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_cbus.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[] = { 0x1840 }; 60#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0])) 61#define AIC_ISA_PORTSIZE 0x20 62 63#define AIC98_GENERIC 0x00 64#define AIC98_NEC100 0x01 65#define AIC_TYPE98(x) (((x) >> 16) & 0x01) 66 67static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = { 68 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 69 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 70 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 71 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 72}; 73static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = { 74 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 75 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 76 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 77 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 78}; 79 80static struct isa_pnp_id aic_ids[] = { 81 { 0xa180a3b8, "NEC PC9801-100" }, 82 { 0 } 83}; 84 85static int 86aic_isa_alloc_resources(device_t dev) 87{ 88 struct aic_isa_softc *sc = device_get_softc(dev); 89 int rid; 90 bus_addr_t *bs_iat; 91 92 if ((isa_get_logicalid(dev) == 0xa180a3b8) || 93 (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100)) 94 bs_iat = aicport_100; 95 else 96 bs_iat = aicport_generic; 97 98 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL; 99 100 rid = 0; 101 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 102 bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE); 103 if (!sc->sc_port) { 104 device_printf(dev, "I/O port allocation failed\n"); 105 return (ENOMEM); 106 } 107 isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE); 108 mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF); 109 110 if (isa_get_irq(dev) != -1) { 111 rid = 0; 112 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 113 RF_ACTIVE); 114 if (!sc->sc_irq) { 115 device_printf(dev, "IRQ allocation failed\n"); 116 aic_isa_release_resources(dev); 117 return (ENOMEM); 118 } 119 } 120 121 if (isa_get_drq(dev) != -1) { 122 rid = 0; 123 sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, 124 RF_ACTIVE); 125 if (!sc->sc_drq) { 126 device_printf(dev, "DRQ allocation failed\n"); 127 aic_isa_release_resources(dev); 128 return (ENOMEM); 129 } 130 } 131 132 sc->sc_aic.dev = dev; 133 sc->sc_aic.res = sc->sc_port; 134 return (0); 135} 136 137static void 138aic_isa_release_resources(device_t dev) 139{ 140 struct aic_isa_softc *sc = device_get_softc(dev); 141 142 if (sc->sc_port) 143 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); 144 if (sc->sc_irq) 145 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); 146 if (sc->sc_drq) 147 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); 148 sc->sc_port = sc->sc_irq = sc->sc_drq = NULL; 149 mtx_destroy(&sc->sc_aic.lock); 150} 151 152static int 153aic_isa_probe(device_t dev) 154{ 155 struct aic_isa_softc *sc = device_get_softc(dev); 156 struct aic_softc *aic = &sc->sc_aic; 157 int numports, i; 158 u_int port, *ports; 159 u_int8_t porta; 160 161 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO) 162 return (ENXIO); 163 164 port = isa_get_port(dev); 165 if (port != -1) { 166 ports = &port; 167 numports = 1; 168 } else { 169 ports = aic_isa_ports; 170 numports = AIC_ISA_NUMPORTS; 171 } 172 173 for (i = 0; i < numports; i++) { 174 if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1)) 175 continue; 176 if (aic_isa_alloc_resources(dev)) 177 continue; 178 if (aic_probe(aic) == 0) 179 break; 180 aic_isa_release_resources(dev); 181 } 182 183 if (i == numports) 184 return (ENXIO); 185 186 porta = aic_inb(aic, PORTA); 187 aic_isa_release_resources(dev); 188 if (isa_get_irq(dev) == -1) 189 bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); 190 if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) 191 bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); 192 device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); 193 return (0); 194} 195 196static int 197aic_isa_attach(device_t dev) 198{ 199 struct aic_isa_softc *sc = device_get_softc(dev); 200 struct aic_softc *aic = &sc->sc_aic; 201 int error; 202 203 error = aic_isa_alloc_resources(dev); 204 if (error) { 205 device_printf(dev, "resource allocation failed\n"); 206 return (error); 207 } 208 209 error = aic_attach(aic); 210 if (error) { 211 device_printf(dev, "attach failed\n"); 212 aic_isa_release_resources(dev); 213 return (error); 214 } 215 216 error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY | 217 INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih); 218 if (error) { 219 device_printf(dev, "failed to register interrupt handler\n"); 220 aic_isa_release_resources(dev); 221 return (error); 222 } 223 return (0); 224} 225 226static int 227aic_isa_detach(device_t dev) 228{ 229 struct aic_isa_softc *sc = device_get_softc(dev); 230 struct aic_softc *aic = &sc->sc_aic; 231 int error; 232 233 error = aic_detach(aic); 234 if (error) { 235 device_printf(dev, "detach failed\n"); 236 return (error); 237 } 238 239 error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); 240 if (error) { 241 device_printf(dev, "failed to unregister interrupt handler\n"); 242 } 243 244 aic_isa_release_resources(dev); 245 return (0); 246} 247 248static device_method_t aic_isa_methods[] = { 249 /* Device interface */ 250 DEVMETHOD(device_probe, aic_isa_probe), 251 DEVMETHOD(device_attach, aic_isa_attach), 252 DEVMETHOD(device_detach, aic_isa_detach), 253 { 0, 0 } 254}; 255 256static driver_t aic_isa_driver = { 257 "aic", 258 aic_isa_methods, sizeof(struct aic_isa_softc), 259}; 260 261extern devclass_t aic_devclass; 262 263MODULE_DEPEND(aic, cam, 1,1,1); 264DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); 265