From b67439d7cd5a8d657bfbfb576dab10b11a492583 Mon Sep 17 00:00:00 2001 From: José Expósito Date: Mon, 15 Aug 2022 16:29:53 +0200 Subject: HID: uclogic: Add support for UGEE v2 dial frames MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the required HID descriptors and the initialization function for UGEE v2 frames with a bitmap dial. Tested-by: Jouke Witteveen Signed-off-by: José Expósito Signed-off-by: Jiri Kosina --- drivers/hid/hid-uclogic-params.c | 44 ++++++++++++++++++++++++++++++++++++++++ drivers/hid/hid-uclogic-rdesc.c | 40 ++++++++++++++++++++++++++++++++++++ drivers/hid/hid-uclogic-rdesc.h | 4 ++++ 3 files changed, 88 insertions(+) diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index 7845dd5fb4b1..950615f95abc 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -1150,6 +1150,45 @@ static int uclogic_params_ugee_v2_init_frame_buttons(struct uclogic_params *p, return rc; } +/** + * uclogic_params_ugee_v2_init_frame_dial() - initialize a UGEE v2 frame with a + * bitmap dial. + * @p: Parameters to fill in, cannot be NULL. + * @desc_params: Device description params list. + * @desc_params_size: Size of the description params list. + * + * Returns: + * Zero, if successful. A negative errno code on error. + */ +static int uclogic_params_ugee_v2_init_frame_dial(struct uclogic_params *p, + const s32 *desc_params, + size_t desc_params_size) +{ + __u8 *rdesc_frame = NULL; + int rc = 0; + + if (!p || desc_params_size != UCLOGIC_RDESC_PH_ID_NUM) + return -EINVAL; + + rdesc_frame = uclogic_rdesc_template_apply( + uclogic_rdesc_ugee_v2_frame_dial_template_arr, + uclogic_rdesc_ugee_v2_frame_dial_template_size, + desc_params, UCLOGIC_RDESC_PH_ID_NUM); + if (!rdesc_frame) + return -ENOMEM; + + rc = uclogic_params_frame_init_with_desc(&p->frame_list[0], + rdesc_frame, + uclogic_rdesc_ugee_v2_frame_dial_template_size, + UCLOGIC_RDESC_V1_FRAME_ID); + kfree(rdesc_frame); + if (rc) + return rc; + + p->frame_list[0].bitmap_dial_byte = 7; + return 0; +} + /** * uclogic_params_ugee_v2_init() - initialize a UGEE graphics tablets by * discovering their parameters. @@ -1249,6 +1288,11 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, /* Initialize the frame interface */ switch (frame_type) { + case UCLOGIC_PARAMS_FRAME_DIAL: + case UCLOGIC_PARAMS_FRAME_MOUSE: + rc = uclogic_params_ugee_v2_init_frame_dial(&p, desc_params, + ARRAY_SIZE(desc_params)); + break; case UCLOGIC_PARAMS_FRAME_BUTTONS: default: rc = uclogic_params_ugee_v2_init_frame_buttons(&p, desc_params, diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c index 81ca22398ed5..56bf984538f6 100644 --- a/drivers/hid/hid-uclogic-rdesc.c +++ b/drivers/hid/hid-uclogic-rdesc.c @@ -961,6 +961,46 @@ const __u8 uclogic_rdesc_ugee_v2_frame_btn_template_arr[] = { const size_t uclogic_rdesc_ugee_v2_frame_btn_template_size = sizeof(uclogic_rdesc_ugee_v2_frame_btn_template_arr); +/* Fixed report descriptor template for UGEE v2 frame reports (dial) */ +const __u8 uclogic_rdesc_ugee_v2_frame_dial_template_arr[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x07, /* Usage (Keypad), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, UCLOGIC_RDESC_V1_FRAME_ID, + /* Report ID, */ + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x39, /* Usage (Tablet Function Keys), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x01, /* Input (Constant), */ + 0x05, 0x09, /* Usage Page (Button), */ + 0x19, 0x01, /* Usage Minimum (01h), */ + UCLOGIC_RDESC_FRAME_PH_BTN, + /* Usage Maximum (PLACEHOLDER), */ + 0x95, 0x0A, /* Report Count (10), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x06, /* Report Count (6), */ + 0x81, 0x01, /* Input (Constant), */ + 0x75, 0x08, /* Report Size (8), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x01, /* Input (Constant), */ + 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), */ + 0x95, 0x02, /* Report Count (2), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; +const size_t uclogic_rdesc_ugee_v2_frame_dial_template_size = + sizeof(uclogic_rdesc_ugee_v2_frame_dial_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 86e64a9ee6bd..1a2d658bad3a 100644 --- a/drivers/hid/hid-uclogic-rdesc.h +++ b/drivers/hid/hid-uclogic-rdesc.h @@ -169,6 +169,10 @@ extern const size_t uclogic_rdesc_ugee_v2_pen_template_size; extern const __u8 uclogic_rdesc_ugee_v2_frame_btn_template_arr[]; extern const size_t uclogic_rdesc_ugee_v2_frame_btn_template_size; +/* Fixed report descriptor template for UGEE v2 frame reports (dial) */ +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 for Ugee EX07 frame */ extern const __u8 uclogic_rdesc_ugee_ex07_frame_arr[]; extern const size_t uclogic_rdesc_ugee_ex07_frame_size; -- cgit v1.2.3