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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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175
drivers/input/keyboard/jornada720_kbd.c Normal file
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/*
* 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;
};
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;
};
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;
}
/* 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 = jornada720_kbd_remove,
};
module_platform_driver(jornada720_kbd_driver);