NetBSD/sys/dev/acpi/aiboost.c

412 lines
10 KiB
C

/* $NetBSD: aiboost.c,v 1.20 2007/12/13 15:36:29 xtraeme Exp $ */
/*-
* Copyright (c) 2007 Juan Romero Pardines
* Copyright (c) 2006 Takanori Watanabe
* 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: aiboost.c,v 1.20 2007/12/13 15:36:29 xtraeme Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/mutex.h>
#include <sys/kmem.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/sysmon/sysmonvar.h>
#ifdef AIBOOST_DEBUG
#define DPRINTF(x) do { printf x; } while (/* CONSTCOND */ 0)
#else
#define DPRINTF(x)
#endif
struct aiboost_elem {
ACPI_HANDLE h;
UINT32 id;
char desc[256];
};
struct aiboost_comp {
unsigned int num;
struct aiboost_elem elem[1];
};
struct aiboost_softc {
struct acpi_devnode *sc_node; /* ACPI devnode */
struct aiboost_comp *sc_aitemp, *sc_aivolt, *sc_aifan;
struct sysmon_envsys *sc_sme;
envsys_data_t *sc_sensor;
kmutex_t sc_mtx;
};
static ACPI_STATUS aiboost_getcomp(ACPI_HANDLE *,
const char *,
struct aiboost_comp **);
static int aiboost_get_value(ACPI_HANDLE, const char *, UINT32);
/* sysmon_envsys(9) glue */
static void aiboost_setup_sensors(struct aiboost_softc *);
static void aiboost_refresh_sensors(struct sysmon_envsys *,
envsys_data_t *);
/* autoconf(9) glue */
static int aiboost_acpi_match(device_t, struct cfdata *, void *);
static void aiboost_acpi_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(aiboost, sizeof(struct aiboost_softc), aiboost_acpi_match,
aiboost_acpi_attach, NULL, NULL);
/*
* Supported device IDs
*/
static const char * const aiboost_acpi_ids[] = {
"ATK0110",
NULL
};
static int
aiboost_acpi_match(device_t parent, struct cfdata *match, void *aux)
{
struct acpi_attach_args *aa = aux;
if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
return 0;
return acpi_match_hid(aa->aa_node->ad_devinfo, aiboost_acpi_ids);
}
static void
aiboost_acpi_attach(device_t parent, device_t self, void *aux)
{
struct aiboost_softc *sc = device_private(self);
struct acpi_attach_args *aa = aux;
ACPI_HANDLE *handl;
int i, maxsens, error = 0;
sc->sc_node = aa->aa_node;
handl = sc->sc_node->ad_handle;
aprint_naive("\n");
aprint_normal("\n");
aprint_normal_dev(self, "ASUS AI Boost Hardware monitor\n");
if (ACPI_FAILURE(aiboost_getcomp(handl, "TSIF", &sc->sc_aitemp)))
return;
if (ACPI_FAILURE(aiboost_getcomp(handl, "VSIF", &sc->sc_aivolt)))
return;
if (ACPI_FAILURE(aiboost_getcomp(handl, "FSIF", &sc->sc_aifan)))
return;
mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE);
/* Initialize sensors */
maxsens = sc->sc_aivolt->num + sc->sc_aitemp->num + sc->sc_aifan->num;
DPRINTF(("%s: maxsens=%d\n", __func__, maxsens));
sc->sc_sme = sysmon_envsys_create();
sc->sc_sensor = kmem_zalloc(sizeof(envsys_data_t) * maxsens,
KM_NOSLEEP);
if (!sc->sc_sensor)
goto bad2;
/*
* Set properties in sensors.
*/
aiboost_setup_sensors(sc);
/*
* Add the sensors into the sysmon_envsys device.
*/
for (i = 0; i < maxsens; i++) {
if (sysmon_envsys_sensor_attach(sc->sc_sme,
&sc->sc_sensor[i]))
goto bad;
}
/*
* Register the sysmon_envsys device.
