static int saitek_raw_event(struct hid_device *hdev,
struct hid_report *report, u8 *raw_data, int size)
{
struct saitek_sc *ssc = hid_get_drvdata(hdev);
if (ssc->quirks & SAITEK_RELEASE_MODE_RAT7 && size == 7) {
/* R.A.T.7 uses bits 13, 14, 15 for the mode */
int mode = -1;
if (raw_data[1] & 0x01)
mode = 0;
else if (raw_data[1] & 0x02)
mode = 1;
else if (raw_data[1] & 0x04)
mode = 2;
/* clear mode bits */
raw_data[1] &= ~0x07;
if (mode != ssc->mode) {
hid_dbg(hdev, "entered mode %d\n", mode);
if (ssc->mode != -1) {
/* use bit 13 as the mode button */
raw_data[1] |= 0x04;
}
ssc->mode = mode;
}
} else if (ssc->quirks & SAITEK_RELEASE_MODE_MMO7 && size == 8) {
/* M.M.O.7 uses bits 8, 22, 23 for the mode */
int mode = -1;
if (raw_data[1] & 0x80)
mode = 0;
else if (raw_data[2] & 0x01)
mode = 1;
else if (raw_data[2] & 0x02)
mode = 2;
/* clear mode bits */
raw_data[1] &= ~0x80;
raw_data[2] &= ~0x03;
if (mode != ssc->mode) {
hid_dbg(hdev, "entered mode %d\n", mode);
if (ssc->mode != -1) {
/* use bit 8 as the mode button, bits 22
* and 23 do not represent buttons
* according to the HID report descriptor
*/
raw_data[1] |= 0x80;
}
ssc->mode = mode;
}
}
return 0;
}
int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
u32 usage_id,
struct hid_sensor_common *st)
{
struct hid_sensor_hub_attribute_info timestamp;
s32 value;
int ret;
hid_sensor_get_reporting_interval(hsdev, usage_id, st);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_REPORT_STATE,
&st->report_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROY_POWER_STATE,
&st->power_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,
&st->sensitivity);
st->raw_hystersis = -1;
sensor_hub_input_get_attribute_info(hsdev,
HID_INPUT_REPORT, usage_id,
HID_USAGE_SENSOR_TIME_TIMESTAMP,
×tamp);
if (timestamp.index >= 0 && timestamp.report_id) {
int val0, val1;
hid_sensor_format_scale(HID_USAGE_SENSOR_TIME_TIMESTAMP,
×tamp, &val0, &val1);
st->timestamp_ns_scale = val0;
} else
st->timestamp_ns_scale = 1000000000;
hid_sensor_get_report_latency_info(hsdev, usage_id, st);
hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x %x:%x\n",
st->poll.index, st->poll.report_id,
st->report_state.index, st->report_state.report_id,
st->power_state.index, st->power_state.report_id,
st->sensitivity.index, st->sensitivity.report_id,
timestamp.index, timestamp.report_id);
ret = sensor_hub_get_feature(hsdev,
st->power_state.report_id,
st->power_state.index, sizeof(value), &value);
if (ret < 0)
return ret;
if (value < 0)
return -EINVAL;
return 0;
}
int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
u32 usage_id,
struct hid_sensor_iio_common *st)
{
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_REPORT_INTERVAL,
&st->poll);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_REPORT_STATE,
&st->report_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROY_POWER_STATE,
&st->power_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,
&st->sensitivity);
hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x\n",
st->poll.index, st->poll.report_id,
st->report_state.index, st->report_state.report_id,
st->power_state.index, st->power_state.report_id,
st->sensitivity.index, st->sensitivity.report_id);
return 0;
}
static int valve_sc_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *raw_data, int size)
{
struct valve_sc_device *sc = hid_get_drvdata (hdev);
struct input_dev *input = sc->input;
if (sc->parse_raw_report && size == 64) {
switch (raw_data[SC_OFFSET_TYPE]) {
case 0x01: /* Input events */
if (raw_data[SC_OFFSET_LENGTH] != 60)
hid_warn(hdev, "Wrong input event length.\n");
if (input)
valve_sc_parse_input_events(sc, raw_data);
break;
case 0x03: /* Connection events */
if (raw_data[SC_OFFSET_LENGTH] != 1)
hid_warn(hdev, "Wrong connection event length.\n");
switch (raw_data[4]) {
case 0x01: /* Disconnected device */
hid_dbg(hdev, "Disconnected event\n");
if (sc->connected) {
sc->connected = false;
schedule_work(&sc->disconnect_work);
