diff options
| -rw-r--r-- | sys/dev/i2c/asc7611.c | 235 | ||||
| -rw-r--r-- | sys/dev/i2c/files.i2c | 7 |
2 files changed, 241 insertions, 1 deletions
diff --git a/sys/dev/i2c/asc7611.c b/sys/dev/i2c/asc7611.c new file mode 100644 index 00000000000..2b10beb776e --- /dev/null +++ b/sys/dev/i2c/asc7611.c @@ -0,0 +1,235 @@ +/* $OpenBSD: asc7611.c,v 1.1 2008/03/23 07:04:48 cnst Exp $ */ + +/* + * Copyright (c) 2008 Constantine A. Murenin <cnst+openbsd@bugmail.mojo.ru> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/sensors.h> + +#include <dev/i2c/i2cvar.h> + +/* + * Andigilog aSC7611 + * Hardware Monitor with Integrated Fan Control + * http://www.andigilog.com/downloads/aSC7611_70A05007.pdf + * October 2006 + */ + +/* Temperature */ +#define ANDL_NUM_TEMPS 3 +static const struct { + const char *name; + const uint8_t mreg; + const uint8_t lreg; +} andl_temp[ANDL_NUM_TEMPS] = { + { "External", 0x25, 0x10 }, + { "Internal", 0x26, 0x15 }, + { "External", 0x27, 0x0e } +}; + +/* Voltage */ +#define ANDL_NUM_VOLTS 5 +static const struct { + const char *name; + const short nominal; + const uint8_t mreg; +} andl_volt[ANDL_NUM_VOLTS] = { + { "+2.5V", 2500, 0x20 }, + { "Vccp", 2250, 0x21 }, + { "+3.3V", 3300, 0x22 }, + { "+5V", 5000, 0x23 }, + { "+12V", 12000, 0x24 } +}; + +/* Fan */ +#define ANDL_NUM_TACHS 4 +#define ANDL_TACH_START 0x28 + +#define ANDL_NUM_TOTAL (ANDL_NUM_TEMPS + ANDL_NUM_VOLTS + ANDL_NUM_TACHS) + +struct andl_softc { + struct device sc_dev; + i2c_tag_t sc_tag; + i2c_addr_t sc_addr; + + struct ksensor sc_sensors[ANDL_NUM_TOTAL]; + struct ksensordev sc_sensordev; +}; + + +int andl_match(struct device *, void *, void *); +void andl_attach(struct device *, struct device *, void *); +void andl_refresh(void *); + +int andl_refresh_temps(struct andl_softc *, struct ksensor *); +int andl_refresh_volts(struct andl_softc *, struct ksensor *); +int andl_refresh_tachs(struct andl_softc *, struct ksensor *); + +uint8_t andl_readreg(struct andl_softc *, uint8_t); +void andl_writereg(struct andl_softc *, uint8_t, uint8_t); + + +struct cfattach andl_ca = { + sizeof(struct andl_softc), andl_match, andl_attach +}; + +struct cfdriver andl_cd = { + NULL, "andl", DV_DULL +}; + + +int +andl_match(struct device *parent, void *match, void *aux) +{ + struct i2c_attach_args *ia = aux; + + if (strcmp(ia->ia_name, "asc7611") == 0) + return 1; + return 0; +} + +void +andl_attach(struct device *parent, struct device *self, void *aux) +{ + struct andl_softc *sc = (struct andl_softc *)self; + struct i2c_attach_args *ia = aux; + int i, j; + + sc->sc_tag = ia->ia_tag; + sc->sc_addr = ia->ia_addr; + + printf(": %s", ia->ia_name); + + strlcpy(sc->sc_sensordev.xname, sc->sc_dev.dv_xname, + sizeof(sc->sc_sensordev.xname)); + + for (i = 0; i < ANDL_NUM_TEMPS; i++) { + strlcpy(sc->sc_sensors[i].desc, andl_temp[i].name, + sizeof(sc->sc_sensors[i].desc)); + sc->sc_sensors[i].type = SENSOR_TEMP; + } + + for (j = i; i < j + ANDL_NUM_VOLTS; i++) { + strlcpy(sc->sc_sensors[i].desc, andl_volt[i - j].name, + sizeof(sc->sc_sensors[i].desc)); + sc->sc_sensors[i].type = SENSOR_VOLTS_DC; + } + + for (j = i + ANDL_NUM_TACHS; i < j; i++) + sc->sc_sensors[i].type = SENSOR_FANRPM; + + for (i = 0; i < j; i++) + sensor_attach(&sc->sc_sensordev, &sc->sc_sensors[i]); + + if (sensor_task_register(sc, andl_refresh, 5) == NULL) { + printf(", unable to register the update task\n"); + return; + } + + sensordev_install(&sc->sc_sensordev); + printf("\n"); +} + +void +andl_refresh(void *arg) +{ + struct andl_softc *sc = arg; + struct ksensor *s = sc->sc_sensors; + + iic_acquire_bus(sc->sc_tag, 0); + + s += andl_refresh_temps(sc, s); + s += andl_refresh_volts(sc, s); + s += andl_refresh_tachs(sc, s); + + iic_release_bus(sc->sc_tag, 0); +} + +int +andl_refresh_temps(struct andl_softc *sc, struct ksensor *s) +{ + int i; + + for (i = 0; i < ANDL_NUM_TEMPS; i++) { + uint8_t m = andl_readreg(sc, andl_temp[i].mreg); + uint8_t l = andl_readreg(sc, andl_temp[i].lreg); + int32_t t = (m << 8 | l) >> (16 - 10); + + if (t & 0x200) + t -= 0x400; + t *= 250; + if (t < -55000 || t > 125000) { + s[i].flags |= SENSOR_FINVALID; + s[i].value = 0; + } else { + s[i].value = t * 1000 + 273150000; + s[i].flags &= ~SENSOR_FINVALID; + } + } + return i; +} + +int +andl_refresh_volts(struct andl_softc *sc, struct ksensor *s) +{ + int i; + + for (i = 0; i < ANDL_NUM_VOLTS; i++) + s[i].value = 1000ll * andl_readreg(sc, andl_volt[i].mreg) * + andl_volt[i].nominal / 0xc0; + return i; +} + +int +andl_refresh_tachs(struct andl_softc *sc, struct ksensor *s) +{ + int i; + + for (i = 0; i < ANDL_NUM_TACHS; i++) { + uint8_t l = andl_readreg(sc, ANDL_TACH_START + i * 2); + uint8_t m = andl_readreg(sc, ANDL_TACH_START + i * 2 + 1); + uint16_t b = m << 8 | l; + + if (b >= 0xfffc || b == 0) { + s[i].flags |= SENSOR_FINVALID; + s[i].value = 0; + } else { + s[i].value = (90000 * 60) / b; + s[i].flags &= ~SENSOR_FINVALID; + } + } + return i; +} + +uint8_t +andl_readreg(struct andl_softc *sc, uint8_t reg) +{ + uint8_t data; + + iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, ®, sizeof reg, &data, sizeof data, 0); + + return data; +} + +void +andl_writereg(struct andl_softc *sc, uint8_t reg, uint8_t data) +{ + iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP, + sc->sc_addr, ®, sizeof reg, &data, sizeof data, 0); +} diff --git a/sys/dev/i2c/files.i2c b/sys/dev/i2c/files.i2c index 2ba4711e8a3..f23f1759f99 100644 --- a/sys/dev/i2c/files.i2c +++ b/sys/dev/i2c/files.i2c @@ -1,4 +1,4 @@ -# $OpenBSD: files.i2c,v 1.43 2007/10/26 15:00:49 martin Exp $ +# $OpenBSD: files.i2c,v 1.44 2008/03/23 07:04:48 cnst Exp $ # $NetBSD: files.i2c,v 1.3 2003/10/20 16:24:10 briggs Exp $ define i2c {[addr = -1], [size = -1]} @@ -138,6 +138,11 @@ device adl attach adl at i2c file dev/i2c/asc7621.c adl +# Andigilog aSC7611 +device andl +attach andl at i2c +file dev/i2c/asc7611.c andl + # TI TMHC50 / Analog ADM1022 device thmc attach thmc at i2c |