aboutsummaryrefslogtreecommitdiff
path: root/drivers/hid
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-a4tech.c21
-rw-r--r--drivers/hid/hid-apple.c16
-rw-r--r--drivers/hid/hid-core.c118
-rw-r--r--drivers/hid/hid-input.c80
-rw-r--r--drivers/hid/hid-logitech-dj.c10
-rw-r--r--drivers/hid/hid-magicmouse.c17
-rw-r--r--drivers/hid/hid-multitouch.c107
-rw-r--r--drivers/hid/hid-sony.c9
-rw-r--r--drivers/hid/hid-wiimote-core.c41
-rw-r--r--drivers/hid/hid-wiimote-modules.c392
-rw-r--r--drivers/hid/hid-wiimote.h3
-rw-r--r--drivers/hid/hid-zydacron.c19
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c73
-rw-r--r--drivers/hid/uhid.c25
-rw-r--r--drivers/hid/usbhid/hid-core.c78
-rw-r--r--drivers/hid/usbhid/usbhid.h3
16 files changed, 705 insertions, 307 deletions
diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c
index 7c5507e9482..9428ea7cdf8 100644
--- a/drivers/hid/hid-a4tech.c
+++ b/drivers/hid/hid-a4tech.c
@@ -90,11 +90,10 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct a4tech_sc *a4;
int ret;
- a4 = kzalloc(sizeof(*a4), GFP_KERNEL);
+ a4 = devm_kzalloc(&hdev->dev, sizeof(*a4), GFP_KERNEL);
if (a4 == NULL) {
hid_err(hdev, "can't alloc device descriptor\n");
- ret = -ENOMEM;
- goto err_free;
+ return -ENOMEM;
}
a4->quirks = id->driver_data;
@@ -104,27 +103,16 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
return 0;
-err_free:
- kfree(a4);
- return ret;
-}
-
-static void a4_remove(struct hid_device *hdev)
-{
- struct a4tech_sc *a4 = hid_get_drvdata(hdev);
-
- hid_hw_stop(hdev);
- kfree(a4);
}
static const struct hid_device_id a4_devices[] = {
@@ -144,7 +132,6 @@ static struct hid_driver a4_driver = {
.input_mapped = a4_input_mapped,
.event = a4_event,
.probe = a4_probe,
- .remove = a4_remove,
};
module_hid_driver(a4_driver);
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index c7710b5c69a..881cf7b4f9a 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -349,7 +349,7 @@ static int apple_probe(struct hid_device *hdev,
unsigned int connect_mask = HID_CONNECT_DEFAULT;
int ret;
- asc = kzalloc(sizeof(*asc), GFP_KERNEL);
+ asc = devm_kzalloc(&hdev->dev, sizeof(*asc), GFP_KERNEL);
if (asc == NULL) {
hid_err(hdev, "can't alloc apple descriptor\n");
return -ENOMEM;
@@ -362,7 +362,7 @@ static int apple_probe(struct hid_device *hdev,
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
if (quirks & APPLE_HIDDEV)
@@ -373,19 +373,10 @@ static int apple_probe(struct hid_device *hdev,
ret = hid_hw_start(hdev, connect_mask);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
return 0;
-err_free:
- kfree(asc);
- return ret;
-}
-
-static void apple_remove(struct hid_device *hdev)
-{
- hid_hw_stop(hdev);
- kfree(hid_get_drvdata(hdev));
}
static const struct hid_device_id apple_devices[] = {
@@ -551,7 +542,6 @@ static struct hid_driver apple_driver = {
.id_table = apple_devices,
.report_fixup = apple_report_fixup,
.probe = apple_probe,
- .remove = apple_remove,
.event = apple_event,
.input_mapping = apple_input_mapping,
.input_mapped = apple_input_mapped,
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2ac13ca6eda..2c778542e40 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -681,12 +681,61 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
return NULL;
}
-static void hid_scan_usage(struct hid_device *hid, u32 usage)
+static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
{
+ struct hid_device *hid = parser->device;
+
if (usage == HID_DG_CONTACTID)
hid->group = HID_GROUP_MULTITOUCH;
}
+static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
+{
+ if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
+ parser->global.report_size == 8)
+ parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
+}
+
+static void hid_scan_collection(struct hid_parser *parser, unsigned type)
+{
+ struct hid_device *hid = parser->device;
+
+ if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
+ type == HID_COLLECTION_PHYSICAL)
+ hid->group = HID_GROUP_SENSOR_HUB;
+}
+
+static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
+{
+ __u32 data;
+ int i;
+
+ data = item_udata(item);
+
+ switch (item->tag) {
+ case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
+ hid_scan_collection(parser, data & 0xff);
+ break;
+ case HID_MAIN_ITEM_TAG_END_COLLECTION:
+ break;
+ case HID_MAIN_ITEM_TAG_INPUT:
+ for (i = 0; i < parser->local.usage_index; i++)
+ hid_scan_input_usage(parser, parser->local.usage[i]);
+ break;
+ case HID_MAIN_ITEM_TAG_OUTPUT:
+ break;
+ case HID_MAIN_ITEM_TAG_FEATURE:
+ for (i = 0; i < parser->local.usage_index; i++)
+ hid_scan_feature_usage(parser, parser->local.usage[i]);
+ break;
+ }
+
+ /* Reset the local parser environment */
+ memset(&parser->local, 0, sizeof(parser->local));
+
+ return 0;
+}
+
/*
* Scan a report descriptor before the device is added to the bus.
