diff options
| -rw-r--r-- | sys/dev/pci/files.pci | 7 | ||||
| -rw-r--r-- | sys/dev/pci/viaenv.c | 343 |
2 files changed, 349 insertions, 1 deletions
diff --git a/sys/dev/pci/files.pci b/sys/dev/pci/files.pci index 87db32e979a..e11a5d26f6b 100644 --- a/sys/dev/pci/files.pci +++ b/sys/dev/pci/files.pci @@ -1,4 +1,4 @@ -# $OpenBSD: files.pci,v 1.146 2003/02/28 15:26:23 mickey Exp $ +# $OpenBSD: files.pci,v 1.147 2003/04/25 21:46:43 grange Exp $ # $NetBSD: files.pci,v 1.20 1996/09/24 17:47:15 christos Exp $ # # Config file and device description for machine-independent PCI code. @@ -448,6 +448,11 @@ device amdpm {} attach amdpm at pci file dev/pci/amdpm.c amdpm +# VIA VT82C686A hardware monitor +device viaenv +attach viaenv at pci +file dev/pci/viaenv.c viaenv + # OHCI IEEE 1394 controller attach fwohci at pci with fwohci_pci file dev/pci/fwohci_pci.c fwohci_pci diff --git a/sys/dev/pci/viaenv.c b/sys/dev/pci/viaenv.c new file mode 100644 index 00000000000..c01d363ab9d --- /dev/null +++ b/sys/dev/pci/viaenv.c @@ -0,0 +1,343 @@ +/* $OpenBSD: viaenv.c,v 1.1 2003/04/25 21:46:44 grange Exp $ */ +/* $NetBSD: viaenv.c,v 1.9 2002/10/02 16:51:59 thorpej Exp $ */ + +/* + * Copyright (c) 2000 Johan Danielsson + * 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. Neither the name of author nor the names of any contributors may + * be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 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 FOUNDATION 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. + */ + +/* driver for the hardware monitoring part of the VIA VT82C686A */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/kernel.h> +#include <sys/queue.h> +#include <sys/sensors.h> +#include <sys/timeout.h> +#include <machine/bus.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcidevs.h> + +#ifdef VIAENV_DEBUG +unsigned int viaenv_debug = 0; +#define DPRINTF(X) do { if(viaenv_debug) printf X ; } while(0) +#else +#define DPRINTF(X) +#endif + +#define VIANUMSENSORS 10 /* three temp, two fan, five voltage */ + +struct viaenv_softc { + struct device sc_dev; + bus_space_tag_t sc_iot; + bus_space_handle_t sc_ioh; + + int sc_fan_div[2]; /* fan RPM divisor */ + + struct sensor sc_data[VIANUMSENSORS]; +}; + +int viaenv_match(struct device *, void *, void *); +void viaenv_attach(struct device *, struct device *, void *); + +int val_to_uK(unsigned int); +int val_to_rpm(unsigned int, int); +long val_to_uV(unsigned int, int); +void viaenv_refresh_sensor_data(struct viaenv_softc *); +void viaenv_refresh(void *); + +struct cfattach viaenv_ca = { + sizeof(struct viaenv_softc), + viaenv_match, + viaenv_attach +}; + +struct cfdriver viaenv_cd = { + NULL, "viaenv", DV_DULL +}; + +struct timeout viaenv_timeout; + +int +viaenv_match(struct device *parent, void *match, void *aux) +{ + struct pci_attach_args *pa = aux; + + if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VIATECH && + PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT82C686A_SMB) + return (1); + + return (0); +} + +/* + * XXX there doesn't seem to exist much hard documentation on how to + * convert the raw values to usable units, this code is more or less + * stolen from the Linux driver, but changed to suit our conditions + */ + +/* + * lookup-table to translate raw values to uK, this is the same table + * used by the Linux driver (modulo units); there is a fifth degree + * polynomial that supposedly been used to generate this table, but I + * haven't been able to figure out how -- it doesn't give the same values + */ + +static const long val_to_temp[] = { + 20225, 20435, 20645, 20855, 21045, 21245, 21425, 21615, 21785, 