*/
sc->sc_sme->sme_name = device_xname(self);
sc->sc_sme->sme_cookie = sc;
sc->sc_sme->sme_refresh = aiboost_refresh_sensors;
if ((error = sysmon_envsys_register(sc->sc_sme))) {
aprint_error_dev(self, "unable to register with sysmon "
"(error=%d)\n", error);
goto bad;
}
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
return;
bad:
kmem_free(sc->sc_sensor, sizeof(*sc->sc_sensor));
bad2:
sysmon_envsys_destroy(sc->sc_sme);
mutex_destroy(&sc->sc_mtx);
}
#define COPYDESCR(x, y) \
do { \
strlcpy((x), (y), sizeof(x)); \
} while (/* CONSTCOND */ 0)
static void
aiboost_setup_sensors(struct aiboost_softc *sc)
{
int i, j;
/* Temperatures */
for (i = 0; i < sc->sc_aitemp->num; i++) {
sc->sc_sensor[i].units = ENVSYS_STEMP;
COPYDESCR(sc->sc_sensor[i].desc, sc->sc_aitemp->elem[i].desc);
DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
i, sc->sc_sensor[i].desc, i, sc->sc_aitemp->elem[i].desc));
}
/* skip temperatures */
j = sc->sc_aitemp->num;
/* Voltages */
for (i = 0; i < sc->sc_aivolt->num; i++, j++) {
sc->sc_sensor[j].units = ENVSYS_SVOLTS_DC;
COPYDESCR(sc->sc_sensor[j].desc, sc->sc_aivolt->elem[i].desc);
DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
j, sc->sc_sensor[j].desc, i, sc->sc_aivolt->elem[i].desc));
}
/* skip voltages */
j = sc->sc_aitemp->num + sc->sc_aivolt->num;
/* Fans */
for (i = 0; i < sc->sc_aifan->num; i++, j++) {
sc->sc_sensor[j].units = ENVSYS_SFANRPM;
COPYDESCR(sc->sc_sensor[j].desc, sc->sc_aifan->elem[i].desc);
DPRINTF(("%s: data[%d].desc=%s elem[%d].desc=%s\n", __func__,
j, sc->sc_sensor[j].desc, i, sc->sc_aifan->elem[i].desc));
}
}
static void
aiboost_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata)
{
struct aiboost_softc *sc = sme->sme_cookie;
ACPI_HANDLE *h = sc->sc_node->ad_handle;
int i, j, val;
mutex_enter(&sc->sc_mtx);
j = 0;
i = edata->sensor; /* sensor number */
#define AIBOOST_INVALIDATE_SENSOR() \
do { \
if (val == -1 || val == 0) { \
edata->state = ENVSYS_SINVALID; \
goto out; \
} \
} while (/* CONSTCOND */ 0)
switch (edata->units) {
case ENVSYS_STEMP:
/* Temperatures */
val = aiboost_get_value(h, "RTMP", sc->sc_aitemp->elem[i].id);
AIBOOST_INVALIDATE_SENSOR();
/* envsys(4) wants mK... convert from Celsius. */
edata->value_cur = val * 100000 + 273150000;
DPRINTF(("%s: temp[%d] value_cur=%d val=%d j=%d\n", __func__,
i, edata->value_cur, val, j));
break;
case ENVSYS_SVOLTS_DC:
/* Voltages */
j = i - sc->sc_aitemp->num;
val = aiboost_get_value(h, "RVLT", sc->sc_aivolt->elem[j].id);
AIBOOST_INVALIDATE_SENSOR();
/* envsys(4) wants mV... */
edata->value_cur = val * 10000;
edata->value_cur /= 10;
DPRINTF(("%s: volt[%d] value_cur=%d val=%d j=%d\n", __func__,
i, edata->value_cur, val, j));
break;
case ENVSYS_SFANRPM:
/* Fans */
j = i - (sc->sc_aitemp->num + sc->sc_aivolt->num);
val = aiboost_get_value(h, "RFAN", sc->sc_aifan->elem[j].id);
