aboutsummaryrefslogtreecommitdiff
path: root/sys/dev/ieee488/tnt4882.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/ieee488/tnt4882.c')
-rw-r--r--sys/dev/ieee488/tnt4882.c320
1 files changed, 0 insertions, 320 deletions
diff --git a/sys/dev/ieee488/tnt4882.c b/sys/dev/ieee488/tnt4882.c
deleted file mode 100644
index 4b69d0dbd005..000000000000
--- a/sys/dev/ieee488/tnt4882.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/*-
- * Copyright (c) 2005 Poul-Henning Kamp
- * Copyright (c) 2010 Joerg Wunsch
- * 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/kernel.h>
-#include <sys/systm.h>
-#include <sys/module.h>
-#include <sys/bus.h>
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcivar.h>
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <machine/stdarg.h>
-#include <sys/rman.h>
-
-/* vtophys */
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <machine/pmap.h>
-
-#define UPD7210_HW_DRIVER 1
-#include <dev/ieee488/upd7210.h>
-#include <dev/ieee488/tnt4882.h>
-
-struct tnt_softc {
- int foo;
- struct upd7210 upd7210;
-
- struct resource *res[3];
- void *intr_handler;
-};
-
-static struct resource_spec tnt_res_spec[] = {
- { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE},
- { SYS_RES_MEMORY, PCIR_BAR(1), RF_ACTIVE},
- { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE},
- { -1, 0 }
-};
-
-struct tst {
- enum {RD, WT, xDELAY, END}
- action;
- enum tnt4882reg reg;
- uint8_t val;
-};
-
-/*
- * From NI Application note 095:
- * Writing Functional Self-Tests for the TNT4882 GPIB Interface Chip
- * XXX: fill in the rest ?
- */
-static struct tst tst_reset[] = {
- {WT, tauxcr, 0x80}, /* chip reset if in 9914 mode */
- {WT, auxmr, 0x80}, /* swrst if swapped */
- {WT, tauxcr, 0x99}, /* switch to 7210 mode */
- {WT, auxmr, 0x99}, /* switch to 7210 mode if swapped */
- {WT, auxmr, 0x02}, /* execute chip reset */
- {WT, keyreg, 0x00}, /* important! clear the swap bit */
- {WT, eosr, 0x00}, /* clear EOS register */
- {WT, cdor, 0x00}, /* clear data lines */
- {WT, imr1, 0x00}, /* disable all interrupts */
- {WT, imr2, 0x00},
- {WT, imr0, 0x80},
- {WT, adr, 0x80},
- {WT, adr, 0x00},
- {WT, admr, 0x00}, /* clear addressing modes */
- {WT, auxmr, 0x00}, /* release from idle state with pon */
- {WT, auxmr, 0x60}, /* reset ppr */
- {WT, bcr, 0x00}, /* reset bcr */
- {WT, misc, 0x04}, /* set wrap plug bit */
- {WT, cmdr, 0xB2}, /* issue soft reset */
- {WT, hssel, 0x00}, /* select two-chip mode */
- {END, 0, 0}
-};
-
-static struct tst tst_read_reg[] = {
- {RD, isr1, 0x00}, /* Verify mask registers are clear */
- {RD, isr2, 0x00},
- {RD, adsr, 0x40}, /* Verify ATN is not asserted */
- {RD, adr0, 0x00}, /* Verify Primary address not set */
- {RD, adr1, 0x00}, /* Verify Secondary address not set */
- {RD, sts1, 0x8B}, /* Verify DONE, STOP, HALT, and GSYNC set */
- {RD, isr3, 0x19}, /* Verify STOP, Not Full FIFO, & DONE set */
