define DPRINTF(arg) #define DEVPRINTF(arg) #endif #define VERBOSE(arg) if (bootverbose) printf arg; else ; #define DETACH_FORCE 0x1 #define PCIC_VENDOR_UNKNOWN 0 #define PCIC_VENDOR_I82365SLR0 1 #define PCIC_VENDOR_I82365SLR1 2 #define PCIC_VENDOR_CIRRUS_PD6710 3 #define PCIC_VENDOR_CIRRUS_PD672X 4 /* * 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 static void pcic_init_socket(struct pcic_handle *); static void pcic_intr_socket(struct pcic_handle *); static int pcic_activate(device_t dev); static void pcic_intr(void *arg); static void pcic_attach_card(struct pcic_handle *); static void pcic_detach_card(struct pcic_handle *, int); static void pcic_chip_do_mem_map(struct pcic_handle *, int); static void pcic_chip_do_io_map(struct pcic_handle *, int); void pcic_create_event_thread(void *); void pcic_event_thread(void *); void pcic_queue_event(struct pcic_handle *, int); static void pcic_wait_ready(struct pcic_handle *); static u_int8_t st_pcic_read(struct pcic_handle *, int); static void st_pcic_write(struct pcic_handle *, int, u_int8_t); /* XXX Should really be dynamic XXX */ static struct pcic_handle *handles[20]; static struct pcic_handle **lasthandle = handles; static struct pcic_handle * pcic_get_handle(device_t dev, device_t child) { if (dev == child) return NULL; while (child && device_get_parent(child) != dev) child = device_get_parent(child); if (child == NULL) return NULL; return ((struct pcic_handle *) device_get_ivars(child)); } int pcic_ident_ok(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(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(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"); } static int pcic_activate(device_t dev) { struct pcic_softc *sc = PCIC_SOFTC(dev); int err; sc->port_rid = 0; sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid, 0, ~0, PCIC_IOSIZE, RF_ACTIVE); if (!sc->port_res) { device_printf(dev, "Cannot allocate ioport\n"); return ENOMEM; } sc->irq_rid = 0; sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid, 0, ~0, 1, RF_ACTIVE); if (sc->irq_res) { sc->irq = rman_get_start(sc->irq_res); if ((err = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC, pcic_intr, sc, &sc->intrhand)) != 0) { device_printf(dev, "Cannot setup intr\n"); pcic_deactivate(dev); return err; } } else { printf("Polling not supported\n"); /* XXX Do polling */ return (ENXIO); } /* XXX This might not be needed in future, get it directly from * XXX parent */ sc->mem_rid = 0; sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid, 0, ~0, 1 << 13, RF_ACTIVE); if (sc->mem_res == NULL) { device_printf(dev, "Cannot allocate mem\n"); pcic_deactivate(dev); return ENOMEM; } sc->iot = rman_get_bustag(sc->port_res); sc->ioh = rman_get_bushandle(sc->port_res);; sc->memt = rman_get_bustag(sc->mem_res); sc->memh = rman_get_bushandle(sc->mem_res);; return (0); } void pcic_deactivate(device_t dev) { struct pcic_softc *sc = PCIC_SOFTC(dev); if (sc->intrhand) bus_teardown_intr(dev, sc->irq_res, sc->intrhand); sc->intrhand = 0; if (sc->port_res) bus_release_resource(dev, SYS_RES_IOPORT, sc->port_rid, sc->port_res); sc->port_res = 0; if (sc->irq_res) bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res); sc->irq_res = 0; if (sc->mem_res) bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem_res); sc->mem_res = 0; return; } int pcic_attach(device_t dev) { struct pcic_softc *sc = PCIC_SOFTC(dev); struct pcic_handle *h; int vendor, count, i, reg, error; sc->dev = dev; /* Activate our resources */ if ((error = pcic_activate(dev)) != 0) { printf("pcic_attach (active) returns %d\n", error); return error; } /* now check for each controller/socket */ /* * this could be done with a loop, but it would violate the * abstraction... --- unknown * so? I don't see the abstraction... --imp */ count = 0; VERBOSE(("pcic ident regs:")); sc->handle[0].sc = sc; sc->handle[0].sock = C0SA; /* initialise pcic_read and pcic_write functions */ sc->handle[0].ph_read = st_pcic_read; sc->handle[0].ph_write = st_pcic_write; sc->handle[0].ph_bus_t = sc->iot; sc->handle[0].ph_bus_h = sc->ioh; if (pcic_ident_ok(reg = pcic_read(&sc->handle[0], PCIC_IDENT))) { sc->handle[0].flags = PCIC_FLAG_SOCKETP; count++; } else { sc->handle[0].flags = 0; } sc->handle[0].laststate = PCIC_LASTSTATE_EMPTY; VERBOSE((" 0x%02x", reg)); sc->handle[1].sc = sc; sc->handle[1].sock = C0SB; /* initialise pcic_read and pcic_write functions */ sc->handle[1].ph_read = st_pcic_read; sc->handle[1].ph_write = st_pcic_write; sc->handle[1].ph_bus_t = sc->iot; sc->handle[1].ph_bus_h = sc->ioh; if (pcic_ident_ok(reg = pcic_read(&sc->handle[1], PCIC_IDENT))) { sc->handle[1].flags = PCIC_FLAG_SOCKETP; count++; } else { sc->handle[1].flags = 0; } sc->handle[1].laststate = PCIC_LASTSTATE_EMPTY; VERBOSE((" 0x%02x", reg)); /* * The CL-PD6729 has only one controller and always returns 0 * if you try to read from the second one. Maybe pcic_ident_ok * shouldn't accept 0? */ sc->handle[2].sc = sc; sc->handle[2].sock = C1SA; /* initialise pcic_read and pcic_write functions */ sc->handle[2].ph_read = st_pcic_read; sc->handle[2].ph_write = st_pcic_write; sc->handle[2].ph_bus_t = sc->iot; sc->handle[2].ph_bus_h = sc->ioh; if (pcic_vendor(&sc->handle[0]) != PCIC_VENDOR_CIRRUS_PD672X || pcic_read(&sc->handle[2], PCIC_IDENT) != 0) { if (pcic_ident_ok(reg = pcic_read(&sc->handle[2], PCIC_IDENT))) { sc->handle[2].flags = PCIC_FLAG_SOCKETP; count++; } else { sc->handle[2].flags = 0; } sc->handle[2].laststate = PCIC_LASTSTATE_EMPTY; VERBOSE((" 0x%02x", reg)); sc->handle[3].sc = sc; sc->handle[3].sock = C1SB; /* initialise pcic_read and pcic_write functions */ sc->handle[3].ph_read = st_pcic_read; sc->handle[3].ph_write = st_pcic_write; sc->handle[3].ph_bus_t = sc->iot; sc->handle[3].ph_bus_h = sc->ioh; if (pcic_ident_ok(reg = pcic_read(&sc->handle[3], PCIC_IDENT))) { sc->handle[3].flags = PCIC_FLAG_SOCKETP; count++; } else { sc->handle[3].flags = 0; } sc->handle[3].laststate = PCIC_LASTSTATE_EMPTY; VERBOSE((" 0x%02x\n", reg)); } else { sc->handle[2].flags = 0; sc->handle[3].flags = 0; } if (count == 0) panic("pcic_attach: attach found no sockets"); /* establish the interrupt */ /* XXX block interrupts? */ for (i = 0; i < PCIC_NSLOTS; i++) { /* * this should work, but w/o it, setting tty flags hangs at * boot time. */ if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) { STAILQ_INIT(&sc->handle[i].events); pcic_write(&sc->handle[i], PCIC_CSC_INTR, 0); pcic_read(&sc->handle[i], PCIC_CSC); } } if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) || (sc->handle[1].flags & PCIC_FLAG_SOCKETP)) { vendor = pcic_vendor(&sc->handle[0]); device_printf(dev, "controller 0 (%s) has ", pcic_vendor_to_string(vendor)); if ((sc->handle[0].flags & PCIC_FLAG_SOCKETP) && (sc->handle[1].flags & PCIC_FLAG_SOCKETP)) printf("sockets A and B\n"); else if (sc->handle[0].flags & PCIC_FLAG_SOCKETP) printf("socket A only\n"); else printf("socket B only\n"); if (sc->handle[0].flags & PCIC_FLAG_SOCKETP) sc->handle[0].vendor = vendor; if (sc->handle[1].flags & PCIC_FLAG_SOCKETP) sc->handle[1].vendor = vendor; } if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) || (sc->handle[3].flags & PCIC_FLAG_SOCKETP)) { vendor = pcic_vendor(&sc->handle[2]); device_printf(dev, "controller 1 (%s) has ", pcic_vendor_to_string(vendor)); if ((sc->handle[2].flags & PCIC_FLAG_SOCKETP) && (sc->handle[3].flags & PCIC_FLAG_SOCKETP)) printf("sockets A and B\n"); else if (sc->handle[2].flags & PCIC_FLAG_SOCKETP) printf("socket A only\n"); else printf("socket B only\n"); if (sc->handle[2].flags & PCIC_FLAG_SOCKETP) sc->handle[2].vendor = vendor; if (sc->handle[3].flags & PCIC_FLAG_SOCKETP) sc->handle[3].vendor = vendor; } for (i = 0; i < PCIC_NSLOTS; i++) { if ((sc->handle[i].flags & PCIC_FLAG_SOCKETP) == 0) continue; h = &sc->handle[i]; /* initialize the rest of the handle */ h->shutdown = 0; h->memalloc = 0; h->ioalloc = 0; h->ih_irq = 0; h->sc = sc; h->dev = device_add_child(dev, "pccard", -1); device_set_ivars(h->dev, h); pcic_init_socket(h); } /* * Probe and attach any children as were configured above. */ error = bus_generic_attach(dev); if (error) pcic_deactivate(dev); return error; } void pcic_create_event_thread(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_create(pcic_event_thread, h, &h->event_thread, RFTHREAD, "%s,%s", device_get_name(h->sc->dev), cs)) { device_printf(h->sc->dev, "cannot create event thread for sock 0x%02x\n", h->sock); panic("pcic_create_event_thread"); } } void pcic_event_thread(void *arg) { struct pcic_handle *h = arg; struct pcic_event *pe; int s; struct pcic_softc *sc = h->sc; while (h->shutdown == 0) { s = splhigh(); if ((pe = STAILQ_FIRST(&h->events)) == NULL) { splx(s); (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(); STAILQ_REMOVE_HEAD_UNTIL(&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 = STAILQ_FIRST(&h->events)) == NULL) break; if (pe1->pe_type != PCIC_EVENT_REMOVAL) break; if ((pe2 = STAILQ_NEXT(pe1, pe_q)) == NULL) break; if (pe2->pe_type == PCIC_EVENT_INSERTION) { STAILQ_REMOVE_HEAD_UNTIL(&h->events, pe1, pe_q); free(pe1, M_TEMP); STAILQ_REMOVE_HEAD_UNTIL(&h->events, pe2, pe_q); free(pe2, M_TEMP); } } splx(s); DEVPRINTF((h->dev, "insertion event\n")); pcic_attach_card(h); break; case PCIC_EVENT_REMOVAL: s = splhigh(); while (1) { struct pcic_event *pe1, *pe2; if ((pe1 = STAILQ_FIRST(&h->events)) == NULL) break; if (pe1->pe_type != PCIC_EVENT_INSERTION) break; if ((pe2 = STAILQ_NEXT(pe1, pe_q)) == NULL) break; if (pe2->pe_type == PCIC_EVENT_REMOVAL) { STAILQ_REMOVE_HEAD_UNTIL(&h->events, pe1, pe_q); free(pe1, M_TEMP); STAILQ_REMOVE_HEAD_UNTIL(&h->events, pe2, pe_q); free(pe2, M_TEMP); } } splx(s); DEVPRINTF((h->dev, "removal event\n")); pcic_detach_card(h, DETACH_FORCE); break; default: panic("pcic_event_thread: unknown event %d", pe->pe_type); } free(pe, M_TEMP); } h->event_thread = NULL; /* In case parent is waiting for us to exit. */ wakeup(sc); kthread_exit(0); } void pcic_init_socket(struct pcic_handle *h) { int reg; struct pcic_softc *sc = h->sc; /* * queue creation of a kernel thread to handle insert/removal events. */ *lasthandle++ = h; /* set up the card