diff options
| -rw-r--r-- | sys/dev/sbus/apio.c | 252 | ||||
| -rw-r--r-- | sys/dev/sbus/files.sbus | 7 |
2 files changed, 258 insertions, 1 deletions
diff --git a/sys/dev/sbus/apio.c b/sys/dev/sbus/apio.c new file mode 100644 index 00000000000..d14e5151424 --- /dev/null +++ b/sys/dev/sbus/apio.c @@ -0,0 +1,252 @@ +/* $OpenBSD: apio.c,v 1.1 2002/03/14 19:18:29 jason Exp $ */ + +/* + * Copyright (c) 2002 Jason L. Wright (jason@thought.net) + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jason L. Wright + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 Aurora 210SJ parallel ports. + */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/device.h> +#include <sys/conf.h> +#include <sys/timeout.h> +#include <sys/tty.h> + +#include <machine/bus.h> +#include <machine/autoconf.h> +#include <machine/openfirm.h> + +#include <dev/sbus/sbusvar.h> +#include <dev/sbus/asioreg.h> +#include <dev/ic/lptvar.h> +#include "apio.h" +#include "lpt.h" + +struct apio_softc { + struct device sc_dev; + bus_space_tag_t sc_bt; + bus_space_handle_t sc_csr_h; + bus_space_handle_t sc_clk_h; + bus_space_handle_t sc_lpt_h; + void *sc_ih; + struct device *sc_port; +}; + +struct apio_attach_args { + char *aaa_name; + bus_space_tag_t aaa_iot; + bus_space_handle_t aaa_ioh; + bus_space_handle_t aaa_clkh; + u_int32_t aaa_pri; + u_int8_t aaa_inten; +}; + +int apio_match(struct device *, void *, void *); +void apio_attach(struct device *, struct device *, void *); +int apio_print(void *, const char *); +void apio_intr_enable(struct device *, u_int8_t); + +struct cfattach apio_ca = { + sizeof(struct apio_softc), apio_match, apio_attach +}; + +struct cfdriver apio_cd = { + NULL, "apio", DV_DULL +}; + +int +apio_match(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + struct sbus_attach_args *sa = aux; + + if (strcmp(sa->sa_name, "pio1") == 0) + return (1); + return (0); +} + +void +apio_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct apio_softc *sc = (void *)self; + struct sbus_attach_args *sa = aux; + struct apio_attach_args aaa; + char *model; + + sc->sc_bt = sa->sa_bustag; + + model = getpropstring(sa->sa_node, "model"); + if (model == NULL) { + printf(": empty model, unsupported\n"); + return; + } + if (strcmp(model, "210sj") != 0) { + printf(": unsupported model %s\n", model); + return; + } + + if (sa->sa_nreg < 3) { + printf(": %d registers expected, got %d\n", + 3, sa->sa_nreg); + return; + } + + if (sbus_bus_map(sa->sa_bustag, + sa->sa_reg[0].sbr_slot, + sa->sa_reg[0].sbr_offset, + sa->sa_reg[0].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_csr_h)) { + printf(": couldn't map csr\n"); + return; + } + + if (sbus_bus_map(sa->sa_bustag, + sa->sa_reg[1].sbr_slot, + sa->sa_reg[1].sbr_offset, + sa->sa_reg[1].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_clk_h)) { + printf(": couldn't map clk\n"); + return; + } + + if (sbus_bus_map(sa->sa_bustag, + sa->sa_reg[2].sbr_slot, + sa->sa_reg[2].sbr_offset, + sa->sa_reg[2].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &sc->sc_lpt_h)) { + printf(": couldn't map clk\n"); + return; + } + + printf(": %s\n", model); + + aaa.aaa_name = "lpt"; + aaa.aaa_iot = sc->sc_bt; + aaa.aaa_ioh = sc->sc_lpt_h; + aaa.aaa_clkh = sc->sc_clk_h; + aaa.aaa_inten = ASIO_CSR_SJ_PAR_INTEN; + aaa.aaa_pri = sa->sa_intr[0].sbi_pri; + sc->sc_port = config_found(self, &aaa, apio_print); +} + +int +apio_print(aux, name) + void *aux; + const char *name; +{ + struct apio_attach_args *aaa; + + if (name != NULL) + printf("%s at %s", aaa->aaa_name, name); + return (UNCONF); +} + +#if NLPT_APIO > 0 +int lpt_apio_match(struct device *, void *, void *); +void lpt_apio_attach(struct device *, struct device *, void *); +int lpt_apio_intr(void *); + +struct lpt_apio_softc { + struct lpt_softc sc_lpt; + bus_space_handle_t sc_clk_h; + void *sc_ih; +}; + +struct cfattach lpt_apio_ca = { + sizeof(struct lpt_apio_softc), lpt_apio_match, lpt_apio_attach +}; + +void +apio_intr_enable(dv, en) + struct device *dv; + u_int8_t en; +{ + struct apio_softc *sc = (struct apio_softc *)dv; + u_int8_t csr; + + csr = bus_space_read_1(sc->sc_bt, sc->sc_csr_h, 0); + csr &= ~(ASIO_CSR_SBUS_INT7 | ASIO_CSR_SBUS_INT6); + csr |= ASIO_CSR_SBUS_INT5 | en; + bus_space_write_1(sc->sc_bt, sc->sc_csr_h, 0, csr); +} + +int +lpt_apio_match(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + return (1); +} + +void +lpt_apio_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct lpt_apio_softc *sc = (struct lpt_apio_softc *)self; + struct apio_attach_args *aaa = aux; + + sc->sc_lpt.sc_state = 0; + sc->sc_lpt.sc_iot = aaa->aaa_iot; + sc->sc_lpt.sc_ioh = aaa->aaa_ioh; + sc->sc_clk_h = aaa->aaa_clkh; + sc->sc_ih = bus_intr_establish(aaa->aaa_iot, aaa->aaa_pri, + IPL_TTY, 0, lpt_apio_intr, sc); + if (sc->sc_ih == NULL) { + printf(": cannot allocate intr\n"); + return; + } + apio_intr_enable(parent, aaa->aaa_inten); + + lpt_attach_common(&sc->sc_lpt); +} + +int +lpt_apio_intr(vsc) + void *vsc; +{ + struct lpt_apio_softc *sc = vsc; + int r; + + r = lptintr(&sc->sc_lpt); + bus_space_read_1(sc->sc_lpt.sc_iot, sc->sc_clk_h, 0); + return (r); +} +#endif diff --git a/sys/dev/sbus/files.sbus b/sys/dev/sbus/files.sbus index e309fb9e1f5..271663c83ed 100644 --- a/sys/dev/sbus/files.sbus +++ b/sys/dev/sbus/files.sbus @@ -1,4 +1,4 @@ -# $OpenBSD: files.sbus,v 1.15 2002/03/14 15:42:43 jason Exp $ +# $OpenBSD: files.sbus,v 1.16 2002/03/14 19:18:29 jason Exp $ # $NetBSD: files.sbus,v 1.16 2000/12/08 17:29:12 martin Exp $ # # Config file and device description for machine-independent SBUS code. @@ -83,3 +83,8 @@ device asio {} attach asio at sbus attach com at asio with com_asio file dev/sbus/asio.c asio | com_asio needs-flag + +device apio {} +attach apio at sbus +attach lpt at apio with lpt_apio +file dev/sbus/apio.c apio | lpt_apio needs-flag |