* Sets device groups and other properties that determine what driver
@@ -694,48 +743,41 @@ static void hid_scan_usage(struct hid_device *hid, u32 usage)
*/
static int hid_scan_report(struct hid_device *hid)
{
- unsigned int page = 0, delim = 0;
+ struct hid_parser *parser;
+ struct hid_item item;
__u8 *start = hid->dev_rdesc;
__u8 *end = start + hid->dev_rsize;
- unsigned int u, u_min = 0, u_max = 0;
- struct hid_item item;
+ static int (*dispatch_type[])(struct hid_parser *parser,
+ struct hid_item *item) = {
+ hid_scan_main,
+ hid_parser_global,
+ hid_parser_local,
+ hid_parser_reserved
+ };
+ parser = vzalloc(sizeof(struct hid_parser));
+ if (!parser)
+ return -ENOMEM;
+
+ parser->device = hid;
hid->group = HID_GROUP_GENERIC;
- while ((start = fetch_item(start, end, &item)) != NULL) {
- if (item.format != HID_ITEM_FORMAT_SHORT)
- return -EINVAL;
- if (item.type == HID_ITEM_TYPE_GLOBAL) {
- if (item.tag == HID_GLOBAL_ITEM_TAG_USAGE_PAGE)
- page = item_udata(&item) << 16;
- } else if (item.type == HID_ITEM_TYPE_LOCAL) {
- if (delim > 1)
- break;
- u = item_udata(&item);
- if (item.size <= 2)
- u += page;
- switch (item.tag) {
- case HID_LOCAL_ITEM_TAG_DELIMITER:
- delim += !!u;
- break;
- case HID_LOCAL_ITEM_TAG_USAGE:
- hid_scan_usage(hid, u);
- break;
- case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
- u_min = u;
- break;
- case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
- u_max = u;
- for (u = u_min; u <= u_max; u++)
- hid_scan_usage(hid, u);
- break;
- }
- } else if (page == HID_UP_SENSOR &&
- item.type == HID_ITEM_TYPE_MAIN &&
- item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
- (item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL)
- hid->group = HID_GROUP_SENSOR_HUB;
- }
+ /*
+ * The parsing is simpler than the one in hid_open_report() as we should
+ * be robust against hid errors. Those errors will be raised by
+ * hid_open_report() anyway.
+ */
+ while ((start = fetch_item(start, end, &item)) != NULL)
+ dispatch_type[item.type](parser, &item);
+
+ /*
+ * Handle special flags set during scanning.
+ */
+ if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
+ (hid->group == HID_GROUP_MULTITOUCH))
+ hid->group = HID_GROUP_MULTITOUCH_WIN_8;
+
+ vfree(parser);
return 0;
}
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 3fc4034a436..b420f4a0fd2 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1145,6 +1145,74 @@ unsigned int hidinput_count_leds(struct hid_device *hid)
}
EXPORT_SYMBOL_GPL(hidinput_count_leds);
+static void hidinput_led_worker(struct work_struct *work)
+{
+ struct hid_device *hid = container_of(work, struct hid_device,
+ led_work);
+ struct hid_field *field;
+ struct hid_report *report;
+ int len;
+ __u8 *buf;
+
+ field = hidinput_get_led_field(hid);
+ if (!field)
+ return;
+
+ /*
+ * field->report is accessed unlocked regarding HID core. So there might
+ * be another incoming SET-LED request from user-space, which changes
+ * the LED state while we assemble our outgoing buffer. However, this
+ * doesn't matter as hid_output_report() correctly converts it into a
+ * boolean value no matter what information is currently set on the LED
+ * field (even garbage). So the remote device will always get a valid
+ * request.
+ * And in case we send a wrong value, a next led worker is spawned
+ * for every SET-LED request so the following worker will send the
+ * correct value, guaranteed!
+ */
+
+ report = field->report;
+
+ /* use custom SET_REPORT request if possible (asynchronous) */
+ if (hid->ll_driver->request)
+ return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT);
+
+ /* fall back to generic raw-output-report */
+ len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
+ buf = kmalloc(len, GFP_KERNEL);
+ if (!buf)
+ return;
+
+ hid_output_report(report, buf);
+ /* synchronous output report */
+ hid->hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT);
+ kfree(buf);
+}
+
+static int hidinput_input_event(struct input_dev *dev, unsigned int type,
+ unsigned int code, int value)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+ struct hid_field *field;
+ int offset;
+
+ if (type == EV_FF)
+ return input_ff_event(dev, type, code, value);
+
+ if (type != EV_LED)
+ return -1;
+
+ if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
+ hid_warn(dev, "event field not found\n");
+ return -1;
+ }
+
+ hid_set_field(field, offset, value);
+
+ schedule_work(&hid->led_work);
+ return 0;
+}
+
static int hidinput_open(struct input_dev *dev)
{
struct hid_device *hid = input_get_drvdata(dev);
@@ -1191,7 +1259,10 @@ static struct hid_input *hidinput_allocate(struct hid_device *hid)
}
input_set_drvdata(input_dev, hid);
- input_dev->event = hid->ll_driver->hidinput_input_event;
+ if (hid->ll_driver->hidinput_input_event)
+ input_dev->event = hid->ll_driver->hidinput_input_event;
+ else if (hid->ll_driver->request || hid->hid_output_raw_report)
+ input_dev->event = hidinput_input_event;
input_dev->open = hidinput_open;
input_dev->close = hidinput_close;
input_dev->setkeycode = hidinput_setkeycode;
@@ -1286,6 +1357,7 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
int i, j, k;
INIT_LIST_HEAD(&hid->inputs);
+ INIT_WORK(&hid->led_work, hidinput_led_worker);
if (!force) {
for (i = 0; i < hid->maxcollection; i++) {
@@ -1387,6 +1459,12 @@ void hidinput_disconnect(struct hid_device *hid)
input_unregister_device(hidinput->input);
kfree(hidinput);
}
+
+ /* led_work is spawned by input_dev callbacks, but doesn't access the
+ * parent input_dev at all. Once all input devices are removed, we
+ * know that led_work will never get restarted, so we can cancel it
+ * synchronously and are safe. */
+ cancel_work_sync(&hid->led_work);
}
EXPORT_SYMBOL_GPL(hidinput_disconnect);
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index d0e5963c1ba..7800b141056 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -809,10 +809,10 @@ static int logi_dj_probe(struct hid_device *hdev,
}
/* This is enabling the polling urb on the IN endpoint */