21955, + 22125, 22285, 22445, 22605, 22755, 22895, 23035, 23175, 23315, 23445, + 23565, 23695, 23815, 23925, 24045, 24155, 24265, 24365, 24465, 24565, + 24665, 24765, 24855, 24945, 25025, 25115, 25195, 25275, 25355, 25435, + 25515, 25585, 25655, 25725, 25795, 25865, 25925, 25995, 26055, 26115, + 26175, 26235, 26295, 26355, 26405, 26465, 26515, 26575, 26625, 26675, + 26725, 26775, 26825, 26875, 26925, 26975, 27025, 27065, 27115, 27165, + 27205, 27255, 27295, 27345, 27385, 27435, 27475, 27515, 27565, 27605, + 27645, 27685, 27735, 27775, 27815, 27855, 27905, 27945, 27985, 28025, + 28065, 28105, 28155, 28195, 28235, 28275, 28315, 28355, 28405, 28445, + 28485, 28525, 28565, 28615, 28655, 28695, 28735, 28775, 28825, 28865, + 28905, 28945, 28995, 29035, 29075, 29125, 29165, 29205, 29245, 29295, + 29335, 29375, 29425, 29465, 29505, 29555, 29595, 29635, 29685, 29725, + 29765, 29815, 29855, 29905, 29945, 29985, 30035, 30075, 30125, 30165, + 30215, 30255, 30305, 30345, 30385, 30435, 30475, 30525, 30565, 30615, + 30655, 30705, 30755, 30795, 30845, 30885, 30935, 30975, 31025, 31075, + 31115, 31165, 31215, 31265, 31305, 31355, 31405, 31455, 31505, 31545, + 31595, 31645, 31695, 31745, 31805, 31855, 31905, 31955, 32005, 32065, + 32115, 32175, 32225, 32285, 32335, 32395, 32455, 32515, 32575, 32635, + 32695, 32755, 32825, 32885, 32955, 33025, 33095, 33155, 33235, 33305, + 33375, 33455, 33525, 33605, 33685, 33765, 33855, 33935, 34025, 34115, + 34205, 34295, 34395, 34495, 34595, 34695, 34805, 34905, 35015, 35135, + 35245, 35365, 35495, 35615, 35745, 35875, 36015, 36145, 36295, 36435, + 36585, 36745, 36895, 37065, 37225, 37395, 37575, 37755, 37935, 38125, + 38325, 38525, 38725, 38935, 39155, 39375, 39605, 39835, 40075, 40325, + 40575, 40835, 41095, 41375, 41655, 41935, +}; + +/* use above table to convert values to temperatures in micro-Kelvins */ +int +val_to_uK(unsigned int val) +{ + int i = val / 4; + int j = val % 4; + + assert(i >= 0 && i <= 255); + + if (j == 0 || i == 255) + return val_to_temp[i] * 10000; + + /* is linear interpolation ok? */ + return (val_to_temp[i] * (4 - j) + + val_to_temp[i + 1] * j) * 2500 /* really: / 4 * 10000 */ ; +} + +int +val_to_rpm(unsigned int val, int div) +{ + + if (val == 0) + return 0; + + return 1350000 / val / div; +} + +long +val_to_uV(unsigned int val, int index) +{ + static const long mult[] = + {1250000, 1250000, 1670000, 2600000, 6300000}; + + assert(index >= 0 && index <= 4); + + return (25LL * val + 133) * mult[index] / 2628; +} + +#define VIAENV_TSENS3 0x1f +#define VIAENV_TSENS1 0x20 +#define VIAENV_TSENS2 0x21 +#define VIAENV_VSENS1 0x22 +#define VIAENV_VSENS2 0x23 +#define VIAENV_VCORE 0x24 +#define VIAENV_VSENS3 0x25 +#define VIAENV_VSENS4 0x26 +#define VIAENV_FAN1 0x29 +#define VIAENV_FAN2 0x2a +#define VIAENV_FANCONF 0x47 /* fan configuration */ +#define VIAENV_TLOW 0x49 /* temperature low order value */ +#define VIAENV_TIRQ 0x4b /* temperature interrupt configuration */ + +void +viaenv_refresh_sensor_data(struct viaenv_softc *sc) +{ + int i; + u_int8_t v, v2; + + /* temperature */ + v = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_TIRQ); + v2 = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_TSENS1); + DPRINTF(("TSENS1 = %d\n", (v2 << 2) | (v >> 6))); + sc->sc_data[0].value = val_to_uK((v2 << 2) | (v >> 6)); + + v = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_TLOW); + v2 = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_TSENS2); + DPRINTF(("TSENS2 = %d\n", (v2 << 2) | ((v >> 4) & 0x3))); + sc->sc_data[1].value = val_to_uK((v2 << 2) | ((v >> 4) & 0x3)); + + v2 = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_TSENS3); + DPRINTF(("TSENS3 = %d\n", (v2 << 2) | (v >> 6))); + sc->sc_data[2].value = val_to_uK((v2 << 2) | (v >> 6)); + + v = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAENV_FANCONF); + + sc->sc_fan_div[0] = 1 << ((v >> 4) & 0x3); + sc->sc_fan_div[1] = 1 << ((v >> 6) & 0x3); + + /* fan */ + for (i = 3; i <= 4; i++) { + v = bus_space_read_1(sc->sc_iot, sc->sc_ioh, + VIAENV_FAN1 + i - 3); + DPRINTF(("FAN%d = %d / %d\n", i - 3, v, + sc->sc_fan_div[i - 3])); + sc->sc_data[i].value = val_to_rpm(v, sc->sc_fan_div[i - 3]); + } + + /* voltage */ + for (i = 5; i <= 9; i++) { + v = bus_space_read_1(sc->sc_iot, sc->sc_ioh, + VIAENV_VSENS1 + i - 5); + DPRINTF(("V%d = %d\n", i - 5, v)); + sc->sc_data[i].value = val_to_uV(v, i - 5); + } +} + +void +viaenv_attach(struct device * parent, struct device * self, void *aux) +{ + struct viaenv_softc *sc = (struct viaenv_softc *) self; + struct pci_attach_args *pa = aux; + pcireg_t iobase, control; + int i; + extern int nsensors; + extern struct sensors_head sensors; + + iobase = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x70); + control = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x74); + if ((iobase & 0xff80) == 0 || (control & 1) == 0) { + printf(": disabled\n"); + return; + } + sc->sc_iot = pa->pa_iot; + if (bus_space_map(sc->sc_iot, iobase & 0xff80, 128, 0, &sc->sc_ioh)) { + printf(": failed to map i/o\n"); + return; + } + printf("\n"); + + /* Initialize sensors */ + for (i = 0; i < VIANUMSENSORS; ++i) { + strlcpy(sc->sc_data[i].device, sc->sc_dev.dv_xname, + sizeof(sc->sc_data[i].device)); + sc->sc_data[i].num = nsensors++; + SLIST_INSERT_HEAD(&sensors, &sc->sc_data[i], list); + } + + for (i = 0; i <= 2; i++) { + sc->sc_data[i].type = SENSOR_TEMP; + } + strlcpy(sc->sc_data[0].desc, "TSENS1", sizeof(sc->sc_data[0].desc)); + strlcpy(sc->sc_data[1].desc, "TSENS2", sizeof(sc->sc_data[1].desc)); + strlcpy(sc->sc_data[2].desc, "TSENS3", sizeof(sc->sc_data[2].desc)); + + for (i = 3; i <= 4; i++) { + sc->sc_data[i].type = SENSOR_FANRPM; + } + strlcpy(sc->sc_data[3].desc, "FAN1", sizeof(sc->sc_data[3].desc)); + strlcpy(sc->sc_data[4].desc, "FAN2", sizeof(sc->sc_data[4].desc)); + + for (i = 5; i <= 9; ++i) { + sc->sc_data[i].type = SENSOR_VOLTS_DC; + sc->sc_data[i].rfact = 1; /* what is this used for? */ + } + strlcpy(sc->sc_data[5].desc, "VSENS1", + sizeof(sc->sc_data[5].desc)); /* CPU core (2V) */ + strlcpy(sc->sc_data[6].desc, "VSENS2", + sizeof(sc->sc_data[6].desc)); /* NB core? (2.5V) */ + strlcpy(sc->sc_data[7].desc, "Vcore", + sizeof(sc->sc_data[7].desc)); /* Vcore (3.3V) */ + strlcpy(sc->sc_data[8].desc, "VSENS3", + sizeof(sc->sc_data[8].desc)); /* VSENS3 (5V) */ + strlcpy(sc->sc_data[9].desc, "VSENS4", + sizeof(sc->sc_data[9].desc)); /* VSENS4 (12V) */ + + /* Get initial set of sensor values. */ + viaenv_refresh_sensor_data(sc); + + /* Refresh sensors data every 1.5 seconds */ + timeout_set(&viaenv_timeout, viaenv_refresh, sc); + timeout_add(&viaenv_timeout, (15 * hz) / 10); + +} + +#if 0 +int +viaenv_gtredata(struct sysmon_envsys *sme, struct envsys_tre_data *tred) +{ + struct viaenv_softc *sc = sme->sme_cookie; + + simple_lock(&sc->sc_slock); + + viaenv_refresh_sensor_data(sc); + *tred = sc->sc_data[tred->sensor]; + + simple_unlock(&sc->sc_slock); + + return (0); +} + +int +viaenv_streinfo(struct sysmon_envsys *sme, struct envsys_basic_info *binfo) +{ + + /* XXX Not implemented */ + binfo->validflags = 0; + + return (0); +} +#endif + +void +viaenv_refresh(void *arg) +{ + struct viaenv_softc *sc = (struct viaenv_softc *)arg; + + viaenv_refresh_sensor_data(sc); + timeout_add(&viaenv_timeout, (15 * hz) / 10); +} |