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[src/netbsd-3]: src/sys/arch/hpcmips/dev Pull up revision 1.1 (requested by n...
details: https://anonhg.NetBSD.org/src/rev/d5e3a9fdafe1
branches: netbsd-3
changeset: 576851:d5e3a9fdafe1
user: tron <tron%NetBSD.org@localhost>
date: Thu Aug 04 18:30:30 2005 +0000
description:
Pull up revision 1.1 (requested by nakayama in ticket #637):
Add LCD and battery control support for Sharp Telios series.
diffstat:
sys/arch/hpcmips/dev/teliosio.c | 309 +++++++++++++++++++++++++++++++++++++
sys/arch/hpcmips/dev/teliosioreg.h | 55 ++++++
2 files changed, 364 insertions(+), 0 deletions(-)
diffs (truncated from 372 to 300 lines):
diff -r 5b0e079e4c6f -r d5e3a9fdafe1 sys/arch/hpcmips/dev/teliosio.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/hpcmips/dev/teliosio.c Thu Aug 04 18:30:30 2005 +0000
@@ -0,0 +1,309 @@
+/* $NetBSD: teliosio.c,v 1.1.2.2 2005/08/04 18:30:30 tron Exp $ */
+
+/*
+ * Copyright (c) 2005 Takeshi Nakayama.
+ * 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. 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.
+ */
+
+/*
+ * Sharp Telios machine dependent I/O (LCD backlight/Battery unit) driver
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: teliosio.c,v 1.1.2.2 2005/08/04 18:30:30 tron Exp $");
+
+#include "apmdev.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <machine/bus.h>
+#include <machine/config_hook.h>
+
+#include <hpcmips/tx/tx39var.h>
+#include <hpcmips/tx/txcsbusvar.h>
+
+#if NAPMDEV > 0
+#include <dev/apm/apmbios.h>
+#define __TX39IO_PRIVATE
+#include <hpcmips/tx/tx39ioreg.h>
+#include <hpcmips/tx/tx39timerreg.h>
+#endif
+
+#include <hpcmips/dev/teliosioreg.h>
+
+struct teliosio_softc {
+ struct device sc_dev;
+ tx_chipset_tag_t sc_tc;
+ bus_space_tag_t sc_regt;
+ bus_space_handle_t sc_regh;
+
+ int sc_backlight;
+ int sc_brightness;
+#define MAX_BRIGHTNESS 9
+#define BRIGHTNESSVAL(n) \
+ ((n) <= 0 ? 0 : ((n) <= MAX_BRIGHTNESS ? (n) : MAX_BRIGHTNESS) * 9 - 1)
+};
+
+static int teliosio_match(struct device *, struct cfdata *, void *);
+static void teliosio_attach(struct device *, struct device *, void *);
+static int teliosio_event(void *, int, long, void *);
+
+/* LCD backlight control */
+static void teliosio_backlight(struct teliosio_softc *, int);
+static void teliosio_brightness(struct teliosio_softc *, int);
+
+/* Battery unit control */
+#if NAPMDEV > 0
+static int teliosio_ac_state(struct teliosio_softc *);
+static int teliosio_mbu_state(struct teliosio_softc *);
+static void teliosio_mbu_write(tx_chipset_tag_t, int);
+static int teliosio_mbu_read(tx_chipset_tag_t);
+#endif
+
+CFATTACH_DECL(teliosio, sizeof(struct teliosio_softc),
+ teliosio_match, teliosio_attach, NULL, NULL);
+
+static int
+teliosio_match(struct device *parent, struct cfdata *cf, void *aux)
+{
+
+ return 2; /* attach before plumvideo */
+}
+
+static void
+teliosio_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct cs_attach_args *ca = aux;
+ struct teliosio_softc *sc = (void *)self;
+
+ sc->sc_tc = ca->ca_tc;
+ sc->sc_regt = ca->ca_csreg.cstag;
+
+ if (bus_space_map(sc->sc_regt, TELIOSIO_REGBASE, TELIOSIO_REGSIZE,
+ 0, &sc->sc_regh)) {
+ printf(": register map failed\n");
+ return;
+ }
+ printf("\n");
+
+ sc->sc_backlight = 1;
+ sc->sc_brightness = MAX_BRIGHTNESS;
+
+ config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_POWER_LCDLIGHT,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+ config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_POWER_LCDLIGHT,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+ config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+ config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+ config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS_MAX,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+#if NAPMDEV > 0
