diff options
Diffstat (limited to 'sys/dev/ieee488/pcii.c')
| -rw-r--r-- | sys/dev/ieee488/pcii.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/sys/dev/ieee488/pcii.c b/sys/dev/ieee488/pcii.c deleted file mode 100644 index 833ec91..0000000 --- a/sys/dev/ieee488/pcii.c +++ /dev/null @@ -1,255 +0,0 @@ -/*- - * Copyright (c) 2005 Poul-Henning Kamp <phk@FreeBSD.org> - * Copyright (c) 2010 Joerg Wunsch <joerg@FreeBSD.org> - * 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. - * - * Driver for GPIB cards based on NEC µPD7210 and compatibles. - * - * This driver just hooks up to the hardware and leaves all the interesting - * stuff to upd7210.c. - * - * Supported hardware: - * PCIIA compatible cards. - * - * Tested and known working: - * "B&C Microsystems PC488A-0" - * "National Instruments GPIB-PCII/PCIIA" (in PCIIa mode) - * "Axiom AX5488" - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/bus.h> -#include <machine/bus.h> -#include <machine/resource.h> -#include <sys/rman.h> -#include <isa/isavar.h> - -#define UPD7210_HW_DRIVER -#include <dev/ieee488/upd7210.h> - -struct pcii_softc { - int foo; - struct resource *res[11]; - void *intr_handler; - struct upd7210 upd7210; -}; - -static devclass_t pcii_devclass; - -static int pcii_probe(device_t dev); -static int pcii_attach(device_t dev); - -static device_method_t pcii_methods[] = { - DEVMETHOD(device_probe, pcii_probe), - DEVMETHOD(device_attach, pcii_attach), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - - { 0, 0 } -}; - -static struct resource_spec pcii_res_spec[] = { - { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE}, - { SYS_RES_DRQ, 0, RF_ACTIVE | RF_SHAREABLE | RF_OPTIONAL}, - { SYS_RES_IOPORT, 0, RF_ACTIVE}, - { SYS_RES_IOPORT, 1, RF_ACTIVE}, - { SYS_RES_IOPORT, 2, RF_ACTIVE}, - { SYS_RES_IOPORT, 3, RF_ACTIVE}, - { SYS_RES_IOPORT, 4, RF_ACTIVE}, - { SYS_RES_IOPORT, 5, RF_ACTIVE}, - { SYS_RES_IOPORT, 6, RF_ACTIVE}, - { SYS_RES_IOPORT, 7, RF_ACTIVE}, - { SYS_RES_IOPORT, 8, RF_ACTIVE | RF_SHAREABLE}, - { -1, 0, 0 } -}; - -static driver_t pcii_driver = { - "pcii", - pcii_methods, - sizeof(struct pcii_softc), -}; - -static int -pcii_probe(device_t dev) -{ - int rid, i, j; - u_long start, count, addr; - int error = 0; - struct pcii_softc *sc; - - device_set_desc(dev, "PCII IEEE-4888 controller"); - sc = device_get_softc(dev); - - rid = 0; - if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count) != 0) - return ENXIO; - /* - * The PCIIA decodes a fixed pattern of 0x2e1 for the lower 10 - * address bits A0 ... A9. Bits A10 through A12 are used by - * the µPD7210 register select lines. This makes the - * individual 7210 register being 0x400 bytes apart in the ISA - * bus address space. Address bits A13 and A14 are compared - * to a DIP switch setting on the card, allowing for up to 4 - * different cards being installed (at base addresses 0x2e1, - * 0x22e1, 0x42e1, and 0x62e1, respectively). A15 has been - * used to select an optional on-board time-of-day clock chip - * (MM58167A) on the original PCIIA rather than the µPD7210 - * (which is not implemented on later boards). The - * documentation states the respective addresses for that chip - * should be handled as reserved addresses, which we don't do - * (right now). Finally, the IO addresses 0x2f0 ... 