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Message-Id: <20220414110936.146378-5-jose.exposito89@gmail.com>
Date: Thu, 14 Apr 2022 13:09:36 +0200
From: José Expósito <jose.exposito89@...il.com>
To: jikos@...nel.org
Cc: benjamin.tissoires@...hat.com, spbnick@...il.com,
linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
José Expósito <jose.exposito89@...il.com>
Subject: [PATCH for-5.19/uclogic 4/4] HID: uclogic: Add support for Huion Q620M
From: Nikolai Kondrashov <spbnick@...il.com>
The Huion Q620M tablet needs a v2 frame dial.
Signed-off-by: Nikolai Kondrashov <spbnick@...il.com>
Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
drivers/hid/hid-uclogic-params.c | 20 +++++++++++++
drivers/hid/hid-uclogic-rdesc.c | 50 ++++++++++++++++++++++++++++++++
drivers/hid/hid-uclogic-rdesc.h | 10 +++++++
3 files changed, 80 insertions(+)
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 3ac45e7572a0..09c332c6a412 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -777,6 +777,23 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
p.frame_list[1].touch_ring_max = 12;
p.frame_list[1].touch_ring_flip_at = 6;
+ /* Create v2 frame dial parameters */
+ rc = uclogic_params_frame_init_with_desc(
+ &p.frame_list[2],
+ uclogic_rdesc_v2_frame_dial_arr,
+ uclogic_rdesc_v2_frame_dial_size,
+ UCLOGIC_RDESC_V2_FRAME_DIAL_ID);
+ if (rc != 0) {
+ hid_err(hdev,
+ "failed creating v2 frame dial parameters: %d\n",
+ rc);
+ goto cleanup;
+ }
+ p.frame_list[2].suffix = "Dial";
+ p.frame_list[2].dev_id_byte =
+ UCLOGIC_RDESC_V2_FRAME_DIAL_DEV_ID_BYTE;
+ p.frame_list[2].bitmap_dial_byte = 5;
+
/*
* Link button and touch ring subreports from pen
* reports
@@ -787,6 +804,9 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
p.pen.subreport_list[1].value = 0xf0;
p.pen.subreport_list[1].id =
UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_ID;
+ p.pen.subreport_list[2].value = 0xf1;
+ p.pen.subreport_list[2].id =
+ UCLOGIC_RDESC_V2_FRAME_DIAL_ID;
goto output;
}
hid_dbg(hdev, "pen v2 parameters not found\n");
diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c
index d64b607dce5d..dd792160fe7e 100644
--- a/drivers/hid/hid-uclogic-rdesc.c
+++ b/drivers/hid/hid-uclogic-rdesc.c
@@ -761,6 +761,56 @@ const __u8 uclogic_rdesc_v2_frame_touch_ring_arr[] = {
const size_t uclogic_rdesc_v2_frame_touch_ring_size =
sizeof(uclogic_rdesc_v2_frame_touch_ring_arr);
+/* Fixed report descriptor for (tweaked) v2 frame dial reports */
+const __u8 uclogic_rdesc_v2_frame_dial_arr[] = {
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x07, /* Usage (Keypad), */
+ 0xA1, 0x01, /* Collection (Application), */
+ 0x85, UCLOGIC_RDESC_V2_FRAME_DIAL_ID,
+ /* Report ID (DIAL_ID), */
+ 0x14, /* Logical Minimum (0), */
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x09, 0x39, /* Usage (Tablet Function Keys), */
+ 0xA0, /* Collection (Physical), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x09, /* Usage Page (Button), */
+ 0x09, 0x01, /* Usage (01h), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x06, /* Report Count (6), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x75, 0x08, /* Report Size (8), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0x05, 0x0D, /* Usage Page (Digitizer), */
+ 0x0A, 0xFF, 0xFF, /* Usage (FFFFh), */
+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x05, 0x01, /* Usage Page (Desktop), */
+ 0x09, 0x38, /* Usage (Wheel), */
+ 0x95, 0x01, /* Report Count (1), */
+ 0x15, 0xFF, /* Logical Minimum (-1), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x81, 0x06, /* Input (Variable, Relative), */
+ 0x09, 0x30, /* Usage (X), */
+ 0x09, 0x31, /* Usage (Y), */
+ 0x14, /* Logical Minimum (0), */
+ 0x25, 0x01, /* Logical Maximum (1), */
+ 0x75, 0x01, /* Report Size (1), */
+ 0x95, 0x02, /* Report Count (2), */
+ 0x81, 0x02, /* Input (Variable), */
+ 0x95, 0x2E, /* Report Count (46), */
+ 0x81, 0x01, /* Input (Constant), */
+ 0xC0, /* End Collection, */
+ 0xC0 /* End Collection */
+};
+const size_t uclogic_rdesc_v2_frame_dial_size =
+ sizeof(uclogic_rdesc_v2_frame_dial_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 f15a9d8a946b..2ab6b7d5f5af 100644
--- a/drivers/hid/hid-uclogic-rdesc.h
+++ b/drivers/hid/hid-uclogic-rdesc.h
@@ -141,6 +141,16 @@ extern const size_t uclogic_rdesc_v2_frame_touch_ring_size;
/* Device ID byte offset in v2 frame touch ring reports */
#define UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_DEV_ID_BYTE 0x4
+/* Report ID for tweaked v2 frame dial reports */
+#define UCLOGIC_RDESC_V2_FRAME_DIAL_ID 0xf9
+
+/* Fixed report descriptor for (tweaked) v2 frame dial reports */
+extern const __u8 uclogic_rdesc_v2_frame_dial_arr[];
+extern const size_t uclogic_rdesc_v2_frame_dial_size;
+
+/* Device ID byte offset in v2 frame dial reports */
+#define UCLOGIC_RDESC_V2_FRAME_DIAL_DEV_ID_BYTE 0x4
+
/* 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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