Release 4.7 drivers/input/keyboard/jornada720_kbd.c

Directory: drivers/input/keyboard
/*
 * 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/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;
}Contributors
Person Tokens Prop Commits CommitProp
kristoffer ericson kristoffer ericson 115 79.86% 1 50.00%
dmitry torokhov dmitry torokhov 29 20.14% 1 50.00%
Total 144 100.00% 2 100.00%

;



static int 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 */
	input_free_device(input_dev);
	kfree(jornadakbd);
	return err;
}Contributors
Person Tokens Prop Commits CommitProp
kristoffer ericson kristoffer ericson 280 96.89% 1 50.00%
dmitry torokhov dmitry torokhov 9 3.11% 1 50.00%
Total 289 100.00% 2 100.00%

;



static int jornada720_kbd_remove(struct platform_device *pdev)
{
	struct jornadakbd *jornadakbd = platform_get_drvdata(pdev);

	free_irq(IRQ_GPIO0, pdev);
	input_unregister_device(jornadakbd->input);
	kfree(jornadakbd);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
kristoffer ericson kristoffer ericson 43 100.00% 1 100.00%
Total 43 100.00% 1 100.00%

/* work with hotplug and coldplug */
MODULE_ALIAS("platform:jornada720_kbd");


static struct platform_driver jornada720_kbd_driver = {
	.driver  = {
		.name    = "jornada720_kbd",
         },
	.probe   = jornada720_kbd_probe,
	.remove  = jornada720_kbd_remove,
};

module_platform_driver(jornada720_kbd_driver);
Overall Contributors
Person Tokens Prop Commits CommitProp
kristoffer ericson kristoffer ericson 813 93.66% 1 12.50%
dmitry torokhov dmitry torokhov 38 4.38% 1 12.50%
kay sievers kay sievers 6 0.69% 1 12.50%
tejun heo tejun heo 3 0.35% 1 12.50%
rob herring rob herring 3 0.35% 1 12.50%
jj ding jj ding 2 0.23% 1 12.50%
russell king russell king 2 0.23% 1 12.50%
al viro al viro 1 0.12% 1 12.50%
Total 868 100.00% 8 100.00%
  Directory: drivers/input/keyboard

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
kristoffer ericson	kristoffer ericson	115	79.86%	1	50.00%
dmitry torokhov	dmitry torokhov	29	20.14%	1	50.00%
	Total	144	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/input/keyboard/jornada720_kbd.c

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