016bc2452f
Reading from /dev/r0Btn only allowed to read one button at a time. Reading GPIO directly via ioctl() doesn't have this limitation. This adds a more complete GPIO list also. Change-Id: If47b0846472f0817305dbf930731255f875e0269 Author: Lorenzo Miori
87 lines
3 KiB
C
87 lines
3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: button-sdl.c 30482 2011-09-08 14:53:28Z kugel $
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*
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* Copyright (C) 2011 Lorenzo Miori
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "button.h"
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#include "kernel.h"
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#include "system.h"
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#include "button-target.h"
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#include <gpio_ypr0.h> /* For headphones sense and buttons */
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int button_read_device(void)
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{
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int key = BUTTON_NONE;
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/* Check for all the keys */
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_USER_KEY, 0, 0)) {
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key |= BUTTON_USER;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_CENTRAL_KEY, 0, 0)) {
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key |= BUTTON_SELECT;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_UP_KEY, 0, 0)) {
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key |= BUTTON_UP;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_DOWN_KEY, 0, 0)) {
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key |= BUTTON_DOWN;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_LEFT_KEY, 0, 0)) {
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key |= BUTTON_LEFT;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_RIGHT_KEY, 0, 0)) {
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key |= BUTTON_RIGHT;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_MENU_KEY, 0, 0)) {
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key |= BUTTON_MENU;
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}
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if (!gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_BACK_KEY, 0, 0)) {
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key |= BUTTON_BACK;
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}
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if (gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_POWER_KEY, 0, 0)) {
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key |= BUTTON_POWER;
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}
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return key;
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}
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bool headphones_inserted(void)
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{
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/* GPIO low - 0 - means headphones inserted */
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return !gpio_control(DEV_CTRL_GPIO_IS_HIGH, GPIO_HEADPHONE_SENSE, 0, 0);
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}
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void button_init_device(void)
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{
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/* Setup GPIO pin for headphone sense, copied from OF */
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gpio_control(DEV_CTRL_GPIO_SET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
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gpio_control(DEV_CTRL_GPIO_SET_INPUT, GPIO_HEADPHONE_SENSE, CONFIG_SION, PAD_CTL_47K_PU);
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/* No need to initialize any GPIO pin, since this is done loading the r0Btn module */
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}
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#ifdef BUTTON_DRIVER_CLOSE
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/* I'm not sure it's called at shutdown...give a check! */
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void button_close_device(void)
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{
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/* Don't know the precise meaning, but it's done as in the OF, so copied there */
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gpio_control(DEV_CTRL_GPIO_UNSET_MUX, GPIO_HEADPHONE_SENSE, CONFIG_SION, 0);
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}
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#endif /* BUTTON_DRIVER_CLOSE */
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