diff options
Diffstat (limited to 'sys/arch/sgi/hpc/panel.c')
| -rw-r--r-- | sys/arch/sgi/hpc/panel.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/sys/arch/sgi/hpc/panel.c b/sys/arch/sgi/hpc/panel.c deleted file mode 100644 index b4fdc9dca61..00000000000 --- a/sys/arch/sgi/hpc/panel.c +++ /dev/null @@ -1,226 +0,0 @@ -/* $OpenBSD: panel.c,v 1.3 2014/07/11 08:18:31 guenther Exp $ */ - -/* - * Copyright (c) 2012 Miodrag Vallat. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/device.h> -#include <sys/proc.h> -#include <sys/signalvar.h> -#include <sys/timeout.h> - -#include <machine/autoconf.h> -#include <mips64/archtype.h> -#include <machine/bus.h> - -#include <sgi/hpc/iocreg.h> -#include <sgi/hpc/hpcreg.h> -#include <sgi/hpc/hpcvar.h> - -#include <sgi/sgi/ip22.h> - -#include "audio.h" -#include "wskbd.h" -extern int wskbd_set_mixervolume(long, long); - -struct panel_softc { - struct device sc_dev; - bus_space_tag_t sc_iot; - bus_space_handle_t sc_ioh; - int sc_irq; /* irq number */ - void *sc_ih; /* irq handler cookie */ - struct timeout sc_repeat_tmo; /* polling timeout */ -}; - -/* Repeat delays for volume buttons. */ -#define PANEL_REPEAT_FIRST 400 -#define PANEL_REPEAT_NEXT 100 - -int panel_match(struct device *, void *, void *); -void panel_attach(struct device *, struct device *, void *); - -struct cfdriver panel_cd = { - NULL, "panel", DV_DULL -}; - -const struct cfattach panel_ca = { - sizeof(struct panel_softc), panel_match, panel_attach -}; - -int panel_intr(void *); -void panel_repeat(void *); -#if NAUDIO > 0 && NWSKBD > 0 -void panel_volume_adjust(struct panel_softc *, uint8_t); -#endif - -int -panel_match(struct device *parent, void *vcf, void *aux) -{ - struct cfdata *cf = vcf; - struct hpc_attach_args *ha = aux; - - if (strcmp(ha->ha_name, cf->cf_driver->cd_name) != 0) - return 0; - - if (sys_config.system_type == SGI_IP20) - return 0; - - return 1; -} - -void -panel_attach(struct device *parent, struct device *self, void *aux) -{ - struct panel_softc *sc = (struct panel_softc *)self; - struct hpc_attach_args *haa = aux; - - sc->sc_iot = haa->ha_st; - if (bus_space_subregion(haa->ha_st, haa->ha_sh, haa->ha_devoff + 3, 1, - &sc->sc_ioh)) { - printf(": can't map registers\n"); - return; - } - - sc->sc_irq = haa->ha_irq; - sc->sc_ih = hpc_intr_establish(sc->sc_irq, IPL_BIO, panel_intr, sc, - sc->sc_dev.dv_xname); - if (sc->sc_ih == NULL) { - printf(": can't establish interrupt\n"); - return; - } - - if (sys_config.system_subtype == IP22_INDY) - printf(": power and volume buttons\n"); - else - printf(": power button\n"); - - timeout_set(&sc->sc_repeat_tmo, panel_repeat, sc); -} - -int -panel_intr(void *v) -{ - struct panel_softc *sc = (struct panel_softc *)v; - uint8_t reg, ack; - extern int allowpowerdown; - - reg = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 0); - - ack = IOC_PANEL_POWER_STATE; - if (sys_config.system_subtype == IP22_INDIGO2 || - (reg & IOC_PANEL_POWER_IRQ) == 0) - ack |= IOC_PANEL_POWER_IRQ; - if (sys_config.system_subtype == IP22_INDY) { - if ((reg & IOC_PANEL_VDOWN_IRQ) == 0) - ack |= IOC_PANEL_VDOWN_IRQ; - if ((reg & IOC_PANEL_VUP_IRQ) == 0) - ack |= IOC_PANEL_VUP_IRQ; - } - bus_space_write_1(sc->sc_iot, sc->sc_ioh, 0, ack); - bus_space_barrier(sc->sc_iot, sc->sc_ioh, 0, 1, - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); - - /* - * Panel interrupts are latched for about 300 msec after being - * acked, and not until all buttons are depressed. - * We need to temporary disable the interrupt and switch to polling, - * until the interrupt can be enabled again. - */ - hpc_intr_disable(sc->sc_ih); - - /* - * If the power button is down, try and issue a shutdown immediately - * (if allowed). - */ - if (sys_config.system_subtype == IP22_INDIGO2 || - (reg & IOC_PANEL_POWER_IRQ) == 0) { - if (allowpowerdown == 1) { - allowpowerdown = 0; - prsignal(initprocess, SIGUSR2); - } - } - -#if NAUDIO > 0 && NWSKBD > 0 - /* - * If any of the volume buttons is down, update volume. - */ - if (sys_config.system_subtype == IP22_INDY) - panel_volume_adjust(sc, reg); -#endif - - timeout_add_msec(&sc->sc_repeat_tmo, PANEL_REPEAT_FIRST); - - return 1; -} - -void -panel_repeat(void *v) -{ - struct panel_softc *sc = (struct panel_softc *)v; - uint8_t reg; - - reg = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 0); - -#if NAUDIO > 0 && NWSKBD > 0 - /* - * Volume button autorepeat. - */ - if (sys_config.system_subtype == IP22_INDY) - panel_volume_adjust(sc, reg); -#endif - - if (hpc_is_intr_pending(sc->sc_irq)) { - /* - * Keep acking everything to get the interrupt finally - * unlatched. - */ - bus_space_write_1(sc->sc_iot, sc->sc_ioh, 0, - IOC_PANEL_POWER_STATE | IOC_PANEL_POWER_IRQ | - IOC_PANEL_VDOWN_IRQ | IOC_PANEL_VDOWN_HOLD | - IOC_PANEL_VUP_IRQ | IOC_PANEL_VUP_HOLD); - bus_space_barrier(sc->sc_iot, sc->sc_ioh, 0, 1, - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); - - timeout_add_msec(&sc->sc_repeat_tmo, PANEL_REPEAT_NEXT); - } else { - hpc_intr_enable(sc->sc_ih); - } -} - -#if NAUDIO > 0 && NWSKBD > 0 -void -panel_volume_adjust(struct panel_softc *sc, uint8_t reg) -{ - long adjust; - - switch (reg & (IOC_PANEL_VDOWN_IRQ | IOC_PANEL_VUP_IRQ)) { - case 0: /* both buttons pressed: mute */ - adjust = 0; - break; - case IOC_PANEL_VDOWN_IRQ: /* up button pressed */ - adjust = 1; - break; - case IOC_PANEL_VDUP_IRQ: /* down button pressed */ - adjust = -1; - break; - case IOC_PANEL_VDOWN_IRQ | IOC_PANEL_VDUP_IRQ: - return; - } - - wskbd_set_mixervolume(adjust, 1); -} -#endif |