| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <hid/gt92xx.h> |
| #include <zircon/errors.h> |
| #include <string.h> |
| |
| static const uint8_t gt92xx_touch_report_desc[] = { |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x04, // Usage (Touch Screen) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x01, // Report ID (1) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0x58, 0x02, // Logical Maximum (600) |
| 0x75, 0x10, // Report Size (16) |
| 0x09, 0x30, // Usage (X) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x00, 0x04, // Logical Maximum (1024) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0x58, 0x02, // Logical Maximum (600) |
| 0x75, 0x10, // Report Size (16) |
| 0x09, 0x30, // Usage (X) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x00, 0x04, // Logical Maximum (1024) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0x58, 0x02, // Logical Maximum (600) |
| 0x75, 0x10, // Report Size (16) |
| 0x09, 0x30, // Usage (X) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x00, 0x04, // Logical Maximum (1024) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0x58, 0x02, // Logical Maximum (600) |
| 0x75, 0x10, // Report Size (16) |
| 0x09, 0x30, // Usage (X) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x00, 0x04, // Logical Maximum (1024) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x02, // Collection (Logical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x75, 0x06, // Report Size (6) |
| 0x09, 0x51, // Usage (0x51) |
| 0x25, 0x3F, // Logical Maximum (63) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x95, 0x01, // Report Count (1) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0xA4, // Push |
| 0x26, 0x58, 0x02, // Logical Maximum (600) |
| 0x75, 0x10, // Report Size (16) |
| 0x09, 0x30, // Usage (X) |
| 0x95, 0x01, // Report Count (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0x26, 0x00, 0x04, // Logical Maximum (1024) |
| 0x09, 0x31, // Usage (Y) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x54, // Usage (0x54) |
| 0x25, 0x05, // Logical Maximum (5) |
| 0x95, 0x01, // Report Count (1) |
| 0x75, 0x08, // Report Size (8) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) |
| 0xC0, // End Collection |
| }; |
| |
| bool is_gt92xx_touch_report_desc(const uint8_t* data, size_t len) { |
| if (!data) |
| return false; |
| |
| if (len != sizeof(gt92xx_touch_report_desc)) |
| return false; |
| |
| return (memcmp(data, gt92xx_touch_report_desc, len) == 0); |
| } |
| |
| zx_status_t setup_gt92xx_touch(int fd) { |
| if (fd < 0) |
| return ZX_ERR_INVALID_ARGS; |
| |
| return ZX_OK; |
| } |
| |
| size_t get_gt92xx_report_desc(const uint8_t** buf) { |
| *buf = gt92xx_touch_report_desc; |
| return sizeof(gt92xx_touch_report_desc); |
| } |
