From c85d51e6d62a9591bd5b99dcb0146aae5dbee43f Mon Sep 17 00:00:00 2001 From: Andreas Sandberg Date: Mon, 9 Apr 2018 18:38:33 +0100 Subject: ps2: Add a simple touchscreen model Add a touchscreen model that is compatible with Linux's TouchKit driver. This model is based on the model in the Arm PL050 KMI model. Change-Id: Id4d88a21a26bb42c455e4d778cd89875f650ac57 Signed-off-by: Andreas Sandberg Reviewed-by: Giacomo Travaglini Reviewed-on: https://gem5-review.googlesource.com/9764 Reviewed-by: Gabe Black Maintainer: Gabe Black --- src/dev/ps2/touchkit.hh | 84 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/dev/ps2/touchkit.hh (limited to 'src/dev/ps2/touchkit.hh') diff --git a/src/dev/ps2/touchkit.hh b/src/dev/ps2/touchkit.hh new file mode 100644 index 000000000..4541f3f29 --- /dev/null +++ b/src/dev/ps2/touchkit.hh @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2010, 2017-2018 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Andreas Sandberg + */ + +#ifndef __DEV_PS2_TOUCHKIT_HH__ +#define __DEV_PS2_TOUCHKIT_HH__ + +#include "base/vnc/vncinput.hh" +#include "dev/ps2/device.hh" + +struct PS2TouchKitParams; + +class PS2TouchKit : public PS2Device, public VncMouse +{ + protected: + static const uint8_t ID[]; + + public: + PS2TouchKit(const PS2TouchKitParams *p); + + void serialize(CheckpointOut &cp) const override; + void unserialize(CheckpointIn &cp) override; + + protected: // PS2Device + void recv(uint8_t data) override; + + public: // VncMouse + void mouseAt(uint16_t x, uint16_t y, uint8_t buttons) override; + + protected: + /** The vnc server we're connected to (if any) */ + VncInput *const vnc; + + /** + * If the controller should ignore the next N data bytes and + * acknowledge them. This occurs when the driver is attempting to + * setup some feature we don't care about. + */ + int ackNext; + + /** + * Has the driver been initialized in TouchKit mode? The model + * suppresses touch event generation until this is true. + */ + bool driverInitialized; +}; + +#endif // __DEV_PS2_TOUCHKIT_HH__ + -- cgit v1.2.3