}
break;
case 0x02: /* Connected device */
hid_dbg(hdev, "Connected event\n");
if (!sc->connected) {
sc->connected = true;
schedule_work(&sc->connect_work);
}
break;
case 0x03: /* Paired device*/
default:
break;
}
break;
default:
break;
}
}
return 0;
}
static void hid_sensor_get_report_latency_info(struct hid_sensor_hub_device *hsdev,
u32 usage_id,
struct hid_sensor_common *st)
{
sensor_hub_input_get_attribute_info(hsdev, HID_FEATURE_REPORT,
usage_id,
HID_USAGE_SENSOR_PROP_REPORT_LATENCY,
&st->report_latency);
hid_dbg(hsdev->hdev, "Report latency attributes: %x:%x\n",
st->report_latency.index, st->report_latency.report_id);
}
static int blink1_send_command(struct blink1_data *data,
u8 buf[BLINK1_CMD_SIZE])
{
int ret;
hid_dbg(data->hdev, "command: %d%c%.2x%.2x%.2x%.2x%.2x%.2x%.2x\n",
buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7], buf[8]);
ret = data->hdev->hid_output_raw_report(data->hdev, buf,
BLINK1_CMD_SIZE, HID_FEATURE_REPORT);
return ret < 0 ? ret : 0;
}
static int lenovo_probe_cptkbd(struct hid_device *hdev)
{
int ret;
struct lenovo_drvdata_cptkbd *cptkbd_data;
/* All the custom action happens on the USBMOUSE device for USB */
if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
&& hdev->type != HID_TYPE_USBMOUSE) {
hid_dbg(hdev, "Ignoring keyboard half of device\n");
return 0;
}
cptkbd_data = devm_kzalloc(&hdev->dev,
sizeof(*cptkbd_data),
GFP_KERNEL);
if (cptkbd_data == NULL) {
hid_err(hdev, "can't alloc keyboard descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, cptkbd_data);
/*
* Tell the keyboard a driver understands it, and turn F7, F9, F11 into
* regular keys
*/
ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
if (ret)
hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
/* Switch middle button to native mode */
ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
if (ret)
hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
/* Set keyboard settings to known state */
cptkbd_data->middlebutton_state = 0;
cptkbd_data->fn_lock = true;
cptkbd_data->sensitivity = 0x05;
lenovo_features_set_cptkbd(hdev);
ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
if (ret)
hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
return 0;
}
int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
u32 usage_id,
struct hid_sensor_common *st)
{
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_REPORT_INTERVAL,
&st->poll);
/* Default unit of measure is milliseconds */
if (st->poll.units == 0)
st->poll.units = HID_USAGE_SENSOR_UNITS_MILLISECOND;
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_REPORT_STATE,
&st->report_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROT_POWER_STATE,
&st->power_state);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,
&st->sensitivity);
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_SENSOR_CONNECTION_TYPE,
&st->conn_type);
hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x %x:%x\n",
st->poll.index, st->poll.report_id,
st->report_state.index, st->report_state.report_id,
st->power_state.index, st->power_state.report_id,
st->sensitivity.index, st->sensitivity.report_id,
st->conn_type.index, st->conn_type.report_id);
return 0;
}
static int u2fzero_rng_read(struct hwrng *rng, void *data,
size_t max, bool wait)
{
struct u2fzero_device *dev = container_of(rng,
struct u2fzero_device, hwrng);
struct u2f_hid_report req = {
.report_type = 0,
.msg.cid = CID_BROADCAST,
.msg.init = {
.cmd = U2F_CUSTOM_GET_RNG,
.bcnth = 0,
.bcntl = 0,
.data = {0},
}
};
struct u2f_hid_msg resp;
int ret;
size_t actual_length;
if (!dev->present) {
hid_dbg(dev->hdev, "device not present");
return 0;
}
ret = u2fzero_recv(dev, &req, &resp);
if (ret < 0)
return 0;
/* only take the minimum amount of data it is safe to take */
actual_length = min3((size_t)ret - offsetof(struct u2f_hid_msg,
init.data), U2F_HID_MSG_LEN(resp), max);
memcpy(data, resp.init.data, actual_length);
return actual_length;
}