static int valve_sc_send_request(struct valve_sc_device *sc, u8 report_id,
const u8 *params, int params_size,
u8 *answer, int *answer_size)
{
int ret;
struct hid_device *hdev = sc->hdev;
u8 report[65];
if (params_size > 62)
return -EINVAL;
report[0] = 0;
report[1] = report_id;
report[2] = params_size;
memcpy(&report[3], params, params_size);
ret = hid_hw_raw_request(hdev, 0, report, sizeof(report),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
if (ret < 0) {
hid_warn(hdev, "Error sending feature: %d\n", -ret);
return ret;
}
if (ret != sizeof (report)) {
hid_warn(hdev, "Sent incomplete feature.\n");
return -EIO;
}
if (!answer)
return 0;
msleep(50);
ret = hid_hw_raw_request(hdev, 0, report, sizeof(report),
HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
if (ret < 0) {
hid_warn(hdev, "Error receiving feature: %d\n", -ret);
return ret;
}
if (ret != sizeof (report)) {
hid_warn(hdev, "Received incomplete feature.\n");
return -EIO;
}
if (report[1] != report_id) {
hid_warn(hdev, "Invalid feature id.\n");
return -EIO;
}
*answer_size = report[2];
memcpy(answer, &report[3], *answer_size);
return 0;
}
/* The first byte is expected to be a report number.
* This function is to be called with the minors_lock mutex held */
static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, size_t count, unsigned char report_type)
{
unsigned int minor = iminor(file->f_path.dentry->d_inode);
struct hid_device *dev;
__u8 *buf;
int ret = 0;
if (!hidraw_table[minor]) {
ret = -ENODEV;
goto out;
}
dev = hidraw_table[minor]->hid;
if (!dev->hid_output_raw_report) {
ret = -ENODEV;
goto out;
}
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(dev, "pid %d passed too large report\n",
task_pid_nr(current));
ret = -EINVAL;
goto out;
}
if (count < 2) {
hid_warn(dev, "pid %d passed too short report\n",
task_pid_nr(current));
ret = -EINVAL;
goto out;
}
buf = kmalloc(count * sizeof(__u8), GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto out;
}
if (copy_from_user(buf, buffer, count)) {
ret = -EFAULT;
goto out_free;
}
ret = dev->hid_output_raw_report(dev, buf, count, report_type);
out_free:
kfree(buf);
out:
return ret;
}
static int tpkbd_probe_tp(struct hid_device *hdev)
{
struct device *dev = &hdev->dev;
struct tpkbd_data_pointer *data_pointer;
size_t name_sz = strlen(dev_name(dev)) + 16;
char *name_mute, *name_micmute;
int i;
/* Validate required reports. */
for (i = 0; i < 4; i++) {
if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
return -ENODEV;
}
if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
return -ENODEV;
if (sysfs_create_group(&hdev->dev.kobj,
&tpkbd_attr_group_pointer)) {
hid_warn(hdev, "Could not create sysfs group\n");
}
data_pointer = devm_kzalloc(&hdev->dev,
sizeof(struct tpkbd_data_pointer),
GFP_KERNEL);
if (data_pointer == NULL) {
hid_err(hdev, "Could not allocate memory for driver data\n");
return -ENOMEM;
}
// set same default values as windows driver
data_pointer->sensitivity = 0xa0;
data_pointer->press_speed = 0x38;
name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
if (name_mute == NULL || name_micmute == NULL) {
hid_err(hdev, "Could not allocate memory for led data\n");
return -ENOMEM;
}
snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
hid_set_drvdata(hdev, data_pointer);
data_pointer->led_mute.name = name_mute;
data_pointer->led_mute.brightness_get = tpkbd_led_brightness_get;
data_pointer->led_mute.brightness_set = tpkbd_led_brightness_set;
data_pointer->led_mute.dev = dev;
led_classdev_register(dev, &data_pointer->led_mute);
data_pointer->led_micmute.name = name_micmute;
data_pointer->led_micmute.brightness_get = tpkbd_led_brightness_get;
data_pointer->led_micmute.brightness_set = tpkbd_led_brightness_set;
data_pointer->led_micmute.dev = dev;
led_classdev_register(dev, &data_pointer->led_micmute);
tpkbd_features_set(hdev);
return 0;
}
static int ax_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int error;
dev_dbg(&hdev->dev, "ACRUX HID hardware probe...\n");
error = hid_parse(hdev);
if (error) {
hid_err(hdev, "parse failed\n");
return error;
}
error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (error) {
hid_err(hdev, "hw start failed\n");
return error;
}
error = axff_init(hdev);
if (error) {
/*
* Do not fail device initialization completely as device
* may still be partially operable, just warn.
