diff options
| author | Abdelkader Boudih <oss@seuros.com> | 2026-01-05 18:03:23 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2026-01-05 18:25:47 +0000 |
| commit | 1ecac45cfc5f0886907c34ec0da2c1b32618665d (patch) | |
| tree | 44f552a63bdc2de7e454e0ee12ebb32ded62636f | |
| parent | 161db3a910a41dfae0eea93f49b08eb7e6253617 (diff) | |
| -rw-r--r-- | sys/dev/asmc/asmc.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/dev/asmc/asmc.c b/sys/dev/asmc/asmc.c index bdb8ca7831c4..0572c8e663a7 100644 --- a/sys/dev/asmc/asmc.c +++ b/sys/dev/asmc/asmc.c @@ -97,6 +97,7 @@ static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); +static int asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS); static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); @@ -656,6 +657,13 @@ asmc_attach(device_t dev) CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, dev, j, model->smc_fan_targetspeed, "I", "Fan target speed in RPM"); + + SYSCTL_ADD_PROC(sysctlctx, + SYSCTL_CHILDREN(sc->sc_fan_tree[i]), + OID_AUTO, "manual", + CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, + dev, j, asmc_mb_sysctl_fanmanual, "I", + "Fan manual mode (0=auto, 1=manual)"); } /* @@ -1347,6 +1355,53 @@ asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) return (error); } +static int +asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS) +{ + device_t dev = (device_t) arg1; + int fan = arg2; + int error; + int32_t v; + uint8_t buf[2]; + uint16_t val; + + /* Read current FS! bitmask (asmc_key_read locks internally) */ + error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, sizeof(buf)); + if (error != 0) + return (error); + + /* Extract manual bit for this fan (big-endian) */ + val = (buf[0] << 8) | buf[1]; + v = (val >> fan) & 0x01; + + /* Let sysctl handle the value */ + error = sysctl_handle_int(oidp, &v, 0, req); + + if (error == 0 && req->newptr != NULL) { + /* Validate input (0 = auto, 1 = manual) */ + if (v != 0 && v != 1) + return (EINVAL); + /* Read-modify-write of FS! bitmask */ + error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, sizeof(buf)); + if (error == 0) { + val = (buf[0] << 8) | buf[1]; + + /* Modify single bit */ + if (v) + val |= (1 << fan); /* Set to manual */ + else + val &= ~(1 << fan); /* Set to auto */ + + /* Write back */ + buf[0] = val >> 8; + buf[1] = val & 0xff; + error = asmc_key_write(dev, ASMC_KEY_FANMANUAL, buf, sizeof(buf)); + } + } + + return (error); +} + /* * Temperature functions. */ |