/* $OpenBSD: pccbb.c,v 1.102 2022/02/02 03:48:48 jsg Exp $ */ /* $NetBSD: pccbb.c,v 1.96 2004/03/28 09:49:31 nakayama Exp $ */ /* * Copyright (c) 1998, 1999 and 2000 * HAYAKAWA Koichi. 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. * * 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. */ /* #define CBB_DEBUG #define SHOW_REGS #define PCCBB_PCMCIA_POLL */ /* #define CB_PCMCIA_POLL #define CB_PCMCIA_POLL_ONLY #define LEVEL2 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct cfdriver cbb_cd = { NULL, "cbb", DV_DULL }; #if defined CBB_DEBUG #define DPRINTF(x) printf x #else #define DPRINTF(x) #endif int pcicbbmatch(struct device *, void *, void *); void pccbbattach(struct device *, struct device *, void *); int pccbbactivate(struct device *, int); int pccbbintr(void *); void pccbb_shutdown(void *); void pci113x_insert(void *); int pccbbintr_function(struct pccbb_softc *); int pccbb_checksockstat(struct pccbb_softc *); int pccbb_detect_card(struct pccbb_softc *); void pccbb_pcmcia_write(struct pcic_handle *, int, int); u_int8_t pccbb_pcmcia_read(struct pcic_handle *, int); #define Pcic_read(ph, reg) ((ph)->ph_read((ph), (reg))) #define Pcic_write(ph, reg, val) ((ph)->ph_write((ph), (reg), (val))) int cb_reset(struct pccbb_softc *); int cb_detect_voltage(struct pccbb_softc *); int cbbprint(void *, const char *); int cb_chipset(u_int32_t, int *); void pccbb_pcmcia_attach_setup(struct pccbb_softc *, struct pcmciabus_attach_args *); #if 0 void pccbb_pcmcia_attach_card(struct pcic_handle *); void pccbb_pcmcia_detach_card(struct pcic_handle *, int); void pccbb_pcmcia_deactivate_card(struct pcic_handle *); #endif int pccbb_ctrl(cardbus_chipset_tag_t, int); int pccbb_power(cardbus_chipset_tag_t, int); int pccbb_cardenable(struct pccbb_softc * sc, int function); void *pccbb_intr_establish(struct pccbb_softc *, int irq, int level, int (*ih) (void *), void *sc, const char *); void pccbb_intr_disestablish(struct pccbb_softc *, void *ih); void *pccbb_cb_intr_establish(cardbus_chipset_tag_t, int irq, int level, int (*ih) (void *), void *sc, const char *); void pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, void *ih); void pccbb_legacy_disable(struct pccbb_softc *sc); void pccbb_chipinit(struct pccbb_softc *); int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t, bus_size_t, struct pcmcia_mem_handle *); void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t, struct pcmcia_mem_handle *); int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t, bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *); void pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t, int); int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t, bus_addr_t, bus_size_t, bus_size_t, struct pcmcia_io_handle *); void pccbb_pcmcia_io_free(pcmcia_chipset_handle_t, struct pcmcia_io_handle *); int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t, int, bus_addr_t, bus_size_t, struct pcmcia_io_handle *, int *); void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t, int); void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t, struct pcmcia_function *, int, int (*)(void *), void *, char *); void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t, void *); const char *pccbb_pcmcia_intr_string(pcmcia_chipset_handle_t, void *); void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t); void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t); int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t pch); void pccbb_pcmcia_do_io_map(struct pcic_handle *, int); void pccbb_pcmcia_wait_ready(struct pcic_handle *); void pccbb_pcmcia_do_mem_map(struct pcic_handle *, int); /* bus-space allocation and deallocation functions */ int pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t, rbus_tag_t, bus_addr_t addr, bus_size_t size, bus_addr_t mask, bus_size_t align, int flags, bus_addr_t * addrp, bus_space_handle_t * bshp); int pccbb_rbus_cb_space_free(cardbus_chipset_tag_t, rbus_tag_t, bus_space_handle_t, bus_size_t); int pccbb_open_win(struct pccbb_softc *, bus_space_tag_t, bus_addr_t, bus_size_t, bus_space_handle_t, int flags); int pccbb_close_win(struct pccbb_softc *, bus_space_tag_t, bus_space_handle_t, bus_size_t); int pccbb_winlist_insert(struct pccbb_win_chain_head *, bus_addr_t, bus_size_t, bus_space_handle_t, int); int pccbb_winlist_delete(struct pccbb_win_chain_head *, bus_space_handle_t, bus_size_t); void pccbb_winset(bus_addr_t align, struct pccbb_softc *, bus_space_tag_t); void pccbb_winlist_show(struct pccbb_win_chain *); /* for config_defer */ void pccbb_pci_callback(struct device *); #if defined SHOW_REGS void cb_show_regs(pci_chipset_tag_t, pcitag_t, bus_space_tag_t, bus_space_handle_t memh); #endif struct cfattach cbb_pci_ca = { sizeof(struct pccbb_softc), pcicbbmatch, pccbbattach, NULL, pccbbactivate }; static struct pcmcia_chip_functions pccbb_pcmcia_funcs = { pccbb_pcmcia_mem_alloc, pccbb_pcmcia_mem_free, pccbb_pcmcia_mem_map, pccbb_pcmcia_mem_unmap, pccbb_pcmcia_io_alloc, pccbb_pcmcia_io_free, pccbb_pcmcia_io_map, pccbb_pcmcia_io_unmap, pccbb_pcmcia_intr_establish, pccbb_pcmcia_intr_disestablish, pccbb_pcmcia_intr_string, pccbb_pcmcia_socket_enable, pccbb_pcmcia_socket_disable, pccbb_pcmcia_card_detect }; static struct cardbus_functions pccbb_funcs = { pccbb_rbus_cb_space_alloc, pccbb_rbus_cb_space_free, pccbb_cb_intr_establish, pccbb_cb_intr_disestablish, pccbb_ctrl, pccbb_power, }; /* * delay_ms() is wait in milliseconds. It should be used instead * of delay() if you want to wait more than 1 ms. */ static inline void delay_ms(int millis, void *param) { if (cold) delay(millis * 1000); else tsleep_nsec(param, PWAIT, "pccbb", MSEC_TO_NSEC(millis)); } int pcicbbmatch(struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *)aux; if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_CARDBUS && PCI_INTERFACE(pa->pa_class) == 0) { return 1; } return 0; } #define MAKEID(vendor, prod) (((vendor) << PCI_VENDOR_SHIFT) \ | ((prod) << PCI_PRODUCT_SHIFT)) struct yenta_chipinfo { pcireg_t yc_id; /* vendor tag | product tag */ int yc_chiptype; int yc_flags; } yc_chipsets[] = { /* Texas Instruments chips */ { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1130), CB_TI113X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1131), CB_TI113X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1250), CB_TI125X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1220), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1221), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1225), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251), CB_TI125X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251B), CB_TI125X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1211), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1410), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1420), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1450), CB_TI125X, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1451), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1510), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI7XX1), CB_TI12XX, PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32}, /* Ricoh chips */ { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C475), CB_RX5C47X, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C476), CB_RX5C47X, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C477), CB_RX5C47X, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C478), CB_RX5C47X, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C465), CB_RX5C46X, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RF5C466), CB_RX5C46X, PCCBB_PCMCIA_MEM_32}, /* Toshiba products */ { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_TOPIC95), CB_TOPIC95, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_TOPIC95B), CB_TOPIC95B, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_TOPIC97), CB_TOPIC97, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_TOPIC100), CB_TOPIC97, PCCBB_PCMCIA_MEM_32}, /* Cirrus Logic products */ { MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6832), CB_CIRRUS, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6833), CB_CIRRUS, PCCBB_PCMCIA_MEM_32}, /* older O2Micro bridges */ { MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6729), CB_OLDO2MICRO, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6730), CB_OLDO2MICRO, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6872), /* 68[71]2 */ CB_OLDO2MICRO, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6832), CB_OLDO2MICRO, PCCBB_PCMCIA_MEM_32}, { MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6836), CB_OLDO2MICRO, PCCBB_PCMCIA_MEM_32}, /* sentinel, or Generic chip */ { 0 /* null id */ , CB_UNKNOWN, PCCBB_PCMCIA_MEM_32}, }; int cb_chipset(u_int32_t pci_id, int *flagp) { struct yenta_chipinfo *yc; /* Loop over except the last default