*/
hid_warn(hdev,
"Failed to enable force feedback support, error: %d\n",
error);
}
return 0;
}
static ssize_t valve_sc_store_orientation(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct valve_sc_device *sc = dev_get_drvdata(dev);
struct hid_device *hdev = to_hid_device(dev);
u8 params[3];
if (strncmp(buf, "on", 2) == 0)
sc->orientation = SC_SETTINGS_ORIENTATION_ACCEL |
SC_SETTINGS_ORIENTATION_GYRO;
else if (strncmp(buf, "off", 3) == 0)
sc->orientation = 0;
else
return -EINVAL;
if (sc->connected) {
params[0] = SC_SETTINGS_ORIENTATION;
params[1] = sc->orientation;
params[2] = 0;
ret = valve_sc_send_request(sc, SC_FEATURE_SETTINGS,
params, sizeof(params),
NULL, NULL);
if (ret < 0)
hid_warn(hdev, "Error while setting automouse: %d\n", -ret);
}
return count;
}
static ssize_t valve_sc_store_autobuttons(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct valve_sc_device *sc = dev_get_drvdata(dev);
struct hid_device *hdev = to_hid_device(dev);
if (strncmp(buf, "on", 2) == 0)
sc->autobuttons = true;
else if (strncmp(buf, "off", 3) == 0)
sc->autobuttons = false;
else
return -EINVAL;
if (sc->connected) {
u8 feature;
if (sc->autobuttons)
feature = SC_FEATURE_ENABLE_AUTO_BUTTONS;
else
feature = SC_FEATURE_DISABLE_AUTO_BUTTONS;
ret = valve_sc_send_request(sc, feature,
NULL, 0,
NULL, NULL);
if (ret < 0)
hid_warn(hdev, "Error while setting autobuttons: %d\n", -ret);
}
return count;
}
static ssize_t valve_sc_store_automouse(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct valve_sc_device *sc = dev_get_drvdata(dev);
struct hid_device *hdev = to_hid_device(dev);
u8 params[3];
if (strncmp(buf, "on", 2) == 0)
sc->automouse = true;
else if (strncmp(buf, "off", 3) == 0)
sc->automouse = false;
else
return -EINVAL;
if (sc->connected) {
params[0] = SC_SETTINGS_AUTOMOUSE;
if (sc->automouse)
params[1] = SC_SETTINGS_AUTOMOUSE_ON;
else
params[1] = SC_SETTINGS_AUTOMOUSE_OFF;
params[2] = 0;
ret = valve_sc_send_request(sc, SC_FEATURE_SETTINGS,
params, sizeof(params),
NULL, NULL);
if (ret < 0)
hid_warn(hdev, "Error while setting automouse: %d\n", -ret);
}
return count;
}
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_irq_in(struct urb *urb)
{
struct hid_device *hid = urb->context;
struct usbhid_device *usbhid = hid->driver_data;
int status;
switch (urb->status) {
case 0: /* success */
usbhid_mark_busy(usbhid);
usbhid->retry_delay = 0;
hid_input_report(urb->context, HID_INPUT_REPORT,
urb->transfer_buffer,
urb->actual_length, 1);
/*
* autosuspend refused while keys are pressed
* because most keyboards don't wake up when
* a key is released
*/
if (hid_check_keys_pressed(hid))
set_bit(HID_KEYS_PRESSED, &usbhid->iofl);
else
clear_bit(HID_KEYS_PRESSED, &usbhid->iofl);
break;
case -EPIPE: /* stall */
usbhid_mark_busy(usbhid);
clear_bit(HID_IN_RUNNING, &usbhid->iofl);
set_bit(HID_CLEAR_HALT, &usbhid->iofl);
schedule_work(&usbhid->reset_work);
return;
case -ECONNRESET: /* unlink */
case -ENOENT:
case -ESHUTDOWN: /* unplug */
clear_bit(HID_IN_RUNNING, &usbhid->iofl);
return;
case -EILSEQ: /* protocol error or unplug */
case -EPROTO: /* protocol error or unplug */
case -ETIME: /* protocol error or unplug */
case -ETIMEDOUT: /* Should never happen, but... */
usbhid_mark_busy(usbhid);
clear_bit(HID_IN_RUNNING, &usbhid->iofl);
hid_io_error(hid);
return;
default: /* error */
hid_warn(urb->dev, "input irq status %d received\n",
urb->status);
}