to interrupt on card detect */ pcic_write(h, PCIC_CSC_INTR, (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) | PCIC_CSC_INTR_CD_ENABLE); pcic_write(h, PCIC_INTR, 0); pcic_read(h, PCIC_CSC); /* 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) { DEVPRINTF((sc->dev, "socket %02x was suspended\n", h->sock)); reg &= ~PCIC_CIRRUS_MISC_CTL_2_SUSPEND; pcic_write(h, PCIC_CIRRUS_MISC_CTL_2, reg); } } h->laststate = PCIC_LASTSTATE_EMPTY; #if 0 /* XXX */ /* Should do this later */ /* maybe as part of interrupt routing verification */ if ((reg & PCIC_IF_STATUS_CARDDETECT_MASK) == PCIC_IF_STATUS_CARDDETECT_PRESENT) { pcic_attach_card(h); h->laststate = PCIC_LASTSTATE_PRESENT; } else { h->laststate = PCIC_LASTSTATE_EMPTY; } #endif } static void pcic_intr(void *arg) { struct pcic_softc *sc = arg; int i; DEVPRINTF((sc->dev, "intr\n")); for (i = 0; i < PCIC_NSLOTS; i++) if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) pcic_intr_socket(&sc->handle[i]); } static void pcic_intr_socket(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) { DEVPRINTF((h->dev, "%02x GPI\n", h->sock)); } if (cscreg & PCIC_CSC_CD) { int statreg; statreg = pcic_read(h, PCIC_IF_STATUS); DEVPRINTF((h->dev, "%02x CD %x\n", h->sock, statreg)); if ((statreg & PCIC_IF_STATUS_CARDDETECT_MASK) == PCIC_IF_STATUS_CARDDETECT_PRESENT) { if (h->laststate != PCIC_LASTSTATE_PRESENT) { DEVPRINTF((h->dev, "enqueing INSERTION event\n")); pcic_queue_event(h, PCIC_EVENT_INSERTION); } h->laststate = PCIC_LASTSTATE_PRESENT; } else { if (h->laststate == PCIC_LASTSTATE_PRESENT) { /* Deactivate the card now. */ DEVPRINTF((h->dev, "detaching card\n")); pcic_detach_card(h, DETACH_FORCE); DEVPRINTF((h->dev,"enqueing REMOVAL event\n")); 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) { DEVPRINTF((h->dev, "%02x READY\n", h->sock)); /* shouldn't happen */ } if (cscreg & PCIC_CSC_BATTWARN) { DEVPRINTF((h->dev, "%02x BATTWARN\n", h->sock)); } if (cscreg & PCIC_CSC_BATTDEAD) { DEVPRINTF((h->dev, "%02x BATTDEAD\n", h->sock)); } } void pcic_queue_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(); STAILQ_INSERT_TAIL(&h->events, pe, pe_q); splx(s); wakeup(&h->events); } static void pcic_attach_card(struct pcic_handle *h) { DPRINTF(("pcic_attach_card h %p h->dev %p\n", h, h->dev)); if (!(h->flags & PCIC_FLAG_CARDP)) { DPRINTF(("Calling MI attach function\n")); /* call the MI attach function */ CARD_ATTACH_CARD(h->dev); h->flags |= PCIC_FLAG_CARDP; } else { DPRINTF(("pcic_attach_card: already attached\n")); } } static void pcic_detach_card(struct pcic_handle *h, int flags) { DPRINTF(("pcic_detach_card h %p h->dev %p\n", h, h->dev)); if (h->flags & PCIC_FLAG_CARDP) { h->flags &= ~PCIC_FLAG_CARDP; /* call the MI detach function */ CARD_DETACH_CARD(h->dev, flags); } else { DPRINTF(("pcic_detach_card: already detached\n")); } } static int pcic_chip_mem_alloc(struct pcic_handle *h, struct resource *r, bus_size_t size, struct pccard_mem_handle *pcmhp) { bus_space_handle_t memh; bus_addr_t addr; bus_size_t sizepg; int mask; struct pcic_softc *sc = h->sc; /* 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 = rman_get_start(r); memh = addr; pcmhp->memt = sc->memt; pcmhp->memh = memh; pcmhp->addr = addr; pcmhp->size = size; pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE; return (0); } static void pcic_chip_mem_free(struct pcic_handle *h, struct pccard_mem_handle *pcmhp) { } static 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, }, }; static void pcic_chip_do_mem_map(struct pcic_handle *h, int win) { int reg; 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)); #if 0 /* XXX do I want 16 bit all the time? */ PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT; #endif 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) | ((h->mem[win].kind == PCCARD_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 } static int pcic_chip_mem_map(struct pcic_handle *h, int kind, bus_addr_t card_addr, bus_size_t size, struct pccard_mem_handle *pcmhp, bus_addr_t *offsetp, int *windowp) { bus_addr_t busaddr; long card_offset; int i, win; 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; busaddr = pcmhp->addr; /* * compute the address offset to the pccard 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); } static void pcic_chip_mem_unmap(struct pcic_handle *h, int window) { 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); } static int pcic_chip_io_alloc(struct pcic_handle *h, bus_addr_t start, bus_size_t size, bus_size_t align, struct pccard_io_handle *pcihp) { bus_space_tag_t iot; bus_space_handle_t ioh; bus_addr_t ioaddr; int flags = 0; struct pcic_softc *sc = h->sc; /* * Allocate some arbitrary I/O space. */ iot = sc->iot; ioaddr = start; if (start) { ioh = start; DPRINTF(("pcic_chip_io_alloc map port %lx+%lx\n", (u_long) ioaddr, (u_long) size)); } else { flags |= PCCARD_IO_ALLOCATED; ioh = start; 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); } static void pcic_chip_io_free(struct pcic_handle *h, struct pccard_io_handle *pcihp) { } static 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 PCCARD_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, }, }, }; static void pcic_chip_do_io_map(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); } static int pcic_chip_io_map(struct pcic_handle *h, int width, bus_addr_t offset, bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) { bus_addr_t ioaddr = pcihp->addr + offset; int i, win; #ifdef PCICDEBUG static char *width_names[] = { "auto", "io8", "io16" }; #endif #if 0 struct pcic_softc *sc = h->sc; #endif /* 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; #if 0 /* XXX this is pretty gross */ if (sc->iot != pcihp->iot) panic("pcic_chip_io_map iot is bogus"); #endif 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); } static void pcic_chip_io_unmap(struct pcic_handle *h, int window) { 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(struct pcic_handle *h) { int i; for (i = 0; i < 10000; i++) { if (pcic_read(h, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) return; DELAY(500); #ifdef PCICDEBUG if (pcic_debug) { if ((i>5000) && (i%100 == 99)) printf("."); } #endif } #ifdef DIAGNOSTIC printf("pcic_wait_ready: ready never happened, status = %02x\n", pcic_read(h, PCIC_IF_STATUS)); #endif } int pcic_enable_socket(device_t dev, device_t child) { struct pcic_handle *h = pcic_get_handle(dev, child); int cardtype, reg, win; /* this bit is mostly stolen from pcic_attach_card */ /* power down the socket to reset it, clear the card reset pin */ pcic_write(h, PCIC_PWRCTL, 0); /* * wait 300ms until power fails (Tpf). Then, wait 100ms since * we are changing Vcc (Toff). */ DELAY((300 + 100) * 1000); #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 */ pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_PWR_ENABLE); /* * 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). */ DELAY((100 + 20 + 300) * 1000); pcic_write(h, PCIC_PWRCTL, PCIC_PWRCTL_DISABLE_RESETDRV | PCIC_PWRCTL_OE | PCIC_PWRCTL_PWR_ENABLE); pcic_write(h, PCIC_INTR, 0); /* * hold RESET at least 10us. */ DELAY(10); /* clear the reset flag */ pcic_write(h, PCIC_INTR, PCIC_INTR_RESET); /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ DELAY(20000); /* wait for the chip to finish initializing */ #ifdef DIAGNOSTIC reg = pcic_read(h, PCIC_IF_STATUS); if (!(reg & PCIC_IF_STATUS_POWERACTIVE)) { printf("pcic_chip_socket_enable: status %x", reg); } #endif pcic_wait_ready(h); /* zero out the address windows */ pcic_write(h, PCIC_ADDRWIN_ENABLE, 0); /* set the card type */ CARD_GET_TYPE(h->dev, &cardtype); reg = pcic_read(h, PCIC_INTR); reg &= ~(PCIC_INTR_CARDTYPE_MASK | PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); reg |= ((cardtype == PCCARD_IFTYPE_IO) ? PCIC_INTR_CARDTYPE_IO : PCIC_INTR_CARDTYPE_MEM); reg |= h->ih_irq; pcic_write(h, PCIC_INTR, reg); DEVPRINTF((h->dev, "pcic_chip_socket_enable cardtype %s %02x\n", ((cardtype == PCCARD_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); return 0; } int pcic_disable_socket(device_t dev, device_t child) { struct pcic_handle *h = pcic_get_handle(dev, child); DPRINTF(("pcic_chip_socket_disable\n")); /* power down the socket */ pcic_write(h, PCIC_PWRCTL, 0); /* * wait 300ms until power fails (Tpf). */ DELAY(300 * 1000); return 0; } static u_int8_t st_pcic_read(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(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); } int pcic_activate_resource(device_t dev, device_t child, int type, int rid, struct resource *r) { int err; int sz; int win; bus_addr_t off; struct pcic_handle *h = pcic_get_handle(dev, child); sz = rman_get_end(r) - rman_get_start(r) + 1; switch (type) { case SYS_RES_IOPORT: win = rid; err = pcic_chip_io_map(h, 0, 0, sz, &h->io[rid], &win); if (err) { pcic_chip_io_free(h, &h->io[rid]); return err; } break; case SYS_RES_MEMORY: err = pcic_chip_mem_map(h, 0, 0, sz, &h->mem[rid], &off, &win); if (err) { pcic_chip_mem_free(h, &h->mem[rid]); return err; } break; default: break; } err = bus_generic_activate_resource(device_get_parent(dev), child, type, rid, r); return (err); } int pcic_deactivate_resource(device_t dev, device_t child, int type, int rid, struct resource *r) { struct pcic_handle *h = pcic_get_handle(dev, child); int err = 0; switch (type) { case SYS_RES_IOPORT: pcic_chip_io_unmap(h, rid); break; case SYS_RES_MEMORY: pcic_chip_mem_unmap(h, rid); default: break; } err = bus_generic_deactivate_resource(device_get_parent(dev), child, type, rid, r); return (err); } int pcic_setup_intr(device_t dev, device_t child, struct resource *irqres, int flags, driver_intr_t intr, void *arg, void **cookiep) { struct pcic_handle *h = pcic_get_handle(dev, child); int reg; int irq; int err; err = bus_generic_setup_intr(device_get_parent(dev), child, irqres, flags, intr, arg, cookiep); if (!err) return (err); irq = rman_get_start(irqres); reg = pcic_read(h, PCIC_INTR); reg &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); reg |= irq; pcic_write(h, PCIC_INTR, reg); h->ih_irq = irq; device_printf(dev, "card irq %d\n", irq); return 0; } int pcic_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookiep) { int