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Diffstat (limited to 'sys/dev/i2c/adm1024.c')
-rw-r--r--sys/dev/i2c/adm1024.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/sys/dev/i2c/adm1024.c b/sys/dev/i2c/adm1024.c
index a0fa5936e41..9e63c248212 100644
--- a/sys/dev/i2c/adm1024.c
+++ b/sys/dev/i2c/adm1024.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: adm1024.c,v 1.5 2005/12/27 22:49:41 deraadt Exp $ */
+/* $OpenBSD: adm1024.c,v 1.6 2005/12/28 20:35:42 deraadt Exp $ */
/*
* Copyright (c) 2005 Theo de Raadt
@@ -35,6 +35,7 @@
#define ADM1024_FAN1 0x28
#define ADM1024_FAN2 0x29
#define ADM1024_STATUS2 0x42
+#define ADM1024_FANC 0x47
#define ADM1024_STATUS2_EXT 0x40
#define ADM1024_COMPANY 0x3e /* contains 0x41 */
#define ADM1024_STEPPING 0x3f /* contains 0x2? */
@@ -61,6 +62,8 @@ struct admlc_softc {
i2c_addr_t sc_addr;
struct sensor sc_sensor[ADMLC_NUM_SENSORS];
+ int sc_fan1mul;
+ int sc_fan2mul;
};
int admlc_match(struct device *, void *, void *);
@@ -114,6 +117,16 @@ admlc_attach(struct device *parent, struct device *self, void *aux)
return;
}
}
+
+ cmd = ADM1024_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_fan1mul = 8800 * (1 << (data >> 4) & 0x3);
+ sc->sc_fan2mul = 8800 * (1 << (data >> 6) & 0x3);
+
iic_release_bus(sc->sc_tag, 0);
/* Initialize sensor data. */
@@ -231,7 +244,15 @@ admlc_refresh(void *arg)
sc->sc_addr, &cmd, sizeof cmd, &data, sizeof data, I2C_F_POLL) == 0)
sc->sc_sensor[ADMLC_Vccp2].value = 2700000 * data / 192;
- /* XXX read fan values */
+ cmd = ADM1024_FAN1;
+ 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[ADMLC_FAN1].value = sc->sc_fan1mul * data;
+
+ cmd = ADM1024_FAN2;
+ 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[ADMLC_FAN2].value = sc->sc_fan2mul * data;
iic_release_bus(sc->sc_tag, 0);
}