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      1 /*	$NetBSD: adv_cardbus.c,v 1.31 2022/09/25 17:33:19 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * this file was brought from ahc_cardbus.c and adv_pci.c
     35  * and modified by YAMAMOTO Takashi.
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: adv_cardbus.c,v 1.31 2022/09/25 17:33:19 thorpej Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/kernel.h>
     44 #include <sys/queue.h>
     45 #include <sys/device.h>
     46 
     47 #include <sys/bus.h>
     48 #include <sys/intr.h>
     49 
     50 #include <dev/scsipi/scsi_all.h>
     51 #include <dev/scsipi/scsipi_all.h>
     52 #include <dev/scsipi/scsiconf.h>
     53 
     54 #include <dev/pci/pcireg.h>
     55 #include <dev/pci/pcidevs.h>
     56 
     57 #include <dev/cardbus/cardbusvar.h>
     58 #include <dev/pci/pcidevs.h>
     59 
     60 #include <dev/ic/advlib.h>
     61 #include <dev/ic/adv.h>
     62 
     63 #define ADV_CARDBUS_IOBA PCI_BAR0
     64 #define ADV_CARDBUS_MMBA PCI_BAR1
     65 
     66 #define ADV_CARDBUS_DEBUG
     67 #define ADV_CARDBUS_ALLOW_MEMIO
     68 
     69 #define DEVNAME(sc) device_xname((sc)->sc_dev)
     70 
     71 struct adv_cardbus_softc {
     72 	struct asc_softc sc_adv;	/* real ADV */
     73 
     74 	/* CardBus-specific goo. */
     75 	cardbus_devfunc_t sc_ct;	/* our CardBus devfuncs */
     76 	pcitag_t sc_tag;
     77 
     78 	int	sc_bar;
     79 	pcireg_t	sc_csr;
     80 	bus_size_t sc_size;
     81 };
     82 
     83 int	adv_cardbus_match(device_t, cfdata_t, void *);
     84 void	adv_cardbus_attach(device_t, device_t, void *);
     85 int	adv_cardbus_detach(device_t, int);
     86 
     87 CFATTACH_DECL_NEW(adv_cardbus, sizeof(struct adv_cardbus_softc),
     88     adv_cardbus_match, adv_cardbus_attach, adv_cardbus_detach, NULL);
     89 
     90 int
     91 adv_cardbus_match(device_t parent, cfdata_t match, void *aux)
     92 {
     93 	struct cardbus_attach_args *ca = aux;
     94 
     95 	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS &&
     96 	    PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADVSYS_ULTRA)
     97 		return (1);
     98 
     99 	return (0);
    100 }
    101 
    102 void
    103 adv_cardbus_attach(device_t parent, device_t self, void *aux)
    104 {
    105 	struct cardbus_attach_args *ca = aux;
    106 	struct adv_cardbus_softc *csc = device_private(self);
    107 	struct asc_softc *sc = &csc->sc_adv;
    108 	cardbus_devfunc_t ct = ca->ca_ct;
    109 	bus_space_tag_t iot;
    110 	bus_space_handle_t ioh;
    111 	pcireg_t reg;
    112 	u_int8_t latency = 0x20;
    113 
    114 	sc->sc_dev = self;
    115 	sc->sc_flags = 0;
    116 
    117 	if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADVSYS) {
    118 		switch (PCI_PRODUCT(ca->ca_id)) {
    119 		case PCI_PRODUCT_ADVSYS_1200A:
    120 			aprint_normal(": AdvanSys ASC1200A SCSI adapter\n");
    121 			latency = 0;
    122 			break;
    123 
    124 		case PCI_PRODUCT_ADVSYS_1200B:
    125 			aprint_normal(": AdvanSys ASC1200B SCSI adapter\n");
    126 			latency = 0;
    127 			break;
    128 
    129 		case PCI_PRODUCT_ADVSYS_ULTRA:
    130 			switch (PCI_REVISION(ca->ca_class)) {
    131 			case ASC_PCI_REVISION_3050:
    132 				aprint_normal(": AdvanSys ABP-9xxUA "
    133 				    "SCSI adapter\n");
    134 				break;
    135 
    136 			case ASC_PCI_REVISION_3150:
    137 				aprint_normal(": AdvanSys ABP-9xxU "
    138 				    "SCSI adapter\n");
    139 				break;
    140 			}
    141 			break;
    142 
    143 		default:
    144 			aprint_error(": unknown model!\n");
    145 			return;
    146 		}
    147 	}
    148 
    149 	csc->sc_ct = ct;
    150 	csc->sc_tag = ca->ca_tag;
    151 
    152 	/*
    153 	 * Map the device.
