/* $NetBSD: nca_pcmcia.c,v 1.10 2004/08/08 23:17:13 mycroft Exp $ */ /*- * Copyright (c) 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: nca_pcmcia.c,v 1.10 2004/08/08 23:17:13 mycroft Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct nca_pcmcia_softc { struct ncr5380_softc sc_ncr5380; /* glue to MI code */ /* PCMCIA-specific goo. */ struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ int sc_io_window; /* our i/o window */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt handler */ int sc_flags; #define NCA_PCMCIA_ATTACHED 1 /* attach completed */ #define NCA_PCMCIA_ATTACHING 2 /* attach in progress */ }; int nca_pcmcia_match __P((struct device *, struct cfdata *, void *)); void nca_pcmcia_attach __P((struct device *, struct device *, void *)); int nca_pcmcia_detach __P((struct device *, int)); int nca_pcmcia_enable __P((struct device *, int)); CFATTACH_DECL(nca_pcmcia, sizeof(struct nca_pcmcia_softc), nca_pcmcia_match, nca_pcmcia_attach, nca_pcmcia_detach, NULL); #define MIN_DMA_LEN 128 /* Options for disconnect/reselect, DMA, and interrupts. */ #define NCA_NO_DISCONNECT 0x00ff #define NCA_NO_PARITY_CHK 0xff00 const struct pcmcia_product nca_pcmcia_products[] = { { NULL } }; int nca_pcmcia_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pcmcia_attach_args *pa = aux; if (pcmcia_product_lookup(pa, nca_pcmcia_products, sizeof nca_pcmcia_products[0], NULL) != NULL) return (1); return (0); } void nca_pcmcia_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct nca_pcmcia_softc *esc = (void *)self; struct ncr5380_softc *sc = &esc->sc_ncr5380; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; struct pcmcia_function *pf = pa->pf; const struct pcmcia_product *pp; int flags; esc->sc_pf = pf; SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { if (cfe->num_memspace != 0 || cfe->num_iospace != 1) continue; if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, cfe->iospace[0].length, 0, &esc->sc_pcioh) == 0) break; } if (cfe == 0) { printf(": can't alloc i/o space\n"); goto no_config_entry; } /* Enable the card. */ pcmcia_function_init(pf, cfe); if (pcmcia_function_enable(pf)) { printf(": function enable failed\n"); goto enable_failed; } /* Map in the I/O space */ if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, &esc->sc_pcioh, &esc->sc_io_window)) { printf(": can't map i/o space\n"); goto iomap_failed; } pp = pcmcia_product_lookup(pa, nca_pcmcia_products, sizeof nca_pcmcia_products[0], NULL); if (pp == NULL) { printf("\n"); panic("nca_pcmcia_attach: impossible"); } printf(": %s\n", pp->pp_name); /* We can enable and disable the controller. */ sc->sc_adapter.adapt_enable = nca_pcmcia_enable; /* Reset into 5380-compat. mode */ bus_space_write_1(esc->sc_pcioh.iot, esc->sc_pcioh.ioh, C400_CSR, C400_CSR_5380_ENABLE); /* Initialize 5380 compatible register offsets. */ sc->sci_r0 = C400_5380_REG_OFFSET + 0; sc->sci_r1 = C400_5380_REG_OFFSET + 1; sc->sci_r2 = C400_5380_REG_OFFSET + 2; sc->sci_r3 = C400_5380_REG_OFFSET + 3; sc->sci_r4 = C400_5380_REG_OFFSET + 4; sc->sci_r5 = C400_5380_REG_OFFSET + 5; sc->sci_r6 = C400_5380_REG_OFFSET + 6; sc->sci_r7 = C400_5380_REG_OFFSET + 7; sc->sc_rev = NCR_VARIANT_NCR53C400; /* * MD function pointers used by the MI code. */ sc->sc_pio_out = ncr5380_pio_out; sc->sc_pio_in = ncr5380_pio_in; sc->sc_dma_alloc = NULL; sc->sc_dma_free = NULL; sc->sc_dma_setup = NULL; sc->sc_dma_start = NULL; sc->sc_dma_poll = NULL; sc->sc_dma_eop = NULL; sc->sc_dma_stop = NULL; sc->sc_intr_on = NULL; sc->sc_intr_off = NULL; /* * Support the "options" (config file flags). * Disconnect/reselect is a per-target mask. * Interrupts and DMA are per-controller. */ #if 0 flags = 0x0000; /* no options */ #else flags = 0xffff; /* all options except force poll */ #endif sc->sc_no_disconnect = (flags & NCA_NO_DISCONNECT); sc->sc_parity_disable = (flags & NCA_NO_PARITY_CHK) >> 8; sc->sc_min_dma_len = MIN_DMA_LEN; /* * Initialize fields used by the MI code */ sc->sc_regt = esc->sc_pcioh.iot; sc->sc_regh = esc->sc_pcioh.ioh; /* * Initialize nca board itself. */ esc->sc_flags |= NCA_PCMCIA_ATTACHING; ncr5380_attach(sc); esc->sc_flags &= ~NCA_PCMCIA_ATTACHING; esc->sc_flags |= NCA_PCMCIA_ATTACHED; return; iomap_failed: /* Disable the device. */ pcmcia_function_disable(esc->sc_pf); enable_failed: /* Unmap our I/O space. */ pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh); no_config_entry: return; } int nca_pcmcia_detach(self, flags) struct device *self; int flags; { struct nca_pcmcia_softc *esc = (void *)self; int error; if ((esc->sc_flags & NCA_PCMCIA_ATTACHED) == 0) { /* Nothing to detach. */ return (0); } if ((error = ncr5380_detach(&esc->sc_ncr5380, flags)) != 0) return (error); /* Unmap our i/o window and i/o space. */ pcmcia_io_unmap(esc->sc_pf, esc->sc_io_window); pcmcia_io_free(esc->sc_pf, &esc->sc_pcioh); return (0); } int nca_pcmcia_enable(arg, onoff) struct device *arg; int onoff; { struct nca_pcmcia_softc *esc = (struct nca_pcmcia_softc*)arg; if (onoff) { /* Establish the interrupt handler. */ esc->sc_ih = pcmcia_intr_establish(esc->sc_pf, IPL_BIO, ncr5380_intr, &esc->sc_ncr5380); if (esc->sc_ih == NULL) { printf("%s: couldn't establish interrupt handler\n", esc->sc_ncr5380.sc_dev.dv_xname); return (EIO); } /* * If attach is in progress, we know that card power is * enabled and chip will be initialized later. * Otherwise, enable and reset now. */ if ((esc->sc_flags & NCA_PCMCIA_ATTACHING) == 0) { if (pcmcia_function_enable(esc->sc_pf)) { printf("%s: couldn't enable PCMCIA function\n", esc->sc_ncr5380.sc_dev.dv_xname); pcmcia_intr_disestablish(esc->sc_pf, esc->sc_ih); return (EIO); } /* Initialize only chip. */ ncr5380_init(&esc->sc_ncr5380); } } else { pcmcia_function_disable(esc->sc_pf); pcmcia_intr_disestablish(esc->sc_pf, esc->sc_ih); } return (0); }