412 lines
10 KiB
C
412 lines
10 KiB
C
/* $NetBSD: aiboost.c,v 1.20 2007/12/13 15:36:29 xtraeme Exp $ */
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/*-
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* Copyright (c) 2007 Juan Romero Pardines
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* Copyright (c) 2006 Takanori Watanabe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: aiboost.c,v 1.20 2007/12/13 15:36:29 xtraeme Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/mutex.h>
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#include <sys/kmem.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#include <dev/sysmon/sysmonvar.h>
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#ifdef AIBOOST_DEBUG
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#define DPRINTF(x) do { printf x; } while (/* CONSTCOND */ 0)
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#else
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#define DPRINTF(x)
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#endif
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struct aiboost_elem {
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ACPI_HANDLE h;
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UINT32 id;
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char desc[256];
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};
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struct aiboost_comp {
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unsigned int num;
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struct aiboost_elem elem[1];
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};
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struct aiboost_softc {
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struct acpi_devnode *sc_node; /* ACPI devnode */
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struct aiboost_comp *sc_aitemp, *sc_aivolt, *sc_aifan;
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struct sysmon_envsys *sc_sme;
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envsys_data_t *sc_sensor;
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kmutex_t sc_mtx;
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};
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static ACPI_STATUS aiboost_getcomp(ACPI_HANDLE *,
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const char *,
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struct aiboost_comp **);
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static int aiboost_get_value(ACPI_HANDLE, const char *, UINT32);
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/* sysmon_envsys(9) glue */
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static void aiboost_setup_sensors(struct aiboost_softc *);
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static void aiboost_refresh_sensors(struct sysmon_envsys *,
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envsys_data_t *);
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/* autoconf(9) glue */
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static int aiboost_acpi_match(device_t, struct cfdata *, void *);
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static void aiboost_acpi_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(aiboost, sizeof(struct aiboost_softc), aiboost_acpi_match,
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aiboost_acpi_attach, NULL, NULL);
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/*
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* Supported device IDs
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*/
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static const char * const aiboost_acpi_ids[] = {
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"ATK0110",
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NULL
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};
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static int
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aiboost_acpi_match(device_t parent, struct cfdata *match, void *aux)
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{
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struct acpi_attach_args *aa = aux;
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if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
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return 0;
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return acpi_match_hid(aa->aa_node->ad_devinfo, aiboost_acpi_ids);
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}
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static void
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aiboost_acpi_attach(device_t parent, device_t self, void *aux)
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{
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struct aiboost_softc *sc = device_private(self);
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struct acpi_attach_args *aa = aux;
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ACPI_HANDLE *handl;
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int i, maxsens, error = 0;
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sc->sc_node = aa->aa_node;
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handl = sc->sc_node->ad_handle;
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aprint_naive("\n");
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aprint_normal("\n");
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aprint_normal_dev(self, "ASUS AI Boost Hardware monitor\n");
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if (ACPI_FAILURE(aiboost_getcomp(handl, "TSIF", &sc->sc_aitemp)))
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return;
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if (ACPI_FAILURE(aiboost_getcomp(handl, "VSIF", &sc->sc_aivolt)))
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return;
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if (ACPI_FAILURE(aiboost_getcomp(handl, "FSIF", &sc->sc_aifan)))
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return;
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mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE);
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/* Initialize sensors */
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maxsens = sc->sc_aivolt->num + sc->sc_aitemp->num + sc->sc_aifan->num;
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DPRINTF(("%s: maxsens=%d\n", __func__, maxsens));
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sc->sc_sme = sysmon_envsys_create();
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sc->sc_sensor = kmem_zalloc(sizeof(envsys_data_t) * maxsens,
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KM_NOSLEEP);
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if (!sc->sc_sensor)
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goto bad2;
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/*
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* Set properties in sensors.
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*/
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aiboost_setup_sensors(sc);
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/*
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* Add the sensors into the sysmon_envsys device.
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*/
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for (i = 0; i < maxsens; i++) {
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if (sysmon_envsys_sensor_attach(sc->sc_sme,
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&sc->sc_sensor[i]))
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goto bad;
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}
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/*
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* Register the sysmon_envsys device.
