[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/input/keyboard/xtkbd.c b/src/kernel/linux/v4.14/drivers/input/keyboard/xtkbd.c
new file mode 100644
index 0000000..8f64b9d
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/input/keyboard/xtkbd.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 1999-2001 Vojtech Pavlik
+ */
+
+/*
+ * XT keyboard driver for Linux
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Should you need to contact me, the author, you can do so either by
+ * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
+ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/serio.h>
+
+#define DRIVER_DESC "XT keyboard driver"
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+#define XTKBD_EMUL0 0xe0
+#define XTKBD_EMUL1 0xe1
+#define XTKBD_KEY 0x7f
+#define XTKBD_RELEASE 0x80
+
+static unsigned char xtkbd_keycode[256] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+ 80, 81, 82, 83, 0, 0, 0, 87, 88, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 87, 88, 0, 0, 0, 0,110,111,103,108,105,
+ 106
+};
+
+struct xtkbd {
+ unsigned char keycode[256];
+ struct input_dev *dev;
+ struct serio *serio;
+ char phys[32];
+};
+
+static irqreturn_t xtkbd_interrupt(struct serio *serio,
+ unsigned char data, unsigned int flags)
+{
+ struct xtkbd *xtkbd = serio_get_drvdata(serio);
+
+ switch (data) {
+ case XTKBD_EMUL0:
+ case XTKBD_EMUL1:
+ break;
+ default:
+
+ if (xtkbd->keycode[data & XTKBD_KEY]) {
+ input_report_key(xtkbd->dev, xtkbd->keycode[data & XTKBD_KEY], !(data & XTKBD_RELEASE));
+ input_sync(xtkbd->dev);
+ } else {
+ printk(KERN_WARNING "xtkbd.c: Unknown key (scancode %#x) %s.\n",
+ data & XTKBD_KEY, data & XTKBD_RELEASE ? "released" : "pressed");
+ }
+ }
+ return IRQ_HANDLED;
+}
+
+static int xtkbd_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct xtkbd *xtkbd;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i;
+
+ xtkbd = kmalloc(sizeof(struct xtkbd), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!xtkbd || !input_dev)
+ goto fail1;
+
+ xtkbd->serio = serio;
+ xtkbd->dev = input_dev;
+ snprintf(xtkbd->phys, sizeof(xtkbd->phys), "%s/input0", serio->phys);
+ memcpy(xtkbd->keycode, xtkbd_keycode, sizeof(xtkbd->keycode));
+
+ input_dev->name = "XT Keyboard";
+ input_dev->phys = xtkbd->phys;
+ input_dev->id.bustype = BUS_XTKBD;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+ input_dev->keycode = xtkbd->keycode;
+ input_dev->keycodesize = sizeof(unsigned char);
+ input_dev->keycodemax = ARRAY_SIZE(xtkbd_keycode);
+
+ for (i = 0; i < 255; i++)
+ set_bit(xtkbd->keycode[i], input_dev->keybit);
+ clear_bit(0, input_dev->keybit);
+
+ serio_set_drvdata(serio, xtkbd);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(xtkbd->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(xtkbd);
+ return err;
+}
+
+static void xtkbd_disconnect(struct serio *serio)
+{
+ struct xtkbd *xtkbd = serio_get_drvdata(serio);
+
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_unregister_device(xtkbd->dev);
+ kfree(xtkbd);
+}
+
+static const struct serio_device_id xtkbd_serio_ids[] = {
+ {
+ .type = SERIO_XT,
+ .proto = SERIO_ANY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, xtkbd_serio_ids);
+
+static struct serio_driver xtkbd_drv = {
+ .driver = {
+ .name = "xtkbd",
+ },
+ .description = DRIVER_DESC,
+ .id_table = xtkbd_serio_ids,
+ .interrupt = xtkbd_interrupt,
+ .connect = xtkbd_connect,
+ .disconnect = xtkbd_disconnect,
+};
+
+module_serio_driver(xtkbd_drv);