--- /dev/null
+/*
+ * Stowaway keyboard driver for Linux
+ */
+
+/*
+ * Copyright (c) 2006 Marek Vasut
+ *
+ * Based on Newton keyboard driver for Linux
+ * by Justin Cormack
+ */
+
+/*
+ * 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 <marek.vasut@gmail.com>, or by paper mail:
+ * Marek Vasut, Liskovecka 559, Frydek-Mistek, 738 01 Czech Republic
+ */
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/input.h>
+#include <linux/init.h>
+#include <linux/serio.h>
+
+#define DRIVER_DESC "Stowaway keyboard driver"
+
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
+
+#define SKBD_KEY_MASK 0x7f
+#define SKBD_RELEASE 0x80
+
+static unsigned char skbd_keycode[128] = {
+ KEY_1, KEY_2, KEY_3, KEY_Z, KEY_4, KEY_5, KEY_6, KEY_7,
+ 0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_GRAVE,
+ KEY_X, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_SPACE,
+ KEY_CAPSLOCK, KEY_TAB, KEY_LEFTCTRL, 0, 0, 0, 0, 0,
+ 0, 0, 0, KEY_LEFTALT, 0, 0, 0, 0,
+ 0, 0, 0, 0, KEY_C, KEY_V, KEY_B, KEY_N,
+ KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, KEY_HOME, KEY_8, KEY_9, KEY_0, KEY_ESC,
+ KEY_LEFTBRACE, KEY_RIGHTBRACE, KEY_BACKSLASH, KEY_END, KEY_U, KEY_I, KEY_O, KEY_P,
+ KEY_APOSTROPHE, KEY_ENTER, KEY_PAGEUP,0, KEY_J, KEY_K, KEY_L, KEY_SEMICOLON,
+ KEY_SLASH, KEY_UP, KEY_PAGEDOWN, 0,KEY_M, KEY_COMMA, KEY_DOT, KEY_INSERT,
+ KEY_DELETE, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0,
+ KEY_LEFTSHIFT, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7,
+ KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_F12, 0, 0, 0
+};
+
+struct skbd {
+ unsigned char keycode[128];
+ struct input_dev *dev;
+ struct serio *serio;
+ char phys[32];
+};
+
+static irqreturn_t skbd_interrupt(struct serio *serio, unsigned char data,
+ unsigned int flags, struct pt_regs *regs)
+{
+ struct skbd *skbd = serio_get_drvdata(serio);
+ struct input_dev *dev = skbd->dev;
+
+ if (skbd->keycode[data & SKBD_KEY_MASK]) {
+ input_regs(dev, regs);
+ input_report_key(dev, skbd->keycode[data & SKBD_KEY_MASK],
+ !(data & SKBD_RELEASE));
+ input_sync(dev);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int skbd_connect(struct serio *serio, struct serio_driver *drv)
+{
+ struct skbd *skbd;
+ struct input_dev *input_dev;
+ int err = -ENOMEM;
+ int i;
+
+ skbd = kzalloc(sizeof(struct skbd), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!skbd || !input_dev)
+ goto fail1;
+
+ skbd->serio = serio;
+ skbd->dev = input_dev;
+ snprintf(skbd->phys, sizeof(skbd->phys), "%s/input0", serio->phys);
+ memcpy(skbd->keycode, skbd_keycode, sizeof(skbd->keycode));
+
+ input_dev->name = "Stowaway Keyboard";
+ input_dev->phys = skbd->phys;
+ input_dev->id.bustype = BUS_RS232;
+ input_dev->id.vendor = SERIO_STOWAWAY;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->cdev.dev = &serio->dev;
+ input_dev->private = skbd;
+
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ input_dev->keycode = skbd->keycode;
+ input_dev->keycodesize = sizeof(unsigned char);
+ input_dev->keycodemax = ARRAY_SIZE(skbd_keycode);
+ for (i = 0; i < ARRAY_SIZE(skbd_keycode); i++)
+ set_bit(skbd_keycode[i], input_dev->keybit);
+ clear_bit(0, input_dev->keybit);
+
+ serio_set_drvdata(serio, skbd);
+
+ err = serio_open(serio, drv);
+ if (err)
+ goto fail2;
+
+ err = input_register_device(skbd->dev);
+ if (err)
+ goto fail3;
+
+ return 0;
+
+ fail3: serio_close(serio);
+ fail2: serio_set_drvdata(serio, NULL);
+ fail1: input_free_device(input_dev);
+ kfree(skbd);
+ return err;
+}
+
+static void skbd_disconnect(struct serio *serio)
+{
+ struct skbd *skbd = serio_get_drvdata(serio);
+
+ serio_close(serio);
+ serio_set_drvdata(serio, NULL);
+ input_unregister_device(skbd->dev);
+ kfree(skbd);
+}
+
+static struct serio_device_id skbd_serio_ids[] = {
+ {
+ .type = SERIO_RS232,
+ .proto = SERIO_STOWAWAY,
+ .id = SERIO_ANY,
+ .extra = SERIO_ANY,
+ },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(serio, skbd_serio_ids);
+
+static struct serio_driver skbd_drv = {
+ .driver = {
+ .name = "stowaway",
+ },
+ .description = DRIVER_DESC,
+ .id_table = skbd_serio_ids,
+ .interrupt = skbd_interrupt,
+ .connect = skbd_connect,
+ .disconnect = skbd_disconnect,
+};
+
+static int __init skbd_init(void)
+{
+ serio_register_driver(&skbd_drv);
+ return 0;
+}
+
+static void __exit skbd_exit(void)
+{
+ serio_unregister_driver(&skbd_drv);
+}
+
+module_init(skbd_init);
+module_exit(skbd_exit);
projects / linux-2.6 / commitdiff