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Diffstat (limited to 'sys/dev/usb/uthum.c')
-rw-r--r--sys/dev/usb/uthum.c111
1 files changed, 50 insertions, 61 deletions
diff --git a/sys/dev/usb/uthum.c b/sys/dev/usb/uthum.c
index d77fdaee4dc..e344196fe3a 100644
--- a/sys/dev/usb/uthum.c
+++ b/sys/dev/usb/uthum.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uthum.c,v 1.3 2009/11/29 17:32:06 deraadt Exp $ */
+/* $OpenBSD: uthum.c,v 1.4 2009/12/10 04:44:27 deraadt Exp $ */
/*
* Copyright (c) 2009 Yojiro UO <yuo@nui.org>
@@ -40,8 +40,8 @@
#endif
#ifdef UTHUM_DEBUG
-int uthumdebug = 0;
-#define DPRINTFN(n, x) do { if (uthumdebug > (n)) printf x; } while (0)
+int uthumdebug = 0;
+#define DPRINTFN(n, x) do { if (uthumdebug > (n)) printf x; } while (0)
#else
#define DPRINTFN(n, x)
#endif
@@ -52,10 +52,10 @@ int uthumdebug = 0;
/* TEMPerHUM */
#define CMD_DEVTYPE 0x52 /* XXX */
#define CMD_GETDATA 0x48 /* XXX */
-static uint8_t cmd_start[8] =
- {0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x00, 0x02, 0x00};
+static uint8_t cmd_start[8] =
+ { 0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x00, 0x02, 0x00 };
static uint8_t cmd_end[8] =
- {0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x00, 0x01, 0x00};
+ { 0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x00, 0x01, 0x00 };
/* sensors */
#define UTHUM_TEMP 0
@@ -82,7 +82,7 @@ struct uthum_softc {
/* sensor framework */
struct ksensor sc_sensor[UTHUM_MAX_SENSORS];
- struct ksensordev sc_sensordev;
+ struct ksensordev sc_sensordev;
struct sensor_task *sc_sensortask;
uint8_t sc_num_sensors;
@@ -91,14 +91,14 @@ struct uthum_softc {
const struct usb_devno uthum_devs[] = {
/* XXX: various TEMPer variants using same VID/PID */
- { USB_VENDOR_TENX, USB_PRODUCT_TENX_TEMPER},
+ { USB_VENDOR_TENX, USB_PRODUCT_TENX_TEMPER},
};
#define uthum_lookup(v, p) usb_lookup(uthum_devs, v, p)
-int uthum_match(struct device *, void *, void *);
-void uthum_attach(struct device *, struct device *, void *);
-int uthum_detach(struct device *, int);
-int uthum_activate(struct device *, int);
+int uthum_match(struct device *, void *, void *);
+void uthum_attach(struct device *, struct device *, void *);
+int uthum_detach(struct device *, int);
+int uthum_activate(struct device *, int);
int uthum_read_data(struct uthum_softc *, uint8_t, uint8_t *, size_t, int);
int uthum_check_sensortype(struct uthum_softc *);
@@ -108,17 +108,16 @@ int uthum_sht1x_rh(unsigned int, int);
void uthum_intr(struct uhidev *, void *, u_int);
void uthum_refresh(void *);
+struct cfdriver uthum_cd = {
+ NULL, "uthum", DV_DULL
+};
-struct cfdriver uthum_cd = {
- NULL, "uthum", DV_DULL
-};
-
-const struct cfattach uthum_ca = {
- sizeof(struct uthum_softc),
- uthum_match,
- uthum_attach,
- uthum_detach,
- uthum_activate,
+const struct cfattach uthum_ca = {
+ sizeof(struct uthum_softc),
+ uthum_match,
+ uthum_attach,
+ uthum_detach,
+ uthum_activate,
};
int
@@ -127,17 +126,16 @@ uthum_match(struct device *parent, void *match, void *aux)
struct usb_attach_arg *uaa = aux;
struct uhidev_attach_arg *uha = (struct uhidev_attach_arg *)uaa;
- if (uthum_lookup(uha->uaa->vendor, uha->uaa->product) == NULL) {
+ if (uthum_lookup(uha->uaa->vendor, uha->uaa->product) == NULL)
return UMATCH_NONE;
- }
-#if 0 /* attach only sensor part of HID as uthum* */
+#if 0 /* attach only sensor part of HID as uthum* */
#define HUG_UNKNOWN_3 0x0003
void *desc;
int size;
uhidev_get_report_desc(uha->parent, &desc, &size);
if (!hid_is_collection(desc, size, uha->reportid,
- HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_UNKNOWN_3)))
+ HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_UNKNOWN_3)))
return (UMATCH_NONE);
#undef HUG_UNKNOWN_3
#endif
@@ -168,7 +166,7 @@ uthum_attach(struct device *parent, struct device *self, void *aux)
sc->sc_flen = hid_report_size(desc, size, hid_feature, repid);
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
- &sc->sc_hdev.sc_dev);
+ &sc->sc_hdev.sc_dev);
printf("\n");
if (sc->sc_flen < 32) {
@@ -180,18 +178,18 @@ uthum_attach(struct device *parent, struct device *self, void *aux)
/* attach sensor */
