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path: root/drivers/hid/hid-input.c
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Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c94
1 files changed, 84 insertions, 10 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 8edbd30cf795..dd332f28e08c 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -53,7 +53,7 @@ static const unsigned char hid_keyboard[256] = {
115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
- unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+ unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
@@ -86,6 +86,10 @@ static const struct {
#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0)
#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0)
+/* hardware needing special handling due to colliding MSVENDOR page usages */
+#define IS_CHICONY_TACTICAL_PAD(x) (x->vendor == 0x04f2 && device->product == 0x0418)
+#define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
+
#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
struct hidinput_key_translation {
@@ -295,7 +299,7 @@ static int hidinput_getkeycode(struct input_dev *dev, int scancode,
{
struct hid_device *hid = dev->private;
struct hid_usage *usage;
-
+
usage = hidinput_find_key(hid, scancode, 0);
if (usage) {
*keycode = usage->code;
@@ -310,15 +314,15 @@ static int hidinput_setkeycode(struct input_dev *dev, int scancode,
struct hid_device *hid = dev->private;
struct hid_usage *usage;
int old_keycode;
-
+
if (keycode < 0 || keycode > KEY_MAX)
return -EINVAL;
-
+
usage = hidinput_find_key(hid, scancode, 0);
if (usage) {
old_keycode = usage->code;
usage->code = keycode;
-
+
clear_bit(old_keycode, dev->keybit);
set_bit(usage->code, dev->keybit);
dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
@@ -326,10 +330,10 @@ static int hidinput_setkeycode(struct input_dev *dev, int scancode,
* by another key */
if (hidinput_find_key (hid, 0, old_keycode))
set_bit(old_keycode, dev->keybit);
-
+
return 0;
}
-
+
return -EINVAL;
}
@@ -351,6 +355,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
if (field->flags & HID_MAIN_ITEM_CONSTANT)
goto ignore;
+ /* only LED usages are supported in output fields */
+ if (field->report_type == HID_OUTPUT_REPORT &&
+ (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
+ dbg_hid_line(" [non-LED output field] ");
+ goto ignore;
+ }
+
switch (usage->hid & HID_USAGE_PAGE) {
case HID_UP_UNDEFINED:
@@ -595,6 +606,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case 0x0f6: map_key_clear(KEY_NEXT); break;
case 0x0fa: map_key_clear(KEY_BACK); break;
+ case 0x182: map_key_clear(KEY_BOOKMARKS); break;
case 0x183: map_key_clear(KEY_CONFIG); break;
case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
case 0x185: map_key_clear(KEY_EDITOR); break;
@@ -611,9 +623,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case 0x192: map_key_clear(KEY_CALC); break;
case 0x194: map_key_clear(KEY_FILE); break;
case 0x196: map_key_clear(KEY_WWW); break;
+ case 0x19c: map_key_clear(KEY_LOGOFF); break;
case 0x19e: map_key_clear(KEY_COFFEE); break;
case 0x1a6: map_key_clear(KEY_HELP); break;
case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
+ case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
+ case 0x1b6: map_key_clear(KEY_MEDIA); break;
+ case 0x1b7: map_key_clear(KEY_SOUND); break;
case 0x1bc: map_key_clear(KEY_MESSENGER); break;
case 0x1bd: map_key_clear(KEY_INFO); break;
case 0x201: map_key_clear(KEY_NEW); break;
@@ -720,8 +736,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case HID_UP_MSVENDOR:
- /* special case - Chicony Chicony KU-0418 tactical pad */
- if (device->vendor == 0x04f2 && device->product == 0x0418) {
+ /* Unfortunately, there are multiple devices which
+ * emit usages from MSVENDOR page that require different
+ * handling. If this list grows too much in the future,
+ * more general handling will have to be introduced here
+ * (i.e. another blacklist).
+ */
+
+ /* Chicony Chicony KU-0418 tactical pad */
+ if (IS_CHICONY_TACTICAL_PAD(device)) {
set_bit(EV_REP, input->evbit);
switch(usage->hid & HID_USAGE) {
case 0xff01: map_key_clear(BTN_1); break;
@@ -737,6 +760,26 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case 0xff0b: map_key_clear(BTN_B); break;
default: goto ignore;
}
+
+ /* Microsoft Natural Ergonomic Keyboard 4000 */
+ } else if (IS_MS_KB(device)) {
+ switch(usage->hid & HID_USAGE) {
+ case 0xfd06:
+ map_key_clear(KEY_CHAT);
+ break;
+ case 0xfd07:
+ map_key_clear(KEY_PHONE);
+ break;
+ case 0xff05:
+ set_bit(EV_REP, input->evbit);
+ map_key_clear(KEY_F13);
+ set_bit(KEY_F14, input->keybit);
+ set_bit(KEY_F15, input->keybit);
+ set_bit(KEY_F16, input->keybit);
+ set_bit(KEY_F17, input->keybit);
+ set_bit(KEY_F18, input->keybit);
+ default: goto ignore;
+ }
} else {
goto ignore;
}
@@ -888,6 +931,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
set_bit(KEY_VOLUMEDOWN, input->keybit);
}
+ if (usage->type == EV_KEY) {
+ set_bit(EV_MSC, input->evbit);
+ set_bit(MSC_SCAN, input->mscbit);
+ }
+
hid_resolv_event(usage->type, usage->code);
dbg_hid_line("\n");
@@ -902,7 +950,7 @@ ignore:
void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
{
struct input_dev *input;
- int *quirks = &hid->quirks;
+ unsigned *quirks = &hid->quirks;
if (!field->hidinput)
return;
@@ -991,6 +1039,29 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
return;
}
+ /* Handling MS keyboards special buttons */
+ if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
+ int key = 0;
+ static int last_key = 0;
+ switch (value) {
+ case 0x01: key = KEY_F14; break;
+ case 0x02: key = KEY_F15; break;
+ case 0x04: key = KEY_F16; break;
+ case 0x08: key = KEY_F17; break;
+ case 0x10: key = KEY_F18; break;
+ default: break;
+ }
+ if (key) {
+ input_event(input, usage->type, key, 1);
+ last_key = key;
+ } else {
+ input_event(input, usage->type, last_key, 0);
+ }
+ }
+ /* report the usage code as scancode if the key status has changed */
+ if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
+ input_event(input, EV_MSC, MSC_SCAN, usage->hid);
+
input_event(input, usage->type, usage->code, value);
if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
@@ -1051,6 +1122,9 @@ int hidinput_connect(struct hid_device *hid)
int i, j, k;
int max_report_type = HID_OUTPUT_REPORT;
+ if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT)
+ return -1;
+
INIT_LIST_HEAD(&hid->inputs);
for (i = 0; i < hid->maxcollection; i++)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 23:03:13 +0000