    154 	 */
    155 	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
    156 
    157 #ifdef ADV_CARDBUS_ALLOW_MEMIO
    158 	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_MMBA,
    159 	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
    160 	    &iot, &ioh, NULL, &csc->sc_size) == 0) {
    161 #ifdef ADV_CARDBUS_DEBUG
    162 		printf("%s: memio enabled\n", DEVNAME(sc));
    163 #endif
    164 		csc->sc_bar = ADV_CARDBUS_MMBA;
    165 		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
    166 	} else
    167 #endif
    168 	if (Cardbus_mapreg_map(csc->sc_ct, ADV_CARDBUS_IOBA,
    169 	    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, &csc->sc_size) == 0) {
    170 #ifdef ADV_CARDBUS_DEBUG
    171 		printf("%s: io enabled\n", DEVNAME(sc));
    172 #endif
    173 		csc->sc_bar = ADV_CARDBUS_IOBA;
    174 		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
    175 	} else {
    176 		csc->sc_bar = 0;
    177 		aprint_error_dev(self, "unable to map device registers\n");
    178 		return;
    179 	}
    180 
    181 	/* Enable the appropriate bits in the PCI CSR. */
    182 	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
    183 	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
    184 	reg |= csc->sc_csr;
    185 	Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
    186 
    187 	/*
    188 	 * Make sure the latency timer is set to some reasonable
    189 	 * value.
    190 	 */
    191 	reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG);
    192 	if (PCI_LATTIMER(reg) < latency) {
    193 		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
    194 		reg |= (latency << PCI_LATTIMER_SHIFT);
    195 		Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg);
    196 	}
    197 
    198 	ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT);
    199 	ASC_SET_CHIP_STATUS(iot, ioh, 0);
    200 
    201 	sc->sc_iot = iot;
    202 	sc->sc_ioh = ioh;
    203 	sc->sc_dmat = ca->ca_dmat;
    204 	sc->pci_device_id = ca->ca_id;
    205 	sc->bus_type = ASC_IS_PCI;
    206 	sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh);
    207 
    208 	/*
    209 	 * Initialize the board
    210 	 */
    211 	if (adv_init(sc)) {
    212 		aprint_error_dev(self, "adv_init failed\n");
    213 		return;
    214 	}
    215 
    216 	/*
    217 	 * Establish the interrupt.
    218 	 */
    219 	sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, adv_intr, sc);
    220 	if (sc->sc_ih == NULL) {
    221 		aprint_error_dev(self, "unable to establish interrupt\n");
    222 		return;
    223 	}
    224 
    225 	/*
    226 	 * Attach.
    227 	 */
    228 	adv_attach(sc);
    229 }
    230 
    231 int
    232 adv_cardbus_detach(device_t self, int flags)
    233 {
    234 	struct adv_cardbus_softc *csc = device_private(self);
    235 	struct asc_softc *sc = &csc->sc_adv;
    236 
    237 	int rv;
    238 
    239 	rv = adv_detach(sc, flags);
    240 	if (rv)
    241 		return rv;
    242 
    243 	if (sc->sc_ih) {
    244 		Cardbus_intr_disestablish(csc->sc_ct, sc->sc_ih);
    245 		sc->sc_ih = 0;
    246 	}
    247 
    248 	if (csc->sc_bar != 0) {
    249 		Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar,
    250 		    sc->sc_iot, sc->sc_ioh, csc->sc_size);
    251 		csc->sc_bar = 0;
    252 	}
    253 
    254 	return 0;
    255 }
    256