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From: Sandeep C S <sandeep.cs@samsung.com>
To: Jiri Kosina <jikos@kernel.org>, Benjamin Tissoires
	<benjamin.tissoires@redhat.com>
Cc: gaudium.lee@samsung.com, ih0923.kim@samsung.com,
	suhyun_.kim@samsung.com, jitender.s21@samsung.com, junwan.cho@samsung.com,
	sandeep.cs@samsung.com, linux-input@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [HID Patchsets for Samsung driver v4 5/6] HID: Samsung : Add
 Samsung wireless action mouse support.
Date: Thu, 25 Jan 2024 10:06:28 +0530
Message-Id: <20240125043630.4031634-6-sandeep.cs@samsung.com>
In-Reply-To: <20240125043630.4031634-1-sandeep.cs@samsung.com>
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References: <20240125043630.4031634-1-sandeep.cs@samsung.com>
	<CGME20240125043727epcas5p2cb925e28e453a870eaa0efa248942f0f@epcas5p2.samsung.com>

Add support for samsung wireless action mouse with input mapping events.

Device a004 (Samsung wireless action mouse)

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>
---
 drivers/hid/hid-ids.h     |  1 +
 drivers/hid/hid-samsung.c | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 8a106fd6b339..06bf718961da 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1148,6 +1148,7 @@
 #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_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE	0xa004
 
 #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 217b30b71bb8..0de23a70dddb 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -323,6 +323,29 @@ static int samsung_gamepad_input_mapping(struct hid_device *hdev,
 	return 1;
 }
 
+static int samsung_actionmouse_input_mapping(struct hid_device *hdev,
+	struct hid_input *hi, struct hid_field *field, struct hid_usage *usage,
+	unsigned long **bit, int *max)
+{
+
+	dbg_hid("samsung wireless actionmouse input mapping event [0x%x], [0x%x], %ld, %ld, [0x%x]\n",
+			usage->hid, usage->hid & HID_USAGE, hi->input->evbit[0], hi->input->absbit[0],
+			usage->hid & HID_USAGE_PAGE);
+
+	if (((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) && ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON))
+		return 0;
+
+	switch (usage->hid & HID_USAGE) {
+	case 0x301:
+		samsung_kbd_mouse_map_key_clear(254);
+		break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
 static __u8 *samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	unsigned int *rsize)
 {
@@ -346,6 +369,9 @@ static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_GAMEPAD)
 		ret = samsung_gamepad_input_mapping(hdev,
 			hi, field, usage, bit, max);
+	else if (hdev->product == USB_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE)
+		ret = samsung_actionmouse_input_mapping(hdev,
+			hi, field, usage, bit, max);
 
 	return ret;
 }
@@ -390,6 +416,7 @@ static const struct hid_device_id samsung_devices[] = {
 	{ 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) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS, USB_DEVICE_ID_SAMSUNG_WIRELESS_ACTIONMOUSE) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, samsung_devices);
-- 
2.34.1