/*- * Copyright (c) 2003 Jake Burkholder. * 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. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define ZS_SBUS_CHAN_A 4 #define ZS_SBUS_CHAN_B 0 #define ZS_SBUS_CSR 0 #define ZS_SBUS_DATA 2 #define ZS_SBUS_CLOCK (9600 * 512) #define ZS_SBUS_CLOCK_DIV (16) #define ZS_SBUS_DEF_SPEED (9600) struct zs_sbus_softc { struct zs_softc sc_zs; struct resource *sc_irqres; int sc_irqrid; void *sc_ih; struct resource *sc_memres; int sc_memrid; }; static int zs_fhc_attach(device_t dev); static int zs_sbus_probe(device_t dev); static int zs_sbus_attach(device_t dev); static int zs_sbus_detach(device_t dev); static int zstty_sbus_attach(device_t dev); static int zstty_sbus_probe(device_t dev); static int zstty_keyboard(device_t dev); static device_method_t zs_fhc_methods[] = { DEVMETHOD(device_probe, zs_sbus_probe), DEVMETHOD(device_attach, zs_fhc_attach), DEVMETHOD(device_detach, zs_sbus_detach), DEVMETHOD(bus_print_child, bus_generic_print_child), { 0, 0 } }; static device_method_t zs_sbus_methods[] = { DEVMETHOD(device_probe, zs_sbus_probe), DEVMETHOD(device_attach, zs_sbus_attach), DEVMETHOD(device_detach, zs_sbus_detach), DEVMETHOD(bus_print_child, bus_generic_print_child), { 0, 0 } }; static device_method_t zstty_sbus_methods[] = { DEVMETHOD(device_probe, zstty_sbus_probe), DEVMETHOD(device_attach, zstty_sbus_attach), DEVMETHOD(device_detach, bus_generic_detach), { 0, 0 } }; static driver_t zs_fhc_driver = { "zs", zs_fhc_methods, sizeof(struct zs_sbus_softc), }; static driver_t zs_sbus_driver = { "zs", zs_sbus_methods, sizeof(struct zs_sbus_softc), }; static driver_t zstty_sbus_driver = { "zstty", zstty_sbus_methods, sizeof(struct zstty_softc), }; static devclass_t zs_fhc_devclass; static devclass_t zs_sbus_devclass; DRIVER_MODULE(zs, fhc, zs_fhc_driver, zs_fhc_devclass, 0, 0); DRIVER_MODULE(zs, sbus, zs_sbus_driver, zs_sbus_devclass, 0, 0); static devclass_t zstty_sbus_devclass; DRIVER_MODULE(zstty, zs, zstty_sbus_driver, zstty_sbus_devclass, 0, 0); static uint8_t zs_sbus_init_reg[16] = { 0, /* 0: CMD (reset, etc.) */ 0, /* 1: No interrupts yet. */ 0, /* 2: IVECT */ ZSWR3_RX_8 | ZSWR3_RX_ENABLE, ZSWR4_CLK_X16 | ZSWR4_ONESB | ZSWR4_EVENP, ZSWR5_TX_8 | ZSWR5_TX_ENABLE, 0, /* 6: TXSYNC/SYNCLO */ 0, /* 7: RXSYNC/SYNCHI */ 0, /* 8: alias for data port */ ZSWR9_MASTER_IE | ZSWR9_NO_VECTOR, 0, /* 10: Misc. TX/RX control bits */ ZSWR11_TXCLK_BAUD | ZSWR11_RXCLK_BAUD, ((ZS_SBUS_CLOCK/32)/ZS_SBUS_DEF_SPEED)-2, 0, ZSWR14_BAUD_ENA | ZSWR14_BAUD_FROM_PCLK, ZSWR15_BREAK_IE, }; static int zs_sbus_probe(device_t dev) { if (strcmp(ofw_bus_get_name(dev), "zs") != 0 || device_get_unit(dev) != 0) return (ENXIO); return (zs_probe(dev)); } static int zs_fhc_attach(device_t dev) { struct zs_sbus_softc *sc; sc = device_get_softc(dev); sc->sc_memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_memrid, RF_ACTIVE); if (sc->sc_memres == NULL) goto error; sc->sc_irqrid = FHC_UART; sc->sc_irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_irqrid, RF_ACTIVE); if (sc->sc_irqres == NULL) goto error; if (bus_setup_intr(dev, sc->sc_irqres, INTR_TYPE_TTY | INTR_FAST, zs_intr, sc, &sc->sc_ih) != 0) goto error; sc->sc_zs.sc_bt = rman_get_bustag(sc->sc_memres); sc->sc_zs.sc_bh = rman_get_bushandle(sc->sc_memres); return (zs_attach(dev)); error: zs_sbus_detach(dev); return (ENXIO); } static int zs_sbus_attach(device_t dev) { struct zs_sbus_softc *sc; sc = device_get_softc(dev); sc->sc_memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_memrid, RF_ACTIVE); if (sc->sc_memres == NULL) goto error; sc->sc_irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_irqrid, RF_ACTIVE); if (sc->sc_irqres == NULL) goto error; if (bus_setup_intr(dev, sc->sc_irqres, INTR_TYPE_TTY | INTR_FAST, zs_intr, sc, &sc->sc_ih) != 0) goto error; sc->sc_zs.sc_bt = rman_get_bustag(sc->sc_memres); sc->sc_zs.sc_bh = rman_get_bushandle(sc->sc_memres); return (zs_attach(dev)); error: zs_sbus_detach(dev); return (ENXIO); } static int zs_sbus_detach(device_t dev) { struct zs_sbus_softc *sc; sc = device_get_softc(dev); if (sc->sc_irqres != NULL) { if (sc->sc_ih != NULL) bus_teardown_intr(dev, sc->sc_irqres, sc->sc_ih); bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqrid, sc->sc_irqres); } if (sc->sc_memres != NULL) bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_memrid, sc->sc_memres); return (0); } static int zstty_sbus_probe(device_t dev) { if (zstty_keyboard(dev)) { if ((device_get_unit(dev) & 1) == 0) device_set_desc(dev, "keyboard"); else device_set_desc(dev, "mouse"); } else { if ((device_get_unit(dev) & 1) == 0) device_set_desc(dev, "ttya"); else device_set_desc(dev, "ttyb"); } return (zstty_probe(dev)); } static int zstty_sbus_attach(device_t dev) { struct zstty_softc *sc; sc = device_get_softc(dev); sc->sc_parent = device_get_softc(device_get_parent(dev)); sc->sc_bt = sc->sc_parent->sc_bt; sc->sc_brg_clk = ZS_SBUS_CLOCK / ZS_SBUS_CLOCK_DIV; switch (device_get_unit(dev) & 1) { case 0: bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh, ZS_SBUS_CHAN_A + ZS_SBUS_CSR, 1, &sc->sc_csr); bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh, ZS_SBUS_CHAN_A + ZS_SBUS_DATA, 1, &sc->sc_data); break; case 1: bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh, ZS_SBUS_CHAN_B + ZS_SBUS_CSR, 1, &sc->sc_csr); bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh, ZS_SBUS_CHAN_B + ZS_SBUS_DATA, 1, &sc->sc_data); break; } bcopy(zs_sbus_init_reg, sc->sc_creg, 16); bcopy(zs_sbus_init_reg, sc->sc_preg, 16); return (zstty_attach(dev)); } void zstty_set_speed(struct zstty_softc *sc, int ospeed) { sc->sc_preg[12] = ospeed; sc->sc_preg[13] = ospeed >> 8; } int zstty_console(device_t dev, char *mode, int len) { phandle_t chosen; phandle_t options; phandle_t parent; ihandle_t stdin; ihandle_t stdout; char output[32]; char input[32]; char name[32]; chosen = OF_finddevice("/chosen"); options = OF_finddevice("/options"); parent = ofw_bus_get_node(device_get_parent(dev)); if (OF_getprop(chosen, "stdin", &stdin, sizeof(stdin)) == -1 || OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) == -1 || OF_getprop(options, "input-device", input, sizeof(input)) == -1 || OF_getprop(options, "output-device", output, sizeof(output)) == -1) return (0); if (parent != OF_instance_to_package(stdin) || parent != OF_instance_to_package(stdout)) return (0); if ((strcmp(input, device_get_desc(dev)) == 0 && strcmp(output, device_get_desc(dev)) == 0) || (strcmp(input, "keyboard") == 0 && strcmp(output, "screen") == 0 && (device_get_unit(dev) & 1) == 0 && !zstty_keyboard(dev))) { if (mode != NULL) { sprintf(name, "%s-mode", device_get_desc(dev)); return (OF_getprop(options, name, mode, len) != -1); } else return (1); } return (0); } static int zstty_keyboard(device_t dev) { return (OF_getproplen(ofw_bus_get_node(device_get_parent(dev)), "keyboard") == 0); }