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status) {
clear_bit(HID_IN_RUNNING, &usbhid->iofl);
if (status != -EPERM) {
hid_err(hid, "can't resubmit intr, %s-%s/input%d, status %d\n",
hid_to_usb_dev(hid)->bus->bus_name,
hid_to_usb_dev(hid)->devpath,
usbhid->ifnum, status);
hid_io_error(hid);
}
}
}
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;
}
static void handler_return(struct wiimote_data *wdata, const __u8 *payload)
{
__u8 err = payload[3];
__u8 cmd = payload[2];
handler_keys(wdata, payload);
if (err)
hid_warn(wdata->hdev, "Remote error %hhu on req %hhu\n", err,
cmd);
}
/* Find a given report */
struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir)
{
struct list_head *feature_report_list = &hdev->report_enum[dir].report_list;
struct hid_report *report = NULL;
list_for_each_entry(report, feature_report_list, list) {
if (report->id == id)
return report;
}
hid_warn(hdev, "No report with id 0x%x found\n", id);
return NULL;
}
static void wiimote_queue(struct wiimote_data *wdata, const __u8 *buffer,
size_t count)
{
unsigned long flags;
__u8 newhead;
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(wdata->hdev, "Sending too large output report\n");
return;
}
/*
* Copy new request into our output queue and check whether the
* queue is full. If it is full, discard this request.
* If it is empty we need to start a new worker that will
* send out the buffer to the hid device.
* If the queue is not empty, then there must be a worker
* that is currently sending out our buffer and this worker
* will reschedule itself until the queue is empty.
*/
spin_lock_irqsave(&wdata->qlock, flags);
memcpy(wdata->outq[wdata->head].data, buffer, count);
wdata->outq[wdata->head].size = count;
newhead = (wdata->head + 1) % WIIMOTE_BUFSIZE;
if (wdata->head == wdata->tail) {
wdata->head = newhead;
schedule_work(&wdata->worker);
} else if (newhead != wdata->tail) {
wdata->head = newhead;
} else {
hid_warn(wdata->hdev, "Output queue is full");
}
spin_unlock_irqrestore(&wdata->qlock, flags);
}
static void uhid_queue(struct uhid_device *uhid, struct uhid_event *ev)
{
__u8 newhead;
newhead = (uhid->head + 1) % UHID_BUFSIZE;
if (newhead != uhid->tail) {
uhid->outq[uhid->head] = ev;
uhid->head = newhead;
wake_up_interruptible(&uhid->waitq);
} else {
hid_warn(uhid->hid, "Output queue is full\n");
kfree(ev);
}
}
static int uhid_hid_input(struct input_dev *input, unsigned int type,
unsigned int code, int value)
{
struct hid_device *hid = input_get_drvdata(input);
struct uhid_device *uhid = hid->driver_data;
unsigned long flags;
struct uhid_event *ev;
struct hid_field *field;
struct hid_report *report;
int offset;
ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
if (!ev)
return -ENOMEM;
switch (type) {
case EV_LED:
offset = hidinput_find_field(hid, type, code, &field);
if (offset == -1) {
hid_warn(input, "event field not found\n");
kfree(ev);
return -1;
}
hid_set_field(field, offset, value);
report = field->report;
ev->type = UHID_OUTPUT;
ev->u.output.rtype = UHID_OUTPUT_REPORT;
hid_output_report(report, ev->u.output.data);
ev->u.output.size = ((report->size - 1) >> 3) + 1 +
(report->id > 0);
break;
default:
ev->type = UHID_OUTPUT_EV;
ev->u.output_ev.type = type;
ev->u.output_ev.code = code;
ev->u.output_ev.value = value;
}
spin_lock_irqsave(&uhid->qlock, flags);
uhid_queue(uhid, ev);
spin_unlock_irqrestore(&uhid->qlock, flags);
return 0;
}