strlcpy(sc->sc_sensordev.xname, sc->sc_dev.dv_xname,
- sizeof(sc->sc_sensordev.xname));
+ sizeof(sc->sc_sensordev.xname));
switch (sc->sc_sensortype) {
case UTHUM_TYPE_SHT1x:
strlcpy(sc->sc_sensor[UTHUM_TEMP].desc, "temp",
- sizeof(sc->sc_sensor[UTHUM_TEMP].desc));
+ sizeof(sc->sc_sensor[UTHUM_TEMP].desc));
sc->sc_sensor[UTHUM_TEMP].type = SENSOR_TEMP;
sc->sc_sensor[UTHUM_TEMP].status = SENSOR_S_UNSPEC;
sc->sc_sensor[UTHUM_TEMP].flags = SENSOR_FINVALID;
strlcpy(sc->sc_sensor[UTHUM_HUMIDITY].desc, "humidity",
- sizeof(sc->sc_sensor[UTHUM_HUMIDITY].desc));
+ sizeof(sc->sc_sensor[UTHUM_HUMIDITY].desc));
sc->sc_sensor[UTHUM_HUMIDITY].type = SENSOR_PERCENT;
sc->sc_sensor[UTHUM_HUMIDITY].value = 0;
sc->sc_sensor[UTHUM_HUMIDITY].status = SENSOR_S_UNSPEC;
@@ -231,15 +229,14 @@ uthum_detach(struct device *self, int flags)
if (sc->sc_num_sensors > 0) {
wakeup(&sc->sc_sensortask);
sensordev_deinstall(&sc->sc_sensordev);
- for (i = 0; i < sc->sc_num_sensors; i++) {
+ for (i = 0; i < sc->sc_num_sensors; i++)
sensor_detach(&sc->sc_sensordev, &sc->sc_sensor[i]);
- }
if (sc->sc_sensortask != NULL)
sensor_task_unregister(sc->sc_sensortask);
}
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
- &sc->sc_hdev.sc_dev);
+ &sc->sc_hdev.sc_dev);
return (rv);
}
@@ -272,56 +269,49 @@ uthum_intr(struct uhidev *addr, void *ibuf, u_int len)
}
int
-uthum_read_data(struct uthum_softc *sc, uint8_t target_cmd, uint8_t *buf,
+uthum_read_data(struct uthum_softc *sc, uint8_t target_cmd, uint8_t *buf,
size_t len, int delay)
{
int i;
uint8_t cmdbuf[32], report[256];
/* if return buffer is null, do nothing */
- if ((buf == NULL) || len == 0) {
+ if ((buf == NULL) || len == 0)
return 0;
- }
/* issue query */
bzero(cmdbuf, sizeof(cmdbuf));
memcpy(cmdbuf, cmd_start, sizeof(cmd_start));
- if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
- cmdbuf, sc->sc_olen)) {
+ if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
+ cmdbuf, sc->sc_olen))
return EIO;
- }
+
bzero(cmdbuf, sizeof(cmdbuf));
cmdbuf[0] = target_cmd;
- if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
- cmdbuf, sc->sc_olen)) {
+ if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
+ cmdbuf, sc->sc_olen))
return EIO;
- }
+
bzero(cmdbuf, sizeof(cmdbuf));
for (i = 0; i < 7; i++) {
- if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
- cmdbuf, sc->sc_olen)) {
+ if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
+ cmdbuf, sc->sc_olen))
return EIO;
- }
}
memcpy(cmdbuf, cmd_end, sizeof(cmd_end));
- if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
- cmdbuf, sc->sc_olen)) {
+ if (uhidev_set_report(&sc->sc_hdev, UHID_OUTPUT_REPORT,
+ cmdbuf, sc->sc_olen))
return EIO;
- }
/* wait if required */
- if (delay > 0) {
+ if (delay > 0)
tsleep(&sc->sc_sensortask, 0, "uthum", (delay*hz+999)/1000 + 1);
- }
/* get answer */
if (uhidev_get_report(&sc->sc_hdev, UHID_FEATURE_REPORT,
- report, sc->sc_flen)) {
+ report, sc->sc_flen))
return EIO;
- }
-
memcpy(buf, report, len);
-
return 0;
}
@@ -329,23 +319,22 @@ int
uthum_check_sensortype(struct uthum_softc *sc)
{
uint8_t buf[8];
- static uint8_t sht1x_sig[] =
- {0x57, 0x5a, 0x13, 0x00, 0x14, 0x00, 0x53, 0x00};
+ static uint8_t sht1x_sig[] =
+ { 0x57, 0x5a, 0x13, 0x00, 0x14, 0x00, 0x53, 0x00 };
if (uthum_read_data(sc, CMD_DEVTYPE, buf, sizeof(buf), 0) != 0) {
DPRINTF(("uthum: read fail\n"));
return UTHUM_TYPE_UNKNOWN;
}
- /*
+ /*
* currently we have not enough information about the return value,
* therefore, compare full bytes.
* TEMPerHUM HID (SHT1x version) will return:
- * {0x57, 0x5a, 0x13, 0x00, 0x14, 0x00, 0x53, 0x00}
+ * { 0x57, 0x5a, 0x13, 0x00, 0x14, 0x00, 0x53, 0x00 }
*/
- if (memcmp(buf, sht1x_sig, sizeof(sht1x_sig))) {
+ if (memcmp(buf, sht1x_sig, sizeof(sht1x_sig)))
return UTHUM_TYPE_SHT1x;
- }
return UTHUM_TYPE_UNKNOWN;
}
@@ -399,6 +388,6 @@ uthum_sht1x_rh(unsigned int ticks, int temp)
int rh_l, rh;
rh_l = (-40000 + 405 * ticks) - ((7 * ticks * ticks) / 250);
- rh = ((temp - 2500) * (1 + (ticks >> 7)) + rh_l) / 10;
+ rh = ((temp - 2500) * (1 + (ticks >> 7)) + rh_l) / 10;
return rh;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 20:15:47 +0000