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isa_common.c
(26.61 KB)
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isa_common.h
(2.93 KB)
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isa_dmareg.h
(2.43 KB)
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isa_if.m
(2.38 KB)
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isahint.c
(5.26 KB)
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isareg.h
(2.48 KB)
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isavar.h
(5.81 KB)
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pnp.c
(19.04 KB)
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pnpparse.c
(14.81 KB)
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pnpreg.h
(9.02 KB)
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pnpvar.h
(2.53 KB)
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rtc.h
(4.98 KB)
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syscons_isa.c
(5.27 KB)
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vga_isa.c
(8.87 KB)
Editing: syscons_isa.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> * 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 as * the first lines of this file unmodified. * 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 AUTHORS ``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 AUTHORS 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 <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include "opt_syscons.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/bus.h> #include <sys/cons.h> #include <sys/kbio.h> #include <sys/consio.h> #include <sys/sysctl.h> #if defined(__i386__) || defined(__amd64__) #include <machine/clock.h> #include <machine/md_var.h> #include <machine/pc/bios.h> #include <vm/vm.h> #include <vm/pmap.h> #include <vm/vm_param.h> #define BIOS_CLKED (1 << 6) #define BIOS_NLKED (1 << 5) #define BIOS_SLKED (1 << 4) #define BIOS_ALKED 0 #endif #include <dev/syscons/syscons.h> #include <isa/isavar.h> static devclass_t sc_devclass; static sc_softc_t main_softc; static void scidentify(driver_t *driver, device_t parent) { BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "sc", 0); } static int scprobe(device_t dev) { /* No pnp support */ if (isa_get_vendorid(dev)) return (ENXIO); device_set_desc(dev, "System console"); return (sc_probe_unit(device_get_unit(dev), device_get_flags(dev))); } static int scattach(device_t dev) { return (sc_attach_unit(device_get_unit(dev), device_get_flags(dev) | SC_AUTODETECT_KBD)); } int sc_max_unit(void) { return (devclass_get_maxunit(sc_devclass)); } sc_softc_t *sc_get_softc(int unit, int flags) { sc_softc_t *sc; if (unit < 0) return (NULL); if ((flags & SC_KERNEL_CONSOLE) != 0) { /* FIXME: clear if it is wired to another unit! */ sc = &main_softc; } else { sc = device_get_softc(devclass_get_device(sc_devclass, unit)); if (sc == NULL) return (NULL); } sc->unit = unit; if ((sc->flags & SC_INIT_DONE) == 0) { sc->adapter = -1; sc->cursor_char = SC_CURSOR_CHAR; sc->mouse_char = SC_MOUSE_CHAR; } return (sc); } sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd) { sc_softc_t *sc; int i; int units; sc = &main_softc; if ((adp == NULL || adp == sc->adp) && (kbd == NULL || kbd == sc->kbd)) return (sc); units = devclass_get_maxunit(sc_devclass); for (i = 0; i < units; ++i) { sc = device_get_softc(devclass_get_device(sc_devclass, i)); if (sc == NULL) continue; if ((adp == NULL || adp == sc->adp) && (kbd == NULL || kbd == sc->kbd)) return (sc); } return (NULL); } int sc_get_cons_priority(int *unit, int *flags) { const char *at; int f, u; *unit = -1; for (u = 0; u < 16; u++) { if (resource_disabled(SC_DRIVER_NAME, u)) continue; if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0) continue; if (resource_int_value(SC_DRIVER_NAME, u, "flags", &f) != 0) f = 0; if (f & SC_KERNEL_CONSOLE) { /* the user designates this unit to be the console */ *unit = u; *flags = f; break; } if (*unit < 0) { /* ...otherwise remember the first found unit */ *unit = u; *flags = f; } } if (*unit < 0) { *unit = 0; *flags = 0; } #if 0 return ((*flags & SC_KERNEL_CONSOLE) != 0 ? CN_INTERNAL : CN_NORMAL); #endif return (CN_INTERNAL); } void sc_get_bios_values(bios_values_t *values) { #if defined(__i386__) || defined(__amd64__) uint8_t shift; shift = *(uint8_t *)BIOS_PADDRTOVADDR(0x417); values->shift_state = ((shift & BIOS_CLKED) != 0 ? CLKED : 0) | ((shift & BIOS_NLKED) != 0 ? NLKED : 0) | ((shift & BIOS_SLKED) != 0 ? SLKED : 0) | ((shift & BIOS_ALKED) != 0 ? ALKED : 0); #endif values->bell_pitch = BELL_PITCH; } int sc_tone(int herz) { #if defined(HAS_TIMER_SPKR) if (herz) { if (timer_spkr_acquire()) return (EBUSY); timer_spkr_setfreq(herz); } else timer_spkr_release(); #endif return (0); } static device_method_t sc_methods[] = { DEVMETHOD(device_identify, scidentify), DEVMETHOD(device_probe, scprobe), DEVMETHOD(device_attach, scattach), { 0, 0 } }; static driver_t sc_driver = { SC_DRIVER_NAME, sc_methods, sizeof(sc_softc_t), }; DRIVER_MODULE(sc, isa, sc_driver, sc_devclass, 0, 0);
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