static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
{
struct tmff_device *tmff;
struct hid_report *report;
struct list_head *report_list;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
int error;
int i;
tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
if (!tmff)
return -ENOMEM;
/* Find the report to use */
report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
list_for_each_entry(report, report_list, list) {
int fieldnum;
for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
struct hid_field *field = report->field[fieldnum];
if (field->maxusage <= 0)
continue;
switch (field->usage[0].hid) {
case THRUSTMASTER_USAGE_FF:
if (field->report_count < 2) {
<<<<<<< HEAD
hid_warn(hid, "ignoring FF field with report_count < 2\n");
=======
dev_warn(&hid->dev, "ignoring FF field "
"with report_count < 2\n");
>>>>>>> 296c66da8a02d52243f45b80521febece5ed498a
continue;
}
static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
{
struct tmff_device *tmff;
struct hid_report *report;
struct list_head *report_list;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
struct input_dev *input_dev = hidinput->input;
int error;
int i;
tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
if (!tmff)
return -ENOMEM;
/* Find the report to use */
report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
list_for_each_entry(report, report_list, list) {
int fieldnum;
for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) {
struct hid_field *field = report->field[fieldnum];
if (field->maxusage <= 0)
continue;
switch (field->usage[0].hid) {
case THRUSTMASTER_USAGE_FF:
if (field->report_count < 2) {
hid_warn(hid, "ignoring FF field with report_count < 2\n");
continue;
}
if (field->logical_maximum ==
field->logical_minimum) {
hid_warn(hid, "ignoring FF field with logical_maximum == logical_minimum\n");
continue;
}
if (tmff->report && tmff->report != report) {
hid_warn(hid, "ignoring FF field in other report\n");
continue;
}
if (tmff->ff_field && tmff->ff_field != field) {
hid_warn(hid, "ignoring duplicate FF field\n");
continue;
}
tmff->report = report;
tmff->ff_field = field;
for (i = 0; ff_bits[i] >= 0; i++)
set_bit(ff_bits[i], input_dev->ffbit);
break;
default:
hid_warn(hid, "ignoring unknown output usage %08x\n",
field->usage[0].hid);
continue;
}
}
}
static int valve_sc_init_device(struct valve_sc_device *sc)
{
int ret;
struct hid_device *hdev = sc->hdev;
struct input_dev *input;
u8 params[6];
u8 feature;
u8 serial[64];
int serial_len;
char *name, *uniq;
int name_sz, uniq_sz;
hid_info(hdev, "Initializing device.\n");
/* Retrieve controller serial */
serial[0] = 1;
ret = valve_sc_send_request(sc, SC_FEATURE_GET_SERIAL,
serial, 21,
serial, &serial_len);
if (ret < 0 || serial_len < 1 || serial_len > 62) {
hid_warn(hdev, "Error while get controller serial: %d\n", -ret);
serial[1] = '\0';
}
else {
serial[serial_len] = '\0';
}
/* Set mouse mode for right pad */
params[0] = SC_SETTINGS_AUTOMOUSE;
if (sc->automouse)
params[1] = SC_SETTINGS_AUTOMOUSE_ON;
else
params[1] = SC_SETTINGS_AUTOMOUSE_OFF;
params[2] = 0;
params[3] = SC_SETTINGS_ORIENTATION;
params[4] = sc->orientation;
params[5] = 0;
ret = valve_sc_send_request(sc, SC_FEATURE_SETTINGS,
params, 6,
NULL, NULL);
if (ret < 0)
hid_warn(hdev, "Error while disabling mouse: %d\n", -ret);
/* Disable buttons acting as keys */
if (sc->autobuttons)
feature = SC_FEATURE_ENABLE_AUTO_BUTTONS;
else