- retval = hdev->ll_driver->open(hdev);
+ retval = hid_hw_open(hdev);
if (retval < 0) {
- dev_err(&hdev->dev, "%s:hdev->ll_driver->open returned "
- "error:%d\n", __func__, retval);
+ dev_err(&hdev->dev, "%s:hid_hw_open returned error:%d\n",
+ __func__, retval);
goto llopen_failed;
}
@@ -829,7 +829,7 @@ static int logi_dj_probe(struct hid_device *hdev,
return retval;
logi_dj_recv_query_paired_devices_failed:
- hdev->ll_driver->close(hdev);
+ hid_hw_close(hdev);
llopen_failed:
switch_to_dj_mode_fail:
@@ -871,7 +871,7 @@ static void logi_dj_remove(struct hid_device *hdev)
cancel_work_sync(&djrcv_dev->work);
- hdev->ll_driver->close(hdev);
+ hid_hw_close(hdev);
hid_hw_stop(hdev);
/* I suppose that at this point the only context that can access
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index a32f5a24b27..3b43d1cfa93 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -484,7 +484,7 @@ static int magicmouse_probe(struct hid_device *hdev,
struct hid_report *report;
int ret;
- msc = kzalloc(sizeof(*msc), GFP_KERNEL);
+ msc = devm_kzalloc(&hdev->dev, sizeof(*msc), GFP_KERNEL);
if (msc == NULL) {
hid_err(hdev, "can't alloc magicmouse descriptor\n");
return -ENOMEM;
@@ -498,13 +498,13 @@ static int magicmouse_probe(struct hid_device *hdev,
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "magicmouse hid parse failed\n");
- goto err_free;
+ return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "magicmouse hw start failed\n");
- goto err_free;
+ return ret;
}
if (!msc->input) {
@@ -548,19 +548,9 @@ static int magicmouse_probe(struct hid_device *hdev,
return 0;
err_stop_hw:
hid_hw_stop(hdev);
-err_free:
- kfree(msc);
return ret;
}
-static void magicmouse_remove(struct hid_device *hdev)
-{
- struct magicmouse_sc *msc = hid_get_drvdata(hdev);
-
- hid_hw_stop(hdev);
- kfree(msc);
-}
-
static const struct hid_device_id magic_mice[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 },
@@ -574,7 +564,6 @@ static struct hid_driver magicmouse_driver = {
.name = "magicmouse",
.id_table = magic_mice,
.probe = magicmouse_probe,
- .remove = magicmouse_remove,
.raw_event = magicmouse_raw_event,
.input_mapping = magicmouse_input_mapping,
.input_configured = magicmouse_input_configured,
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index cb0e361d7a4..ac28f08c386 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -133,6 +133,7 @@ static void mt_post_parse(struct mt_device *td);
#define MT_CLS_NSMU 0x000a
#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
#define MT_CLS_DUAL_CONTACT_ID 0x0011
+#define MT_CLS_WIN_8 0x0012
/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -205,6 +206,11 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_SLOT_IS_CONTACTID,
.maxcontacts = 2 },
+ { .name = MT_CLS_WIN_8,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_IGNORE_DUPLICATES |
+ MT_QUIRK_HOVERING |
+ MT_QUIRK_CONTACT_CNT_ACCURATE },
/*
* vendor specific classes
@@ -261,17 +267,6 @@ static struct mt_class mt_classes[] = {
{ }
};
-static void mt_free_input_name(struct hid_input *hi)
-{
- struct hid_device *hdev = hi->report->device;
- const char *name = hi->input->name;
-
- if (name != hdev->name) {
- hi->input->name = hdev->name;
- kfree(name);
- }
-}
-
static ssize_t mt_show_quirks(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -343,19 +338,6 @@ static void mt_feature_mapping(struct hid_device *hdev,
td->maxcontacts = td->mtclass.maxcontacts;
break;
- case 0xff0000c5:
- if (field->report_count == 256 && field->report_size == 8) {
- /* Win 8 devices need special quirks */
- __s32 *quirks = &td->mtclass.quirks;
- *quirks |= MT_QUIRK_ALWAYS_VALID;
- *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
- *quirks |= MT_QUIRK_HOVERING;
- *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
- *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
- *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
- *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
- }
- break;
}
}
@@ -415,13 +397,6 @@ static void mt_pen_report(struct hid_device *hid, struct hid_report *report)
static void mt_pen_input_configured(struct hid_device *hdev,
struct hid_input *hi)
{
- char *name = kzalloc(strlen(hi->input->name) + 5, GFP_KERNEL);
- if (name) {
- sprintf(name, "%s Pen", hi->input->name);
- mt_free_input_name(hi);
- hi->input->name = name;
- }
-
/* force BTN_STYLUS to allow tablet matching in udev */
__set_bit(BTN_STYLUS, hi->input->keybit);
}
@@ -928,16 +903,26 @@ static void mt_post_parse(struct mt_device *td)
static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
struct mt_device *td = hid_get_drvdata(hdev);
- char *name = kstrdup(hdev->name, GFP_KERNEL);
-
- if (name)
- hi->input->name = name;
+ char *name;
+ const char *suffix = NULL;
if (hi->report->id == td->mt_report_id)
mt_touch_input_configured(hdev, hi);
- if (hi->report->id == td->pen_report_id)
+ if (hi->report->field[0]->physical == HID_DG_STYLUS) {
+ suffix = "Pen";
mt_pen_input_configured(hdev, hi);
+ }
+
+ if (suffix) {
+ name = devm_kzalloc(&hi->input->dev,
+ strlen(hdev->name) + strlen(suffix) + 2,
+ GFP_KERNEL);
+ if (name) {
+ sprintf(name, "%s %s", hdev->name, suffix);
+ hi->input->name = name;
+ }
+ }
}
static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
@@ -945,7 +930,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
int ret, i;
struct mt_device *td;
struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
- struct hid_input *hi;
for (i = 0; mt_classes[i].name ; i++) {
if (id->driver_data == mt_classes[i].name) {
@@ -967,7 +951,19 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
- td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
+ /*
+ * Handle special quirks for Windows 8 certified devices.
+ */
+ if (id->group == HID_GROUP_MULTITOUCH_WIN_8)
+ /*
+ * Some multitouch screens do not like to be polled for input
+ * reports. Fortunately, the Win8 spec says that all touches
+ * should be sent during each report, making the initialization
+ * of input reports unnecessary.