- {RD, sts2, 0x9A}, /* Verify FIFO A/B is empty */
- {RD, sasr, 0x00}, /* Verify clear */
- {RD, isr0, 0x01}, /* Verify SYNC bit is set */
- {END, 0, 0}
-};
-
-static struct tst tst_bsr_dcr[] = {
- {WT, bcr, 0x55}, /* Set DAV, NRFD, SRQ, and REN */
- {WT, dcr, 0xAA}, /* Write pattern to GPIB data lines */
- {RD, bsr, 0x55}, /* Verify DAV, NRFD, SRQ, and REN are set */
- {RD, dsr, 0xAA}, /* Verify data pattern written previously */
- {WT, bcr, 0xAA}, /* Set ATN, NDAC, EOI, & IFC */
- {WT, dcr, 0x55}, /* Write pattern to GPIB data lines */
- {RD, bsr, 0xAA}, /* Verify ATN, NDAC, EOI, & IFC are set */
- {RD, dsr, 0x55}, /* Verify data pattern written previously */
- {WT, bcr, 0x00}, /* Clear control lines */
- {WT, dcr, 0x00}, /* Clear data lines */
- {RD, bsr, 0x00}, /* Verify control lines are clear */
- {RD, dsr, 0x00}, /* Verify data lines are clear */
- {END, 0, 0}
-};
-
-static struct tst tst_adr0_1[] = {
- {WT, adr, 0x55}, /* Set Primary talk address */
- {WT, adr, 0xAA}, /* Set Secondary listen address */
- {RD, adr0, 0x55}, /* Read Primary address */
- {RD, adr1, 0x2A}, /* Read Secondary address */
- {WT, adr, 0x2A}, /* Set Primay listen address */
- {WT, adr, 0xD5}, /* Set Secondary talk address */
- {RD, adr0, 0x2A}, /* Read Primary address */
- {RD, adr1, 0x55}, /* Read Secondary address */
- {END, 0, 0}
-};
-
-static struct tst tst_cdor_dir[] = {
- {WT, admr, 0xF0}, /* program AT-GPIB as talker only and
- * listener only */
- {RD, isr1, 0x02}, /* check DO bit set */
- {RD, adsr, 0x46}, /* check AT-GPIB is both talker active
- * and listener active */
- {WT, cdor, 0xAA}, /* write out data byte */
- {xDELAY, 0, 1}, /* One ISA I/O Cycle (500-ns) */
- {RD, isr1, 0x03}, /* check DO and DI bits set */
- {RD, dir, 0xAA}, /* verify data received */
- {WT, cdor, 0x55}, /* write out data byte */
- {xDELAY, 0, 1}, /* One ISA I/O Cycle (500-ns) */
- {RD, dir, 0x55}, /* verify data received */
- {END, 0, 0}
-};
-
-static struct tst tst_spmr_spsr[] = {
- {WT, spsr, 0x00}, /* Write pattern to SPSR register */
- {RD, spmr, 0x00}, /* Read back previously written pattern */
- {WT, spsr, 0xBF}, /* Write pattern to SPSR register */
- {RD, spmr, 0xBF}, /* Read back previously written pattern */
- {END, 0, 0}
-};
-
-static struct tst tst_count0_1[] = {
- {WT, cnt0, 0x55}, /* Verify every other bit can be set */
- {WT, cnt1, 0xAA},
- {RD, cnt0, 0x55}, /* Read back previously written pattern */
- {RD, cnt1, 0xAA},
- {WT, cnt0, 0xAA}, /* Verify every other bit can be set */
- {WT, cnt1, 0x55},
- {RD, cnt0, 0xAA}, /* Read back previously written pattern */
- {RD, cnt1, 0x55},
- {END, 0, 0}
-};
-
-static int
-tst_exec(struct tnt_softc *sc, struct tst *tp, const char *name)
-{
- uint8_t u;
- int step;
-
- for (step = 0; tp->action != END; tp++, step++) {
- switch (tp->action) {
- case WT:
- bus_write_1(sc->res[1], tp->reg, tp->val);
- break;
- case RD:
- u = bus_read_1(sc->res[1], tp->reg);
- if (u != tp->val) {
