HID: samsung: Add Samsung wireless gamepad support

Add support for samsung wireless gamepad with input mapping events.

Device a000 (Samsung wireless gamepad)

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: Jiri Kosina <jkosina@suse.com>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index d7572ab5ea6c098c9e0a52ada6aa7cbb339d9992..8a106fd6b33968ff2f54521cb1a9ba451735b61d 100644 (file)
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1147,6 +1147,7 @@
 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE        0x0001
 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE       0x0600
 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD     0x7021
+#define USB_DEVICE_ID_SAMSUNG_WIRELESS_GAMEPAD 0xa000
 
 #define USB_VENDOR_ID_SEMICO                   0x1a2c
 #define USB_DEVICE_ID_SEMICO_USB_KEYKOARD      0x0023

diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index aa8e7805be7615d315564bed446c51a1223886bd..217b30b71bb8a7f4a302a0e63eade4b558314d68 100644 (file)
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -232,6 +232,97 @@ static int samsung_kbd_input_mapping(struct hid_device *hdev,
        return 1;
 }
 
+static int samsung_gamepad_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_BUTTON == (usage->hid & HID_USAGE_PAGE) ||
+                       HID_UP_CONSUMER == (usage->hid & HID_USAGE_PAGE)))
+               return 0;
+
+       dbg_hid("samsung wireless gamepad input mapping event [0x%x], %ld, %ld, [0x%x]\n",
+               usage->hid & HID_USAGE, hi->input->evbit[0], hi->input->absbit[0], usage->hid & HID_USAGE_PAGE);
+
+       if (HID_UP_BUTTON == (usage->hid & HID_USAGE_PAGE)) {
+               switch (usage->hid & HID_USAGE) {
+               case 0x01:
+                       samsung_kbd_mouse_map_key_clear(BTN_A);
+                       break;
+               case 0x02:
+                       samsung_kbd_mouse_map_key_clear(BTN_B);
+                       break;
+               case 0x03:
+                       samsung_kbd_mouse_map_key_clear(BTN_C);
+                       break;
+               case 0x04:
+                       samsung_kbd_mouse_map_key_clear(BTN_X);
+                       break;
+               case 0x05:
+                       samsung_kbd_mouse_map_key_clear(BTN_Y);
+                       break;
+               case 0x06:
+                       samsung_kbd_mouse_map_key_clear(BTN_Z);
+                       break;
+               case 0x07:
+                       samsung_kbd_mouse_map_key_clear(BTN_TL);
+                       break;
+               case 0x08:
+                       samsung_kbd_mouse_map_key_clear(BTN_TR);
+                       break;
+               case 0x09:
+                       samsung_kbd_mouse_map_key_clear(BTN_TL2);
+                       break;
+               case 0x0a:
+                       samsung_kbd_mouse_map_key_clear(BTN_TR2);
+                       break;
+               case 0x0b:
+                       samsung_kbd_mouse_map_key_clear(BTN_SELECT);
+                       break;
+               case 0x0c:
+                       samsung_kbd_mouse_map_key_clear(BTN_START);
+                       break;
+               case 0x0d:
+                       samsung_kbd_mouse_map_key_clear(BTN_MODE);
+                       break;
+               case 0x0e:
+                       samsung_kbd_mouse_map_key_clear(BTN_THUMBL);
+                       break;
+               case 0x0f:
+                       samsung_kbd_mouse_map_key_clear(BTN_THUMBR);
+                       break;
+               case 0x10:
+                       samsung_kbd_mouse_map_key_clear(0x13f);
+                       break;
+               default:
+                       return 0;
+               }
+       }
+
+       if (HID_UP_CONSUMER == (usage->hid & HID_USAGE_PAGE)) {
+               switch (usage->hid & HID_USAGE) {
+               case 0x040:
+                       samsung_kbd_mouse_map_key_clear(KEY_MENU);
+                       break;
+               case 0x223:
+                       samsung_kbd_mouse_map_key_clear(KEY_HOMEPAGE);
+                       break;
+               case 0x224:
+                       samsung_kbd_mouse_map_key_clear(KEY_BACK);
+                       break;
+
+               /* Screen Capture */
+               case 0x303:
+                       samsung_kbd_mouse_map_key_clear(KEY_SYSRQ);
+                       break;
+
+               default:
+                       return 0;
+               }
+       }
+
+       return 1;
+}
+
 static __u8 *samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
        unsigned int *rsize)
 {
@@ -252,6 +343,9 @@ static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
        else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD)
                ret = samsung_kbd_input_mapping(hdev,
                        hi, field, usage, bit, max);
+       else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_GAMEPAD)
+               ret = samsung_gamepad_input_mapping(hdev,
+                       hi, field, usage, bit, max);
 
        return ret;
 }
@@ -295,6 +389,7 @@ static const struct hid_device_id samsung_devices[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
        { 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) },
        { }
 };
 MODULE_DEVICE_TABLE(hid, samsung_devices);