feature = SC_FEATURE_DISABLE_AUTO_BUTTONS;
ret = valve_sc_send_request(sc, feature,
NULL, 0,
NULL, NULL);
if (ret < 0)
hid_warn(hdev, "Error while setting auto buttons: %d\n", -ret);
/* Create input device */
input = input_allocate_device();
if (!input) {
hid_err(hdev, "Failed to allocate input device.\n");
return -ENOMEM;
}
sc->input = input;
input->dev.parent = &hdev->dev;
input->id.bustype = hdev->bus;
input->id.vendor = hdev->vendor;
input->id.product = hdev->product;
input->id.version = hdev->version;
name_sz = strlen(hdev->name) + 1;
name = devm_kzalloc(&input->dev, name_sz, GFP_KERNEL);
strncpy(name, hdev->name, name_sz);
input->name = name;
uniq_sz = serial_len + 1;
uniq = devm_kzalloc(&input->dev, uniq_sz, GFP_KERNEL);
strncpy(uniq, &serial[1], serial_len);
uniq[serial_len] = '\0';
input->uniq = uniq;
valve_sc_setup_input(input);
ret = input_register_device(input);
if (ret != 0) {
hid_err(hdev, "Failed to register input device: %d.\n", -ret);
input_free_device(input);
sc->input = NULL;
return ret;
}
return 0;
}
/**
* Enable fully-functional tablet mode and determine device parameters.
*
* @hdev: HID device
*/
static int huion_tablet_enable(struct hid_device *hdev)
{
int rc;
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
struct huion_drvdata *drvdata = hid_get_drvdata(hdev);
__le16 buf[6];
/*
* Read string descriptor containing tablet parameters. The specific
* string descriptor and data were discovered by sniffing the Windows
* driver traffic.
* NOTE: This enables fully-functional tablet mode.
*/
rc = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
(USB_DT_STRING << 8) + 0x64,
0x0409, buf, sizeof(buf),
USB_CTRL_GET_TIMEOUT);
if (rc == -EPIPE)
hid_warn(hdev, "device parameters not found\n");
else if (rc < 0)
hid_warn(hdev, "failed to get device parameters: %d\n", rc);
else if (rc != sizeof(buf))
hid_warn(hdev, "invalid device parameters\n");
else {
s32 params[HUION_PH_ID_NUM];
s32 resolution;
__u8 *p;
s32 v;
/* Extract device parameters */
params[HUION_PH_ID_X_LM] = le16_to_cpu(buf[1]);
params[HUION_PH_ID_Y_LM] = le16_to_cpu(buf[2]);
params[HUION_PH_ID_PRESSURE_LM] = le16_to_cpu(buf[4]);
resolution = le16_to_cpu(buf[5]);
if (resolution == 0) {
params[HUION_PH_ID_X_PM] = 0;
params[HUION_PH_ID_Y_PM] = 0;
} else {
params[HUION_PH_ID_X_PM] = params[HUION_PH_ID_X_LM] *
1000 / resolution;
params[HUION_PH_ID_Y_PM] = params[HUION_PH_ID_Y_LM] *
1000 / resolution;
}
/* Allocate fixed report descriptor */
drvdata->rdesc = devm_kmalloc(&hdev->dev,
sizeof(huion_tablet_rdesc_template),
GFP_KERNEL);
if (drvdata->rdesc == NULL) {
hid_err(hdev, "failed to allocate fixed rdesc\n");
return -ENOMEM;
}
drvdata->rsize = sizeof(huion_tablet_rdesc_template);
/* Format fixed report descriptor */
memcpy(drvdata->rdesc, huion_tablet_rdesc_template,
drvdata->rsize);
for (p = drvdata->rdesc;
p <= drvdata->rdesc + drvdata->rsize - 4;) {
if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D &&
p[3] < sizeof(params)) {
v = params[p[3]];
put_unaligned(cpu_to_le32(v), (s32 *)p);
p += 4;
} else {
p++;
}
}
}
return 0;
}
static int lenovo_probe_tpkbd(struct hid_device *hdev)
{
struct device *dev = &hdev->dev;
struct lenovo_drvdata_tpkbd *data_pointer;
size_t name_sz = strlen(dev_name(dev)) + 16;
char *name_mute, *name_micmute;
int i;
int ret;
/*
* Only register extra settings against subdevice where input_mapping
* set drvdata to 1, i.e. the trackpoint.