entry. */ for (yc = yc_chipsets; yc < yc_chipsets + sizeof(yc_chipsets) / sizeof(yc_chipsets[0]) - 1; yc++) if (pci_id == yc->yc_id) break; if (flagp != NULL) *flagp = yc->yc_flags; return (yc->yc_chiptype); } void pccbb_shutdown(void *arg) { struct pccbb_softc *sc = arg; pcireg_t command; DPRINTF(("%s: shutdown\n", sc->sc_dev.dv_xname)); /* turn off power */ pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); bus_space_write_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_MASK, 0); command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); command &= ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE); pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command); } void pccbbattach(struct device *parent, struct device *self, void *aux) { struct pccbb_softc *sc = (void *)self; struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; pci_intr_handle_t ih; const char *intrstr = NULL; u_long busnum; int flags; pccbb_attach_hook(parent, self, pa); sc->sc_chipset = cb_chipset(pa->pa_id, &flags); sc->sc_id = pa->pa_id; #ifdef CBB_DEBUG printf(" (chipflags %x)", flags); #endif TAILQ_INIT(&sc->sc_memwindow); TAILQ_INIT(&sc->sc_iowindow); sc->sc_rbus_iot = rbus_pccbb_parent_io(self, pa); sc->sc_rbus_memt = rbus_pccbb_parent_mem(self, pa); /* * MAP socket registers and ExCA registers on memory-space */ if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_MEM, 0, &sc->sc_base_memt, &sc->sc_base_memh, NULL, NULL, 0)) { printf("can't map registers\n"); return; } sc->sc_busnum = pci_conf_read(pc, pa->pa_tag, PCI_BUSNUM); #if defined CBB_DEBUG { static char *intrname[5] = { "NON", "A", "B", "C", "D" }; printf(": intrpin %s, line %d\n", intrname[pa->pa_intrpin], pa->pa_intrline); } #endif /* setup softc */ sc->sc_pc = pc; sc->sc_iot = pa->pa_iot; sc->sc_memt = pa->pa_memt; sc->sc_dmat = pa->pa_dmat; sc->sc_tag = pa->pa_tag; sc->sc_function = pa->pa_function; sc->sc_intrtag = pa->pa_intrtag; sc->sc_intrpin = pa->pa_intrpin; sc->sc_pcmcia_flags = flags; /* set PCMCIA facility */ /* Map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { printf(": couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pc, ih); /* must do this after intr is mapped and established */ sc->sc_intrline = pci_intr_line(pc, ih); /* * XXX pccbbintr should be called under the priority lower * than any other hard interrupts. */ sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, pccbbintr, sc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(": couldn't establish interrupt"); if (intrstr != NULL) { printf(" at %s", intrstr); } printf("\n"); return; } printf(": %s", intrstr); /* * When the bus number isn't configured, try to allocate one * ourselves. */ if ((sc->sc_busnum & 0x00ffff00) == 0 && pa->pa_busex && extent_alloc(pa->pa_busex, 1, 1, 0, 0, EX_NOWAIT, &busnum) == 0) { sc->sc_busnum |= (busnum << 8); sc->sc_busnum |= (busnum << 16); pci_conf_write(pc, pa->pa_tag, PCI_BUSNUM, sc->sc_busnum); } /* * When the bus number still isn't set correctly, give up * using 32-bit CardBus mode. */ if (((sc->sc_busnum >> 8) & 0xff) == 0) { printf(", CardBus support disabled"); sc->sc_pcmcia_flags |= PCCBB_PCMCIA_16BITONLY; } printf("\n"); /* Disable legacy register mapping. */ pccbb_legacy_disable(sc); timeout_set(&sc->sc_ins_tmo, pci113x_insert, sc); config_defer(self, pccbb_pci_callback); } /* * void pccbb_pci_callback(struct device *self) * * The actual attach routine: get memory space for YENTA register * space, setup YENTA register and route interrupt. * * This function should be deferred because this device may obtain * memory space dynamically. This function must avoid obtaining * memory area which has already kept for another device. Also, * this function MUST be done before ISA attach process because this * function kills pcic compatible port used by ISA pcic. */ void pccbb_pci_callback(struct device *self) { struct pccbb_softc *sc = (void *)self; pci_chipset_tag_t pc = sc->sc_pc; bus_space_tag_t base_memt; bus_space_handle_t base_memh; u_int32_t maskreg; struct cbslot_attach_args cba; struct pcmciabus_attach_args paa; struct cardslot_attach_args caa; struct cardslot_softc *csc; u_int32_t sockstat; base_memt = sc->sc_base_memt; /* socket regs memory tag */ base_memh = sc->sc_base_memh; /* socket regs memory handle */ /* bus bridge initialization */ pccbb_chipinit(sc); /* clear data structure for child device interrupt handlers */ sc->sc_pil = NULL; sc->sc_pil_intr_enable = 1; sockstat = bus_space_read_4(base_memt, base_memh, CB_SOCKET_STAT); if ((sockstat & CB_SOCKET_STAT_CD) == 0) sc->sc_flags |= CBB_CARDEXIST; /* * attach cardbus */ if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) { pcireg_t busreg = pci_conf_read(pc, sc->sc_tag, PCI_BUSNUM); pcireg_t bhlc = pci_conf_read(pc, sc->sc_tag, PCI_BHLC_REG); /* initialize cbslot_attach */ cba.cba_busname = "cardbus"; cba.cba_iot = sc->sc_iot; cba.cba_memt = sc->sc_memt; cba.cba_dmat = sc->sc_dmat; cba.cba_bus = (busreg >> 8) & 0x0ff; cba.cba_cc = (void *)sc; cba.cba_pc = sc->sc_pc; cba.cba_cf = &pccbb_funcs; cba.cba_intrline = sc->sc_intrline; cba.cba_rbus_iot = sc->sc_rbus_iot; cba.cba_rbus_memt = sc->sc_rbus_memt; cba.cba_cacheline = PCI_CACHELINE(bhlc); cba.cba_lattimer = PCI_CB_LATENCY(busreg); #if defined CBB_DEBUG printf("%s: cacheline 0x%x lattimer 0x%x\n", sc->sc_dev.dv_xname, cba.cba_cacheline, cba.cba_lattimer); printf("%s: bhlc 0x%x lscp 0x%x\n", sc->sc_dev.dv_xname, bhlc, busreg); #endif #if defined SHOW_REGS cb_show_regs(sc->sc_pc, sc->sc_tag, sc->sc_base_memt, sc->sc_base_memh); #endif } pccbb_pcmcia_attach_setup(sc, &paa); caa.caa_cb_attach = NULL; if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) { caa.caa_cb_attach = &cba; } caa.caa_16_attach = &paa; caa.caa_ph = &sc->sc_pcmcia_h; if (NULL != (csc = (void *)config_found(self, &caa, cbbprint))) { DPRINTF(("pccbbattach: found cardslot\n")); sc->sc_csc = csc; } sc->sc_ints_on = 1; /* CSC Interrupt: Card detect interrupt on */ maskreg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK); maskreg |= CB_SOCKET_MASK_CD; /* Card detect intr is turned on. */ bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, maskreg); /* reset interrupt */ bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT, bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT)); return; } void pccbb_legacy_disable(struct pccbb_softc *sc) { pcireg_t reg; switch (sc->sc_chipset) { case CB_RX5C46X: /* * The legacy pcic io-port on Ricoh RX5C46X CardBus bridges * cannot be disabled by substituting 0 into PCI_LEGACY * register. Ricoh CardBus bridges have special bits on Bridge * control reg (addr 0x3e on PCI config space). */ reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); reg &= ~(CB_BCRI_RL_3E0_ENA | CB_BCRI_RL_3E2_ENA); pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, reg); break; default: pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_LEGACY, 0x0); break; } } /* * void pccbb_chipinit(struct pccbb_softc *sc) * * This function initialize YENTA chip registers listed below: * 1) PCI command reg, * 2) PCI and CardBus latency timer, * 3) route PCI interrupt, * 4) close all memory and io windows. */ void pccbb_chipinit(struct pccbb_softc *sc) { pci_chipset_tag_t pc = sc->sc_pc; pcitag_t tag = sc->sc_tag; pcireg_t reg; /* Power on the controller if the BIOS didn't */ pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); /* * Set PCI command reg. * Some laptop's BIOSes (i.e. TICO) do not enable CardBus chip. */ reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); /* I believe it is harmless. */ reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE); pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg); /* * Set CardBus latency timer. */ reg = pci_conf_read(pc, tag, PCI_CB_LSCP_REG); if (PCI_CB_LATENCY(reg) < 0x20) { reg &= ~(PCI_CB_LATENCY_MASK << PCI_CB_LATENCY_SHIFT); reg |= (0x20 << PCI_CB_LATENCY_SHIFT); pci_conf_write(pc, tag, PCI_CB_LSCP_REG, reg); } DPRINTF(("CardBus latency timer 0x%x (%x)\n", PCI_CB_LATENCY(reg), pci_conf_read(pc, tag, PCI_CB_LSCP_REG))); /* * Set PCI latency timer. */ reg = pci_conf_read(pc, tag, PCI_BHLC_REG); if (PCI_LATTIMER(reg) < 0x10) { reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); reg |= (0x10 << PCI_LATTIMER_SHIFT); pci_conf_write(pc, tag, PCI_BHLC_REG, reg); } DPRINTF(("PCI latency timer 0x%x (%x)\n", PCI_LATTIMER(reg), pci_conf_read(pc, tag, PCI_BHLC_REG))); /* Route functional interrupts to PCI. */ reg = pci_conf_read(pc, tag, PCI_BCR_INTR); reg |= CB_BCR_INTR_IREQ_ENABLE; /* disable PCI Intr */ reg |= CB_BCR_WRITE_POST_ENABLE; /* enable write post */ reg |= CB_BCR_RESET_ENABLE; /* assert reset */ pci_conf_write(pc, tag, PCI_BCR_INTR, reg); switch (sc->sc_chipset) { case CB_TI113X: reg = pci_conf_read(pc, tag, PCI_CBCTRL); /* This bit is shared, but may read as 0 on some chips, so set it explicitly