/* $NetBSD: ahc_cardbus.c,v 1.37 2018/04/02 11:02:52 rin Exp $ */ /*- * Copyright (c) 2000, 2005 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers. * * TODO: * - power management */ #include __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.37 2018/04/02 11:02:52 rin Exp $"); #include "opt_ahc_cardbus.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef AHC_CARDBUS_DEFAULT_SCSI_ID #define AHC_CARDBUS_DEFAULT_SCSI_ID 0x7 #endif #define AHC_CARDBUS_IOBA 0x10 #define AHC_CARDBUS_MMBA 0x14 struct ahc_cardbus_softc { struct ahc_softc sc_ahc; /* real AHC */ /* CardBus-specific goo. */ cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ pcitag_t sc_tag; int sc_bar; pcireg_t sc_csr; bus_size_t sc_size; }; int ahc_cardbus_match(device_t, cfdata_t, void *); void ahc_cardbus_attach(device_t, device_t, void *); int ahc_cardbus_detach(device_t, int); CFATTACH_DECL_NEW(ahc_cardbus, sizeof(struct ahc_cardbus_softc), ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, NULL); int ahc_cardbus_match(device_t parent, cfdata_t match, void *aux) { struct cardbus_attach_args *ca = aux; if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) return (1); return (0); } void ahc_cardbus_attach(device_t parent, device_t self, void *aux) { struct cardbus_attach_args *ca = aux; struct ahc_cardbus_softc *csc = device_private(self); struct ahc_softc *ahc = &csc->sc_ahc; cardbus_devfunc_t ct = ca->ca_ct; bus_space_tag_t bst; bus_space_handle_t bsh; pcireg_t reg; u_int sxfrctl1 = 0; u_char sblkctl; ahc->sc_dev = self; csc->sc_ct = ct; csc->sc_tag = ca->ca_tag; printf(": Adaptec ADP-1480 SCSI\n"); /* * Map the device. */ csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { csc->sc_bar = AHC_CARDBUS_MMBA; csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { csc->sc_bar = AHC_CARDBUS_IOBA; csc->sc_csr |= PCI_COMMAND_IO_ENABLE; } else { csc->sc_bar = 0; aprint_error("%s: unable to map device registers\n", ahc_name(ahc)); return; } /* Enable the appropriate bits in the PCI CSR. */ reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); reg |= csc->sc_csr; Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); /* * Make sure the latency timer is set to some reasonable * value. */ reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG); if (PCI_LATTIMER(reg) < 0x20) { reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); reg |= (0x20 << PCI_LATTIMER_SHIFT); Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg); } ahc_set_name(ahc, device_xname(ahc->sc_dev)); ahc->parent_dmat = ca->ca_dmat; ahc->tag = bst; ahc->bsh = bsh; /* * ADP-1480 is always an AIC-7860. */ ahc->chip = AHC_AIC7860 | AHC_PCI; ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; if (PCI_REVISION(ca->ca_class) >= 1) ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; if (ahc_softc_init(ahc) != 0) return; /* * On all CardBus adapters, we allow SCB paging. */ ahc->flags = AHC_PAGESCBS; ahc->channel = 'A'; ahc_intr_enable(ahc, FALSE); ahc_reset(ahc); /* * Establish the interrupt. */ ahc->ih = Cardbus_intr_establish(ct, IPL_BIO, ahc_intr, ahc); if (ahc->ih == NULL) { aprint_error("%s: unable to establish interrupt\n", ahc_name(ahc)); return; } ahc->seep_config = malloc(sizeof(*ahc->seep_config), M_DEVBUF, M_NOWAIT); if (ahc->seep_config == NULL) return; ahc_check_extport(ahc, &sxfrctl1); /* * Take the LED out of diagnostic mode. */ sblkctl = ahc_inb(ahc, SBLKCTL); ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); /* * I don't know where this is set in the SEEPROM or by the * BIOS, so we default to 100%. */ ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); if (ahc->flags & AHC_USEDEFAULTS) { int our_id; /* * Assume only one connector and always turn * on termination. */ our_id = AHC_CARDBUS_DEFAULT_SCSI_ID; sxfrctl1 = STPWEN; ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI); ahc->our_id = our_id; } /* * Record our termination setting for the * generic initialization routine. */ if ((sxfrctl1 & STPWEN) != 0) ahc->flags |= AHC_TERM_ENB_A; if (ahc_init(ahc)) { ahc_free(ahc); return; } ahc_attach(ahc); } int ahc_cardbus_detach(device_t self, int flags) { struct ahc_cardbus_softc *csc = device_private(self); struct ahc_softc *ahc = &csc->sc_ahc; int rv; rv = ahc_detach(ahc, flags); if (rv) return rv; if (ahc->ih) { Cardbus_intr_disestablish(csc->sc_ct, ahc->ih); ahc->ih = 0; } if (csc->sc_bar != 0) { Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar, ahc->tag, ahc->bsh, csc->sc_size); csc->sc_bar = 0; } return (0); }