[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/input/mouse/amimouse.c b/src/kernel/linux/v4.14/drivers/input/mouse/amimouse.c
new file mode 100644
index 0000000..a33437c
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/input/mouse/amimouse.c
@@ -0,0 +1,149 @@
+/*
+ * Amiga mouse driver for Linux/m68k
+ *
+ * Copyright (c) 2000-2002 Vojtech Pavlik
+ *
+ * Based on the work of:
+ * Michael Rausch James Banks
+ * Matther Dillon David Giller
+ * Nathan Laredo Linus Torvalds
+ * Johan Myreen Jes Sorensen
+ * Russell King
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <linux/uaccess.h>
+#include <asm/amigahw.h>
+#include <asm/amigaints.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION("Amiga mouse driver");
+MODULE_LICENSE("GPL");
+
+static int amimouse_lastx, amimouse_lasty;
+
+static irqreturn_t amimouse_interrupt(int irq, void *data)
+{
+ struct input_dev *dev = data;
+ unsigned short joy0dat, potgor;
+ int nx, ny, dx, dy;
+
+ joy0dat = amiga_custom.joy0dat;
+
+ nx = joy0dat & 0xff;
+ ny = joy0dat >> 8;
+
+ dx = nx - amimouse_lastx;
+ dy = ny - amimouse_lasty;
+
+ if (dx < -127) dx = (256 + nx) - amimouse_lastx;
+ if (dx > 127) dx = (nx - 256) - amimouse_lastx;
+ if (dy < -127) dy = (256 + ny) - amimouse_lasty;
+ if (dy > 127) dy = (ny - 256) - amimouse_lasty;
+
+ amimouse_lastx = nx;
+ amimouse_lasty = ny;
+
+ potgor = amiga_custom.potgor;
+
+ input_report_rel(dev, REL_X, dx);
+ input_report_rel(dev, REL_Y, dy);
+
+ input_report_key(dev, BTN_LEFT, ciaa.pra & 0x40);
+ input_report_key(dev, BTN_MIDDLE, potgor & 0x0100);
+ input_report_key(dev, BTN_RIGHT, potgor & 0x0400);
+
+ input_sync(dev);
+
+ return IRQ_HANDLED;
+}
+
+static int amimouse_open(struct input_dev *dev)
+{
+ unsigned short joy0dat;
+ int error;
+
+ joy0dat = amiga_custom.joy0dat;
+
+ amimouse_lastx = joy0dat & 0xff;
+ amimouse_lasty = joy0dat >> 8;
+
+ error = request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse",
+ dev);
+ if (error)
+ dev_err(&dev->dev, "Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
+
+ return error;
+}
+
+static void amimouse_close(struct input_dev *dev)
+{
+ free_irq(IRQ_AMIGA_VERTB, dev);
+}
+
+static int __init amimouse_probe(struct platform_device *pdev)
+{
+ int err;
+ struct input_dev *dev;
+
+ dev = input_allocate_device();
+ if (!dev)
+ return -ENOMEM;
+
+ dev->name = pdev->name;
+ dev->phys = "amimouse/input0";
+ dev->id.bustype = BUS_AMIGA;
+ dev->id.vendor = 0x0001;
+ dev->id.product = 0x0002;
+ dev->id.version = 0x0100;
+
+ dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
+ dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
+ dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
+ BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
+ dev->open = amimouse_open;
+ dev->close = amimouse_close;
+ dev->dev.parent = &pdev->dev;
+
+ err = input_register_device(dev);
+ if (err) {
+ input_free_device(dev);
+ return err;
+ }
+
+ platform_set_drvdata(pdev, dev);
+
+ return 0;
+}
+
+static int __exit amimouse_remove(struct platform_device *pdev)
+{
+ struct input_dev *dev = platform_get_drvdata(pdev);
+
+ input_unregister_device(dev);
+ return 0;
+}
+
+static struct platform_driver amimouse_driver = {
+ .remove = __exit_p(amimouse_remove),
+ .driver = {
+ .name = "amiga-mouse",
+ },
+};
+
+module_platform_driver_probe(amimouse_driver, amimouse_probe);
+
+MODULE_ALIAS("platform:amiga-mouse");