+ */
+ hdev->quirks |= HID_QUIRK_NO_INIT_INPUT_REPORTS;
+
+ td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);
if (!td) {
dev_err(&hdev->dev, "cannot allocate multitouch data\n");
return -ENOMEM;
@@ -980,11 +976,11 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
td->pen_report_id = -1;
hid_set_drvdata(hdev, td);
- td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
+ td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
+ GFP_KERNEL);
if (!td->fields) {
dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
- ret = -ENOMEM;
- goto fail;
+ return -ENOMEM;
}
if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
@@ -992,29 +988,22 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_parse(hdev);
if (ret != 0)
- goto fail;
+ return ret;
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret)
- goto hid_fail;
+ return ret;
ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
mt_set_maxcontacts(hdev);
mt_set_input_mode(hdev);
- kfree(td->fields);
+ /* release .fields memory as it is not used anymore */
+ devm_kfree(&hdev->dev, td->fields);
td->fields = NULL;
return 0;
-
-hid_fail:
- list_for_each_entry(hi, &hdev->inputs, list)
- mt_free_input_name(hi);
-fail:
- kfree(td->fields);
- kfree(td);
- return ret;
}
#ifdef CONFIG_PM
@@ -1039,17 +1028,8 @@ static int mt_resume(struct hid_device *hdev)
static void mt_remove(struct hid_device *hdev)
{
- struct mt_device *td = hid_get_drvdata(hdev);
- struct hid_input *hi;
-
sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
- list_for_each_entry(hi, &hdev->inputs, list)
- mt_free_input_name(hi);
-
hid_hw_stop(hdev);
-
- kfree(td);
- hid_set_drvdata(hdev, NULL);
}
static const struct hid_device_id mt_devices[] = {
@@ -1371,6 +1351,11 @@ static const struct hid_device_id mt_devices[] = {
/* Generic MT device */
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
+
+ /* Generic Win 8 certified MT device */
+ { .driver_data = MT_CLS_WIN_8,
+ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH_WIN_8,
+ HID_ANY_ID, HID_ANY_ID) },
{ }
};
MODULE_DEVICE_TABLE(hid, mt_devices);
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 87fbe2924cf..30dbb6b40bb 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -624,7 +624,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct sony_sc *sc;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
- sc = kzalloc(sizeof(*sc), GFP_KERNEL);
+ sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
if (sc == NULL) {
hid_err(hdev, "can't alloc sony descriptor\n");
return -ENOMEM;
@@ -636,7 +636,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
if (sc->quirks & VAIO_RDESC_CONSTANT)
@@ -649,7 +649,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_hw_start(hdev, connect_mask);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
@@ -669,8 +669,6 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
return 0;
err_stop:
hid_hw_stop(hdev);
-err_free:
- kfree(sc);
return ret;
}
@@ -682,7 +680,6 @@ static void sony_remove(struct hid_device *hdev)
buzz_remove(hdev);
hid_hw_stop(hdev);
- kfree(sc);
}
static const struct hid_device_id sony_devices[] = {
diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 0c06054cab8..bd2bc4a1f37 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -212,10 +212,12 @@ static __u8 select_drm(struct wiimote_data *wdata)
if (ir == WIIPROTO_FLAG_IR_BASIC) {
if (wdata->state.flags & WIIPROTO_FLAG_ACCEL) {
- if (ext)
- return WIIPROTO_REQ_DRM_KAIE;
- else
- return WIIPROTO_REQ_DRM_KAI;
+ /* GEN10 and ealier devices bind IR formats to DRMs.
+ * Hence, we cannot use DRM_KAI here as it might be
+ * bound to IR_EXT. Use DRM_KAIE unconditionally so we
+ * work with all devices and our parsers can use the
+ * fixed formats, too. */
+ return WIIPROTO_REQ_DRM_KAIE;
} else {
return WIIPROTO_REQ_DRM_KIE;
}
@@ -439,8 +441,7 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
if (ret != 6)
return WIIMOTE_EXT_NONE;
- hid_dbg(wdata->hdev, "extension ID: %02x:%02x %02x:%02x %02x:%02x\n",
- rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
+ hid_dbg(wdata->hdev, "extension ID: %6phC\n", rmem);
if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
@@ -454,6 +455,12 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
return WIIMOTE_EXT_BALANCE_BOARD;
if (rmem[4] == 0x01 && rmem[5] == 0x20)
return WIIMOTE_EXT_PRO_CONTROLLER;
+ if (rmem[0] == 0x01 && rmem[1] == 0x00 &&
+ rmem[4] == 0x01 && rmem[5] == 0x03)
+ return WIIMOTE_EXT_GUITAR_HERO_DRUMS;
+ if (rmem[0] == 0x00 && rmem[1] == 0x00 &&
+ rmem[4] == 0x01 && rmem[5] == 0x03)
+ return WIIMOTE_EXT_GUITAR_HERO_GUITAR;
return WIIMOTE_EXT_UNKNOWN;
}
@@ -487,6 +494,8 @@ static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
/* map MP with correct pass-through mode */
switch (exttype) {
case WIIMOTE_EXT_CLASSIC_CONTROLLER:
+ case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
+ case WIIMOTE_EXT_GUITAR_HERO_GUITAR:
wmem = 0x07;
break;
case WIIMOTE_EXT_NUNCHUK:
@@ -510,14 +519,12 @@ static bool wiimote_cmd_read_mp(struct wiimote_data *wdata, __u8 *rmem)
if (ret != 6)
return false;
- hid_dbg(wdata->hdev, "motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
- rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
+ hid_dbg(wdata->hdev, "motion plus ID: %6phC\n", rmem);
if (rmem[5] == 0x05)
return true;
- hid_info(wdata->hdev, "unknown motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
- rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
+ hid_info(wdata->hdev, "unknown motion plus ID: %6phC\n", rmem);
return false;
}
@@ -533,8 +540,7 @@ static __u8 wiimote_cmd_read_mp_mapped(struct wiimote_data *wdata)
if (ret != 6)
return WIIMOTE_MP_NONE;
- hid_dbg(wdata->hdev, "mapped motion plus ID: %02x:%02x %02x:%02x %02x:%02x\n",
- rmem[0], rmem[1], rmem[2], rmem[3], rmem[4], rmem[5]);
+ hid_dbg(wdata->hdev, "mapped motion plus ID: %6phC\n", rmem);
if (rmem[0] == 0xff && rmem[1] == 0xff && rmem[2] == 0xff &&
rmem[3] == 0xff && rmem[4] == 0xff && rmem[5] == 0xff)
@@ -1077,6 +1083,8 @@ static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller",
[WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board",
[WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
+ [WIIMOTE_EXT_GUITAR_HERO_DRUMS] = "Nintendo Wii Guitar Hero Drums",
+ [WIIMOTE_EXT_GUITAR_HERO_GUITAR] = "Nintendo Wii Guitar Hero Guitar",
};
/*
@@ -1126,9 +1134,8 @@ static void wiimote_init_hotplug(struct wiimote_data *wdata)
wiimote_ext_unload(wdata);
if (exttype == WIIMOTE_EXT_UNKNOWN) {
- hid_info(wdata->hdev, "cannot detect extension; %02x:%02x %02x:%02x %02x:%02x\n",
- extdata[0], extdata[1], extdata[2],
- extdata[3], extdata[4], extdata[5]);
+ hid_info(wdata->hdev, "cannot detect extension; %6phC\n",
+ extdata);
} else if (exttype == WIIMOTE_EXT_NONE) {
spin_lock_irq(&wdata->state.lock);
wdata->state.exttype = WIIMOTE_EXT_NONE;
@@ -1663,6 +1670,10 @@ static ssize_t wiimote_ext_show(struct device *dev,
return sprintf(buf, "balanceboard\n");
case WIIMOTE_EXT_PRO_CONTROLLER:
return sprintf(buf, "procontroller\n");
+ case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
+ return sprintf(buf, "drums\n");
+ case WIIMOTE_EXT_GUITAR_HERO_GUITAR:
+ return sprintf(buf, "guitar\n");
case WIIMOTE_EXT_UNKNOWN:
/* fallthrough */
default:
diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c
index 2e7d644dba1..7e124c351e6 100644
--- a/drivers/hid/hid-wiimote-modules.c
+++ b/drivers/hid/hid-wiimote-modules.c
@@ -1834,6 +1834,396 @@ static const struct wiimod_ops wiimod_pro = {
};
/*
+ * Drums
+ * Guitar-Hero, Rock-Band and other games came bundled with drums which can
+ * be plugged as extension to a Wiimote. Drum-reports are still not entirely
+ * figured out, but the most important information is known.
