diff options
Diffstat (limited to 'driver/touchpad_gt7288.h')
-rw-r--r-- | driver/touchpad_gt7288.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/driver/touchpad_gt7288.h b/driver/touchpad_gt7288.h deleted file mode 100644 index c89c586784..0000000000 --- a/driver/touchpad_gt7288.h +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Driver for the Goodix GT7288 touch controller. */ - -#ifndef __CROS_EC_TOUCHPAD_GT7288_H -#define __CROS_EC_TOUCHPAD_GT7288_H - -#include <stdbool.h> -#include <stddef.h> - -/* The maximum number of contacts that can be reported at once. */ -#define GT7288_MAX_CONTACTS 5 - -/** - * Version information for the chip. - */ -struct gt7288_version_info { - /** HID product ID (0x01F0 for touchpads, 0x01F1 for touchscreens). */ - uint16_t product_id; - /** - * The firmware version. For touchpads equipped with a fingerprint - * sensor, the MSB will be 1. - */ - uint16_t version_id; -}; - -/** - * Reads version information from the GT7288. - * - * @param[out] info The version information. - * - * @return EC_SUCCESS or an error code. - */ -int gt7288_get_version_info(struct gt7288_version_info *info); - -/** - * Data describing a single contact. - */ -struct gt7288_contact { - /** - * A 4-bit ID that uniquely identifies the contact during its lifecycle. - */ - uint8_t id; - /** The absolute X coordinate. */ - uint16_t x; - /** The absolute Y coordinate. */ - uint16_t y; - /** The width of the contact (with firmware version 4 or greater). */ - uint8_t width; - /** The height of the contact (with firmware version 4 or greater). */ - uint8_t height; - /** Whether the finger is touching the pad. (Currently always true.) */ - bool tip; - /** Whether the touch is a finger (true) or palm (false). */ - bool confidence; -}; - -/** - * Data from a complete report in PTP mode. - */ -struct gt7288_ptp_report { - /** A relative timestamp, in units of 100µs. */ - uint16_t timestamp; - /** The number of contacts on the pad. */ - size_t num_contacts; - /** Whether the button is pressed. */ - bool button_down; - /** An array of structs describing the individual contacts. */ - struct gt7288_contact contacts[GT7288_MAX_CONTACTS]; -}; - -/** - * Reads a complete report, when the GT7288 is in PTP mode. - * - * @param[out] report The report that is read. - * - * @return EC_SUCCESS or an error code. - */ -int gt7288_read_ptp_report(struct gt7288_ptp_report *report); - -#endif /* __CROS_EC_TOUCHPAD_GT7288_H */ |