From 913a7a8a980c9393f3ef32009b56c0585ec50232 Mon Sep 17 00:00:00 2001 From: Theo de Raadt Date: Wed, 28 Dec 2005 00:21:44 +0000 Subject: first draft of an adm1026 driver, without fan code yet --- sys/dev/i2c/adm1026.c | 287 ++++++++++++++++++++++++++++++++++++++++++++++++++ sys/dev/i2c/files.i2c | 7 +- 2 files changed, 293 insertions(+), 1 deletion(-) create mode 100644 sys/dev/i2c/adm1026.c (limited to 'sys/dev') diff --git a/sys/dev/i2c/adm1026.c b/sys/dev/i2c/adm1026.c new file mode 100644 index 00000000000..e27bdf01f1d --- /dev/null +++ b/sys/dev/i2c/adm1026.c @@ -0,0 +1,287 @@ +/* $OpenBSD: adm1026.c,v 1.1 2005/12/28 00:21:43 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 +#include +#include +#include + +#include + +/* ADM 1026 registers */ +#define ADM1026_TEMP 0x1f +#define ADM1026_STATUS 0x20 +#define ADM1026_Vbat 0x26 +#define ADM1026_Ain8 0x27 +#define ADM1026_EXT1 0x28 +#define ADM1026_EXT2 0x29 +#define ADM1026_V3_3stby 0x2a +#define ADM1026_V3_3main 0x2b +#define ADM1026_V5 0x2c +#define ADM1026_Vccp 0x2d +#define ADM1026_V12 0x2e +#define ADM1026_Vminus12 0x2f +#define ADM1026_FAN0 0x38 +#define ADM1026_FAN1 0x39 +#define ADM1026_FAN2 0x3a +#define ADM1026_FAN3 0x3b +#define ADM1026_FAN4 0x3c +#define ADM1026_FAN5 0x3d +#define ADM1026_FAN6 0x3e +#define ADM1026_FAN7 0x3f +#define ADM1026_EXT1_OFF 0x6e +#define ADM1026_EXT2_OFF 0x6f +#define ADM1026_FAN0123DIV 0x02 +#define ADM1026_FAN4567DIV 0x03 +#define ADM1026_CONTROL 0x00 +#define ADM1026_CONTROL_START 0x01 +#define ADM1026_CONTROL_INTCLR 0x04 + +/* Sensors */ +#define ADMCTS_TEMP 0 +#define ADMCTS_EXT1 1 +#define ADMCTS_EXT2 2 +#define ADMCTS_Vbat 3 +#define ADMCTS_V3_3stby 4 +#define ADMCTS_V3_3main 5 +#define ADMCTS_V5 6 +#define ADMCTS_Vccp 7 +#define ADMCTS_V12 8 +#define ADMCTS_Vminus12 9 +#define ADMCTS_FAN0 10 +#define ADMCTS_FAN1 11 +#define ADMCTS_FAN2 12 +#define ADMCTS_FAN3 13 +#define ADMCTS_FAN4 14 +#define ADMCTS_FAN5 15 +#define ADMCTS_FAN6 16 +#define ADMCTS_FAN7 17 +#define ADMCTS_NUM_SENSORS 18 + +struct admcts_softc { + struct device sc_dev; + i2c_tag_t sc_tag; + i2c_addr_t sc_addr; + + struct sensor sc_sensor[ADMCTS_NUM_SENSORS]; +}; + +int admcts_match(struct device *, void *, void *); +void admcts_attach(struct device *, struct device *, void *); +void admcts_refresh(void *); + +struct cfattach admcts_ca = { + sizeof(struct admcts_softc), admcts_match, admcts_attach +}; + +struct cfdriver admcts_cd = { + NULL, "admcts", DV_DULL +}; + +int +admcts_match(struct device *parent, void *match, void *aux) +{ + struct i2c_attach_args *ia = aux; + + if (strcmp(ia->ia_name, "adm1026") == 0) + return (1); + return (0); +} + +void +admcts_attach(struct device *parent, struct device *self, void *aux) +{ + struct admcts_softc *sc = (struct admcts_softc *)self; + struct i2c_attach_args *ia = aux; + u_int8_t cmd, data, data2; + int i; + + sc->sc_tag = ia->ia_tag; + sc->sc_addr = ia->ia_addr; + + iic_acquire_bus(sc->sc_tag, 0); + cmd = ADM1026_CONTROL; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL)) { + iic_release_bus(sc->sc_tag, 0); + printf(": cannot get control register\n"); + return; + } + data2 = data | ADM1026_CONTROL_START; + data2 = data2 & ~ADM1026_CONTROL_INTCLR; + if (data != data2) { + if (iic_exec(sc->sc_tag, I2C_OP_WRITE_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data2, sizeof data2, I2C_F_POLL)) { + iic_release_bus(sc->sc_tag, 0); + printf(": cannot set control register\n"); + return; + } + } + iic_release_bus(sc->sc_tag, 0); + + /* Initialize sensor data. */ + for (i = 0; i < ADMCTS_NUM_SENSORS; i++) + strlcpy(sc->sc_sensor[i].device, sc->sc_dev.dv_xname, + sizeof(sc->sc_sensor[i].device)); + + sc->sc_sensor[ADMCTS_TEMP].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMCTS_TEMP].desc, "Internal", + sizeof(sc->sc_sensor[ADMCTS_TEMP].desc)); + + sc->sc_sensor[ADMCTS_Vbat].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_Vbat].desc, "Vbat", + sizeof(sc->sc_sensor[ADMCTS_Vbat].desc)); + + sc->sc_sensor[ADMCTS_EXT1].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMCTS_EXT1].desc, "External1", + sizeof(sc->sc_sensor[ADMCTS_EXT1].desc)); + + sc->sc_sensor[ADMCTS_EXT2].type = SENSOR_TEMP; + strlcpy(sc->sc_sensor[ADMCTS_EXT2].desc, "External2", + sizeof(sc->sc_sensor[ADMCTS_EXT2].desc)); + + sc->sc_sensor[ADMCTS_V3_3stby].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_V3_3stby].desc, "3.3 V standby", + sizeof(sc->sc_sensor[ADMCTS_V3_3stby].desc)); + + sc->sc_sensor[ADMCTS_V3_3main].