+ * We create a separate device for drums and report all information via this
+ * input device.
+ */
+
+static inline void wiimod_drums_report_pressure(struct wiimote_data *wdata,
+ __u8 none, __u8 which,
+ __u8 pressure, __u8 onoff,
+ __u8 *store, __u16 code,
+ __u8 which_code)
+{
+ static const __u8 default_pressure = 3;
+
+ if (!none && which == which_code) {
+ *store = pressure;
+ input_report_abs(wdata->extension.input, code, *store);
+ } else if (onoff != !!*store) {
+ *store = onoff ? default_pressure : 0;
+ input_report_abs(wdata->extension.input, code, *store);
+ }
+}
+
+static void wiimod_drums_in_ext(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __u8 pressure, which, none, hhp, sx, sy;
+ __u8 o, r, y, g, b, bass, bm, bp;
+
+ /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:0> |
+ * 2 | 0 | 0 | SY <5:0> |
+ * -----+-----+-----+-----------------------------+-----+
+ * 3 | HPP | NON | WHICH <5:1> | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | ? | 1 | 1 | B- | 1 | B+ | 1 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | O | R | Y | G | B | BSS | 1 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * All buttons are 0 if pressed
+ *
+ * With Motion+ enabled, the following bits will get invalid:
+ * Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:1> |XXXXX|
+ * 2 | 0 | 0 | SY <5:1> |XXXXX|
+ * -----+-----+-----+-----------------------------+-----+
+ * 3 | HPP | NON | WHICH <5:1> | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | ? | 1 | 1 | B- | 1 | B+ | 1 |XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | O | R | Y | G | B | BSS |XXXXX|XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ */
+
+ pressure = 7 - (ext[3] >> 5);
+ which = (ext[2] >> 1) & 0x1f;
+ none = !!(ext[2] & 0x40);
+ hhp = !(ext[2] & 0x80);
+ sx = ext[0] & 0x3f;
+ sy = ext[1] & 0x3f;
+ o = !(ext[5] & 0x80);
+ r = !(ext[5] & 0x40);
+ y = !(ext[5] & 0x20);
+ g = !(ext[5] & 0x10);
+ b = !(ext[5] & 0x08);
+ bass = !(ext[5] & 0x04);
+ bm = !(ext[4] & 0x10);
+ bp = !(ext[4] & 0x04);
+
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ o, &wdata->state.pressure_drums[0],
+ ABS_CYMBAL_RIGHT, 0x0e);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ r, &wdata->state.pressure_drums[1],
+ ABS_TOM_LEFT, 0x19);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ y, &wdata->state.pressure_drums[2],
+ ABS_CYMBAL_LEFT, 0x11);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ g, &wdata->state.pressure_drums[3],
+ ABS_TOM_FAR_RIGHT, 0x12);
+ wiimod_drums_report_pressure(wdata, none, which, pressure,
+ b, &wdata->state.pressure_drums[4],
+ ABS_TOM_RIGHT, 0x0f);
+
+ /* Bass shares pressure with hi-hat (set via hhp) */
+ wiimod_drums_report_pressure(wdata, none, hhp ? 0xff : which, pressure,
+ bass, &wdata->state.pressure_drums[5],
+ ABS_BASS, 0x1b);
+ /* Hi-hat has no on/off values, just pressure. Force to off/0. */
+ wiimod_drums_report_pressure(wdata, none, hhp ? which : 0xff, pressure,
+ 0, &wdata->state.pressure_drums[6],
+ ABS_HI_HAT, 0x0e);
+
+ input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
+ input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
+
+ input_report_key(wdata->extension.input, BTN_START, bp);
+ input_report_key(wdata->extension.input, BTN_SELECT, bm);
+
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_drums_open(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_drums_close(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static int wiimod_drums_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->extension.input = input_allocate_device();
+ if (!wdata->extension.input)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->extension.input, wdata);
+ wdata->extension.input->open = wiimod_drums_open;
+ wdata->extension.input->close = wiimod_drums_close;
+ wdata->extension.input->dev.parent = &wdata->hdev->dev;
+ wdata->extension.input->id.bustype = wdata->hdev->bus;
+ wdata->extension.input->id.vendor = wdata->hdev->vendor;
+ wdata->extension.input->id.product = wdata->hdev->product;
+ wdata->extension.input->id.version = wdata->hdev->version;
+ wdata->extension.input->name = WIIMOTE_NAME " Drums";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ set_bit(BTN_START, wdata->extension.input->keybit);
+ set_bit(BTN_SELECT, wdata->extension.input->keybit);
+
+ set_bit(EV_ABS, wdata->extension.input->evbit);
+ set_bit(ABS_X, wdata->extension.input->absbit);
+ set_bit(ABS_Y, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_LEFT, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_TOM_FAR_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_CYMBAL_LEFT, wdata->extension.input->absbit);
+ set_bit(ABS_CYMBAL_RIGHT, wdata->extension.input->absbit);
+ set_bit(ABS_BASS, wdata->extension.input->absbit);
+ set_bit(ABS_HI_HAT, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_X, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_Y, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_LEFT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_TOM_FAR_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_CYMBAL_LEFT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_CYMBAL_RIGHT, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_BASS, 0, 7, 0, 0);
+ input_set_abs_params(wdata->extension.input,
+ ABS_HI_HAT, 0, 7, 0, 0);
+
+ ret = input_register_device(wdata->extension.input);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ input_free_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+ return ret;
+}
+
+static void wiimod_drums_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->extension.input)
+ return;
+
+ input_unregister_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+}
+
+static const struct wiimod_ops wiimod_drums = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_drums_probe,
+ .remove = wiimod_drums_remove,
+ .in_ext = wiimod_drums_in_ext,
+};
+
+/*
+ * Guitar
+ * Guitar-Hero, Rock-Band and other games came bundled with guitars which can
+ * be plugged as extension to a Wiimote.