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*/
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sc->sc_sme->sme_name = device_xname(self);
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sc->sc_sme->sme_cookie = sc;
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sc->sc_sme->sme_refresh = aiboost_refresh_sensors;
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if ((error = sysmon_envsys_register(sc->sc_sme))) {
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aprint_error_dev(self, "unable to register with sysmon "
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"(error=%d)\n", error);
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goto bad;
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}
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if (!pmf_device_register(self, NULL, NULL))
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aprint_error_dev(self, "couldn't establish power handler\n");
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return;
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bad:
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kmem_free(sc->sc_sensor, sizeof(*sc->sc_sensor));
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bad2:
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sysmon_envsys_destroy(sc->sc_sme);
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mutex_destroy(&sc->sc_mtx);
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}
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#define COPYDESCR(x, y) \
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do { \
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strlcpy((x), (y), sizeof(x)); \
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} while (/* CONSTCOND */ 0)
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static void
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aiboost_setup_sensors(struct aiboost_softc *sc)
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{
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int i, j;
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/* Temperatures */
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for (i = 0; i < sc->sc_aitemp->num; i++) {
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sc->sc_sensor[i].units = ENVSYS_STEMP;
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COPYDESCR(sc->sc_sensor[i].desc, sc->sc_aitemp->elem[i].desc);
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DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
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i, sc->sc_sensor[i].desc, i, sc->sc_aitemp->elem[i].desc));
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}
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/* skip temperatures */
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j = sc->sc_aitemp->num;
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/* Voltages */
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for (i = 0; i < sc->sc_aivolt->num; i++, j++) {
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sc->sc_sensor[j].units = ENVSYS_SVOLTS_DC;
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COPYDESCR(sc->sc_sensor[j].desc, sc->sc_aivolt->elem[i].desc);
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DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
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j, sc->sc_sensor[j].desc, i, sc->sc_aivolt->elem[i].desc));
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}
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/* skip voltages */
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j = sc->sc_aitemp->num + sc->sc_aivolt->num;
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/* Fans */
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for (i = 0; i < sc->sc_aifan->num; i++, j++) {
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sc->sc_sensor[j].units = ENVSYS_SFANRPM;
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COPYDESCR(sc->sc_sensor[j].desc, sc->sc_aifan->elem[i].desc);
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DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
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j, sc->sc_sensor[j].desc, i, sc->sc_aifan->elem[i].desc));
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}
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}
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static void
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aiboost_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata)
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{
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struct aiboost_softc *sc = sme->sme_cookie;
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ACPI_HANDLE *h = sc->sc_node->ad_handle;
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int i, j, val;
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mutex_enter(&sc->sc_mtx);
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j = 0;
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i = edata->sensor; /* sensor number */
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#define AIBOOST_INVALIDATE_SENSOR() \
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do { \
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if (val == -1 || val == 0) { \
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edata->state = ENVSYS_SINVALID; \
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goto out; \
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} \
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} while (/* CONSTCOND */ 0)
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switch (edata->units) {
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case ENVSYS_STEMP:
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/* Temperatures */
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val = aiboost_get_value(h, "RTMP", sc->sc_aitemp->elem[i].id);
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AIBOOST_INVALIDATE_SENSOR();
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/* envsys(4) wants mK... convert from Celsius. */
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edata->value_cur = val * 100000 + 273150000;
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DPRINTF(("%s: temp[%d] value_cur=%d val=%d j=%d\n", __func__,
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i, edata->value_cur, val, j));
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break;
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case ENVSYS_SVOLTS_DC:
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/* Voltages */
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j = i - sc->sc_aitemp->num;
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val = aiboost_get_value(h, "RVLT", sc->sc_aivolt->elem[j].id);
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AIBOOST_INVALIDATE_SENSOR();
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/* envsys(4) wants mV... */
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edata->value_cur = val * 10000;
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edata->value_cur /= 10;
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DPRINTF(("%s: volt[%d] value_cur=%d val=%d j=%d\n", __func__,
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i, edata->value_cur, val, j));
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break;
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case ENVSYS_SFANRPM:
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/* Fans */
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j = i - (sc->sc_aitemp->num + sc->sc_aivolt->num);
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val = aiboost_get_value(h, "RFAN", sc->sc_aifan->elem[j].id);
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AIBOOST_INVALIDATE_SENSOR();
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edata->value_cur = val;
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DPRINTF(("%s: fan[%d] val=%d j=%d\n", __func__, i, val, j));
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break;
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}
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edata->state = ENVSYS_SVALID;
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out:
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mutex_exit(&sc->sc_mtx);