*/
if (!hid_get_drvdata(hdev))
return 0;
hid_set_drvdata(hdev, NULL);
/* Validate required reports. */
for (i = 0; i < 4; i++) {
if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
return -ENODEV;
}
if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
return -ENODEV;
ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
if (ret)
hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
data_pointer = devm_kzalloc(&hdev->dev,
sizeof(struct lenovo_drvdata_tpkbd),
GFP_KERNEL);
if (data_pointer == NULL) {
hid_err(hdev, "Could not allocate memory for driver data\n");
return -ENOMEM;
}
// set same default values as windows driver
data_pointer->sensitivity = 0xa0;
data_pointer->press_speed = 0x38;
name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
if (name_mute == NULL || name_micmute == NULL) {
hid_err(hdev, "Could not allocate memory for led data\n");
return -ENOMEM;
}
snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
hid_set_drvdata(hdev, data_pointer);
data_pointer->led_mute.name = name_mute;
data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd;
data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd;
data_pointer->led_mute.dev = dev;
led_classdev_register(dev, &data_pointer->led_mute);
data_pointer->led_micmute.name = name_micmute;
data_pointer->led_micmute.brightness_get =
lenovo_led_brightness_get_tpkbd;
data_pointer->led_micmute.brightness_set =
lenovo_led_brightness_set_tpkbd;
data_pointer->led_micmute.dev = dev;
led_classdev_register(dev, &data_pointer->led_micmute);
lenovo_features_set_tpkbd(hdev);
return 0;
}
static int valve_sc_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct valve_sc_device *sc;
char answer[64];
int answer_len;
sc = devm_kzalloc(&hdev->dev, sizeof (struct valve_sc_device),
GFP_KERNEL);
if (!sc) {
hid_err (hdev, "cannot alloc driver data\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, sc);
sc->hdev = hdev;
sc->automouse = false;
sc->autobuttons = false;
sc->orientation = 0;
sc->center_touchpads = true;
INIT_WORK(&sc->connect_work, valve_sc_connect_work);
INIT_WORK(&sc->disconnect_work, valve_sc_disconnect_work);
ret = hid_parse(hdev);
if (ret != 0) {
hid_err(hdev, "parse failed\n");
return ret;
}
if (hdev->rsize == RAW_REPORT_DESC_SIZE &&
strncmp (hdev->rdesc, raw_report_desc, RAW_REPORT_DESC_SIZE) == 0) {
sc->parse_raw_report = true;
ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
if (ret != 0) {
hid_err(hdev, "HW start failed\n");
return ret;
}
ret = hid_hw_open(hdev);
if (ret != 0) {
hid_err(hdev, "HW open failed\n");
return ret;
}
switch (id->product) {
case USB_DEVICE_ID_STEAM_CONTROLLER:
/* Wired device is always connected */
sc->connected = true;
valve_sc_init_device(sc);
break;
case USB_DEVICE_ID_STEAM_CONTROLLER_RECEIVER:
/* Wireless will be initialized when connected */
sc->connected = false;
ret = valve_sc_send_request(sc, SC_FEATURE_GET_CONNECTION_STATE,
NULL, 0,
answer, &answer_len);
if (ret < 0)
hid_warn(hdev, "Error while getting connection state: %d\n", -ret);
break;
}
ret = sysfs_create_group(&hdev->dev.kobj, &valve_sc_attr_group);
if (ret != 0)
hid_warn(hdev, "Failed to create sysfs attribute group.\n");
}
else {
/* This is a generic mouse/keyboard interface */
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret != 0) {
hid_err(hdev, "HW start failed\n");
return ret;
}
}
return 0;
}
