HID: uclogic: Add support for Huion touch ring reports

Support touch ring reports found in Huion HS610 to the UC-Logic driver.

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 5f50ceb..3ac45e7 100644 (file)
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -745,22 +745,48 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
                        goto cleanup;
                } else if (found) {
                        hid_dbg(hdev, "pen v2 parameters found\n");
-                       /* Create v2 frame parameters */
+                       /* Create v2 frame button parameters */
                        rc = uclogic_params_frame_init_with_desc(
                                        &p.frame_list[0],
-                                       uclogic_rdesc_v2_frame_arr,
-                                       uclogic_rdesc_v2_frame_size,
-                                       UCLOGIC_RDESC_V2_FRAME_ID);
+                                       uclogic_rdesc_v2_frame_buttons_arr,
+                                       uclogic_rdesc_v2_frame_buttons_size,
+                                       UCLOGIC_RDESC_V2_FRAME_BUTTONS_ID);
                        if (rc != 0) {
                                hid_err(hdev,
-                                       "failed creating v2 frame parameters: %d\n",
+                                       "failed creating v2 frame button parameters: %d\n",
                                        rc);
                                goto cleanup;
                        }
-                       /* Link frame button subreports from pen reports */
+
+                       /* Create v2 frame touch ring parameters */
+                       rc = uclogic_params_frame_init_with_desc(
+                                       &p.frame_list[1],
+                                       uclogic_rdesc_v2_frame_touch_ring_arr,
+                                       uclogic_rdesc_v2_frame_touch_ring_size,
+                                       UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_ID);
+                       if (rc != 0) {
+                               hid_err(hdev,
+                                       "failed creating v2 frame touch ring parameters: %d\n",
+                                       rc);
+                               goto cleanup;
+                       }
+                       p.frame_list[1].suffix = "Touch Ring";
+                       p.frame_list[1].dev_id_byte =
+                               UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_DEV_ID_BYTE;
+                       p.frame_list[1].touch_ring_byte = 5;
+                       p.frame_list[1].touch_ring_max = 12;
+                       p.frame_list[1].touch_ring_flip_at = 6;
+
+                       /*
+                        * Link button and touch ring subreports from pen
+                        * reports
+                        */
                        p.pen.subreport_list[0].value = 0xe0;
                        p.pen.subreport_list[0].id =
-                               UCLOGIC_RDESC_V2_FRAME_ID;
+                               UCLOGIC_RDESC_V2_FRAME_BUTTONS_ID;
+                       p.pen.subreport_list[1].value = 0xf0;
+                       p.pen.subreport_list[1].id =
+                               UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_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 04644d9..d64b607 100644 (file)
--- a/drivers/hid/hid-uclogic-rdesc.c
+++ b/drivers/hid/hid-uclogic-rdesc.c
@@ -652,12 +652,12 @@ const size_t uclogic_rdesc_v2_pen_template_size =
                        sizeof(uclogic_rdesc_v2_pen_template_arr);
 
 /*
- * Expand to the contents of a generic frame report descriptor.
+ * Expand to the contents of a generic frame buttons report descriptor.
  *
  * @_id:       The report ID to use.
  * @_size:     Size of the report to pad to, including report ID, bytes.
  */
-#define UCLOGIC_RDESC_FRAME_BYTES(_id, _size) \
+#define UCLOGIC_RDESC_FRAME_BUTTONS_BYTES(_id, _size) \
        0x05, 0x01,     /*  Usage Page (Desktop),               */ \
        0x09, 0x07,     /*  Usage (Keypad),                     */ \
        0xA1, 0x01,     /*  Collection (Application),           */ \
@@ -700,17 +700,66 @@ const size_t uclogic_rdesc_v2_pen_template_size =
 
 /* Fixed report descriptor for (tweaked) v1 frame reports */
 const __u8 uclogic_rdesc_v1_frame_arr[] = {
-       UCLOGIC_RDESC_FRAME_BYTES(UCLOGIC_RDESC_V1_FRAME_ID, 8)
+       UCLOGIC_RDESC_FRAME_BUTTONS_BYTES(UCLOGIC_RDESC_V1_FRAME_ID, 8)
 };
 const size_t uclogic_rdesc_v1_frame_size =
                        sizeof(uclogic_rdesc_v1_frame_arr);
 
