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HID: samsung: Add Samsung wireless bookcover and universal keyboard s…
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…upport

Add support for samsung wireless bookcover and universal keyboard with input
mapping events.

Device a005 (Samsung wireless bookcover keyboard).
Device a006 (Samsung wireless universal keyboard).
Device a064 (Samsung wireless multi hogp keyboard).

Signed-off-by: Sandeep C S <sandeep.cs@samsung.com>
Signed-off-by: Junwan Cho <junwan.cho@samsung.com>
Signed-off-by: Jitender Sajwan <jitender.s21@samsung.com>
Signed-off-by: Gwangho Lee <gaudium.lee@samsung.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Sandeep C S authored and Jiri Kosina committed Jan 25, 2024
1 parent 46e779b commit e729004
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Showing 2 changed files with 134 additions and 0 deletions.
3 changes: 3 additions & 0 deletions drivers/hid/hid-ids.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1149,6 +1149,9 @@
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD 0x7021
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_GAMEPAD 0xa000
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE 0xa004
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_BOOKCOVER 0xa005
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_UNIVERSAL_KBD 0xa006
#define USB_DEVICE_ID_SAMSUNG_WIRELESS_MULTI_HOGP_KBD 0xa064

#define USB_VENDOR_ID_SEMICO 0x1a2c
#define USB_DEVICE_ID_SEMICO_USB_KEYKOARD 0x0023
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131 changes: 131 additions & 0 deletions drivers/hid/hid-samsung.c
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Original file line number Diff line number Diff line change
Expand Up @@ -346,6 +346,129 @@ static int samsung_actionmouse_input_mapping(struct hid_device *hdev,
return 1;
}

static int samsung_universal_kbd_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
if (!(HID_UP_CONSUMER == (usage->hid & HID_USAGE_PAGE) ||
HID_UP_KEYBOARD == (usage->hid & HID_USAGE_PAGE)))
return 0;

dbg_hid("samsung wireless keyboard input mapping event [0x%x]\n",
usage->hid & HID_USAGE);

if (HID_UP_KEYBOARD == (usage->hid & HID_USAGE_PAGE)) {
set_bit(EV_REP, hi->input->evbit);
switch (usage->hid & HID_USAGE) {
case 0x32:
samsung_kbd_mouse_map_key_clear(KEY_BACKSLASH);
break;
case 0x64:
samsung_kbd_mouse_map_key_clear(KEY_102ND);
break;
/* Only for BR keyboard */
case 0x87:
samsung_kbd_mouse_map_key_clear(KEY_RO);
break;
default:
return 0;
}
}

if (HID_UP_CONSUMER == (usage->hid & HID_USAGE_PAGE)) {
switch (usage->hid & HID_USAGE) {
/* report 2 */
/* MENU */
case 0x040:
samsung_kbd_mouse_map_key_clear(KEY_MENU);
break;
case 0x18a:
samsung_kbd_mouse_map_key_clear(KEY_MAIL);
break;
case 0x196:
samsung_kbd_mouse_map_key_clear(KEY_WWW);
break;
case 0x19e:
samsung_kbd_mouse_map_key_clear(KEY_SCREENLOCK);
break;
case 0x221:
samsung_kbd_mouse_map_key_clear(KEY_SEARCH);
break;
case 0x223:
samsung_kbd_mouse_map_key_clear(KEY_HOMEPAGE);
break;
/* RECENTAPPS */
case 0x301:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY1);
break;
/* APPLICATION */
case 0x302:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY2);
break;
/* Voice search */
case 0x305:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY4);
break;
/* QPANEL on/off */
case 0x306:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY5);
break;
/* SIP on/off */
case 0x307:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY3);
break;
/* LANG */
case 0x308:
samsung_kbd_mouse_map_key_clear(KEY_LANGUAGE);
break;
case 0x30a:
samsung_kbd_mouse_map_key_clear(KEY_BRIGHTNESSDOWN);
break;
case 0x070:
samsung_kbd_mouse_map_key_clear(KEY_BRIGHTNESSDOWN);
break;
case 0x30b:
samsung_kbd_mouse_map_key_clear(KEY_BRIGHTNESSUP);
break;
case 0x06f:
samsung_kbd_mouse_map_key_clear(KEY_BRIGHTNESSUP);
break;
/* S-Finder */
case 0x304:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY7);
break;
/* Screen Capture */
case 0x303:
samsung_kbd_mouse_map_key_clear(KEY_SYSRQ);
break;
/* Multi Window */
case 0x309:
samsung_kbd_mouse_map_key_clear(BTN_TRIGGER_HAPPY9);
break;
/* HotKey App 1 */
case 0x071:
samsung_kbd_mouse_map_key_clear(0x2f5);
break;
/* HotKey App 2 */
case 0x072:
samsung_kbd_mouse_map_key_clear(0x2f6);
break;
/* HotKey App 3 */
case 0x073:
samsung_kbd_mouse_map_key_clear(0x2f7);
break;
/* Dex */
case 0x06e:
samsung_kbd_mouse_map_key_clear(0x2bd);
break;
default:
return 0;
}
}

return 1;
}

static __u8 *samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
Expand All @@ -372,6 +495,12 @@ static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE)
ret = samsung_actionmouse_input_mapping(hdev,
hi, field, usage, bit, max);
else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_UNIVERSAL_KBD)
ret = samsung_universal_kbd_input_mapping(hdev,
hi, field, usage, bit, max);
else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_MULTI_HOGP_KBD)
ret = samsung_universal_kbd_input_mapping(hdev,
hi, field, usage, bit, max);

return ret;
}
Expand Down Expand Up @@ -417,6 +546,8 @@ static const struct hid_device_id samsung_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_GAMEPAD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_UNIVERSAL_KBD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_MULTI_HOGP_KBD) },
{ }
};
MODULE_DEVICE_TABLE(hid, samsung_devices);
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