init android origin source code

1 files changed, 178 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/drivers/input/keyboard/jornada720_kbd.c b/ANDROID_3.4.5/drivers/input/keyboard/jornada720_kbd.c
new file mode 100644
index 00000000..9d639fa1
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/input/keyboard/jornada720_kbd.c
@@ -0,0 +1,178 @@
+/*
+ * drivers/input/keyboard/jornada720_kbd.c
+ *
+ * HP Jornada 720 keyboard platform driver
+ *
+ * Copyright (C) 2006/2007 Kristoffer Ericson <Kristoffer.Ericson@Gmail.com>
+ *
+ *    Copyright (C) 2006 jornada 720 kbd driver by
+		Filip Zyzniewsk <Filip.Zyzniewski@tefnet.plX
+ *     based on (C) 2004 jornada 720 kbd driver by
+		Alex Lange <chicken@handhelds.org>
+ *
+ * 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/device.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <mach/jornada720.h>
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+MODULE_AUTHOR("Kristoffer Ericson <Kristoffer.Ericson@gmail.com>");
+MODULE_DESCRIPTION("HP Jornada 710/720/728 keyboard driver");
+MODULE_LICENSE("GPL v2");
+
+static unsigned short jornada_std_keymap[128] = {					/* ROW */
+	0, KEY_ESC, KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7,		/* #1  */
+	KEY_F8, KEY_F9, KEY_F10, KEY_F11, KEY_VOLUMEUP, KEY_VOLUMEDOWN, KEY_MUTE,	/*  -> */
+	0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,		/* #2  */
+	KEY_0, KEY_MINUS, KEY_EQUAL,0, 0, 0,						/*  -> */
+	0, KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O,		/* #3  */
+	KEY_P, KEY_BACKSLASH, KEY_BACKSPACE, 0, 0, 0,					/*  -> */
+	0, KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L,		/* #4  */
+	KEY_SEMICOLON, KEY_LEFTBRACE, KEY_RIGHTBRACE, 0, 0, 0,				/*  -> */
+	0, KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_COMMA,			/* #5  */
+	KEY_DOT, KEY_KPMINUS, KEY_APOSTROPHE, KEY_ENTER, 0, 0,0,			/*  -> */
+	0, KEY_TAB, 0, KEY_LEFTSHIFT, 0, KEY_APOSTROPHE, 0, 0, 0, 0,			/* #6  */
+	KEY_UP, 0, KEY_RIGHTSHIFT, 0, 0, 0,0, 0, 0, 0, 0, KEY_LEFTALT, KEY_GRAVE,	/*  -> */
+	0, 0, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0,0, KEY_KPASTERISK,		/*  -> */
+	KEY_LEFTCTRL, 0, KEY_SPACE, 0, 0, 0, KEY_SLASH, KEY_DELETE, 0, 0,		/*  -> */
+	0, 0, 0, KEY_POWER,								/*  -> */
+};
+
+struct jornadakbd {
+	unsigned short keymap[ARRAY_SIZE(jornada_std_keymap)];
+	struct input_dev *input;
+};
+
+static irqreturn_t jornada720_kbd_interrupt(int irq, void *dev_id)
+{
+	struct platform_device *pdev = dev_id;
+	struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
+	struct input_dev *input = jornadakbd->input;
+	u8 count, kbd_data, scan_code;
+
+	/* startup ssp with spinlock */
+	jornada_ssp_start();
+
+	if (jornada_ssp_inout(GETSCANKEYCODE) != TXDUMMY) {
+		printk(KERN_DEBUG
+			"jornada720_kbd: "
+			"GetKeycode command failed with ETIMEDOUT, "
+			"flushed bus\n");
+	} else {
+		/* How many keycodes are waiting for us? */
+		count = jornada_ssp_byte(TXDUMMY);
+
+		/* Lets drag them out one at a time */
+		while (count--) {
+			/* Exchange TxDummy for location (keymap[kbddata]) */
+			kbd_data = jornada_ssp_byte(TXDUMMY);
+			scan_code = kbd_data & 0x7f;
+
+			input_event(input, EV_MSC, MSC_SCAN, scan_code);
+			input_report_key(input, jornadakbd->keymap[scan_code],
+					 !(kbd_data & 0x80));
+			input_sync(input);
+		}
+	}
+
+	/* release spinlock and turn off ssp */
+	jornada_ssp_end();
+
+	return IRQ_HANDLED;
+};
+
+static int __devinit jornada720_kbd_probe(struct platform_device *pdev)
+{
+	struct jornadakbd *jornadakbd;
+	struct input_dev *input_dev;
+	int i, err;
+
+	jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!jornadakbd || !input_dev) {
+		err = -ENOMEM;
+		goto fail1;
+	}
+
+	platform_set_drvdata(pdev, jornadakbd);
+
+	memcpy(jornadakbd->keymap, jornada_std_keymap,
+		sizeof(jornada_std_keymap));
+	jornadakbd->input = input_dev;
+
+	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+	input_dev->name = "HP Jornada 720 keyboard";
+	input_dev->phys = "jornadakbd/input0";
+	input_dev->keycode = jornadakbd->keymap;
+	input_dev->keycodesize = sizeof(unsigned short);
+	input_dev->keycodemax = ARRAY_SIZE(jornada_std_keymap);
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->dev.parent = &pdev->dev;
+
+	for (i = 0; i < ARRAY_SIZE(jornadakbd->keymap); i++)
+		__set_bit(jornadakbd->keymap[i], input_dev->keybit);
+	__clear_bit(KEY_RESERVED, input_dev->keybit);
+
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+
+	err = request_irq(IRQ_GPIO0,
+			  jornada720_kbd_interrupt,
+			  IRQF_TRIGGER_FALLING,
+			  "jornadakbd", pdev);
+	if (err) {
+		printk(KERN_INFO "jornadakbd720_kbd: Unable to grab IRQ\n");
+		goto fail1;
+	}
+
+	err = input_register_device(jornadakbd->input);
+	if (err)
+		goto fail2;
+
+	return 0;
+
+ fail2:	/* IRQ, DEVICE, MEMORY */
+	free_irq(IRQ_GPIO0, pdev);
+ fail1:	/* DEVICE, MEMORY */
+	platform_set_drvdata(pdev, NULL);
+	input_free_device(input_dev);
+	kfree(jornadakbd);
+	return err;
+};
+
+static int __devexit jornada720_kbd_remove(struct platform_device *pdev)
+{
+	struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);
+
+	free_irq(IRQ_GPIO0, pdev);
+	platform_set_drvdata(pdev, NULL);
+	input_unregister_device(jornadakbd->input);
+	kfree(jornadakbd);
+
+	return 0;
+}
+
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:jornada720_kbd");
+
+static struct platform_driver jornada720_kbd_driver = {
+	.driver  = {
+		.name    = "jornada720_kbd",
+		.owner	= THIS_MODULE,
+	 },
+	.probe   = jornada720_kbd_probe,
+	.remove  = __devexit_p(jornada720_kbd_remove),
+};
+module_platform_driver(jornada720_kbd_driver);