+ * We create a separate device for guitars and report all information via this
+ * input device.
+ */
+
+static void wiimod_guitar_in_ext(struct wiimote_data *wdata, const __u8 *ext)
+{
+ __u8 sx, sy, tb, wb, bd, bm, bp, bo, br, bb, bg, by, bu;
+
+ /* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:0> |
+ * 2 | 0 | 0 | SY <5:0> |
+ * -----+-----+-----+-----+-----------------------------+
+ * 3 | 0 | 0 | 0 | TB <4:0> |
+ * -----+-----+-----+-----+-----------------------------+
+ * 4 | 0 | 0 | 0 | WB <4:0> |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | 1 | BD | 1 | B- | 1 | B+ | 1 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | BO | BR | BB | BG | BY | 1 | 1 | BU |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * All buttons are 0 if pressed
+ *
+ * With Motion+ enabled, the following bits will get invalid:
+ * Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 1 | 0 | 0 | SX <5:1> |XXXXX|
+ * 2 | 0 | 0 | SY <5:1> |XXXXX|
+ * -----+-----+-----+-----+-----------------------+-----+
+ * 3 | 0 | 0 | 0 | TB <4:0> |
+ * -----+-----+-----+-----+-----------------------------+
+ * 4 | 0 | 0 | 0 | WB <4:0> |
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 5 | 1 | BD | 1 | B- | 1 | B+ | 1 |XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ * 6 | BO | BR | BB | BG | BY | 1 |XXXXX|XXXXX|
+ * -----+-----+-----+-----+-----+-----+-----+-----+-----+
+ */
+
+ sx = ext[0] & 0x3f;
+ sy = ext[1] & 0x3f;
+ tb = ext[2] & 0x1f;
+ wb = ext[3] & 0x1f;
+ bd = !(ext[4] & 0x40);
+ bm = !(ext[4] & 0x10);
+ bp = !(ext[4] & 0x04);
+ bo = !(ext[5] & 0x80);
+ br = !(ext[5] & 0x40);
+ bb = !(ext[5] & 0x20);
+ bg = !(ext[5] & 0x10);
+ by = !(ext[5] & 0x08);
+ bu = !(ext[5] & 0x01);
+
+ input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
+ input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
+ input_report_abs(wdata->extension.input, ABS_FRET_BOARD, tb);
+ input_report_abs(wdata->extension.input, ABS_WHAMMY_BAR, wb - 0x10);
+
+ input_report_key(wdata->extension.input, BTN_MODE, bm);
+ input_report_key(wdata->extension.input, BTN_START, bp);
+ input_report_key(wdata->extension.input, BTN_STRUM_BAR_UP, bu);
+ input_report_key(wdata->extension.input, BTN_STRUM_BAR_DOWN, bd);
+ input_report_key(wdata->extension.input, BTN_FRET_FAR_UP, bg);
+ input_report_key(wdata->extension.input, BTN_FRET_UP, br);
+ input_report_key(wdata->extension.input, BTN_FRET_MID, by);
+ input_report_key(wdata->extension.input, BTN_FRET_LOW, bb);
+ input_report_key(wdata->extension.input, BTN_FRET_FAR_LOW, bo);
+
+ input_sync(wdata->extension.input);
+}
+
+static int wiimod_guitar_open(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+
+ return 0;
+}
+
+static void wiimod_guitar_close(struct input_dev *dev)
+{
+ struct wiimote_data *wdata = input_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&wdata->state.lock, flags);
+ wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
+ wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
+ spin_unlock_irqrestore(&wdata->state.lock, flags);
+}
+
+static int wiimod_guitar_probe(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ int ret;
+
+ wdata->extension.input = input_allocate_device();
+ if (!wdata->extension.input)
+ return -ENOMEM;
+
+ input_set_drvdata(wdata->extension.input, wdata);
+ wdata->extension.input->open = wiimod_guitar_open;
+ wdata->extension.input->close = wiimod_guitar_close;
+ wdata->extension.input->dev.parent = &wdata->hdev->dev;
+ wdata->extension.input->id.bustype = wdata->hdev->bus;
+ wdata->extension.input->id.vendor = wdata->hdev->vendor;
+ wdata->extension.input->id.product = wdata->hdev->product;
+ wdata->extension.input->id.version = wdata->hdev->version;
+ wdata->extension.input->name = WIIMOTE_NAME " Guitar";
+
+ set_bit(EV_KEY, wdata->extension.input->evbit);
+ set_bit(BTN_MODE, wdata->extension.input->keybit);
+ set_bit(BTN_START, wdata->extension.input->keybit);
+ set_bit(BTN_FRET_FAR_UP, wdata->extension.input->keybit);
+ set_bit(BTN_FRET_UP, wdata->extension.input->keybit);
+ set_bit(BTN_FRET_MID, wdata->extension.input->keybit);
+ set_bit(BTN_FRET_LOW, wdata->extension.input->keybit);
+ set_bit(BTN_FRET_FAR_LOW, wdata->extension.input->keybit);
+ set_bit(BTN_STRUM_BAR_UP, wdata->extension.input->keybit);
+ set_bit(BTN_STRUM_BAR_DOWN, wdata->extension.input->keybit);
+
+ set_bit(EV_ABS, wdata->extension.input->evbit);
+ set_bit(ABS_X, wdata->extension.input->absbit);
+ set_bit(ABS_Y, wdata->extension.input->absbit);
+ set_bit(ABS_FRET_BOARD, wdata->extension.input->absbit);
+ set_bit(ABS_WHAMMY_BAR, wdata->extension.input->absbit);
+ input_set_abs_params(wdata->extension.input,
+ ABS_X, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_Y, -32, 31, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_FRET_BOARD, 0, 0x1f, 1, 1);
+ input_set_abs_params(wdata->extension.input,
+ ABS_WHAMMY_BAR, 0, 0x0f, 1, 1);
+
+ ret = input_register_device(wdata->extension.input);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ input_free_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+ return ret;
+}
+
+static void wiimod_guitar_remove(const struct wiimod_ops *ops,
+ struct wiimote_data *wdata)
+{
+ if (!wdata->extension.input)
+ return;
+
+ input_unregister_device(wdata->extension.input);
+ wdata->extension.input = NULL;
+}
+
+static const struct wiimod_ops wiimod_guitar = {
+ .flags = 0,
+ .arg = 0,
+ .probe = wiimod_guitar_probe,
+ .remove = wiimod_guitar_remove,
+ .in_ext = wiimod_guitar_in_ext,
+};
+
+/*
* Builtin Motion Plus
* This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which