on both functions. */ reg |= PCI113X_CBCTRL_PCI_IRQ_ENA; /* CSC intr enable */ reg |= PCI113X_CBCTRL_PCI_CSC; /* functional intr prohibit | prohibit ISA routing */ reg &= ~(PCI113X_CBCTRL_PCI_INTR | PCI113X_CBCTRL_INT_MASK); pci_conf_write(pc, tag, PCI_CBCTRL, reg); break; case CB_TI12XX: /* * Some TI 12xx (and [14][45]xx) based pci cards * sometimes have issues with the MFUNC register not * being initialized due to a bad EEPROM on board. * Laptops that this matters on have this register * properly initialized. * * The TI125X parts have a different register. */ reg = pci_conf_read(pc, tag, PCI12XX_MFUNC); if (reg == PCI12XX_MFUNC_DEFAULT) { reg &= ~PCI12XX_MFUNC_PIN0; reg |= PCI12XX_MFUNC_PIN0_INTA; if ((pci_conf_read(pc, tag, PCI_SYSCTRL) & PCI12XX_SYSCTRL_INTRTIE) == 0) { reg &= ~PCI12XX_MFUNC_PIN1; reg |= PCI12XX_MFUNC_PIN1_INTB; } pci_conf_write(pc, tag, PCI12XX_MFUNC, reg); } /* FALLTHROUGH */ case CB_TI125X: /* * Disable zoom video. Some machines initialize this * improperly and experience has shown that this helps * prevent strange behavior. */ pci_conf_write(pc, tag, PCI12XX_MMCTRL, 0); reg = pci_conf_read(pc, tag, PCI_SYSCTRL); reg |= PCI12XX_SYSCTRL_VCCPROT; pci_conf_write(pc, tag, PCI_SYSCTRL, reg); reg = pci_conf_read(pc, tag, PCI_CBCTRL); reg |= PCI12XX_CBCTRL_CSC; pci_conf_write(pc, tag, PCI_CBCTRL, reg); break; case CB_TOPIC95B: reg = pci_conf_read(pc, tag, TOPIC_SOCKET_CTRL); reg |= TOPIC_SOCKET_CTRL_SCR_IRQSEL; pci_conf_write(pc, tag, TOPIC_SOCKET_CTRL, reg); reg = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL); DPRINTF(("%s: topic slot ctrl reg 0x%x -> ", sc->sc_dev.dv_xname, reg)); reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN | TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS); reg &= ~TOPIC_SLOT_CTRL_SWDETECT; DPRINTF(("0x%x\n", reg)); pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, reg); break; case CB_TOPIC97: reg = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL); DPRINTF(("%s: topic slot ctrl reg 0x%x -> ", sc->sc_dev.dv_xname, reg)); reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN | TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS); reg &= ~TOPIC_SLOT_CTRL_SWDETECT; reg |= TOPIC97_SLOT_CTRL_PCIINT; reg &= ~(TOPIC97_SLOT_CTRL_STSIRQP | TOPIC97_SLOT_CTRL_IRQP); DPRINTF(("0x%x\n", reg)); pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, reg); /* make sure to assert LV card support bits */ bus_space_write_1(sc->sc_base_memt, sc->sc_base_memh, 0x800 + 0x3e, bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh, 0x800 + 0x3e) | 0x03); break; case CB_OLDO2MICRO: /* * older bridges have problems with both read prefetch and * write bursting depending on the combination of the chipset, * bridge and the cardbus card. so disable them to be on the * safe side. One example is O2Micro 6812 with Atheros AR5012 * chipsets */ DPRINTF(("%s: old O2Micro bridge found\n", sc->sc_dev.dv_xname, reg)); reg = pci_conf_read(pc, tag, O2MICRO_RESERVED1); pci_conf_write(pc, tag, O2MICRO_RESERVED1, reg & ~(O2MICRO_RES_READ_PREFETCH | O2MICRO_RES_WRITE_BURST)); reg = pci_conf_read(pc, tag, O2MICRO_RESERVED2); pci_conf_write(pc, tag, O2MICRO_RESERVED2, reg & ~(O2MICRO_RES_READ_PREFETCH | O2MICRO_RES_WRITE_BURST)); break; } /* Close all memory and I/O windows. */ pci_conf_write(pc, tag, PCI_CB_MEMBASE0, 0xffffffff); pci_conf_write(pc, tag, PCI_CB_MEMLIMIT0, 0); pci_conf_write(pc, tag, PCI_CB_MEMBASE1, 0xffffffff); pci_conf_write(pc, tag, PCI_CB_MEMLIMIT1, 0); pci_conf_write(pc, tag, PCI_CB_IOBASE0, 0xffffffff); pci_conf_write(pc, tag, PCI_CB_IOLIMIT0, 0); pci_conf_write(pc, tag, PCI_CB_IOBASE1, 0xffffffff); pci_conf_write(pc, tag, PCI_CB_IOLIMIT1, 0); /* reset 16-bit pcmcia bus */ bus_space_write_1(sc->sc_base_memt, sc->sc_base_memh, 0x800 + PCIC_INTR, bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh, 0x800 + PCIC_INTR) & ~PCIC_INTR_RESET); /* turn off power */ pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); } /* * void pccbb_pcmcia_attach_setup(struct pccbb_softc *sc, * struct pcmciabus_attach_args *paa) * * This function attaches 16-bit PCcard bus. */ void pccbb_pcmcia_attach_setup(struct pccbb_softc *sc, struct pcmciabus_attach_args *paa) { struct pcic_handle *ph = &sc->sc_pcmcia_h; rbus_tag_t rb; /* initialize pcmcia part in pccbb_softc */ ph->ph_parent = (struct device *)sc; ph->sock = sc->sc_function; ph->flags = 0; ph->shutdown = 0; ph->ih_irq = sc->sc_intrline; ph->ph_bus_t = sc->sc_base_memt; ph->ph_bus_h = sc->sc_base_memh; ph->ph_read = pccbb_pcmcia_read; ph->ph_write = pccbb_pcmcia_write; sc->sc_pct = &pccbb_pcmcia_funcs; /* * We need to do a few things here: * 1) Disable routing of CSC and functional interrupts to ISA IRQs by * setting the IRQ numbers to 0. * 2) Set bit 4 of PCIC_INTR, which is needed on some chips to enable * routing of CSC interrupts (e.g. card removal) to PCI while in * PCMCIA mode. We just leave this set all the time. * 3) Enable card insertion/removal interrupts in case the chip also * needs that while in PCMCIA mode. * 4) Clear any pending CSC interrupt. */ Pcic_write(ph, PCIC_INTR, PCIC_INTR_ENABLE | PCIC_INTR_RESET); if (sc->sc_chipset == CB_TI113X) { Pcic_write(ph, PCIC_CSC_INTR, 0); } else { Pcic_write(ph, PCIC_CSC_INTR, PCIC_CSC_INTR_CD_ENABLE); Pcic_read(ph, PCIC_CSC); } /* initialize pcmcia bus attachment */ paa->paa_busname = "pcmcia"; paa->pct = sc->sc_pct; paa->pch = ph; paa->iobase = 0; /* I don't use them */ paa->iosize = 0; rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot; paa->iobase = rb->rb_start + rb->rb_offset; paa->iosize = rb->rb_end - rb->rb_start; return; } #if 0 void pccbb_pcmcia_attach_card(struct pcic_handle *ph) { if (ph->flags & PCIC_FLAG_CARDP) { panic("pccbb_pcmcia_attach_card: already attached"); } /* call the MI attach function */ pcmcia_card_attach(ph->pcmcia); ph->flags |= PCIC_FLAG_CARDP; } void pccbb_pcmcia_detach_card(struct pcic_handle *ph, int flags) { if (!(ph->flags & PCIC_FLAG_CARDP)) { panic("pccbb_pcmcia_detach_card: already detached"); } ph->flags &= ~PCIC_FLAG_CARDP; /* call the MI detach function */ pcmcia_card_detach(ph->pcmcia, flags); } #endif int pccbb_checksockstat(struct pccbb_softc *sc) { u_int32_t sockstate; sockstate = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT); if ((sockstate & CB_SOCKET_STAT_CD) != 0) { /* A card should be removed. */ if (sc->sc_flags & CBB_CARDEXIST) { DPRINTF(("%s: card removed, 0x%08x\n", sc->sc_dev.dv_xname, sockstate)); sc->sc_flags &= ~CBB_CARDEXIST; if (sc->sc_csc->sc_status & CARDSLOT_STATUS_CARD_16) { #if 0 struct pcic_handle *ph = &sc->sc_pcmcia_h; pcmcia_card_deactivate(ph->pcmcia); pccbb_pcmcia_socket_disable(ph); pccbb_pcmcia_detach_card(ph, DETACH_FORCE); #endif cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_REMOVAL_16); } else if (sc->sc_csc->sc_status & CARDSLOT_STATUS_CARD_CB) { /* Cardbus intr removed */ cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_REMOVAL_CB); } } return (1); } else if ((sockstate & CB_SOCKET_STAT_CD) == 0 && (sc->sc_flags & CBB_CARDEXIST) == 0) { timeout_add_msec(&sc->sc_ins_tmo, 100); sc->sc_flags |= CBB_INSERTING; return (1); } return (0); } /* * int pccbbintr(arg) * void *arg; * This routine handles the interrupt from Yenta PCI-CardBus bridge * itself. */ int pccbbintr(void *arg) { struct pccbb_softc *sc = (struct pccbb_softc *)arg; u_int32_t sockevent; struct pcic_handle *ph = &sc->sc_pcmcia_h; if (!sc->sc_ints_on) return 0; sockevent = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_EVENT); bus_space_write_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_EVENT, sockevent); Pcic_read(ph, PCIC_CSC); if (sockevent & CB_SOCKET_EVENT_CD) { if (pccbb_checksockstat(sc)) return (1); } if (sc->sc_pil_intr_enable) return pccbbintr_function(sc); return (0); } /* * int pccbbintr_function(struct pccbb_softc *sc) * * This function calls each interrupt handler registered at the * bridge. The interrupt handlers are called in registered order. */ int pccbbintr_function(struct pccbb_softc *sc) { int retval = 0, val; struct pccbb_intrhand_list *pil; int s; for (pil = sc->sc_pil; pil != NULL; pil = pil->pil_next) { s = splraise(pil->pil_level); val = (*pil->pil_func)(pil->pil_arg); if (val != 0) pil->pil_count.ec_count++; splx(s); if (retval == 0 || val != 0) retval = val; } return retval; } void pci113x_insert(void *arg) { struct pccbb_softc *sc = (struct pccbb_softc *)arg; u_int32_t sockevent, sockstate; sockevent = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_EVENT); sockstate = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT); if (0 == (sockstate & CB_SOCKET_STAT_CD)) { /* card exist */ DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname, sockevent)); DPRINTF((" card inserted, 0x%08x\n", sockstate)); sc->sc_flags |= CBB_CARDEXIST; /* call pccard interrupt handler here */ if (sockstate & CB_SOCKET_STAT_16BIT) { /* 16-bit card found */ /* pccbb_pcmcia_attach_card(&sc->sc_pcmcia_h); */ cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_INSERTION_16); } else if (sockstate & CB_SOCKET_STAT_CB) { /* cardbus card found */ /* cardbus_attach_card(sc->sc_csc); */ cardslot_event_throw(sc->sc_csc, CARDSLOT_EVENT_INSERTION_CB); } else { /* who are you? */ } } else { timeout_add_msec(&sc->sc_ins_tmo, 100); } } #define PCCBB_PCMCIA_OFFSET 0x800 u_int8_t pccbb_pcmcia_read(struct pcic_handle *ph, int reg) { bus_space_barrier(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_READ); return bus_space_read_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg); } void pccbb_pcmcia_write(struct pcic_handle *ph, int reg, int val) { bus_space_barrier(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_WRITE); bus_space_write_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg, val); } /* * int pccbb_ctrl(cardbus_chipset_tag_t, int) */ int pccbb_ctrl(cardbus_chipset_tag_t ct, int command) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; switch (command) { case CARDBUS_CD: if (2 == pccbb_detect_card(sc)) { int retval = 0; int status = cb_detect_voltage(sc); if (PCCARD_VCC_5V & status) { retval |= CARDBUS_5V_CARD; } if (PCCARD_VCC_3V & status) { retval |= CARDBUS_3V_CARD; } if (PCCARD_VCC_XV & status) { retval |= CARDBUS_XV_CARD; } if (PCCARD_VCC_YV & status) { retval |= CARDBUS_YV_CARD; } return retval; } else { return 0; } break; case CARDBUS_RESET: return cb_reset(sc); break; case CARDBUS_IO_ENABLE: /* fallthrough */ case CARDBUS_IO_DISABLE: /* fallthrough */ case CARDBUS_MEM_ENABLE: /* fallthrough */ case CARDBUS_MEM_DISABLE: /* fallthrough */ case CARDBUS_BM_ENABLE: /* fallthrough */ case CARDBUS_BM_DISABLE: /* fallthrough */ return pccbb_cardenable(sc, command); break; } return 0; } /* * int pccbb_power(cardbus_chipset_tag_t, int) * This function returns true when it succeeds and returns false when * it fails. */ int pccbb_power(cardbus_chipset_tag_t ct, int command) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; u_int32_t status, sock_ctrl; bus_space_tag_t memt = sc->sc_base_memt; bus_space_handle_t memh = sc->sc_base_memh; DPRINTF(("pccbb_power: %s and %s [%x]\n", (command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" : "UNKNOWN", (command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" : "UNKNOWN", command)); status = bus_space_read_4(memt, memh, CB_SOCKET_STAT); sock_ctrl = bus_space_read_4(memt, memh, CB_SOCKET_CTRL); switch (command & CARDBUS_VCCMASK) { case CARDBUS_VCC_UC: break; case CARDBUS_VCC_5V: if (CB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */ sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; sock_ctrl |= CB_SOCKET_CTRL_VCC_5V; } else { printf("%s: BAD voltage request: no 5 V card\n", sc->sc_dev.dv_xname); } break; case CARDBUS_VCC_3V: if (CB_SOCKET_STAT_3VCARD & status) { sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; sock_ctrl |= CB_SOCKET_CTRL_VCC_3V; } else { printf("%s: BAD voltage request: no 3.3 V card\n", sc->sc_dev.dv_xname); } break; case CARDBUS_VCC_0V: sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK; break; default: return 0; /* power NEVER changed */ break; } switch (command & CARDBUS_VPPMASK) { case CARDBUS_VPP_UC: break; case CARDBUS_VPP_0V: sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; break; case CARDBUS_VPP_VCC: sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; sock_ctrl |= ((sock_ctrl >> 4) & 0x07); break; case CARDBUS_VPP_12V: sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK; sock_ctrl |= CB_SOCKET_CTRL_VPP_12V; break; } #if 0 DPRINTF(("sock_ctrl: %x\n", sock_ctrl)); #endif bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl); status = bus_space_read_4(memt, memh, CB_SOCKET_STAT); if (status & CB_SOCKET_STAT_BADVCC) { /* bad Vcc request */ printf ("%s: bad Vcc request. sock_ctrl 0x%x, sock_status 0x%x\n", sc->sc_dev.dv_xname, sock_ctrl, status); DPRINTF(("pccbb_power: %s and %s [%x]\n", (command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" : (command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" : "UNKNOWN", (command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" : (command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" : "UNKNOWN", command)); #if 0 if (command == (CARDBUS_VCC_0V | CARDBUS_VPP_0V)) { u_int32_t force = bus_space_read_4(memt, memh, CB_SOCKET_FORCE); /* Reset Bad Vcc request */ force &= ~CB_SOCKET_FORCE_BADVCC; bus_space_write_4(memt, memh, CB_SOCKET_FORCE, force); printf("new status 0x%x\n", bus_space_read_4(memt, memh, CB_SOCKET_STAT)); return 1; } #endif return 0; } /* * XXX delay 300 ms: though the standard defines that the Vcc set-up * time is 20 ms, some PC-Card bridge requires longer duration. */ delay(300 * 1000); return 1; /* power changed correctly */ } #if defined CB_PCMCIA_POLL struct cb_poll_str { void *arg; int (*func)(void *); int level; pccard_chipset_tag_t ct; int count; }; static struct cb_poll_str cb_poll[10]; static int cb_poll_n = 0; static struct timeout cb_poll_timeout; void cb_pcmcia_poll(void *arg); void cb_pcmcia_poll(void *arg) { struct cb_poll_str *poll = arg; struct cbb_pcmcia_softc *psc = (void *)poll->ct->v; struct pccbb_softc *sc = psc->cpc_parent; int s; u_int32_t spsr; /* socket present-state reg */ timeout_set(&cb_poll_timeout, cb_pcmcia_poll, arg); timeout_add_msec(&cb_poll_timeout, 1000 / 10); switch (poll->level) { case IPL_NET: s = splnet(); break; case IPL_BIO: s = splbio(); break; case IPL_TTY: /* fallthrough */ default: s = spltty(); break; } spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT); #if defined CB_PCMCIA_POLL_ONLY && defined LEVEL2 if (!(spsr & 0x40)) { /* CINT low */ #else if (1) { #endif if ((*poll->func) (poll->arg) == 1) { ++poll->count; printf("intr: reported from poller, 0x%x\n", spsr); #if defined LEVEL2 } else { printf("intr: miss! 0x%x\n", spsr); #endif } } splx(s); } #endif /* defined CB_PCMCIA_POLL */ /* * int pccbb_detect_card(struct pccbb_softc *sc) * return value: 0 if no card exists. * 1 if 16-bit card exists. * 2 if cardbus card exists. */ int pccbb_detect_card(struct pccbb_softc *sc) { bus_space_handle_t base_memh = sc->sc_base_memh; bus_space_tag_t base_memt = sc->sc_base_memt; u_int32_t sockstat = bus_space_read_4(base_memt, base_memh, CB_SOCKET_STAT); int retval = 0; /* * The SCM Microsystems TI1225-based PCI-CardBus dock card that * ships with some Lucent WaveLAN cards has only one physical slot * but OpenBSD probes two. The phantom card in the second slot can * be ignored by punting on unsupported voltages. */ if (sockstat & CB_SOCKET_STAT_XVCARD) return 0; /* CD1 and CD2 asserted */ if (0x00 == (sockstat & CB_SOCKET_STAT_CD)) { /* card must be present */ if (!(CB_SOCKET_STAT_NOTCARD & sockstat)) { /* NOTACARD DEASSERTED */ if (CB_SOCKET_STAT_CB & sockstat) { /* CardBus mode */ retval = 2; } else if (CB_SOCKET_STAT_16BIT & sockstat) { /* 16-bit mode */ retval = 1; } } } return retval; } /* * int cb_reset(struct pccbb_softc *sc) * This function resets CardBus card. */ int cb_reset(struct pccbb_softc *sc) { /* * Reset Assert at least 20 ms * Some machines request longer duration. */ int reset_duration = (sc->sc_chipset == CB_RX5C47X ? 400 : 50); u_int32_t bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); /* Reset bit Assert (bit 6 at 0x3E) */ bcr |= CB_BCR_RESET_ENABLE; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr); delay_ms(reset_duration, sc); if (CBB_CARDEXIST & sc->sc_flags) { /* A card exists. Reset it! */ /* Reset bit Deassert (bit 6 at 0x3E) */ bcr &= ~CB_BCR_RESET_ENABLE; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr); delay_ms(reset_duration, sc); } /* No card found on the slot. Keep Reset. */ return 1; } /* * int cb_detect_voltage(struct pccbb_softc *sc) * This function detect card Voltage. */ int cb_detect_voltage(struct pccbb_softc *sc) { u_int32_t psr; /* socket present-state reg */ bus_space_tag_t iot = sc->sc_base_memt; bus_space_handle_t ioh = sc->sc_base_memh; int vol = PCCARD_VCC_UKN; /* set 0 */ psr = bus_space_read_4(iot, ioh, CB_SOCKET_STAT); if (0x400u & psr) { vol |= PCCARD_VCC_5V; } if (0x800u & psr) { vol |= PCCARD_VCC_3V; } return vol; } int cbbprint(void *aux, const char *pcic) { /* struct cbslot_attach_args *cba = aux; if (cba->cba_slot >= 0) { printf(" slot %d", cba->cba_slot); } */ return UNCONF; } /* * int pccbb_cardenable(struct pccbb_softc *sc, int function) * This function enables and disables the card */ int pccbb_cardenable(struct pccbb_softc *sc, int function) { u_int32_t command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); DPRINTF(("pccbb_cardenable:")); switch (function) { case CARDBUS_IO_ENABLE: command |= PCI_COMMAND_IO_ENABLE; break; case CARDBUS_IO_DISABLE: command &= ~PCI_COMMAND_IO_ENABLE; break; case CARDBUS_MEM_ENABLE: command |= PCI_COMMAND_MEM_ENABLE; break; case CARDBUS_MEM_DISABLE: command &= ~PCI_COMMAND_MEM_ENABLE; break; case CARDBUS_BM_ENABLE: command |= PCI_COMMAND_MASTER_ENABLE; break; case CARDBUS_BM_DISABLE: command &= ~PCI_COMMAND_MASTER_ENABLE; break; default: return 0; } pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command); DPRINTF((" command reg 0x%x\n", command)); return 1; } /* * void *pccbb_cb_intr_establish(cardbus_chipset_tag_t ct, * int irq, * int level, * int (* func)(void *), * void *arg, * const char *name) * * This function registers an interrupt handler at the bridge, in * order not to call the interrupt handlers of child devices when * a card-deletion interrupt occurs. * * The arguments irq is not used because pccbb selects intr vector. */ void * pccbb_cb_intr_establish(cardbus_chipset_tag_t ct, int irq, int level, int (*func)(void *), void *arg, const char *name) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; return pccbb_intr_establish(sc, irq, level, func, arg, name); } /* * void *pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, * void *ih) * * This function removes an interrupt handler pointed by ih. */ void pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, void *ih) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; pccbb_intr_disestablish(sc, ih); } /* * void *pccbb_intr_establish(struct pccbb_softc *sc, * int irq, * int level, * int (* func)(void *), * void *arg, * const char *name) * * This function registers an interrupt handler at the bridge, in * order not to call the interrupt handlers of child devices when * a card-deletion interrupt occurs. * * The arguments irq and level are not used. */ void * pccbb_intr_establish(struct pccbb_softc *sc, int irq, int level, int (*func)(void *), void *arg, const char *name) { struct pccbb_intrhand_list *pil, *newpil; pcireg_t reg; DPRINTF(("pccbb_intr_establish start. %p\n", sc->sc_pil)); if (sc->sc_pil == NULL) { /* initialize bridge intr routing */ reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); reg &= ~CB_BCR_INTR_IREQ_ENABLE; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, reg); switch (sc->sc_chipset) { case CB_TI113X: reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL); /* functional intr enabled */ reg |= PCI113X_CBCTRL_PCI_INTR; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, reg); break; default: break; } } /* * Allocate a room for interrupt handler structure. */ newpil = (struct pccbb_intrhand_list *) malloc(sizeof(struct pccbb_intrhand_list), M_DEVBUF, M_WAITOK); newpil->pil_func = func; newpil->pil_arg = arg; newpil->pil_level = level; evcount_attach(&newpil->pil_count, name, &sc->sc_intrline); newpil->pil_next = NULL; if (sc->sc_pil == NULL) { sc->sc_pil = newpil; } else { for (pil = sc->sc_pil; pil->pil_next != NULL; pil = pil->pil_next); pil->pil_next = newpil; } DPRINTF(("pccbb_intr_establish add pil. %p\n", sc->sc_pil)); return newpil; } /* * void *pccbb_intr_disestablish(struct pccbb_softc *sc, * void *ih) * * This function removes an interrupt handler pointed by ih. */ void pccbb_intr_disestablish(struct pccbb_softc *sc, void *ih) { struct pccbb_intrhand_list *pil, **pil_prev; pcireg_t reg; DPRINTF(("pccbb_intr_disestablish start. %p\n", sc->sc_pil)); pil_prev = &sc->sc_pil; for (pil = sc->sc_pil; pil != NULL; pil = pil->pil_next) { if (pil == ih) { evcount_detach(&pil->pil_count); *pil_prev = pil->pil_next; free(pil, M_DEVBUF, sizeof *pil); DPRINTF(("pccbb_intr_disestablish frees one pil\n")); break; } pil_prev = &pil->pil_next; } if (sc->sc_pil == NULL) { /* No interrupt handlers */ DPRINTF(("pccbb_intr_disestablish: no interrupt handler\n")); /* stop routing PCI intr */ reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR); reg |= CB_BCR_INTR_IREQ_ENABLE; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, reg); switch (sc->sc_chipset) { case CB_TI113X: reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL); /* functional intr disabled */ reg &= ~PCI113X_CBCTRL_PCI_INTR; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, reg); break; default: break; } } } #if defined SHOW_REGS void cb_show_regs(pci_chipset_tag_t pc, pcitag_t tag, bus_space_tag_t memt, bus_space_handle_t memh) { int i; printf("PCI config regs:"); for (i = 0; i < 0x50; i += 4) { if (i % 16 == 0) { printf("\n 0x%02x:", i); } printf(" %08x", pci_conf_read(pc, tag, i)); } for (i = 0x80; i < 0xb0; i += 4) { if (i % 16 == 0) { printf("\n 0x%02x:", i); } printf(" %08x", pci_conf_read(pc, tag, i)); } if (memh == 0) { printf("\n"); return; } printf("\nsocket regs:"); for (i = 0; i <= 0x10; i += 0x04) { printf(" %08x", bus_space_read_4(memt, memh, i)); } printf("\nExCA regs:"); for (i = 0; i < 0x08; ++i) { printf(" %02x", bus_space_read_1(memt, memh, 0x800 + i)); } printf("\n"); return; } #endif /* * int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t pch, * bus_addr_t start, bus_size_t size, * bus_size_t align, * struct pcmcia_io_handle *pcihp * * This function only allocates I/O region for pccard. This function * never maps the allocated region to pccard I/O area. * * XXX: The interface of this function is not very good, I believe. */ int pccbb_pcmcia_io_alloc(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 *ph = (struct pcic_handle *)pch; bus_addr_t ioaddr; int flags = 0; bus_space_tag_t iot; bus_space_handle_t ioh; bus_addr_t mask; rbus_tag_t rb; if (align == 0) { align = size; /* XXX: funny??? */ } if (start != 0) { /* XXX: assume all card decode lower 10 bits by its hardware */ mask = 0x3ff; /* enforce to use only masked address */ start &= mask; } else { /* * calculate mask: * 1. get the most significant bit of size (call it msb). * 2. compare msb with the value of size. * 3. if size is larger, shift msb left once. * 4. obtain mask value to decrement msb. */ bus_size_t size_tmp = size; int shifts = 0; while (size_tmp) { ++shifts; size_tmp >>= 1; } mask = (1 << shifts); if (mask < size) { mask <<= 1; } mask--; } /* * Allocate some arbitrary I/O space. */ iot = ((struct pccbb_softc *)(ph->ph_parent))->sc_iot; rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot; if (rbus_space_alloc(rb, start, size, mask, align, 0, &ioaddr, &ioh)) { return 1; } pcihp->iot = iot; pcihp->ioh = ioh; pcihp->addr = ioaddr; pcihp->size = size; pcihp->flags = flags; return 0; } /* * int pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch, * struct pcmcia_io_handle *pcihp) * * This function only frees I/O region for pccard. * * XXX: The interface of this function is not very good, I believe. */ void pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch, struct pcmcia_io_handle *pcihp) { bus_space_handle_t ioh = pcihp->ioh; bus_size_t size = pcihp->size; struct pccbb_softc *sc = (struct pccbb_softc *)((struct pcic_handle *)pch)->ph_parent; rbus_tag_t rb = sc->sc_rbus_iot; rbus_space_free(rb, ioh, size, NULL); } /* * int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t pch, int width, * bus_addr_t offset, bus_size_t size, * struct pcmcia_io_handle *pcihp, * int *windowp) * * This function maps the allocated I/O region to pccard. This function * never allocates any I/O region for pccard I/O area. I don't * understand why the original authors of pcmciabus separated alloc and * map. I believe the two must be unite. * * XXX: no wait timing control? */ int pccbb_pcmcia_io_map(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 *ph = (struct pcic_handle *)pch; bus_addr_t ioaddr = pcihp->addr + offset; int i, win; #if defined CBB_DEBUG static char *width_names[] = { "dynamic", "io8", "io16" }; #endif /* Sanity check I/O handle. */ if (((struct pccbb_softc *)ph->ph_parent)->sc_iot != pcihp->iot) { panic("pccbb_pcmcia_io_map iot is bogus"); } /* XXX Sanity check offset/size. */ win = -1; for (i = 0; i < PCIC_IO_WINS; i++) { if ((ph->ioalloc & (1 << i)) == 0) { win = i; ph->ioalloc |= (1 << i); break; } } if (win == -1) { return 1; } *windowp = win; /* XXX this is pretty gross */ DPRINTF(("pccbb_pcmcia_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? */ #if 0 printf(" port 0x%lx", (u_long) ioaddr); if (size > 1) { printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1); } #endif ph->io[win].addr = ioaddr; ph->io[win].size = size; ph->io[win].width = width; /* actual dirty register-value changing in the function below. */ pccbb_pcmcia_do_io_map(ph, win); return 0; } /* * void pccbb_pcmcia_do_io_map(struct pcic_handle *h, int win) * * This function changes register-value to map I/O region for pccard. */ void pccbb_pcmcia_do_io_map(struct pcic_handle *ph, int win) { static u_int8_t pcic_iowidth[3] = { 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, }; #define PCIC_SIA_START_LOW 0 #define PCIC_SIA_START_HIGH 1 #define PCIC_SIA_STOP_LOW 2 #define PCIC_SIA_STOP_HIGH 3 int regbase_win = 0x8 + win * 0x04; u_int8_t ioctl, enable; DPRINTF( ("pccbb_pcmcia_do_io_map