-/* Fixed report descriptor for (tweaked) v2 frame reports */
-const __u8 uclogic_rdesc_v2_frame_arr[] = {
-       UCLOGIC_RDESC_FRAME_BYTES(UCLOGIC_RDESC_V2_FRAME_ID, 12)
+/* Fixed report descriptor for (tweaked) v2 frame button reports */
+const __u8 uclogic_rdesc_v2_frame_buttons_arr[] = {
+       UCLOGIC_RDESC_FRAME_BUTTONS_BYTES(UCLOGIC_RDESC_V2_FRAME_BUTTONS_ID,
+                                         12)
 };
-const size_t uclogic_rdesc_v2_frame_size =
-                       sizeof(uclogic_rdesc_v2_frame_arr);
+const size_t uclogic_rdesc_v2_frame_buttons_size =
+                       sizeof(uclogic_rdesc_v2_frame_buttons_arr);
+
+/* Fixed report descriptor for (tweaked) v2 frame touch ring reports */
+const __u8 uclogic_rdesc_v2_frame_touch_ring_arr[] = {
+       0x05, 0x01,         /*  Usage Page (Desktop),               */
+       0x09, 0x07,         /*  Usage (Keypad),                     */
+       0xA1, 0x01,         /*  Collection (Application),           */
+       0x85, UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_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),            */
+       0x05, 0x09,         /*          Usage Page (Button),        */
+       0x09, 0x01,         /*          Usage (01h),                */
+       0x95, 0x01,         /*          Report Count (1),           */
+       0x81, 0x02,         /*          Input (Variable),           */
+       0x95, 0x07,         /*          Report Count (7),           */
+       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, 0x00,         /*          Logical Minimum (0),        */
+       0x25, 0x0B,         /*          Logical Maximum (11),       */
+       0x81, 0x02,         /*          Input (Variable),           */
+       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_touch_ring_size =
+                       sizeof(uclogic_rdesc_v2_frame_touch_ring_arr);
 
 /* Fixed report descriptor for Ugee EX07 frame */
 const __u8 uclogic_rdesc_ugee_ex07_frame_arr[] = {

diff --git a/drivers/hid/hid-uclogic-rdesc.h b/drivers/hid/hid-uclogic-rdesc.h
index 3d904c2..f15a9d8 100644 (file)
--- a/drivers/hid/hid-uclogic-rdesc.h
+++ b/drivers/hid/hid-uclogic-rdesc.h
@@ -124,12 +124,22 @@ extern const size_t uclogic_rdesc_v2_pen_template_size;
 extern const __u8 uclogic_rdesc_v1_frame_arr[];
 extern const size_t uclogic_rdesc_v1_frame_size;
 
-/* Report ID for tweaked v2 frame reports */
-#define UCLOGIC_RDESC_V2_FRAME_ID 0xf7
+/* Report ID for tweaked v2 frame button reports */
+#define UCLOGIC_RDESC_V2_FRAME_BUTTONS_ID 0xf7
 
-/* Fixed report descriptor for (tweaked) v2 frame reports */
-extern const __u8 uclogic_rdesc_v2_frame_arr[];
-extern const size_t uclogic_rdesc_v2_frame_size;
+/* Fixed report descriptor for (tweaked) v2 frame button reports */
+extern const __u8 uclogic_rdesc_v2_frame_buttons_arr[];
+extern const size_t uclogic_rdesc_v2_frame_buttons_size;
+
+/* Report ID for tweaked v2 frame touch ring reports */
+#define UCLOGIC_RDESC_V2_FRAME_TOUCH_RING_ID 0xf8
+
+/* Fixed report descriptor for (tweaked) v2 frame touch ring reports */
+extern const __u8 uclogic_rdesc_v2_frame_touch_ring_arr[];
+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
 
 /* Fixed report descriptor for Ugee EX07 frame */
 extern const __u8 uclogic_rdesc_ugee_ex07_frame_arr[];