* disables polling for Motion-Plus. This should be set only for devices which
@@ -2083,4 +2473,6 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic,
[WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard,
[WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro,
+ [WIIMOTE_EXT_GUITAR_HERO_DRUMS] = &wiimod_drums,
+ [WIIMOTE_EXT_GUITAR_HERO_GUITAR] = &wiimod_guitar,
};
diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h
index f1474f372c0..379cdfb6bd2 100644
--- a/drivers/hid/hid-wiimote.h
+++ b/drivers/hid/hid-wiimote.h
@@ -88,6 +88,8 @@ enum wiimote_exttype {
WIIMOTE_EXT_CLASSIC_CONTROLLER,
WIIMOTE_EXT_BALANCE_BOARD,
WIIMOTE_EXT_PRO_CONTROLLER,
+ WIIMOTE_EXT_GUITAR_HERO_DRUMS,
+ WIIMOTE_EXT_GUITAR_HERO_GUITAR,
WIIMOTE_EXT_NUM,
};
@@ -135,6 +137,7 @@ struct wiimote_state {
/* calibration data */
__u16 calib_bboard[4][3];
+ __u8 pressure_drums[7];
};
struct wiimote_data {
diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c
index e4cddeccd6b..1a660bd97ab 100644
--- a/drivers/hid/hid-zydacron.c
+++ b/drivers/hid/hid-zydacron.c
@@ -169,7 +169,7 @@ static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
int ret;
struct zc_device *zc;
- zc = kzalloc(sizeof(*zc), GFP_KERNEL);
+ zc = devm_kzalloc(&hdev->dev, sizeof(*zc), GFP_KERNEL);
if (zc == NULL) {
hid_err(hdev, "can't alloc descriptor\n");
return -ENOMEM;
@@ -180,28 +180,16 @@ static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
- goto err_free;
+ return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
- goto err_free;
+ return ret;
}
return 0;
-err_free:
- kfree(zc);
-
- return ret;
-}
-
-static void zc_remove(struct hid_device *hdev)
-{
- struct zc_device *zc = hid_get_drvdata(hdev);
-
- hid_hw_stop(hdev);
- kfree(zc);
}
static const struct hid_device_id zc_devices[] = {
@@ -217,7 +205,6 @@ static struct hid_driver zc_driver = {
.input_mapping = zc_input_mapping,
.raw_event = zc_raw_event,
.probe = zc_probe,
- .remove = zc_remove,
};
module_hid_driver(zc_driver);
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 3cb7d966da9..c1336193b04 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -35,6 +35,7 @@
#include <linux/hid.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
+#include <linux/of.h>
#include <linux/i2c/i2c-hid.h>
@@ -756,29 +757,6 @@ static int i2c_hid_power(struct hid_device *hid, int lvl)
return ret;
}
-static int i2c_hid_hidinput_input_event(struct input_dev *dev,
- unsigned int type, unsigned int code, int value)
-{
- struct hid_device *hid = input_get_drvdata(dev);
- struct hid_field *field;
- int offset;
-
- if (type == EV_FF)
- return input_ff_event(dev, type, code, value);
-
- if (type != EV_LED)
- return -1;
-
- offset = hidinput_find_field(hid, type, code, &field);
-
- if (offset == -1) {
- hid_warn(dev, "event field not found\n");
- return -1;
- }
-
- return hid_set_field(field, offset, value);
-}
-
static struct hid_ll_driver i2c_hid_ll_driver = {
.parse = i2c_hid_parse,
.start = i2c_hid_start,
@@ -787,7 +765,6 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
.close = i2c_hid_close,
.power = i2c_hid_power,
.request = i2c_hid_request,
- .hidinput_input_event = i2c_hid_hidinput_input_event,
};
static int i2c_hid_init_irq(struct i2c_client *client)
@@ -897,8 +874,9 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client,
params[1].integer.value = 1;
params[2].type = ACPI_TYPE_INTEGER;
params[2].integer.value = 1; /* HID function */
- params[3].type = ACPI_TYPE_INTEGER;
- params[3].integer.value = 0;
+ params[3].type = ACPI_TYPE_PACKAGE;
+ params[3].package.count = 0;
+ params[3].package.elements = NULL;
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DSM", &input, &buf))) {
dev_err(&client->dev, "device _DSM execution failed\n");
@@ -933,6 +911,42 @@ static inline int i2c_hid_acpi_pdata(struct i2c_client *client,
}
#endif
+#ifdef CONFIG_OF
+static int i2c_hid_of_probe(struct i2c_client *client,
+ struct i2c_hid_platform_data *pdata)
+{
+ struct device *dev = &client->dev;
+ u32 val;
+ int ret;
+
+ ret = of_property_read_u32(dev->of_node, "hid-descr-addr", &val);
+ if (ret) {
+ dev_err(&client->dev, "HID register address not provided\n");
+ return -ENODEV;
+ }
+ if (val >> 16) {
+ dev_err(&client->dev, "Bad HID register address: 0x%08x\n",
+ val);
+ return -EINVAL;
+ }
+ pdata->hid_descriptor_address = val;
+
+ return 0;
+}
+
+static const struct of_device_id i2c_hid_of_match[] = {
+ { .compatible = "hid-over-i2c" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, i2c_hid_of_match);
+#else
+static inline int i2c_hid_of_probe(struct i2c_client *client,
+ struct i2c_hid_platform_data *pdata)
+{
+ return -ENODEV;
+}
+#endif
+
static int i2c_hid_probe(struct i2c_client *client,
const struct i2c_device_id *dev_id)
{
@@ -954,7 +968,11 @@ static int i2c_hid_probe(struct i2c_client *client,
if (!ihid)
return -ENOMEM;
- if (!platform_data) {
+ if (client->dev.of_node) {
+ ret = i2c_hid_of_probe(client, &ihid->pdata);
+ if (ret)
+ goto err;
+ } else if (!platform_data) {
ret = i2c_hid_acpi_pdata(client, &ihid->pdata);
if (ret) {
dev_err(&client->dev,
@@ -1095,6 +1113,7 @@ static struct i2c_driver i2c_hid_driver = {
.owner = THIS_MODULE,
.pm = &i2c_hid_pm,
.acpi_match_table = ACPI_PTR(i2c_hid_acpi_match),
+ .of_match_table = of_match_ptr(i2c_hid_of_match),
},
.probe = i2c_hid_probe,
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 9ab7dfc6c72..5bf2fb78584 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -116,30 +116,6 @@ static void uhid_hid_close(struct hid_device *hid)
uhid_queue_event(uhid, UHID_CLOSE);
}
-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;
