[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/input/touchscreen/dynapro.c b/src/kernel/linux/v4.14/drivers/input/touchscreen/dynapro.c
new file mode 100644
index 0000000..5b1b66f
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/input/touchscreen/dynapro.c
@@ -0,0 +1,190 @@
+/*
+ * Dynapro serial touchscreen driver
+ *
+ * Copyright (c) 2009 Tias Guns
+ * Based on the inexio driver (c) Vojtech Pavlik and Dan Streetman and
+ * Richard Lemon
+ *
+ */
+
+/*
+ * 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.
+ */
+
+/*
+ * 2009/09/19 Tias Guns <tias@ulyssis.org>
+ * Copied inexio.c and edited for Dynapro protocol (from retired Xorg module)
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+
+#define DRIVER_DESC "Dynapro serial touchscreen driver"
+
+MODULE_AUTHOR("Tias Guns <tias@ulyssis.org>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+/*
+ * Definitions & global arrays.
+ */
+
+#define DYNAPRO_FORMAT_TOUCH_BIT 0x40
+#define DYNAPRO_FORMAT_LENGTH 3
+#define DYNAPRO_RESPONSE_BEGIN_BYTE 0x80
+
+#define DYNAPRO_MIN_XC 0
+#define DYNAPRO_MAX_XC 0x3ff
+#define DYNAPRO_MIN_YC 0
+#define DYNAPRO_MAX_YC 0x3ff
+
+#define DYNAPRO_GET_XC(data) (data[1] | ((data[0] & 0x38) << 4))
+#define DYNAPRO_GET_YC(data) (data[2] | ((data[0] & 0x07) << 7))
+#define DYNAPRO_GET_TOUCHED(data) (DYNAPRO_FORMAT_TOUCH_BIT & data[0])
+
+/*
+ * Per-touchscreen data.
+ */
+
+struct dynapro {
+ struct input_dev *dev;
+ struct serio *serio;
+ int idx;
+ unsigned char data[DYNAPRO_FORMAT_LENGTH];
+ char phys[32];
+};
+
+static void dynapro_process_data(struct dynapro *pdynapro)
+{
+ struct input_dev *dev = pdynapro->dev;
+
+ if (DYNAPRO_FORMAT_LENGTH == ++pdynapro->idx) {
+ input_report_abs(dev, ABS_X, DYNAPRO_GET_XC(pdynapro->data));
+ input_report_abs(dev, ABS_Y, DYNAPRO_GET_YC(pdynapro->data));
+ input_report_key(dev, BTN_TOUCH,
+ DYNAPRO_GET_TOUCHED(pdynapro->data));
+ input_sync(dev);
+
+ pdynapro->idx = 0;
+ }
+}
+
+static irqreturn_t dynapro_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct dynapro *pdynapro = serio_get_drvdata(serio);
+
+ pdynapro->data[pdynapro->idx] = data;
+
+ if (DYNAPRO_RESPONSE_BEGIN_BYTE & pdynapro->data[0])
+ dynapro_process_data(pdynapro);
+ else
+ dev_dbg(&serio->dev, "unknown/unsynchronized data: %x\n",
+ pdynapro->data[0]);
+
+ return IRQ_HANDLED;
+}
+
+static void dynapro_disconnect(struct serio *serio)
+{
+ struct dynapro *pdynapro = serio_get_drvdata(serio);
+
+ input_get_device(pdynapro->dev);
+ input_unregister_device(pdynapro->dev);
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_put_device(pdynapro->dev);
+ kfree(pdynapro);
+}
+
+/*
+ * dynapro_connect() is the routine that is called when someone adds a
+ * new serio device that supports dynapro protocol and registers it as
+ * an input device. This is usually accomplished using inputattach.
+ */
+
+static int dynapro_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct dynapro *pdynapro;
+ struct input_dev *input_dev;
+ int err;
+
+ pdynapro = kzalloc(sizeof(struct dynapro), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!pdynapro || !input_dev) {
+ err = -ENOMEM;
+ goto fail1;
+ }
+
+ pdynapro->serio = serio;
+ pdynapro->dev = input_dev;
+ snprintf(pdynapro->phys, sizeof(pdynapro->phys),
+ "%s/input0", serio->phys);
+
+ input_dev->name = "Dynapro Serial TouchScreen";
+ input_dev->phys = pdynapro->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_DYNAPRO;
+ input_dev->id.product = 0;
+ input_dev->id.version = 0x0001;
+ input_dev->dev.parent = &serio->dev;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_abs_params(pdynapro->dev, ABS_X,
+ DYNAPRO_MIN_XC, DYNAPRO_MAX_XC, 0, 0);
+ input_set_abs_params(pdynapro->dev, ABS_Y,
+ DYNAPRO_MIN_YC, DYNAPRO_MAX_YC, 0, 0);
+
+ serio_set_drvdata(serio, pdynapro);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(pdynapro->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(pdynapro);
+ return err;
+}
+
+/*
+ * The serio driver structure.
+ */
+
+static const struct serio_device_id dynapro_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_DYNAPRO,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, dynapro_serio_ids);
+
+static struct serio_driver dynapro_drv = {
+ .driver = {
+ .name = "dynapro",
+ },
+ .description = DRIVER_DESC,
+ .id_table = dynapro_serio_ids,
+ .interrupt = dynapro_interrupt,
+ .connect = dynapro_connect,
+ .disconnect = dynapro_disconnect,
+};
+
+module_serio_driver(dynapro_drv);