win %d addr 0x%lx size 0x%lx width %d\n", win, (long)ph->io[win].addr, (long)ph->io[win].size, ph->io[win].width * 8)); Pcic_write(ph, regbase_win + PCIC_SIA_START_LOW, ph->io[win].addr & 0xff); Pcic_write(ph, regbase_win + PCIC_SIA_START_HIGH, (ph->io[win].addr >> 8) & 0xff); Pcic_write(ph, regbase_win + PCIC_SIA_STOP_LOW, (ph->io[win].addr + ph->io[win].size - 1) & 0xff); Pcic_write(ph, regbase_win + PCIC_SIA_STOP_HIGH, ((ph->io[win].addr + ph->io[win].size - 1) >> 8) & 0xff); ioctl = Pcic_read(ph, PCIC_IOCTL); enable = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); switch (win) { case 0: ioctl &= ~(PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT | PCIC_IOCTL_IO0_IOCS16SRC_MASK | PCIC_IOCTL_IO0_DATASIZE_MASK); ioctl |= pcic_iowidth[ph->io[win].width]; enable |= PCIC_ADDRWIN_ENABLE_IO0; break; case 1: ioctl &= ~(PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT | PCIC_IOCTL_IO1_IOCS16SRC_MASK | PCIC_IOCTL_IO1_DATASIZE_MASK); ioctl |= (pcic_iowidth[ph->io[win].width] << 4); enable |= PCIC_ADDRWIN_ENABLE_IO1; break; } Pcic_write(ph, PCIC_IOCTL, ioctl); Pcic_write(ph, PCIC_ADDRWIN_ENABLE, enable); #if defined CBB_DEBUG { u_int8_t start_low = Pcic_read(ph, regbase_win + PCIC_SIA_START_LOW); u_int8_t start_high = Pcic_read(ph, regbase_win + PCIC_SIA_START_HIGH); u_int8_t stop_low = Pcic_read(ph, regbase_win + PCIC_SIA_STOP_LOW); u_int8_t stop_high = Pcic_read(ph, regbase_win + PCIC_SIA_STOP_HIGH); printf (" start %02x %02x, stop %02x %02x, ioctl %02x enable %02x\n", start_low, start_high, stop_low, stop_high, ioctl, enable); } #endif } /* * void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t *h, int win) * * This function unmaps I/O region. No return value. */ void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t pch, int win) { struct pcic_handle *ph = (struct pcic_handle *)pch; int reg; if (win >= PCIC_IO_WINS || win < 0) { panic("pccbb_pcmcia_io_unmap: window out of range"); } reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); switch (win) { case 0: reg &= ~PCIC_ADDRWIN_ENABLE_IO0; break; case 1: reg &= ~PCIC_ADDRWIN_ENABLE_IO1; break; } Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); ph->ioalloc &= ~(1 << win); } /* * void pccbb_pcmcia_wait_ready(struct pcic_handle *ph) * * This function enables the card. All information is stored in * the first argument, pcmcia_chipset_handle_t. */ void pccbb_pcmcia_wait_ready(struct pcic_handle *ph) { int i; DPRINTF(("pccbb_pcmcia_wait_ready: status 0x%02x\n", Pcic_read(ph, PCIC_IF_STATUS))); for (i = 0; i < 10000; i++) { if (Pcic_read(ph, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) { return; } delay(500); #ifdef CBB_DEBUG if ((i > 5000) && (i % 100 == 99)) printf("."); #endif } #ifdef DIAGNOSTIC printf("pcic_wait_ready: ready never happened, status = %02x\n", Pcic_read(ph, PCIC_IF_STATUS)); #endif } /* * void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch) * * This function enables the card. All information is stored in * the first argument, pcmcia_chipset_handle_t. */ void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; int cardtype, win; u_int8_t power, intr; pcireg_t spsr; int voltage; /* this bit is mostly stolen from pcic_attach_card */ DPRINTF(("pccbb_pcmcia_socket_enable: ")); /* get card Vcc info */ spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT); if (spsr & CB_SOCKET_STAT_5VCARD) { DPRINTF(("5V card\n")); voltage = CARDBUS_VCC_5V | CARDBUS_VPP_VCC; } else if (spsr & CB_SOCKET_STAT_3VCARD) { DPRINTF(("3V card\n")); voltage = CARDBUS_VCC_3V | CARDBUS_VPP_VCC; } else { DPRINTF(("?V card, 0x%x\n", spsr)); /* XXX */ return; } /* disable socket i/o: negate output enable bit */ power = 0; Pcic_write(ph, PCIC_PWRCTL, power); /* power down the socket to reset it, clear the card reset pin */ pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); /* * wait 200ms until power fails (Tpf). Then, wait 100ms since * we are changing Vcc (Toff). */ /* delay(300*1000); too much */ /* assert reset bit */ intr = Pcic_read(ph, PCIC_INTR); intr &= ~(PCIC_INTR_RESET | PCIC_INTR_CARDTYPE_MASK); Pcic_write(ph, PCIC_INTR, intr); /* Power up the socket. */ power = Pcic_read(ph, PCIC_PWRCTL); Pcic_write(ph, PCIC_PWRCTL, (power & ~PCIC_PWRCTL_OE)); pccbb_power((cardbus_chipset_tag_t)sc, voltage); /* Now output enable */ power = Pcic_read(ph, PCIC_PWRCTL); Pcic_write(ph, PCIC_PWRCTL, power | PCIC_PWRCTL_OE); /* * hold RESET at least 10us. */ delay(10); delay(2 * 1000); /* XXX: TI1130 requires it. */ delay(20 * 1000); /* XXX: TI1130 requires it. */ /* clear the reset flag */ intr |= PCIC_INTR_RESET; Pcic_write(ph, PCIC_INTR, intr); /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ delay(20000); /* wait for the chip to finish initializing */ pccbb_pcmcia_wait_ready(ph); /* zero out the address windows */ Pcic_write(ph, PCIC_ADDRWIN_ENABLE, 0); /* set the card type */ cardtype = pcmcia_card_gettype(ph->pcmcia); intr |= ((cardtype == PCMCIA_IFTYPE_IO) ? PCIC_INTR_CARDTYPE_IO : PCIC_INTR_CARDTYPE_MEM); Pcic_write(ph, PCIC_INTR, intr); DPRINTF(("%s: pccbb_pcmcia_socket_enable %02x cardtype %s %02x\n", ph->ph_parent->dv_xname, ph->sock, ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr)); /* reinstall all the memory and io mappings */ for (win = 0; win < PCIC_MEM_WINS; ++win) { if (ph->memalloc & (1 << win)) { pccbb_pcmcia_do_mem_map(ph, win); } } for (win = 0; win < PCIC_IO_WINS; ++win) { if (ph->ioalloc & (1 << win)) { pccbb_pcmcia_do_io_map(ph, win); } } } /* * void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t *ph) * * This function disables the card. All information is stored in * the first argument, pcmcia_chipset_handle_t. */ void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t pch) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; u_int8_t power, intr; DPRINTF(("pccbb_pcmcia_socket_disable\n")); /* reset signal asserting... */ intr = Pcic_read(ph, PCIC_INTR); intr &= ~(PCIC_INTR_CARDTYPE_MASK); Pcic_write(ph, PCIC_INTR, intr); delay(2 * 1000); /* power down the socket */ power = Pcic_read(ph, PCIC_PWRCTL); power &= ~PCIC_PWRCTL_OE; Pcic_write(ph, PCIC_PWRCTL, power); pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V); /* * wait 300ms until power fails (Tpf). */ delay(300 * 1000); } /* * int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t *ph) * * This function detects whether a card is in the slot or not. * If a card is inserted, return 1. Otherwise, return 0. */ int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t pch) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; DPRINTF(("pccbb_pcmcia_card_detect\n")); return pccbb_detect_card(sc) == 1 ? 1 : 0; } /* * int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch, * bus_size_t size, * struct pcmcia_mem_handle *pcmhp) * * This function only allocates memory region for pccard. This * function never maps the allocated region to pccard memory area. * * XXX: Why the argument of start address is not in? */ int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size, struct pcmcia_mem_handle *pcmhp) { struct pcic_handle *ph = (struct pcic_handle *)pch; bus_space_handle_t memh; bus_addr_t addr; bus_size_t sizepg; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; rbus_tag_t rb; /* out of sc->memh, allocate as many pages as necessary */ /* convert size to PCIC pages */ /* * This is not enough; when the requested region is on the page * boundaries, this may calculate wrong result. */ sizepg = (size + (PCIC_MEM_PAGESIZE - 1)) / PCIC_MEM_PAGESIZE; #if 0 if (sizepg > PCIC_MAX_MEM_PAGES) { return 1; } #endif if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32)) { return 1; } addr = 0; /* XXX gcc -Wuninitialized */ rb = sc->sc_rbus_memt; if (rbus_space_alloc(rb, 0, sizepg * PCIC_MEM_PAGESIZE, sizepg * PCIC_MEM_PAGESIZE - 1, PCIC_MEM_PAGESIZE, 0, &addr, &memh)) { return 1; } DPRINTF( ("pccbb_pcmcia_alloc_mem: addr 0x%lx size 0x%lx, realsize 0x%lx\n", addr, size, sizepg * PCIC_MEM_PAGESIZE)); pcmhp->memt = sc->sc_memt; pcmhp->memh = memh; pcmhp->addr = addr; pcmhp->size = size; pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE; /* What is mhandle? I feel it is very dirty and it must go trush. */ pcmhp->mhandle = 0; /* No offset??? Funny. */ return 0; } /* * void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch, * struct pcmcia_mem_handle *pcmhp) * * This function release the memory space allocated by the function * pccbb_pcmcia_mem_alloc(). */ void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch, struct pcmcia_mem_handle *pcmhp) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; rbus_space_free(sc->sc_rbus_memt, pcmhp->memh, pcmhp->realsize, NULL); } /* * void pccbb_pcmcia_do_mem_map(struct pcic_handle *ph, int win) * * This function release the memory space allocated by the function * pccbb_pcmcia_mem_alloc(). */ void pccbb_pcmcia_do_mem_map(struct