- printf(
- "Test %s, step %d: reg(%02x) = %02x",
- name, step, tp->reg, u);
- printf( "should have been %02x\n", tp->val);
- return (1);
- }
- break;
- case xDELAY:
- DELAY(tp->val);
- break;
- default:
- printf("Unknown action in test %s, step %d: %d\n",
- name, step, tp->action);
- return (1);
- }
- }
- if (bootverbose)
- printf("Test %s passed\n", name);
- return (0);
-}
-
-static int
-tnt_probe(device_t dev)
-{
-
- if (pci_get_vendor(dev) == 0x1093 && pci_get_device(dev) == 0xc801) {
- device_set_desc(dev, "NI PCI-GPIB");
- return (BUS_PROBE_DEFAULT);
- }
- return (ENXIO);
-}
-
-static int
-tnt_attach(device_t dev)
-{
- struct tnt_softc *sc;
- int error, i;
- uint8_t version;
-
- sc = device_get_softc(dev);
-
- error = bus_alloc_resources(dev, tnt_res_spec, sc->res);
- if (error)
- return (error);
-
- error = bus_setup_intr(dev, sc->res[2], INTR_TYPE_MISC | INTR_MPSAFE,
- NULL, upd7210intr, &sc->upd7210, &sc->intr_handler);
-
- /* IO Device Window Base Size Register (IODWBSR) */
- bus_write_4(sc->res[0], 0xc0, rman_get_start(sc->res[1]) | 0x80);
-
- tst_exec(sc, tst_reset, "Reset");
- tst_exec(sc, tst_read_reg, "Read registers");
- tst_exec(sc, tst_bsr_dcr, "BSR & DCR");
- tst_exec(sc, tst_adr0_1, "ADR0,1");
- tst_exec(sc, tst_cdor_dir, "CDOR/DIR");
- tst_exec(sc, tst_spmr_spsr, "CPMR/SPSR");
- tst_exec(sc, tst_count0_1, "COUNT0:1");
- tst_exec(sc, tst_reset, "Reset");
-
- version = bus_read_1(sc->res[1], csr);
- version = (version >> 4) & 0x0f;
- device_printf(dev, "Chip version 0x%02x (TNT%s)\n",
- version,
- version >= 4? "5004 or above": "4882");
- if (version >= 4) {
- device_printf(dev, "Forcing FIFO mode\n");
- sc->upd7210.use_fifo = 1;
- } else {
- sc->upd7210.use_fifo = 0;
- }
-
- /* pass 7210 interrupts through */
- bus_write_1(sc->res[1], imr3, 0x02);
-
- for (i = 0; i < 8; i++) {
- sc->upd7210.reg_res[i] = sc->res[1];
- sc->upd7210.reg_offset[i] = i * 2;
- }
-
- /* No DMA help */
- sc->upd7210.dmachan = -1;
-
- /* No "special interrupt handling" needed here. */
- sc->upd7210.irq_clear_res = NULL;
-
- upd7210attach(&sc->upd7210);
- device_printf(dev, "attached gpib%d\n", sc->upd7210.unit);
-
- if (sc->upd7210.use_fifo)
- bus_write_1(sc->res[0], hssel, 0x01); /* one-chip mode */
-
-
- return (0);
-}
-
-static int
-tnt_detach(device_t dev)
-{
- struct tnt_softc *sc;
-
- sc = device_get_softc(dev);
- bus_teardown_intr(dev, sc->res[2], sc->intr_handler);
- upd7210detach(&sc->upd7210);
-
- bus_release_resources(dev, tnt_res_spec, sc->res);
-
- return (0);
-}
-
-static device_method_t tnt4882_methods[] = {
- DEVMETHOD(device_probe, tnt_probe),
- DEVMETHOD(device_attach, tnt_attach),
- DEVMETHOD(device_detach, tnt_detach),
- { 0, 0 }
-};
-
-static driver_t pci_gpib_driver = {
- "tnt4882",
- tnt4882_methods,
- sizeof(struct tnt_softc)
-};
-
-static devclass_t pci_gpib_devclass;
-
-DRIVER_MODULE(pci_gpib, pci, pci_gpib_driver, pci_gpib_devclass, 0, 0);