f005d841f2
This patch includes some refactoring: - renaming according to Rockbox guidelines - GPIO code merging, still with target defines - some simplification in firmware/SOURCES Change-Id: I7fd95aece53f40efdf8caac22348376615795431
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id: button-sdl.c 30482 2011-09-08 14:53:28Z kugel $
|
|
*
|
|
* Copyright (C) 2013 Lorenzo Miori
|
|
*
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "config.h"
|
|
#include "button.h"
|
|
#include "kernel.h"
|
|
#include "system.h"
|
|
#include "button-target.h"
|
|
|
|
#include "gpio-ypr.h" /* For headphones sense and buttons */
|
|
#include "mcs5000.h" /* Touchscreen controller */
|
|
|
|
enum {
|
|
STATE_UNKNOWN,
|
|
STATE_UP,
|
|
STATE_DOWN,
|
|
};
|
|
|
|
static int last_x = 0;
|
|
static int last_y = 0;
|
|
static int last_touch_state = STATE_UNKNOWN;
|
|
|
|
int button_read_device(int *data)
|
|
{
|
|
int key = BUTTON_NONE;
|
|
int read_size;
|
|
struct mcs5000_raw_data touchpad_data;
|
|
|
|
/* Check for all the keys */
|
|
if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_VOL_UP_KEY, 0, 0)) {
|
|
key |= BUTTON_VOL_UP;
|
|
}
|
|
if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_VOL_DOWN_KEY, 0, 0)) {
|
|
key |= BUTTON_VOL_DOWN;
|
|
}
|
|
if (gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_POWER_KEY, 0, 0)) {
|
|
key |= BUTTON_POWER;
|
|
}
|
|
|
|
read_size = mcs5000_read(&touchpad_data);
|
|
|
|
if (read_size == sizeof(struct mcs5000_raw_data)) {
|
|
/* Generate UP and DOWN events */
|
|
if (touchpad_data.inputInfo & INPUT_TYPE_SINGLE) {
|
|
last_touch_state = STATE_DOWN;
|
|
}
|
|
else {
|
|
last_touch_state = STATE_UP;
|
|
}
|
|
/* Swap coordinates here */
|
|
#if CONFIG_ORIENTATION == SCREEN_PORTRAIT
|
|
last_x = (touchpad_data.yHigh << 8) | touchpad_data.yLow;
|
|
last_y = (touchpad_data.xHigh << 8) | touchpad_data.xLow;
|
|
#else
|
|
last_x = (touchpad_data.xHigh << 8) | touchpad_data.xLow;
|
|
last_y = (touchpad_data.yHigh << 8) | touchpad_data.yLow;
|
|
#endif
|
|
}
|
|
|
|
int tkey = touchscreen_to_pixels(last_x, last_y, data);
|
|
|
|
if (last_touch_state == STATE_DOWN) {
|
|
key |= tkey;
|
|
}
|
|
|
|
return key;
|
|
}
|
|
|
|
#ifndef HAS_BUTTON_HOLD
|
|
void touchscreen_enable_device(bool en)
|
|
{
|
|
if (en) {
|
|
mcs5000_power();
|
|
}
|
|
else {
|
|
mcs5000_shutdown();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
bool headphones_inserted(void)
|
|
{
|
|
/* GPIO low - 0 - means headphones inserted */
|
|
return !gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_HEADPHONE_SENSE, 0, 0);
|
|
}
|
|
|
|
void button_init_device(void)
|
|
{
|
|
/* Setup GPIO pin for headphone sense, copied from OF
|
|
* Pins for the other buttons are already set up by OF button module
|
|
*/
|
|
gpio_control(DEV_CTRL_GPIO_SET_MUX, GPIO_HEADPHONE_SENSE, 4, 0);
|
|
gpio_control(DEV_CTRL_GPIO_SET_INPUT, GPIO_HEADPHONE_SENSE, 4, 0);
|
|
|
|
/* Turn on touchscreen */
|
|
mcs5000_init();
|
|
mcs5000_power();
|
|
mcs5000_set_hand(RIGHT_HAND);
|
|
}
|
|
|
|
#ifdef BUTTON_DRIVER_CLOSE
|
|
/* I'm not sure it's called at shutdown...give a check! */
|
|
void button_close_device(void)
|
|
{
|
|
gpio_control(DEV_CTRL_GPIO_UNSET_MUX, GPIO_HEADPHONE_SENSE, 0, 0);
|
|
|
|
/* Turn off touchscreen device */
|
|
mcs5000_shutdown();
|
|
mcs5000_close();
|
|
}
|
|
#endif /* BUTTON_DRIVER_CLOSE */
|