pcic_handle *ph, int win) { int regbase_win; bus_addr_t phys_addr; bus_addr_t phys_end; #define PCIC_SMM_START_LOW 0 #define PCIC_SMM_START_HIGH 1 #define PCIC_SMM_STOP_LOW 2 #define PCIC_SMM_STOP_HIGH 3 #define PCIC_CMA_LOW 4 #define PCIC_CMA_HIGH 5 u_int8_t start_low, start_high = 0; u_int8_t stop_low, stop_high; u_int8_t off_low, off_high; u_int8_t mem_window; int reg; regbase_win = 0x10 + win * 0x08; phys_addr = ph->mem[win].addr; phys_end = phys_addr + ph->mem[win].size; DPRINTF(("pccbb_pcmcia_do_mem_map: start 0x%lx end 0x%lx off 0x%lx\n", phys_addr, phys_end, ph->mem[win].offset)); #define PCIC_MEMREG_LSB_SHIFT PCIC_SYSMEM_ADDRX_SHIFT #define PCIC_MEMREG_MSB_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 8) #define PCIC_MEMREG_WIN_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 12) /* bit 19:12 */ start_low = (phys_addr >> PCIC_MEMREG_LSB_SHIFT) & 0xff; /* bit 23:20 and bit 7 on */ start_high = ((phys_addr >> PCIC_MEMREG_MSB_SHIFT) & 0x0f) | PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT; /* bit 7 on */ /* bit 31:24, for 32-bit address */ mem_window = (phys_addr >> PCIC_MEMREG_WIN_SHIFT) & 0xff; Pcic_write(ph, regbase_win + PCIC_SMM_START_LOW, start_low); Pcic_write(ph, regbase_win + PCIC_SMM_START_HIGH, start_high); if (((struct pccbb_softc *)ph-> ph_parent)->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { Pcic_write(ph, 0x40 + win, mem_window); } stop_low = (phys_end >> PCIC_MEMREG_LSB_SHIFT) & 0xff; stop_high = ((phys_end >> PCIC_MEMREG_MSB_SHIFT) & 0x0f) | PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2; /* wait 2 cycles */ /* XXX Geee, WAIT2!! Crazy!! I must rewrite this routine. */ Pcic_write(ph, regbase_win + PCIC_SMM_STOP_LOW, stop_low); Pcic_write(ph, regbase_win + PCIC_SMM_STOP_HIGH, stop_high); off_low = (ph->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff; off_high = ((ph->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8)) & PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK) | ((ph->mem[win].kind == PCMCIA_MEM_ATTR) ? PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0); Pcic_write(ph, regbase_win + PCIC_CMA_LOW, off_low); Pcic_write(ph, regbase_win + PCIC_CMA_HIGH, off_high); reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); reg |= ((1 << win) | PCIC_ADDRWIN_ENABLE_MEMCS16); Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); #if defined CBB_DEBUG { int r1, r2, r3, r4, r5, r6, r7 = 0; r1 = Pcic_read(ph, regbase_win + PCIC_SMM_START_LOW); r2 = Pcic_read(ph, regbase_win + PCIC_SMM_START_HIGH); r3 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_LOW); r4 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_HIGH); r5 = Pcic_read(ph, regbase_win + PCIC_CMA_LOW); r6 = Pcic_read(ph, regbase_win + PCIC_CMA_HIGH); if (((struct pccbb_softc *)(ph-> ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { r7 = Pcic_read(ph, 0x40 + win); } DPRINTF(("pccbb_pcmcia_do_mem_map window %d: %02x%02x %02x%02x " "%02x%02x", win, r1, r2, r3, r4, r5, r6)); if (((struct pccbb_softc *)(ph-> ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) { DPRINTF((" %02x", r7)); } DPRINTF(("\n")); } #endif } /* * int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind, * bus_addr_t card_addr, bus_size_t size, * struct pcmcia_mem_handle *pcmhp, * bus_size_t *offsetp, int *windowp) * * This function maps memory space allocated by the function * pccbb_pcmcia_mem_alloc(). */ int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind, bus_addr_t card_addr, bus_size_t size, struct pcmcia_mem_handle *pcmhp, bus_size_t *offsetp, int *windowp) { struct pcic_handle *ph = (struct pcic_handle *)pch; bus_addr_t busaddr; long card_offset; int win; for (win = 0; win < PCIC_MEM_WINS; ++win) { if ((ph->memalloc & (1 << win)) == 0) { ph->memalloc |= (1 << win); break; } } if (win == PCIC_MEM_WINS) { return 1; } *windowp = win; /* XXX this is pretty gross */ if (((struct pccbb_softc *)ph->ph_parent)->sc_memt != pcmhp->memt) { panic("pccbb_pcmcia_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_PAGESIZE; card_addr -= *offsetp; DPRINTF(("pccbb_pcmcia_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)); ph->mem[win].addr = busaddr; ph->mem[win].size = size; ph->mem[win].offset = card_offset; ph->mem[win].kind = kind; pccbb_pcmcia_do_mem_map(ph, win); return 0; } /* * int pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch, * int window) * * This function unmaps memory space which mapped by the function * pccbb_pcmcia_mem_map(). */ void pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch, int window) { struct pcic_handle *ph = (struct pcic_handle *)pch; int reg; if (window >= PCIC_MEM_WINS) { panic("pccbb_pcmcia_mem_unmap: window out of range"); } reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE); reg &= ~(1 << window); Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg); ph->memalloc &= ~(1 << window); } #if defined PCCBB_PCMCIA_POLL struct pccbb_poll_str { void *arg; int (*func)(void *); int level; struct pcic_handle *ph; int count; int num; }; static struct pccbb_poll_str pccbb_poll[10]; static int pccbb_poll_n = 0; static struct timeout pccbb_poll_timeout; void pccbb_pcmcia_poll(void *arg); void pccbb_pcmcia_poll(void *arg) { struct pccbb_poll_str *poll = arg; struct pcic_handle *ph = poll->ph; struct pccbb_softc *sc = ph->sc; int s; u_int32_t spsr; /* socket present-state reg */ timeout_set(&pccbb_poll_timeout, pccbb_pcmcia_poll, arg); timeout_add_sec(&pccbb_poll_timeout, 2); switch (poll->level) { case IPL_NET: s = splnet(); break; case IPL_BIO: s = splbio(); break; case IPL_TTY: /* fallthrough */ default: s = spltty(); break; } spsr = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_STAT); #if defined PCCBB_PCMCIA_POLL_ONLY && defined LEVEL2 if (!(spsr & 0x40)) /* CINT low */ #else if (1) #endif { if ((*poll->func) (poll->arg) > 0) { ++poll->count; /* printf("intr: reported from poller, 0x%x\n", spsr); */ #if defined LEVEL2 } else { printf("intr: miss! 0x%x\n", spsr); #endif } } splx(s); } #endif /* defined CB_PCMCIA_POLL */ /* * void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch, * struct pcmcia_function *pf, * int ipl, * int (*func)(void *), * void *arg); * * This function enables PC-Card interrupt. PCCBB uses PCI interrupt line. */ void * pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch, struct pcmcia_function *pf, int ipl, int (*func)(void *), void *arg, char *xname) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; if (!(pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) { /* what should I do? */ if ((pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) { DPRINTF( ("%s does not provide edge nor pulse interrupt\n", sc->sc_dev.dv_xname)); return NULL; } /* * XXX Noooooo! The interrupt flag must set properly!! * dumb pcmcia driver!! */ } return pccbb_intr_establish(sc, -1, ipl, func, arg, xname); } /* * void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch, * void *ih) * * This function disables PC-Card interrupt. */ void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih) { struct pcic_handle *ph = (struct pcic_handle *)pch; struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent; pccbb_intr_disestablish(sc, ih); } const char * pccbb_pcmcia_intr_string(pcmcia_chipset_handle_t pch, void *ih) { if (ih == NULL) return "couldn't establish interrupt"; else return ""; /* card shares interrupt of the bridge */ } /* * int * pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb, * bus_addr_t addr, bus_size_t size, * bus_addr_t mask, bus_size_t align, * int flags, bus_addr_t *addrp; * bus_space_handle_t *bshp) * * This function allocates a portion of memory or io space for * clients. This function is called from CardBus card drivers. */ int pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb, bus_addr_t addr, bus_size_t size, bus_addr_t mask, bus_size_t align, int flags, bus_addr_t *addrp, bus_space_handle_t *bshp) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; DPRINTF( ("pccbb_rbus_cb_space_alloc: adr %lx, size %lx, mask %lx, align %lx\n", addr, size, mask, align)); align = max(align, 4); mask = max(mask, (4 - 1)); if (rb->rb_bt == sc->sc_memt) { align = max(align, 0x1000); mask = max(mask, (0x1000 - 1)); } if (rb->rb_bt == sc->sc_iot) { /* XXX: hack for avoiding ISA image */ if (mask < 0x0100) { mask = 0x3ff; addr = 0x300; } } if (rbus_space_alloc(rb, addr, size, mask, align, flags, addrp, bshp)) { printf("%s: no bus space\n", sc->sc_dev.dv_xname); return 1; } pccbb_open_win(sc, rb->rb_bt, *addrp, size, *bshp, 0); return 0; } /* * int * pccbb_rbus_cb_space_free(cardbus_chipset_tag_t *ct, rbus_tag_t rb, * bus_space_handle_t *bshp, bus_size_t size); * * This function is called from CardBus card drivers. */ int pccbb_rbus_cb_space_free(cardbus_chipset_tag_t ct, rbus_tag_t rb, bus_space_handle_t bsh, bus_size_t size) { struct