-
- ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
- if (!ev)
- return -ENOMEM;
-
- 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 uhid_hid_parse(struct hid_device *hid)
{
struct uhid_device *uhid = hid->driver_data;
@@ -273,7 +249,6 @@ static struct hid_ll_driver uhid_hid_driver = {
.stop = uhid_hid_stop,
.open = uhid_hid_open,
.close = uhid_hid_close,
- .hidinput_input_event = uhid_hid_input,
.parse = uhid_hid_parse,
};
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index ada164e1b3a..44df131d390 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -648,62 +648,6 @@ static void usbhid_submit_report(struct hid_device *hid, struct hid_report *repo
spin_unlock_irqrestore(&usbhid->lock, flags);
}
-/* Workqueue routine to send requests to change LEDs */
-static void hid_led(struct work_struct *work)
-{
- struct usbhid_device *usbhid =
- container_of(work, struct usbhid_device, led_work);
- struct hid_device *hid = usbhid->hid;
- struct hid_field *field;
- unsigned long flags;
-
- field = hidinput_get_led_field(hid);
- if (!field) {
- hid_warn(hid, "LED event field not found\n");
- return;
- }
-
- spin_lock_irqsave(&usbhid->lock, flags);
- if (!test_bit(HID_DISCONNECTED, &usbhid->iofl)) {
- usbhid->ledcount = hidinput_count_leds(hid);
- hid_dbg(usbhid->hid, "New ledcount = %u\n", usbhid->ledcount);
- __usbhid_submit_report(hid, field->report, USB_DIR_OUT);
- }
- spin_unlock_irqrestore(&usbhid->lock, flags);
-}
-
-static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
-{
- struct hid_device *hid = input_get_drvdata(dev);
- struct usbhid_device *usbhid = hid->driver_data;
- struct hid_field *field;
- unsigned long flags;
- int offset;
-
- if (type == EV_FF)
- return input_ff_event(dev, type, code, value);
-
- if (type != EV_LED)
- return -1;
-
- if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
- hid_warn(dev, "event field not found\n");
- return -1;
- }
-
- spin_lock_irqsave(&usbhid->lock, flags);
- hid_set_field(field, offset, value);
- spin_unlock_irqrestore(&usbhid->lock, flags);
-
- /*
- * Defer performing requested LED action.
- * This is more likely gather all LED changes into a single URB.
- */
- schedule_work(&usbhid->led_work);
-
- return 0;
-}
-
static int usbhid_wait_io(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
@@ -806,12 +750,17 @@ void usbhid_init_reports(struct hid_device *hid)
{
struct hid_report *report;
struct usbhid_device *usbhid = hid->driver_data;
+ struct hid_report_enum *report_enum;
int err, ret;
- list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
- usbhid_submit_report(hid, report, USB_DIR_IN);
+ if (!(hid->quirks & HID_QUIRK_NO_INIT_INPUT_REPORTS)) {
+ report_enum = &hid->report_enum[HID_INPUT_REPORT];
+ list_for_each_entry(report, &report_enum->report_list, list)
+ usbhid_submit_report(hid, report, USB_DIR_IN);
+ }
- list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
+ report_enum = &hid->report_enum[HID_FEATURE_REPORT];
+ list_for_each_entry(report, &report_enum->report_list, list)
usbhid_submit_report(hid, report, USB_DIR_IN);
err = 0;
@@ -856,7 +805,7 @@ static int hid_find_field_early(struct hid_device *hid, unsigned int page,
return -1;
}
-void usbhid_set_leds(struct hid_device *hid)
+static void usbhid_set_leds(struct hid_device *hid)
{
struct hid_field *field;
int offset;
@@ -866,7 +815,6 @@ void usbhid_set_leds(struct hid_device *hid)
usbhid_submit_report(hid, field->report, USB_DIR_OUT);
}
}
-EXPORT_SYMBOL_GPL(usbhid_set_leds);
/*
* Traverse the supplied list of reports and find the longest
@@ -1273,7 +1221,6 @@ static struct hid_ll_driver usb_hid_driver = {
.open = usbhid_open,
.close = usbhid_close,
.power = usbhid_power,
- .hidinput_input_event = usb_hidinput_input_event,
.request = usbhid_request,
.wait = usbhid_wait_io,
.idle = usbhid_idle,
@@ -1367,8 +1314,6 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
spin_lock_init(&usbhid->lock);
- INIT_WORK(&usbhid->led_work, hid_led);
-
ret = hid_add_device(hid);
if (ret) {
if (ret != -ENODEV)
@@ -1401,7 +1346,6 @@ static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid)
{
del_timer_sync(&usbhid->io_retry);
cancel_work_sync(&usbhid->reset_work);
- cancel_work_sync(&usbhid->led_work);
}
static void hid_cease_io(struct usbhid_device *usbhid)
@@ -1521,15 +1465,17 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
struct usbhid_device *usbhid = hid->driver_data;
int status = 0;
bool driver_suspended = false;
+ unsigned int ledcount;
if (PMSG_IS_AUTO(message)) {
+ ledcount = hidinput_count_leds(hid);
spin_lock_irq(&usbhid->lock); /* Sync with error handler */
if (!test_bit(HID_RESET_PENDING, &usbhid->iofl)
&& !test_bit(HID_CLEAR_HALT, &usbhid->iofl)
&& !test_bit(HID_OUT_RUNNING, &usbhid->iofl)
&& !test_bit(HID_CTRL_RUNNING, &usbhid->iofl)
&& !test_bit(HID_KEYS_PRESSED, &usbhid->iofl)
- && (!usbhid->ledcount || ignoreled))
+ && (!ledcount || ignoreled))
{
set_bit(HID_SUSPENDED, &usbhid->iofl);
spin_unlock_irq(&usbhid->lock);
diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
index dbb6af69913..f633c24ce28 100644
--- a/drivers/hid/usbhid/usbhid.h
+++ b/drivers/hid/usbhid/usbhid.h
@@ -92,9 +92,6 @@ struct usbhid_device {
unsigned int retry_delay; /* Delay length in ms */
struct work_struct reset_work; /* Task context for resets */
wait_queue_head_t wait; /* For sleeping */
- int ledcount; /* counting the number of active leds */
-
- struct work_struct led_work; /* Task context for setting LEDs */
};
#define hid_to_usb_dev(hid_dev) \
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 02:01:33 +0000