AIBOOST_INVALIDATE_SENSOR();
edata->value_cur = val;
DPRINTF(("%s: fan[%d] val=%d j=%d\n", __func__, i, val, j));
break;
}
edata->state = ENVSYS_SVALID;
out:
mutex_exit(&sc->sc_mtx);
}
static int
aiboost_get_value(ACPI_HANDLE handle, const char *path, UINT32 number)
{
ACPI_OBJECT arg1, *ret;
ACPI_OBJECT_LIST args;
ACPI_BUFFER buf;
int val;
buf.Length = ACPI_ALLOCATE_BUFFER;
buf.Pointer = 0;
arg1.Type = ACPI_TYPE_INTEGER;
arg1.Integer.Value = number;
args.Count = 1;
args.Pointer = &arg1;
if (ACPI_FAILURE(AcpiEvaluateObject(handle, path, &args, &buf)))
return -1;
ret = buf.Pointer;
val = (ret->Type == ACPI_TYPE_INTEGER) ? ret->Integer.Value : -1;
AcpiOsFree(buf.Pointer);
return val;
}
static ACPI_STATUS
aiboost_getcomp(ACPI_HANDLE *h, const char *name, struct aiboost_comp **comp)
{
ACPI_BUFFER buf, buf2;
ACPI_OBJECT *o, *elem, *subobj, *myobj;
ACPI_STATUS status;
struct aiboost_comp *c = NULL;
int i;
const char *str = NULL;
size_t length;
status = acpi_eval_struct(h, name, &buf);
if (ACPI_FAILURE(status)) {
DPRINTF(("%s: acpi_eval_struct\n", __func__));
return status;
}
o = buf.Pointer;
if (o->Type != ACPI_TYPE_PACKAGE) {
DPRINTF(("%s: o->Type != ACPI_TYPE_PACKAGE\n", __func__));
goto error;
}
elem = o->Package.Elements;
if (elem->Type != ACPI_TYPE_INTEGER) {
DPRINTF(("%s: elem->Type != ACPI_TYPE_INTEGER\n", __func__));
goto error;
}
c = kmem_zalloc(sizeof(struct aiboost_comp) +
sizeof(struct aiboost_elem) * (elem->Integer.Value - 1),
KM_NOSLEEP);
if (!c)
goto error;
*comp = c;
c->num = elem->Integer.Value;
for (i = 1; i < o->Package.Count; i++) {
elem = &o->Package.Elements[i];
if (elem->Type != ACPI_TYPE_ANY) {
DPRINTF(("%s: elem->Type != ACPI_TYPE_ANY\n",
__func__));
goto error;
}
c->elem[i - 1].h = elem->Reference.Handle;
status = acpi_eval_struct(c->elem[i - 1].h, NULL, &buf2);
if (ACPI_FAILURE(status)) {
DPRINTF(("%s; fetching object in buf2\n",
__func__));
goto error;
}
subobj = buf2.Pointer;
myobj = &subobj->Package.Elements[0];
/* Get UID */
if (myobj == NULL || myobj->Type != ACPI_TYPE_INTEGER)
goto error;
c->elem[i - 1].id = myobj->Integer.Value;
/* Get string */
myobj = &subobj->Package.Elements[1];
if (myobj == NULL) {
DPRINTF(("%s: myobj is NULL\n", __func__));
goto error;
}
switch (myobj->Type) {
case ACPI_TYPE_STRING:
str = myobj->String.Pointer;
length = myobj->String.Length;
break;
case ACPI_TYPE_BUFFER:
str = myobj->Buffer.Pointer;
length = myobj->Buffer.Length;
break;
default:
goto error;
}
DPRINTF(("%s: id=%d str=%s\n", __func__,
c->elem[i - 1].id, str));
(void)memcpy(c->elem[i - 1].desc, str, length);
if (buf2.Pointer)
AcpiOsFree(buf2.Pointer);
}
if (buf.Pointer)
AcpiOsFree(buf.Pointer);
return 0;
error:
if (buf.Pointer)
AcpiOsFree(buf.Pointer);
if (buf2.Pointer)
AcpiOsFree(buf2.Pointer);
if (c)
kmem_free(c, sizeof(*c));
return AE_BAD_DATA;
}