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/*
* arch/arm/mach-tegra/board-dalmore-kbc.c
* Keys configuration for Nvidia tegra3 dalmore platform.
*
* Copyright (C) 2012 NVIDIA, Inc.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307, USA
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <mach/io.h>
#include <mach/iomap.h>
#include <mach/kbc.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mfd/palmas.h>
#include "tegra-board-id.h"
#include "board.h"
#include "board-dalmore.h"
#include "devices.h"
#define DALMORE_ROW_COUNT 3
#define DALMORE_COL_COUNT 3
static const u32 kbd_keymap[] = {
KEY(0, 0, KEY_POWER),
KEY(0, 1, KEY_HOME),
KEY(1, 0, KEY_RESERVED),
KEY(1, 1, KEY_VOLUMEDOWN),
KEY(2, 0, KEY_CAMERA),
KEY(2, 1, KEY_VOLUMEUP),
KEY(2, 2, KEY_2),
};
static const struct matrix_keymap_data keymap_data = {
.keymap = kbd_keymap,
.keymap_size = ARRAY_SIZE(kbd_keymap),
};
static struct tegra_kbc_wake_key dalmore_wake_cfg[] = {
[0] = {
.row = 0,
.col = 0,
},
};
static struct tegra_kbc_platform_data dalmore_kbc_platform_data = {
.debounce_cnt = 20 * 32, /* 20 ms debaunce time */
.repeat_cnt = 1,
.scan_count = 30,
.wakeup = true,
.keymap_data = &keymap_data,
.wake_cnt = 1,
.wake_cfg = &dalmore_wake_cfg[0],
.wakeup_key = KEY_POWER,
#ifdef CONFIG_ANDROID
.disable_ev_rep = true,
#endif
};
#define GPIO_KEY(_id, _gpio, _iswake) \
{ \
.code = _id, \
.gpio = TEGRA_GPIO_##_gpio, \
.active_low = 1, \
.desc = #_id, \
.type = EV_KEY, \
.wakeup = _iswake, \
.debounce_interval = 10, \
}
#define GPIO_IKEY(_id, _irq, _iswake, _deb) \
{ \
.code = _id, \
.gpio = -1, \
.irq = _irq, \
.desc = #_id, \
.type = EV_KEY, \
.wakeup = _iswake, \
.debounce_interval = _deb, \
}
static struct gpio_keys_button dalmore_int_keys[] = {
[0] = GPIO_IKEY(KEY_POWER, MAX77663_IRQ_BASE +
MAX77663_IRQ_ONOFF_EN0_FALLING, 0, 100),
[1] = GPIO_IKEY(KEY_POWER, MAX77663_IRQ_BASE +
MAX77663_IRQ_ONOFF_EN0_1SEC, 0, 3000),
};
static struct gpio_keys_button dalmore_e1611_1001_keys[] = {
[0] = GPIO_KEY(KEY_POWER, PQ0, 1),
[1] = GPIO_KEY(KEY_VOLUMEUP, PR2, 0),
[2] = GPIO_KEY(KEY_VOLUMEDOWN, PR1, 0),
[3] = GPIO_KEY(KEY_HOME, PI5, 0),
};
static struct gpio_keys_platform_data dalmore_int_keys_pdata = {
.buttons = dalmore_int_keys,
.nbuttons = ARRAY_SIZE(dalmore_int_keys),
};
static struct gpio_keys_platform_data dalmore_e1611_1001_keys_pdata = {
.buttons = dalmore_e1611_1001_keys,
.nbuttons = ARRAY_SIZE(dalmore_e1611_1001_keys),
};
static struct platform_device dalmore_int_keys_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &dalmore_int_keys_pdata,
},
};
static struct platform_device dalmore_e1611_1001_keys_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &dalmore_e1611_1001_keys_pdata,
},
};
static void __init dalmore_register_kbc(void)
{
struct tegra_kbc_platform_data *data = &dalmore_kbc_platform_data;
int i;
tegra_kbc_device.dev.platform_data = &dalmore_kbc_platform_data;
for (i = 0; i < DALMORE_ROW_COUNT; i++) {
data->pin_cfg[i].num = i;
data->pin_cfg[i].type = PIN_CFG_ROW;
}
for (i = 0; i < DALMORE_COL_COUNT; i++) {
data->pin_cfg[i + KBC_PIN_GPIO_11].num = i;
data->pin_cfg[i + KBC_PIN_GPIO_11].type = PIN_CFG_COL;
}
platform_device_register(&tegra_kbc_device);
}
int __init dalmore_kbc_init(void)
{
struct board_info board_info;
tegra_get_board_info(&board_info);
pr_info("Boardid:SKU = 0x%04x:0x%04x\n", board_info.board_id, board_info.sku);
if (board_info.board_id == BOARD_E1613) {
platform_device_register(&dalmore_int_keys_device);
dalmore_register_kbc();
return 0;
}
if ((board_info.board_id == BOARD_E1611) && (board_info.sku == 1000)) {
dalmore_register_kbc();
} else {
int ret;
ret = gpio_request(TEGRA_GPIO_PR0, "row0");
if (ret < 0) {
pr_err("gpio_request for PR0 failed: %d\n", ret);
} else {
gpio_direction_output(TEGRA_GPIO_PR0, 0);
}
platform_device_register(&dalmore_e1611_1001_keys_device);
}
return 0;
}
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