1/*- 2 * Copyright (c) 1999 Luoqi Chen. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: releng/10.3/sys/dev/aic/aic_isa.c 241591 2012-10-15 16:09:59Z jhb $"); 29 30#include <sys/param.h> 31#include <sys/callout.h> 32#include <sys/kernel.h> 33#include <sys/lock.h> 34#include <sys/module.h> 35#include <sys/mutex.h> 36#include <sys/bus.h> 37 38#include <machine/bus.h> 39#include <machine/resource.h> 40#include <sys/rman.h> 41 42#include <isa/isavar.h> 43#include <dev/aic/aic6360reg.h> 44#include <dev/aic/aicvar.h> 45 46struct aic_isa_softc { 47 struct aic_softc sc_aic; 48 struct resource *sc_port; 49 struct resource *sc_irq; 50 struct resource *sc_drq; 51 void *sc_ih; 52}; 53 54static int aic_isa_alloc_resources(device_t); 55static void aic_isa_release_resources(device_t); 56static int aic_isa_probe(device_t); 57static int aic_isa_attach(device_t); 58 59static u_int aic_isa_ports[] = { 0x340, 0x140 }; 60#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0])) 61#define AIC_ISA_PORTSIZE 0x20 62 63static struct isa_pnp_id aic_ids[] = { 64 { 0x15309004, "Adaptec AHA-1530P" }, 65 { 0x15209004, "Adaptec AHA-1520P" }, 66 { 0 } 67}; 68 69static int 70aic_isa_alloc_resources(device_t dev) 71{ 72 struct aic_isa_softc *sc = device_get_softc(dev); 73 int rid; 74 75 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL; 76 77 rid = 0; 78 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 79 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE); 80 if (!sc->sc_port) { 81 device_printf(dev, "I/O port allocation failed\n"); 82 return (ENOMEM); 83 } 84 85 if (isa_get_irq(dev) != -1) { 86 rid = 0; 87 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 88 RF_ACTIVE); 89 if (!sc->sc_irq) { 90 device_printf(dev, "IRQ allocation failed\n"); 91 aic_isa_release_resources(dev); 92 return (ENOMEM); 93 } 94 } 95 96 if (isa_get_drq(dev) != -1) { 97 rid = 0; 98 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, 99 RF_ACTIVE); 100 if (!sc->sc_drq) { 101 device_printf(dev, "DRQ allocation failed\n"); 102 aic_isa_release_resources(dev); 103 return (ENOMEM); 104 } 105 } 106 107 sc->sc_aic.dev = dev; 108 sc->sc_aic.res = sc->sc_port; 109 mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF); 110 return (0); 111} 112 113static void 114aic_isa_release_resources(device_t dev) 115{ 116 struct aic_isa_softc *sc = device_get_softc(dev); 117 118 if (sc->sc_port) 119 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); 120 if (sc->sc_irq) 121 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); 122 if (sc->sc_drq) 123 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); 124 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL; 125 mtx_destroy(&sc->sc_aic.lock); 126} 127 128static int 129aic_isa_probe(device_t dev) 130{ 131 struct aic_isa_softc *sc = device_get_softc(dev); 132 struct aic_softc *aic = &sc->sc_aic; 133 int numports, i; 134 u_int port, *ports; 135 u_int8_t porta; 136 137 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO) 138 return (ENXIO); 139 140 port = isa_get_port(dev); 141 if (port != -1) { 142 ports = &port; 143 numports = 1; 144 } else { 145 ports = aic_isa_ports; 146 numports = AIC_ISA_NUMPORTS; 147 } 148 149 for (i = 0; i < numports; i++) { 150 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 151 AIC_ISA_PORTSIZE)) 152 continue; 153 if (aic_isa_alloc_resources(dev)) 154 continue; 155 if (aic_probe(aic) == 0) 156 break; 157 aic_isa_release_resources(dev); 158 } 159 160 if (i == numports) 161 return (ENXIO); 162 163 porta = aic_inb(aic, PORTA); 164 aic_isa_release_resources(dev); 165 if (isa_get_irq(dev) == -1) 166 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); 167 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) 168 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); 169 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); 170 return (0); 171} 172 173static int 174aic_isa_attach(device_t dev) 175{ 176 struct aic_isa_softc *sc = device_get_softc(dev); 177 struct aic_softc *aic = &sc->sc_aic; 178 int error; 179 180 error = aic_isa_alloc_resources(dev); 181 if (error) { 182 device_printf(dev, "resource allocation failed\n"); 183 return (error); 184 } 185 186 error = aic_attach(aic); 187 if (error) { 188 device_printf(dev, "attach failed\n"); 189 aic_isa_release_resources(dev); 190 return (error); 191 } 192 193 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY | 194 INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih); 195 if (error) { 196 device_printf(dev, "failed to register interrupt handler\n"); 197 aic_isa_release_resources(dev); 198 return (error); 199 } 200 return (0); 201} 202 203static int 204aic_isa_detach(device_t dev) 205{ 206 struct aic_isa_softc *sc = device_get_softc(dev); 207 struct aic_softc *aic = &sc->sc_aic; 208 int error; 209 210 error = aic_detach(aic); 211 if (error) { 212 device_printf(dev, "detach failed\n"); 213 return (error); 214 } 215 216 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 217 if (error) { 218 device_printf(dev, "failed to unregister interrupt handler\n"); 219 } 220 221 aic_isa_release_resources(dev); 222 return (0); 223} 224 225static device_method_t aic_isa_methods[] = { 226 /* Device interface */ 227 DEVMETHOD(device_probe, aic_isa_probe), 228 DEVMETHOD(device_attach, aic_isa_attach), 229 DEVMETHOD(device_detach, aic_isa_detach), 230 { 0, 0 } 231}; 232 233static driver_t aic_isa_driver = { 234 "aic", 235 aic_isa_methods, sizeof(struct aic_isa_softc), 236}; 237 238extern devclass_t aic_devclass; 239 240MODULE_DEPEND(aic, cam, 1,1,1); 241DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); 242