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// 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 <string.h>
#include <zircon/errors.h>
#include <hid/gt92xx.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);
}