+ config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_ACADAPTER,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+ config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BATTERYVAL,
+ CONFIG_HOOK_SHARE, teliosio_event, sc);
+#endif
+}
+
+static int
+teliosio_event(void *ctx, int type, long id, void *msg)
+{
+ struct teliosio_softc *sc = ctx;
+
+ switch (type) {
+ case CONFIG_HOOK_SET:
+ switch (id) {
+ case CONFIG_HOOK_POWER_LCDLIGHT:
+ teliosio_backlight(sc, (int)msg);
+ break;
+ case CONFIG_HOOK_BRIGHTNESS:
+ teliosio_brightness(sc, *(int *)msg + 1);
+ break;
+ default:
+ return 1;
+ }
+ break;
+ case CONFIG_HOOK_GET:
+ switch (id) {
+ case CONFIG_HOOK_POWER_LCDLIGHT:
+ *(int *)msg = sc->sc_backlight;
+ break;
+ case CONFIG_HOOK_BRIGHTNESS:
+ *(int *)msg = sc->sc_brightness - 1;
+ break;
+ case CONFIG_HOOK_BRIGHTNESS_MAX:
+ *(int *)msg = MAX_BRIGHTNESS - 1;
+ break;
+#if NAPMDEV > 0
+ case CONFIG_HOOK_ACADAPTER:
+ *(int *)msg = teliosio_ac_state(sc);
+ break;
+ case CONFIG_HOOK_BATTERYVAL:
+ *(int *)msg = teliosio_mbu_state(sc) / 2;
+ break;
+#endif
+ default:
+ return 1;
+ }
+ break;
+ default:
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * LCD backlight control
+ */
+static void
+teliosio_backlight(struct teliosio_softc *sc, int on)
+{
+ int brightness;
+
+ sc->sc_backlight = on;
+ if (on) {
+ teliosio_brightness(sc, sc->sc_brightness);
+ } else {
+ brightness = sc->sc_brightness;
+ teliosio_brightness(sc, 0);
+ sc->sc_brightness = brightness;
+ }
+}
+
+static void
+teliosio_brightness(struct teliosio_softc *sc, int val)
+{
+ bus_space_tag_t regt = sc->sc_regt;
+ bus_space_handle_t regh = sc->sc_regh;
+ u_int16_t period;
+
+ if (val < 0)
+ val = 0;
+ else if (val > MAX_BRIGHTNESS)
+ val = MAX_BRIGHTNESS;
+ sc->sc_brightness = val;
+
+ period = bus_space_read_2(regt, regh, TELIOSIO_BACKLIGHT_PERIOD);
+ if (val)
+ period |= TELIOSIO_BACKLIGHT_PERIOD_EN;
+ else
+ period &= ~TELIOSIO_BACKLIGHT_PERIOD_EN;
+ bus_space_write_2(regt, regh, TELIOSIO_BACKLIGHT_PERIOD, period);
+ bus_space_write_2(regt, regh, TELIOSIO_BACKLIGHT_RESET,
+ BRIGHTNESSVAL(val));
+}
+
+/*
+ * Battery unit control
+ */
+#if NAPMDEV > 0
+static int
+teliosio_ac_state(struct teliosio_softc *sc)
+{
+ tx_chipset_tag_t tc = sc->sc_tc;
+ txreg_t reg;
+
+ reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
+ return (reg & TELIOSIO_AC_STATE) ? APM_AC_OFF : APM_AC_ON;
+}
+
+static int
+teliosio_mbu_state(struct teliosio_softc *sc)
+{
+ tx_chipset_tag_t tc = sc->sc_tc;
+ int val;
+
+ teliosio_mbu_write(tc, 0x00);
+ delay(7000);
+ val = teliosio_mbu_read(tc);
+ delay(7000);
+
+ return val;
+}
+
+#define WAIT (1000000 / TELIOSIO_BMU_CLOCK_FREQ / 2)
+
+static void
+teliosio_mbu_write(tx_chipset_tag_t tc, int val)
+{
+ txreg_t reg;
+ int s;
+ int mask;
+
+ for (mask = 0x80; mask != 0; mask >>= 1) {
+ s = splhigh();
+ reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
+ reg |= TELIOSIO_BMU_CLOCK;
+ if (val & mask)
+ reg |= TELIOSIO_BMU_DATAOUT;
+ else
+ reg &= ~TELIOSIO_BMU_DATAOUT;
+ tx_conf_write(tc, TX392X_IODATAINOUT_REG, reg);
+ splx(s);
+ delay(WAIT);
+
+ s = splhigh();
+ reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
+ reg &= ~TELIOSIO_BMU_CLOCK;
+ tx_conf_write(tc, TX392X_IODATAINOUT_REG, reg);
+ splx(s);
+ delay(WAIT);
+ }
+}
+
+static int
+teliosio_mbu_read(tx_chipset_tag_t tc)
+{
+ txreg_t reg;
+ int s;
+ int mask, val;
+
+ val = 0;
+ for (mask = 0x80; mask != 0; mask >>= 1) {
+ s = splhigh();
+ reg = tx_conf_read(tc, TX392X_IODATAINOUT_REG);
+ reg |= TELIOSIO_BMU_CLOCK;
+ tx_conf_write(tc, TX392X_IODATAINOUT_REG, reg);
+ splx(s);
+ delay(WAIT);
+
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