diff options
Diffstat (limited to 'sys/dev/i2c')
| -rw-r--r-- | sys/dev/i2c/adm1031.c | 182 | ||||
| -rw-r--r-- | sys/dev/i2c/files.i2c | 7 |
2 files changed, 188 insertions, 1 deletions
diff --git a/sys/dev/i2c/adm1031.c b/sys/dev/i2c/adm1031.c new file mode 100644 index 00000000000..2da66db4770 --- /dev/null +++ b/sys/dev/i2c/adm1031.c @@ -0,0 +1,182 @@ +/* $OpenBSD: adm1031.c,v 1.1 2005/12/24 19:34:01 deraadt Exp $ */ + +/* + * Copyright (c) 2005 Theo de Raadt + * + * 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> + +/* adm 1031 registers */ +#define ADM1031_INT_TEMP 0x0a +#define ADM1031_EXT_TEMP 0x0b +#define ADM1031_EXT2_TEMP 0x0c +#define ADM1031_FAN 0x08 +#define ADM1031_FANC 0x20 +#define ADM1031_FAN2 0x09 +#define ADM1031_FAN2C 0x21 +#define ADM1024_FANC_VAL(x) (x >> 6) + +/* Sensors */ +#define ADMTT_INT 0 +#define ADMTT_EXT 1 +#define ADMTT_EXT2 2 +#define ADMTT_FAN 3 +#define ADMTT_FAN2 4 +#define ADMTT_NUM_SENSORS 5 + +struct admtt_softc { + struct device sc_dev; + i2c_tag_t sc_tag; + i2c_addr_t sc_addr; + int sc_fanmul; + + struct sensor sc_sensor[ADMTT_NUM_SENSORS]; +}; + +int admtt_match(struct device *, void *, void *); +void admtt_attach(struct device *, struct device *, void *); +void admtt_refresh(void *); + +struct cfattach admtt_ca = { + sizeof(struct admtt_softc), admtt_match, admtt_attach +}; + +struct cfdriver admtt_cd = { + NULL, "admtt", DV_DULL +}; + +int +admtt_match(struct device *parent, void *match, void *aux) +{ + struct i2c_attach_args *ia = aux; + + if (ia->ia_compat) { + if (strcmp(ia->ia_compat, "adm1031") == 0) + return (1); + return (0); + } + return (1); +} + +void +admtt_attach(struct device *parent, struct device *self, void *aux) +{ + struct admtt_softc *sc = (struct admtt_softc *)self; + struct i2c_attach_args *ia = aux; + u_int8_t cmd, data; + int i; + + sc->sc_tag = ia->ia_tag; + sc->sc_addr = ia->ia_addr; + + cmd = ADM1031_FANC; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0)) { + printf(", unable to read fan setting\n"); + return; + } + + sc->sc_fanmul = 11250/8 * (1 << ADM1024_FANC_VAL(data)) * 60; + + /* Initialize sensor data. */ + for (i = 0; i < ADMTT_NUM_SENSORS; i++) + strlcpy(sc->sc_sensor[i].device, sc->sc_dev.dv_xname, + sizeof(sc->sc_sensor[i].device)); + + sc->sc_sensor[ADMTT_INT].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMTT_INT].desc, "Internal", + sizeof(sc->sc_sensor[ADMTT_INT].desc)); + + sc->sc_sensor[ADMTT_EXT].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMTT_EXT].desc, "External1", + sizeof(sc->sc_sensor[ADMTT_EXT].desc)); + + sc->sc_sensor[ADMTT_EXT2].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMTT_EXT2].desc, "External2", + sizeof(sc->sc_sensor[ADMTT_EXT2].desc)); + + sc->sc_sensor[ADMTT_FAN].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMTT_FAN].desc, "Fan1", + sizeof(sc->sc_sensor[ADMTT_FAN].desc)); + + sc->sc_sensor[ADMTT_FAN2].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMTT_FAN2].desc, "Fan2", + sizeof(sc->sc_sensor[ADMTT_FAN2].desc)); + + if (sensor_task_register(sc, admtt_refresh, 5)) { + printf(", unable to register update task\n"); + return; + } + + for (i = 0; i < ADMTT_NUM_SENSORS; i++) + SENSOR_ADD(&sc->sc_sensor[i]); + + printf("\n"); +} + +void +admtt_refresh(void *arg) +{ + struct admtt_softc *sc = arg; + u_int8_t cmd, data; + + iic_acquire_bus(sc->sc_tag, 0); + + cmd = ADM1031_INT_TEMP; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) + sc->sc_sensor[ADMTT_INT].value = 273150000 + 1000000 * data; + + cmd = ADM1031_EXT_TEMP; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) + sc->sc_sensor[ADMTT_EXT].value = 273150000 + 1000000 * data; + + cmd = ADM1031_EXT2_TEMP; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) + sc->sc_sensor[ADMTT_EXT2].value = 273150000 + 1000000 * data; + + cmd = ADM1031_FAN; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) { + if (data == 0) + sc->sc_sensor[ADMTT_FAN].flags |= SENSOR_FINVALID; + else { + sc->sc_sensor[ADMTT_FAN].value = + sc->sc_fanmul / (2 * (int)data); + sc->sc_sensor[ADMTT_FAN].flags &= ~SENSOR_FINVALID; + } + } + + cmd = ADM1031_FAN2; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, 0) == 0) { + if (data == 0) + sc->sc_sensor[ADMTT_FAN2].flags |= SENSOR_FINVALID; + else { + sc->sc_sensor[ADMTT_FAN2].value = + sc->sc_fanmul / (2 * (int)data); + sc->sc_sensor[ADMTT_FAN2].flags &= ~SENSOR_FINVALID; + } + } + + iic_release_bus(sc->sc_tag, 0); +} diff --git a/sys/dev/i2c/files.i2c b/sys/dev/i2c/files.i2c index 9512f252d8f..60aebceba74 100644 --- a/sys/dev/i2c/files.i2c +++ b/sys/dev/i2c/files.i2c @@ -1,4 +1,4 @@ -# $OpenBSD: files.i2c,v 1.18 2005/12/22 23:44:12 deraadt Exp $ +# $OpenBSD: files.i2c,v 1.19 2005/12/24 19:34:01 deraadt Exp $ # $NetBSD: files.i2c,v 1.3 2003/10/20 16:24:10 briggs Exp $ define i2c {[addr = -1], [size = -1]} @@ -55,6 +55,11 @@ device admtmp attach admtmp at i2c file dev/i2c/adm1030.c admtmp +# ADM1031 +device admtt +attach admtt at i2c +file dev/i2c/adm1031.c admtt + # PCA9554 device pcagpio: gpiobus attach pcagpio at i2c |