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_V3_3main].desc, "3.3 V main", + sizeof(sc->sc_sensor[ADMCTS_V3_3main].desc)); + + sc->sc_sensor[ADMCTS_V5].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_V5].desc, "5 V", + sizeof(sc->sc_sensor[ADMCTS_V5].desc)); + + sc->sc_sensor[ADMCTS_Vccp].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_Vccp].desc, "Vccp", + sizeof(sc->sc_sensor[ADMCTS_Vccp].desc)); + + sc->sc_sensor[ADMCTS_V12].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_V12].desc, "12 V", + sizeof(sc->sc_sensor[ADMCTS_V12].desc)); + + sc->sc_sensor[ADMCTS_Vminus12].type = SENSOR_VOLTS_DC; + strlcpy(sc->sc_sensor[ADMCTS_Vminus12].desc, "-12 V", + sizeof(sc->sc_sensor[ADMCTS_Vminus12].desc)); + + sc->sc_sensor[ADMCTS_FAN1].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN1].desc, "Fan1", + sizeof(sc->sc_sensor[ADMCTS_FAN1].desc)); + + sc->sc_sensor[ADMCTS_FAN2].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN2].desc, "Fan2", + sizeof(sc->sc_sensor[ADMCTS_FAN2].desc)); + + sc->sc_sensor[ADMCTS_FAN2].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN2].desc, "Fan2", + sizeof(sc->sc_sensor[ADMCTS_FAN2].desc)); + + sc->sc_sensor[ADMCTS_FAN3].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN3].desc, "Fan3", + sizeof(sc->sc_sensor[ADMCTS_FAN3].desc)); + + sc->sc_sensor[ADMCTS_FAN4].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN4].desc, "Fan4", + sizeof(sc->sc_sensor[ADMCTS_FAN4].desc)); + + sc->sc_sensor[ADMCTS_FAN5].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN5].desc, "Fan5", + sizeof(sc->sc_sensor[ADMCTS_FAN5].desc)); + + sc->sc_sensor[ADMCTS_FAN6].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN6].desc, "Fan6", + sizeof(sc->sc_sensor[ADMCTS_FAN6].desc)); + + sc->sc_sensor[ADMCTS_FAN7].type = SENSOR_FANRPM; + strlcpy(sc->sc_sensor[ADMCTS_FAN7].desc, "Fan7", + sizeof(sc->sc_sensor[ADMCTS_FAN7].desc)); + + if (sensor_task_register(sc, admcts_refresh, 5)) { + printf(", unable to register update task\n"); + return; + } + + for (i = 0; i < ADMCTS_NUM_SENSORS; i++) + SENSOR_ADD(&sc->sc_sensor[i]); + + printf("\n"); +} + +void +admcts_refresh(void *arg) +{ + struct admcts_softc *sc = arg; + u_int8_t cmd, data; + int8_t sdata; + + iic_acquire_bus(sc->sc_tag, 0); + + cmd = ADM1026_TEMP; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &sdata, sizeof sdata, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_TEMP].value = 273150000 + 1000000 * sdata; + + cmd = ADM1026_EXT1; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &sdata, sizeof sdata, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_EXT1].value = 273150000 + 1000000 * sdata; + + cmd = ADM1026_EXT2; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &sdata, sizeof sdata, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_EXT2].value = 273150000 + 1000000 * sdata; + + cmd = ADM1026_Vbat; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_Vbat].value = 3000000 * data / 192; + + cmd = ADM1026_V3_3stby; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_V3_3stby].value = 3300000 * data / 192; + + cmd = ADM1026_V3_3main; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_V3_3main].value = 3300000 * data / 192; + + cmd = ADM1026_V5; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_V5].value = 5500000 * data / 192; + + cmd = ADM1026_Vccp; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_Vccp].value = 2250000 * data / 192; + + cmd = ADM1026_V12; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_V12].value = 12000000 * data / 192; + + cmd = ADM1026_Vminus12; + if (iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, + sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0) + sc->sc_sensor[ADMCTS_Vminus12].value = -2125000 * data / 192; + + /* XXX read fan values */ + + iic_release_bus(sc->sc_tag, 0); +} diff --git a/sys/dev/i2c/files.i2c b/sys/dev/i2c/files.i2c index 2597521c22d..91faecff928 100644 --- a/sys/dev/i2c/files.i2c +++ b/sys/dev/i2c/files.i2c @@ -1,4 +1,4 @@ -# $OpenBSD: files.i2c,v 1.23 2005/12/27 21:22:51 deraadt Exp $ +# $OpenBSD: files.i2c,v 1.24 2005/12/28 00:21:43 deraadt Exp $ # $NetBSD: files.i2c,v 1.3 2003/10/20 16:24:10 briggs Exp $ define i2c {[addr = -1], [size = -1]} @@ -88,3 +88,8 @@ file dev/i2c/adt7460.c adt # National Semiconductor LM7[89] and compatible hardware monitors attach lm at i2c with lm_i2c file dev/i2c/lm_i2c.c lm_i2c + +# ADM1026 +device admcts +attach admcts at i2c +file dev/i2c/adm1026.c admcts -- cgit v1.2.3