0x2f7 for - * a "special interrupt handling feature" (re-enable - * interrupts so the IRQ can be shared). - * - * Usually, the user will only set the base address in the - * device hints, so we handle the rest here. - * - * (Source: GPIB-PCIIA Technical Reference Manual, September - * 1989 Edition, National Instruments.) - */ - if ((start & 0x3ff) != 0x2e1) { - if (bootverbose) - printf("pcii_probe: PCIIA base address 0x%lx not " - "0x2e1/0x22e1/0x42e1/0x62e1\n", - start); - return (ENXIO); - } - - for (rid = 0, addr = start; rid < 8; rid++, addr += 0x400) { - if (bus_set_resource(dev, SYS_RES_IOPORT, rid, addr, 1) != 0) { - printf("pcii_probe: could not set IO port 0x%lx\n", - addr); - return (ENXIO); - } - } - if (bus_get_resource(dev, SYS_RES_IRQ, 0, &start, &count) != 0) { - printf("pcii_probe: cannot obtain IRQ level\n"); - return ENXIO; - } - if (start > 7) { - printf("pcii_probe: IRQ level %lu too high\n", start); - return ENXIO; - } - - if (bus_set_resource(dev, SYS_RES_IOPORT, 8, 0x2f0 + start, 1) != 0) { - printf("pcii_probe: could not set IO port 0x%3lx\n", - 0x2f0 + start); - return (ENXIO); - } - - error = bus_alloc_resources(dev, pcii_res_spec, sc->res); - if (error) { - printf("pcii_probe: Could not allocate resources\n"); - return (error); - } - error = ENXIO; - /* - * Perform some basic tests on the µPD7210 registers. At - * least *some* register must read different from 0x00 or - * 0xff. - */ - for (i = 0; i < 8; i++) { - j = bus_read_1(sc->res[2 + i], 0); - if (j != 0x00 && j != 0xff) - error = 0; - } - /* SPSR/SPMR read/write test */ - if (!error) { - bus_write_1(sc->res[2 + 3], 0, 0x55); - if (bus_read_1(sc->res[2 + 3], 0) != 0x55) - error = ENXIO; - } - if (!error) { - bus_write_1(sc->res[2 + 3], 0, 0xaa); - if (bus_read_1(sc->res[2 + 3], 0) != 0xaa) - error = ENXIO; - } - if (error) - printf("pcii_probe: probe failure\n"); - - bus_release_resources(dev, pcii_res_spec, sc->res); - return (error); -} - -static int -pcii_attach(device_t dev) -{ - struct pcii_softc *sc; - u_long start, count; - int unit; - int rid; - int error = 0; - - unit = device_get_unit(dev); - sc = device_get_softc(dev); - memset(sc, 0, sizeof *sc); - - device_set_desc(dev, "PCII IEEE-4888 controller"); - - if (bus_get_resource(dev, SYS_RES_IRQ, 0, &start, &count) != 0) { - printf("pcii_attach: cannot obtain IRQ number\n"); - return ENXIO; - } - - error = bus_alloc_resources(dev, pcii_res_spec, sc->res); - if (error) - return (error); - - error = bus_setup_intr(dev, sc->res[0], - INTR_TYPE_MISC | INTR_MPSAFE, NULL, - upd7210intr, &sc->upd7210, &sc->intr_handler); - if (error) { - bus_release_resources(dev, pcii_res_spec, sc->res); - return (error); - } - - for (rid = 0; rid < 8; rid++) { - sc->upd7210.reg_res[rid] = sc->res[2 + rid]; - sc->upd7210.reg_offset[rid] = 0; - } - sc->upd7210.irq_clear_res = sc->res[10]; - sc->upd7210.use_fifo = 0; - - if (sc->res[1] == NULL) - sc->upd7210.dmachan = -1; - else - sc->upd7210.dmachan = rman_get_start(sc->res[1]); - - upd7210attach(&sc->upd7210); - device_printf(dev, "attached gpib%d\n", sc->upd7210.unit); - - return (0); -} - -DRIVER_MODULE(pcii, isa, pcii_driver, pcii_devclass, 0, 0); -DRIVER_MODULE(pcii, acpi, pcii_driver, pcii_devclass, 0, 0); |