pccbb_softc *sc = (struct pccbb_softc *)ct; bus_space_tag_t bt = rb->rb_bt; pccbb_close_win(sc, bt, bsh, size); if (bt == sc->sc_memt) { } else if (bt == sc->sc_iot) { } else { return 1; /* XXX: panic here? */ } return rbus_space_free(rb, bsh, size, NULL); } int pccbb_open_win(struct pccbb_softc *sc, bus_space_tag_t bst, bus_addr_t addr, bus_size_t size, bus_space_handle_t bsh, int flags) { struct pccbb_win_chain_head *head; bus_addr_t align; head = &sc->sc_iowindow; align = 0x04; if (sc->sc_memt == bst) { head = &sc->sc_memwindow; align = 0x1000; DPRINTF(("using memory window, %x %x %x\n\n", sc->sc_iot, sc->sc_memt, bst)); } if (pccbb_winlist_insert(head, addr, size, bsh, flags)) { printf("%s: pccbb_open_win: %s winlist insert failed\n", sc->sc_dev.dv_xname, (head == &sc->sc_memwindow) ? "mem" : "io"); } pccbb_winset(align, sc, bst); return 0; } int pccbb_close_win(struct pccbb_softc *sc, bus_space_tag_t bst, bus_space_handle_t bsh, bus_size_t size) { struct pccbb_win_chain_head *head; bus_addr_t align; head = &sc->sc_iowindow; align = 0x04; if (sc->sc_memt == bst) { head = &sc->sc_memwindow; align = 0x1000; } if (pccbb_winlist_delete(head, bsh, size)) { printf("%s: pccbb_close_win: %s winlist delete failed\n", sc->sc_dev.dv_xname, (head == &sc->sc_memwindow) ? "mem" : "io"); } pccbb_winset(align, sc, bst); return 0; } int pccbb_winlist_insert(struct pccbb_win_chain_head *head, bus_addr_t start, bus_size_t size, bus_space_handle_t bsh, int flags) { struct pccbb_win_chain *chainp, *elem; if ((elem = malloc(sizeof(struct pccbb_win_chain), M_DEVBUF, M_NOWAIT)) == NULL) return (1); /* fail */ elem->wc_start = start; elem->wc_end = start + (size - 1); elem->wc_handle = bsh; elem->wc_flags = flags; for (chainp = TAILQ_FIRST(head); chainp != NULL; chainp = TAILQ_NEXT(chainp, wc_list)) { if (chainp->wc_end < start) continue; TAILQ_INSERT_AFTER(head, chainp, elem, wc_list); return (0); } TAILQ_INSERT_TAIL(head, elem, wc_list); return (0); } int pccbb_winlist_delete(struct pccbb_win_chain_head *head, bus_space_handle_t bsh, bus_size_t size) { struct pccbb_win_chain *chainp; for (chainp = TAILQ_FIRST(head); chainp != NULL; chainp = TAILQ_NEXT(chainp, wc_list)) { if (memcmp(&chainp->wc_handle, &bsh, sizeof(bsh))) continue; if ((chainp->wc_end - chainp->wc_start) != (size - 1)) { printf("pccbb_winlist_delete: window 0x%lx size " "inconsistent: 0x%lx, 0x%lx\n", chainp->wc_start, chainp->wc_end - chainp->wc_start, size - 1); return 1; } TAILQ_REMOVE(head, chainp, wc_list); free(chainp, M_DEVBUF, sizeof *chainp); return 0; } return 1; /* fail: no candidate to remove */ } void pccbb_winset(bus_addr_t align, struct pccbb_softc *sc, bus_space_tag_t bst) { pci_chipset_tag_t pc; pcitag_t tag; bus_addr_t mask = ~(align - 1); struct { pcireg_t win_start; pcireg_t win_limit; int win_flags; } win[2]; struct pccbb_win_chain *chainp; int offs; win[0].win_start = win[1].win_start = 0xffffffff; win[0].win_limit = win[1].win_limit = 0; win[0].win_flags = win[1].win_flags = 0; chainp = TAILQ_FIRST(&sc->sc_iowindow); offs = PCI_CB_IOBASE0; if (sc->sc_memt == bst) { chainp = TAILQ_FIRST(&sc->sc_memwindow); offs = PCI_CB_MEMBASE0; } if (chainp != NULL) { win[0].win_start = chainp->wc_start & mask; win[0].win_limit = chainp->wc_end & mask; win[0].win_flags = chainp->wc_flags; chainp = TAILQ_NEXT(chainp, wc_list); } for (; chainp != NULL; chainp = TAILQ_NEXT(chainp, wc_list)) { if (win[1].win_start == 0xffffffff) { /* window 1 is not used */ if ((win[0].win_flags == chainp->wc_flags) && (win[0].win_limit + align >= (chainp->wc_start & mask))) { /* concatenate */ win[0].win_limit = chainp->wc_end & mask; } else { /* make new window */ win[1].win_start = chainp->wc_start & mask; win[1].win_limit = chainp->wc_end & mask; win[1].win_flags = chainp->wc_flags; } continue; } /* Both windows are engaged. */ if (win[0].win_flags == win[1].win_flags) { /* same flags */ if (win[0].win_flags == chainp->wc_flags) { if (win[1].win_start - (win[0].win_limit + align) < (chainp->wc_start & mask) - ((chainp->wc_end & mask) + align)) { /* * merge window 0 and 1, and set win1 * to chainp */ win[0].win_limit = win[1].win_limit; win[1].win_start = chainp->wc_start & mask; win[1].win_limit = chainp->wc_end & mask; } else { win[1].win_limit = chainp->wc_end & mask; } } else { /* different flags */ /* concatenate win0 and win1 */ win[0].win_limit = win[1].win_limit; /* allocate win[1] to new space */ win[1].win_start = chainp->wc_start & mask; win[1].win_limit = chainp->wc_end & mask; win[1].win_flags = chainp->wc_flags; } } else { /* the flags of win[0] and win[1] are different */ if (win[0].win_flags == chainp->wc_flags) { win[0].win_limit = chainp->wc_end & mask; /* * XXX this creates overlapping windows, so * what should the poor bridge do if one is * cachable, and the other is not? */ printf("%s: overlapping windows\n", sc->sc_dev.dv_xname); } else { win[1].win_limit = chainp->wc_end & mask; } } } pc = sc->sc_pc; tag = sc->sc_tag; pci_conf_write(pc, tag, offs, win[0].win_start); pci_conf_write(pc, tag, offs + 4, win[0].win_limit); pci_conf_write(pc, tag, offs + 8, win[1].win_start); pci_conf_write(pc, tag, offs + 12, win[1].win_limit); DPRINTF(("--pccbb_winset: win0 [%x, %lx), win1 [%x, %lx)\n", pci_conf_read(pc, tag, offs), pci_conf_read(pc, tag, offs + 4) + align, pci_conf_read(pc, tag, offs + 8), pci_conf_read(pc, tag, offs + 12) + align)); if (bst == sc->sc_memt) { pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR); bcr &= ~(CB_BCR_PREFETCH_MEMWIN0 | CB_BCR_PREFETCH_MEMWIN1); if (win[0].win_flags & PCCBB_MEM_CACHABLE) bcr |= CB_BCR_PREFETCH_MEMWIN0; if (win[1].win_flags & PCCBB_MEM_CACHABLE) bcr |= CB_BCR_PREFETCH_MEMWIN1; pci_conf_write(pc, tag, PCI_BCR_INTR, bcr); } } int pccbbactivate(struct device *self, int act) { struct pccbb_softc *sc = (struct pccbb_softc *)self; pci_chipset_tag_t pc = sc->sc_pc; pcitag_t tag = sc->sc_tag; pcireg_t csr; u_int32_t reg; bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory */ bus_space_handle_t base_memh = sc->sc_base_memh; int rv = 0; switch (act) { case DVACT_SUSPEND: rv = config_activate_children(self, act); sc->sc_pil_intr_enable = 0; /* Save registers that may get lost. */ sc->sc_csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); sc->sc_bhlcr = pci_conf_read(pc, tag, PCI_BHLC_REG); sc->sc_int = pci_conf_read(pc, tag, PCI_INTERRUPT_REG); sc->sc_sockbase = pci_conf_read(pc, tag, PCI_SOCKBASE); sc->sc_busnum = pci_conf_read(pc, tag, PCI_BUSNUM); sc->sc_membase[0] = pci_conf_read(pc, tag, PCI_CB_MEMBASE0); sc->sc_memlimit[0] = pci_conf_read(pc, tag, PCI_CB_MEMLIMIT0); sc->sc_membase[1] = pci_conf_read(pc, tag, PCI_CB_MEMBASE1); sc->sc_memlimit[1] = pci_conf_read(pc, tag, PCI_CB_MEMLIMIT1); sc->sc_iobase[0] = pci_conf_read(pc, tag, PCI_CB_IOBASE0); sc->sc_iolimit[0] = pci_conf_read(pc, tag, PCI_CB_IOLIMIT0); sc->sc_iobase[1] = pci_conf_read(pc, tag, PCI_CB_IOBASE1); sc->sc_iolimit[1] = pci_conf_read(pc, tag, PCI_CB_IOLIMIT1); break; case DVACT_RESUME: /* Restore the registers saved above. */ pci_conf_write(pc, tag, PCI_BHLC_REG, sc->sc_bhlcr); pci_conf_write(pc, tag, PCI_INTERRUPT_REG, sc->sc_int); pci_conf_write(pc, tag, PCI_SOCKBASE, sc->sc_sockbase); pci_conf_write(pc, tag, PCI_BUSNUM, sc->sc_busnum); pci_conf_write(pc, tag, PCI_CB_MEMBASE0, sc->sc_membase[0]); pci_conf_write(pc, tag, PCI_CB_MEMLIMIT0, sc->sc_memlimit[0]); pci_conf_write(pc, tag, PCI_CB_MEMBASE1, sc->sc_membase[1]); pci_conf_write(pc, tag, PCI_CB_MEMLIMIT1, sc->sc_memlimit[1]); pci_conf_write(pc, tag, PCI_CB_IOBASE0, sc->sc_iobase[0]); pci_conf_write(pc, tag, PCI_CB_IOLIMIT0, sc->sc_iolimit[0]); pci_conf_write(pc, tag, PCI_CB_IOBASE1, sc->sc_iobase[1]); pci_conf_write(pc, tag, PCI_CB_IOLIMIT1, sc->sc_iolimit[1]); /* Disable legacy register mapping. */ pccbb_legacy_disable(sc); /* * Restore command register last to avoid exposing * uninitialised windows. */ csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, (csr & 0xffff0000) | (sc->sc_csr & 0x0000ffff)); /* CSC Interrupt: Card detect interrupt on */ reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK); /* Card detect intr is turned on. */ reg |= CB_SOCKET_MASK_CD; bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, reg); /* reset interrupt */ reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT); bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT, reg); /* re-check all cards */ pccbb_checksockstat(sc); /* * XXX Because the cardslot stuff is so obfuscated with threads, * here we are activating children which may have been * ejected while we were asleep. This needs to be solved. */ rv = config_activate_children(self, act); sc->sc_pil_intr_enable = 1; break; case DVACT_POWERDOWN: rv = config_activate_children(self, act); pccbb_shutdown(self); break; default: rv = config_activate_children(self, act); break; } return (rv); }