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Message-Id: <20220710175043.192901-7-jose.exposito89@gmail.com>
Date: Sun, 10 Jul 2022 19:50:42 +0200
From: José Expósito <jose.exposito89@...il.com>
To: jikos@...nel.org
Cc: benjamin.tissoires@...hat.com, spbnick@...il.com,
j.witteveen@...il.com, stefanberzl@...il.com,
linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
kunit-dev@...glegroups.com,
José Expósito <jose.exposito89@...il.com>
Subject: [PATCH 6/7] HID: uclogic: Add support for UGEE v2 mouse frames
Add the required HID descriptors and the initialization function for
UGEE v2 frames with a mouse in the frame.
Tested-by: Jouke Witteveen <j.witteveen@...il.com>
Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
drivers/hid/hid-uclogic-params.c | 31 +++++++++++++++++++++++++++++
drivers/hid/hid-uclogic-rdesc.c | 34 ++++++++++++++++++++++++++++++++
drivers/hid/hid-uclogic-rdesc.h | 4 ++++
3 files changed, 69 insertions(+)
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 8ac7caeda535..f25c483b794b 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -1188,6 +1188,31 @@ static int uclogic_params_ugee_v2_init_frame_dial(struct uclogic_params *p,
return 0;
}
+/**
+ * uclogic_params_ugee_v2_init_frame_mouse() - initialize a UGEE v2 frame with a
+ * mouse.
+ * @p: Parameters to fill in, cannot be NULL.
+ *
+ * Returns:
+ * Zero, if successful. A negative errno code on error.
+ */
+static int uclogic_params_ugee_v2_init_frame_mouse(struct uclogic_params *p)
+{
+ int rc = 0;
+
+ if (!p)
+ return -EINVAL;
+
+ rc = uclogic_params_frame_init_with_desc(&p->frame_list[1],
+ uclogic_rdesc_ugee_v2_frame_mouse_template_arr,
+ uclogic_rdesc_ugee_v2_frame_dial_template_size,
+ UCLOGIC_RDESC_V1_FRAME_ID);
+ if (rc)
+ return rc;
+
+ return 0;
+}
+
/**
* uclogic_params_ugee_v2_init() - initialize a UGEE graphics tablets by
* discovering their parameters.
@@ -1231,6 +1256,12 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params,
iface = to_usb_interface(hdev->dev.parent);
bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
+
+ if (bInterfaceNumber == 0) {
+ uclogic_params_ugee_v2_init_frame_mouse(&p);
+ goto output;
+ }
+
if (bInterfaceNumber != 2) {
uclogic_params_init_invalid(&p);
goto output;
diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c
index 22429df693fc..fb9ca69f72c2 100644
--- a/drivers/hid/hid-uclogic-rdesc.c
+++ b/drivers/hid/hid-uclogic-rdesc.c
@@ -1001,6 +1001,40 @@ const __u8 uclogic_rdesc_ugee_v2_frame_dial_template_arr[] = {
const size_t uclogic_rdesc_ugee_v2_frame_dial_template_size =
sizeof(uclogic_rdesc_ugee_v2_frame_dial_template_arr);
+/* Fixed report descriptor template for UGEE v2 frame reports (mouse) */
+const __u8 uclogic_rdesc_ugee_v2_frame_mouse_template_arr[] = {
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x02, /* Usage (Mouse), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, 0x01, /* Report ID (1), */
+ 0x05, 0x01, /* Usage Page (Pointer), */
+ 0xA0, /* Collection (Physical), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x05, 0x09, /* Usage Page (Button), */
+ 0x19, 0x01, /* Usage Minimum (01h), */
+ 0x29, 0x02, /* Usage Maximum (02h), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x06, /* Report Count (6), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x01, /* Usage Page (Generic Desktop), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x75, 0x10, /* Report Size (16), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x16, 0x00, 0x80, /* Logical Minimum (-32768), */
+ 0x26, 0xFF, 0x7F, /* Logical Maximum (32767), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0xC0, /* End Collection, */
+ 0xC0 /* End Collection */
+};
+const size_t uclogic_rdesc_ugee_v2_frame_mouse_template_size =
+ sizeof(uclogic_rdesc_ugee_v2_frame_mouse_template_arr);
+
/* Fixed report descriptor for Ugee EX07 frame */
const __u8 uclogic_rdesc_ugee_ex07_frame_arr[] = {
0x05, 0x01, /* Usage Page (Desktop), */
diff --git a/drivers/hid/hid-uclogic-rdesc.h b/drivers/hid/hid-uclogic-rdesc.h
index 1a2d658bad3a..0502a0656496 100644
--- a/drivers/hid/hid-uclogic-rdesc.h
+++ b/drivers/hid/hid-uclogic-rdesc.h
@@ -173,6 +173,10 @@ extern const size_t uclogic_rdesc_ugee_v2_frame_btn_template_size;
extern const __u8 uclogic_rdesc_ugee_v2_frame_dial_template_arr[];
extern const size_t uclogic_rdesc_ugee_v2_frame_dial_template_size;
+/* Fixed report descriptor template for UGEE v2 frame reports (mouse) */
+extern const __u8 uclogic_rdesc_ugee_v2_frame_mouse_template_arr[];
+extern const size_t uclogic_rdesc_ugee_v2_frame_mouse_template_size;
+
/* Fixed report descriptor for Ugee EX07 frame */
extern const __u8 uclogic_rdesc_ugee_ex07_frame_arr[];
extern const size_t uclogic_rdesc_ugee_ex07_frame_size;
--
2.25.1
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