reg; struct pcic_handle *h = pcic_get_handle(dev, child); h->ih_irq = 0; reg = pcic_read(h, PCIC_INTR); reg &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_ENABLE); pcic_write(h, PCIC_INTR, reg); return (bus_generic_teardown_intr(device_get_parent(dev), child, irq, cookiep)); } struct resource * pcic_alloc_resource(device_t dev, device_t child, int type, int *rid, u_long start, u_long end, u_long count, u_int flags) { int sz; int err; struct resource *r; struct pcic_handle *h = pcic_get_handle(dev, child); /* Nearly default */ if (type == SYS_RES_MEMORY && start == 0 && end == ~0 && count != 1) { start = 0xd0000; /* XXX */ end = 0xdffff; } r = bus_generic_alloc_resource(dev, child, type, rid, start, end, count, flags); if (r == NULL) return r; sz = rman_get_end(r) - rman_get_start(r) + 1; switch (type) { case SYS_RES_IOPORT: err = pcic_chip_io_alloc(h, rman_get_start(r), sz, 0, &h->io[*rid]); if (err) { bus_generic_release_resource(dev, child, type, *rid, r); return 0; } break; case SYS_RES_MEMORY: err = pcic_chip_mem_alloc(h, r, sz, &h->mem[*rid]); if (err) { bus_generic_release_resource(dev, child, type, *rid, r); return 0; } break; default: break; } return r; } int pcic_release_resource(device_t dev, device_t child, int type, int rid, struct resource *r) { struct pcic_handle *h = pcic_get_handle(dev, child); switch (type) { case SYS_RES_IOPORT: pcic_chip_io_free(h, &h->io[rid]); break; case SYS_RES_MEMORY: pcic_chip_mem_free(h, &h->mem[rid]); default: break; } return bus_generic_release_resource(dev, child, type, rid, r); } int pcic_suspend(device_t dev) { /* * Do nothing for now, maybe in time do what FreeBSD's current * pccard code does and detach my children. That's the safest thing * to do since we don't want to wake up and have different hardware * in the slots. */ return 0; } int pcic_resume(device_t dev) { /* Need to port pcic_power from newer netbsd versions of this file */ return 0; } int pcic_set_res_flags(device_t dev, device_t child, int type, int rid, u_int32_t flags) { struct pcic_handle *h = pcic_get_handle(dev, child); DPRINTF(("%p %p %d %d %#x\n", dev, child, type, rid, flags)); if (type != SYS_RES_MEMORY) return (EINVAL); h->mem[rid].kind = PCCARD_MEM_ATTR; pcic_chip_do_mem_map(h, rid); return 0; } int pcic_set_memory_offset(device_t dev, device_t child, int rid, u_int32_t offset) { return 0; } static void pcic_start_threads(void *arg) { struct pcic_handle **walker; walker = handles; while (*walker) { pcic_create_event_thread(*walker++); } } int pcic_detach(device_t dev) { device_t *kids; int nkids; int i; int ret; pcic_deactivate(dev); ret = bus_generic_detach(dev); if (ret != 0) return (ret); /* * Normally, one wouldn't delete the children. However, detach * merely detaches the children w/o deleting them. So if * we were to reattach, we add additional children and wind up * with duplicates. So, we remove them here following the * implicit "if you add it in attach, you should delete it in * detach" rule that may or may not be documented. */ device_get_children(dev, &kids, &nkids); for (i = 0; i < nkids; i++) { if ((ret = device_delete_child(dev, kids[i])) != 0) device_printf(dev, "delete of %s failed: %d\n", device_get_nameunit(kids[i]), ret); } free(kids, M_TEMP); return 0; } SYSINIT(pcic, SI_SUB_KTHREAD_IDLE, SI_ORDER_ANY, pcic_start_threads, 0); MODULE_VERSION(pcic, 1);