diff options
author | nyan <nyan@FreeBSD.org> | 2000-03-29 14:32:34 +0000 |
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committer | nyan <nyan@FreeBSD.org> | 2000-03-29 14:32:34 +0000 |
commit | 243cee01b7cfe20e492dea554f4f1a864316b9a6 (patch) | |
tree | 2820e2ccc34a06c99cc444baf485d3c2c22445e5 /sys/dev/aic | |
parent | 8a243e8cc26afb69dffdccc07b78a5dc550e30dc (diff) | |
download | FreeBSD-src-243cee01b7cfe20e492dea554f4f1a864316b9a6.zip FreeBSD-src-243cee01b7cfe20e492dea554f4f1a864316b9a6.tar.gz |
- Added PC-98 Cbus frontend.
- Move dev/aic/aic_isa.c entry from conf/files to conf/files.MACHINE
because PC-98 uses different file.
Submitted by: nyan and IMAI Takeshi <take-i@ceres.dti.ne.jp>
Diffstat (limited to 'sys/dev/aic')
-rw-r--r-- | sys/dev/aic/aic_cbus.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/sys/dev/aic/aic_cbus.c b/sys/dev/aic/aic_cbus.c new file mode 100644 index 0000000..5f1cfdc --- /dev/null +++ b/sys/dev/aic/aic_cbus.c @@ -0,0 +1,281 @@ +/*- + * Copyright (c) 1999 Luoqi Chen. + * All rights reserved. + * + * 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 AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> + +#include <machine/bus_pio.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <isa/isavar.h> +#include <dev/aic/aic6360reg.h> +#include <dev/aic/aicvar.h> + +struct aic_isa_softc { + struct aic_softc sc_aic; + struct resource *sc_port; + struct resource *sc_irq; + struct resource *sc_drq; + void *sc_ih; +}; + +static int aic_isa_alloc_resources __P((device_t)); +static void aic_isa_release_resources __P((device_t)); +static int aic_isa_probe __P((device_t)); +static int aic_isa_attach __P((device_t)); + +#ifdef PC98 +static u_int aic_isa_ports[] = { 0x1840 }; +#else +static u_int aic_isa_ports[] = { 0x340, 0x140 }; +#endif +#define AIC_ISA_NUMPORTS (sizeof(aic_isa_ports) / sizeof(aic_isa_ports[0])) +#define AIC_ISA_PORTSIZE 0x20 + +#ifdef PC98 +#define AIC98_GENERIC 0x00 +#define AIC98_NEC100 0x01 +#define AIC_TYPE98(x) (((x) >> 16) & 0x01) + +static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, +}; +static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = { + 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, + 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, + 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, + 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, +}; + +static struct isa_pnp_id aic_ids[] = { + { 0xa180a3b8, "NEC PC9801-100"}, +}; +#endif + +static int +aic_isa_alloc_resources(device_t dev) +{ + struct aic_isa_softc *sc = device_get_softc(dev); + int rid; +#ifdef PC98 + bus_addr_t *bs_iat; + + if ((isa_get_logicalid(dev) == 0xa180a3b8) || + (AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100)) + bs_iat = aicport_100; + else + bs_iat = aicport_generic; +#endif + + sc->sc_port = sc->sc_irq = sc->sc_drq = 0; + + rid = 0; +#ifdef PC98 + sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, + bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE); +#else + sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, + 0ul, ~0ul, AIC_ISA_PORTSIZE, RF_ACTIVE); +#endif + if (!sc->sc_port) + return (ENOMEM); +#ifdef PC98 + isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE); +#endif + + if (isa_get_irq(dev) != -1) { + rid = 0; + sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, + 0ul, ~0ul, 1, RF_ACTIVE); + if (!sc->sc_irq) { + aic_isa_release_resources(dev); + return (ENOMEM); + } + } + + if (isa_get_drq(dev) != -1) { + rid = 0; + sc->sc_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, + 0ul, ~0ul, 1, RF_ACTIVE); + if (!sc->sc_drq) { + aic_isa_release_resources(dev); + return (ENOMEM); + } + } + + sc->sc_aic.unit = device_get_unit(dev); + sc->sc_aic.tag = rman_get_bustag(sc->sc_port); + sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port); + return (0); +} + +static void +aic_isa_release_resources(device_t dev) +{ + struct aic_isa_softc *sc = device_get_softc(dev); + + if (sc->sc_port) + bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port); + if (sc->sc_irq) + bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq); + if (sc->sc_drq) + bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq); + sc->sc_port = sc->sc_irq = sc->sc_drq = 0; +} + +static int +aic_isa_probe(device_t dev) +{ + struct aic_isa_softc *sc = device_get_softc(dev); + struct aic_softc *aic = &sc->sc_aic; + int numports, i; + u_int port, *ports; + u_int8_t porta; + +#ifdef PC98 + if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO) +#else + if (isa_get_vendorid(dev)) +#endif + return (ENXIO); + + port = isa_get_port(dev); + if (port != -1) { + ports = &port; + numports = 1; + } else { + ports = aic_isa_ports; + numports = AIC_ISA_NUMPORTS; + } + + for (i = 0; i < numports; i++) { +#ifdef PC98 + if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1)) + continue; +#else + if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], + AIC_ISA_PORTSIZE)) + continue; +#endif + if (aic_isa_alloc_resources(dev)) + continue; + if (!aic_probe(aic)) { + aic_isa_release_resources(dev); + break; + } + aic_isa_release_resources(dev); + } + + if (i == numports) + return (ENXIO); + + porta = aic_inb(aic, PORTA); + if (isa_get_irq(dev) == -1) + bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1); + if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1) + bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1); + device_set_desc(dev, "Adaptec 6260/6360 SCSI controller"); + return (0); +} + +static int +aic_isa_attach(device_t dev) +{ + struct aic_isa_softc *sc = device_get_softc(dev); + struct aic_softc *aic = &sc->sc_aic; + int error; + + error = aic_isa_alloc_resources(dev); + if (error) { + device_printf(dev, "resource allocation failed\n"); + return (error); + } + + error = aic_attach(aic); + if (error) { + device_printf(dev, "attach failed\n"); + aic_isa_release_resources(dev); + return (error); + } + + error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr, + aic, &sc->sc_ih); + if (error) { + device_printf(dev, "failed to register interrupt handler\n"); + aic_isa_release_resources(dev); + return (error); + } + return (0); +} + +static int +aic_isa_detach(device_t dev) +{ + struct aic_isa_softc *sc = device_get_softc(dev); + struct aic_softc *aic = &sc->sc_aic; + int error; + + error = aic_detach(aic); + if (error) { + device_printf(dev, "detach failed\n"); + return (error); + } + + error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih); + if (error) { + device_printf(dev, "failed to unregister interrupt handler\n"); + } + + aic_isa_release_resources(dev); + return (0); +} + +static device_method_t aic_isa_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, aic_isa_probe), + DEVMETHOD(device_attach, aic_isa_attach), + DEVMETHOD(device_detach, aic_isa_detach), + { 0, 0 } +}; + +static driver_t aic_isa_driver = { + "aic", + aic_isa_methods, sizeof(struct aic_isa_softc), +}; + +extern devclass_t aic_devclass; + +DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0); |