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}
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static int
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aiboost_get_value(ACPI_HANDLE handle, const char *path, UINT32 number)
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{
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ACPI_OBJECT arg1, *ret;
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ACPI_OBJECT_LIST args;
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ACPI_BUFFER buf;
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int val;
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buf.Length = ACPI_ALLOCATE_BUFFER;
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buf.Pointer = 0;
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arg1.Type = ACPI_TYPE_INTEGER;
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arg1.Integer.Value = number;
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args.Count = 1;
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args.Pointer = &arg1;
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if (ACPI_FAILURE(AcpiEvaluateObject(handle, path, &args, &buf)))
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return -1;
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ret = buf.Pointer;
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val = (ret->Type == ACPI_TYPE_INTEGER) ? ret->Integer.Value : -1;
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AcpiOsFree(buf.Pointer);
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return val;
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}
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static ACPI_STATUS
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aiboost_getcomp(ACPI_HANDLE *h, const char *name, struct aiboost_comp **comp)
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{
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ACPI_BUFFER buf, buf2;
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ACPI_OBJECT *o, *elem, *subobj, *myobj;
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ACPI_STATUS status;
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struct aiboost_comp *c = NULL;
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int i;
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const char *str = NULL;
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size_t length;
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status = acpi_eval_struct(h, name, &buf);
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if (ACPI_FAILURE(status)) {
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DPRINTF(("%s: acpi_eval_struct\n", __func__));
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return status;
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}
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o = buf.Pointer;
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if (o->Type != ACPI_TYPE_PACKAGE) {
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DPRINTF(("%s: o->Type != ACPI_TYPE_PACKAGE\n", __func__));
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goto error;
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}
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elem = o->Package.Elements;
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if (elem->Type != ACPI_TYPE_INTEGER) {
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DPRINTF(("%s: elem->Type != ACPI_TYPE_INTEGER\n", __func__));
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goto error;
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}
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c = kmem_zalloc(sizeof(struct aiboost_comp) +
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sizeof(struct aiboost_elem) * (elem->Integer.Value - 1),
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KM_NOSLEEP);
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if (!c)
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goto error;
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*comp = c;
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c->num = elem->Integer.Value;
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for (i = 1; i < o->Package.Count; i++) {
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elem = &o->Package.Elements[i];
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if (elem->Type != ACPI_TYPE_ANY) {
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DPRINTF(("%s: elem->Type != ACPI_TYPE_ANY\n",
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__func__));
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goto error;
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}
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c->elem[i - 1].h = elem->Reference.Handle;
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status = acpi_eval_struct(c->elem[i - 1].h, NULL, &buf2);
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if (ACPI_FAILURE(status)) {
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DPRINTF(("%s; fetching object in buf2\n",
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__func__));
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goto error;
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}
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subobj = buf2.Pointer;
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myobj = &subobj->Package.Elements[0];
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/* Get UID */
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if (myobj == NULL || myobj->Type != ACPI_TYPE_INTEGER)
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goto error;
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c->elem[i - 1].id = myobj->Integer.Value;
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/* Get string */
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myobj = &subobj->Package.Elements[1];
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if (myobj == NULL) {
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DPRINTF(("%s: myobj is NULL\n", __func__));
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goto error;
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}
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switch (myobj->Type) {
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case ACPI_TYPE_STRING:
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str = myobj->String.Pointer;
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length = myobj->String.Length;
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break;
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case ACPI_TYPE_BUFFER:
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str = myobj->Buffer.Pointer;
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length = myobj->Buffer.Length;
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break;
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default:
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goto error;
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}
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DPRINTF(("%s: id=%d str=%s\n", __func__,
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c->elem[i - 1].id, str));
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(void)memcpy(c->elem[i - 1].desc, str, length);
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if (buf2.Pointer)
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AcpiOsFree(buf2.Pointer);
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}
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if (buf.Pointer)
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AcpiOsFree(buf.Pointer);
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return 0;
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error:
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if (buf.Pointer)
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AcpiOsFree(buf.Pointer);
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if (buf2.Pointer)
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AcpiOsFree(buf2.Pointer);
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if (c)
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kmem_free(c, sizeof(*c));
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return AE_BAD_DATA;
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}
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