diff options
Diffstat (limited to 'sys/dev/pci/viaenv.c')
| -rw-r--r-- | sys/dev/pci/viaenv.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/sys/dev/pci/viaenv.c b/sys/dev/pci/viaenv.c deleted file mode 100644 index 57a0dd18b56..00000000000 --- a/sys/dev/pci/viaenv.c +++ /dev/null @@ -1,384 +0,0 @@ -/* $OpenBSD: viaenv.c,v 1.15 2011/02/15 21:46:21 miod 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> -#ifdef __HAVE_TIMECOUNTER -#include <sys/timetc.h> -#endif - -#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; - bus_space_handle_t sc_pm_ioh; - - int sc_fan_div[2]; /* fan RPM divisor */ - - struct ksensor sc_data[VIANUMSENSORS]; - struct ksensordev sc_sensordev; -}; - -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 *); - -#ifdef __HAVE_TIMECOUNTER -u_int viaenv_get_timecount(struct timecounter *tc); - -struct timecounter viaenv_timecounter = { - viaenv_get_timecount, /* get_timecount */ - 0, /* no poll_pps */ - 0xffffff, /* counter_mask */ - 3579545, /* frequency */ - "VIAPM", /* name */ - 1000 /* quality */ -}; -#endif /* __HAVE_TIMECOUNTER */ - -struct cfattach viaenv_ca = { - sizeof(struct viaenv_softc), - viaenv_match, - viaenv_attach -}; - -struct cfdriver viaenv_cd = { - NULL, "viaenv", DV_DULL -}; - -struct timeout viaenv_timeout; - -const struct pci_matchid viaenv_devices[] = { - { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT82C686A_SMB }, - { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8231_PWR } -}; - -int -viaenv_match(struct device *parent, void *match, void *aux) -{ - return (pci_matchbyid((struct pci_attach_args *)aux, viaenv_devices, - sizeof(viaenv_devices) / sizeof(viaenv_devices[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; - - KASSERT(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}; - - KASSERT(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 */ - -#define VIAENV_GENCFG 0x40 /* general configuration */ -#define VIAENV_GENCFG_TMR32 (1 << 11) /* 32-bit PM timer */ -#define VIAENV_GENCFG_PMEN (1 << 15) /* enable PM I/O space */ -#define VIAENV_PMBASE 0x48 /* power management I/O space base */ -#define VIAENV_PMSIZE 128 /* power management I/O space size */ -#define VIAENV_PM_TMR 0x08 /* PM timer */ - -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; - - sc->sc_iot = pa->pa_iot; - 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(": HWM disabled"); - goto nohwm; - } - if (bus_space_map(sc->sc_iot, iobase & 0xff80, 128, 0, &sc->sc_ioh)) { - printf(": can't map HWM i/o space"); - goto nohwm; - } - - for (i = 0; i <= 2; i++) { - sc->sc_data[i].type = SENSOR_TEMP; - } - - for (i = 3; i <= 4; i++) { - sc->sc_data[i].type = SENSOR_FANRPM; - } - - for (i = 5; i <= 9; ++i) { - sc->sc_data[i].type = SENSOR_VOLTS_DC; - } - 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); - - /* Register sensors with sysctl */ - strlcpy(sc->sc_sensordev.xname, sc->sc_dev.dv_xname, - sizeof(sc->sc_sensordev.xname)); - for (i = 0; i < VIANUMSENSORS; ++i) - sensor_attach(&sc->sc_sensordev, &sc->sc_data[i]); - sensordev_install(&sc->sc_sensordev); - - /* Refresh sensors data every 1.5 seconds */ - timeout_set(&viaenv_timeout, viaenv_refresh, sc); - timeout_add_msec(&viaenv_timeout, 1500); - -nohwm: -#ifdef __HAVE_TIMECOUNTER - /* Check if power management I/O space is enabled */ - control = pci_conf_read(pa->pa_pc, pa->pa_tag, VIAENV_GENCFG); - if ((control & VIAENV_GENCFG_PMEN) == 0) { - printf(": PM disabled"); - goto nopm; - } - - /* Map power management I/O space */ - iobase = pci_conf_read(pa->pa_pc, pa->pa_tag, VIAENV_PMBASE); - if (bus_space_map(sc->sc_iot, PCI_MAPREG_IO_ADDR(iobase), - VIAENV_PMSIZE, 0, &sc->sc_pm_ioh)) { - printf(": can't map PM i/o space"); - goto nopm; - } - - /* Check for 32-bit PM timer */ - if (control & VIAENV_GENCFG_TMR32) - viaenv_timecounter.tc_counter_mask = 0xffffffff; - - /* Register new timecounter */ - viaenv_timecounter.tc_priv = sc; - tc_init(&viaenv_timecounter); - - printf(": %s-bit timer at %lluHz", - (viaenv_timecounter.tc_counter_mask == 0xffffffff ? "32" : "24"), - (unsigned long long)viaenv_timecounter.tc_frequency); - -nopm: -#endif /* __HAVE_TIMECOUNTER */ - printf("\n"); -} - -void -viaenv_refresh(void *arg) -{ - struct viaenv_softc *sc = (struct viaenv_softc *)arg; - - viaenv_refresh_sensor_data(sc); - timeout_add_msec(&viaenv_timeout, 1500); -} - -#ifdef __HAVE_TIMECOUNTER -u_int -viaenv_get_timecount(struct timecounter *tc) -{ - struct viaenv_softc *sc = tc->tc_priv; - u_int u1, u2, u3; - - u2 = bus_space_read_4(sc->sc_iot, sc->sc_pm_ioh, VIAENV_PM_TMR); - u3 = bus_space_read_4(sc->sc_iot, sc->sc_pm_ioh, VIAENV_PM_TMR); - do { - u1 = u2; - u2 = u3; - u3 = bus_space_read_4(sc->sc_iot, sc->sc_pm_ioh, - VIAENV_PM_TMR); - } while (u1 > u2 || u2 > u3); - - return (u2); -} -#endif /* __HAVE_TIMECOUNTER */ |