/*
* arch/arm/mach-tegra/board-cardhu-kbc.c
* Keys configuration for Nvidia tegra3 cardhu platform.
*
* Copyright (C) 2011 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 <linux/device.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mfd/tps6591x.h>
#include <linux/mfd/max77663-core.h>
#include <linux/gpio_scrollwheel.h>
#include <mach/irqs.h>
#include <mach/io.h>
#include <mach/iomap.h>
#include <mach/kbc.h>
#include "board.h"
#include "board-cardhu.h"
#include "gpio-names.h"
#include "devices.h"
#define CARDHU_PM269_ROW_COUNT 2
#define CARDHU_PM269_COL_COUNT 4
static const u32 kbd_keymap[] = {
KEY(0, 0, KEY_POWER),
KEY(0, 1, KEY_RESERVED),
KEY(0, 2, KEY_VOLUMEUP),
KEY(0, 3, KEY_VOLUMEDOWN),
KEY(1, 0, KEY_HOME),
KEY(1, 1, KEY_MENU),
KEY(1, 2, KEY_BACK),
KEY(1, 3, KEY_SEARCH),
};
static const struct matrix_keymap_data keymap_data = {
.keymap = kbd_keymap,
.keymap_size = ARRAY_SIZE(kbd_keymap),
};
static struct tegra_kbc_wake_key cardhu_wake_cfg[] = {
[0] = {
.row = 0,
.col = 0,
},
};
static struct tegra_kbc_platform_data cardhu_kbc_platform_data = {
.debounce_cnt = 20 * 32, /* 20ms debounce time */
.repeat_cnt = 1,
.scan_count = 30,
.wakeup = true,
.keymap_data = &keymap_data,
.wake_cnt = 1,
.wake_cfg = &cardhu_wake_cfg[0],
#ifdef CONFIG_ANDROID
.disable_ev_rep = true,
#endif
};
int __init cardhu_kbc_init(void)
{
struct tegra_kbc_platform_data *data = &cardhu_kbc_platform_data;
int i;
struct board_info board_info;
tegra_get_board_info(&board_info);
if ((board_info.board_id == BOARD_E1198) ||
(board_info.board_id == BOARD_E1291))
return 0;
pr_info("Registering tegra-kbc\n");
tegra_kbc_device.dev.platform_data = &cardhu_kbc_platform_data;
for (i = 0; i < CARDHU_PM269_ROW_COUNT; i++) {
data->pin_cfg[i].num = i;
data->pin_cfg[i].is_row = true;
data->pin_cfg[i].en = true;
}
for (i = 0; i < CARDHU_PM269_COL_COUNT; i++) {
data->pin_cfg[i + KBC_PIN_GPIO_16].num = i;
data->pin_cfg[i + KBC_PIN_GPIO_16].en = true;
}
platform_device_register(&tegra_kbc_device);
return 0;
}
int __init cardhu_scroll_init(void)
{
return 0;
}
#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 cardhu_keys_e1198[] = {
[0] = GPIO_KEY(KEY_HOME, PQ0, 0),
[1] = GPIO_KEY(KEY_BACK, PQ1, 0),
[2] = GPIO_KEY(KEY_MENU, PQ2, 0),
[3] = GPIO_KEY(KEY_SEARCH, PQ3, 0),
[4] = GPIO_KEY(KEY_VOLUMEUP, PR0, 0),
[5] = GPIO_KEY(KEY_VOLUMEDOWN, PR1, 0),
[6] = GPIO_KEY(KEY_POWER, PV0, 1),
[7] = GPIO_IKEY(KEY_POWER, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON, 1, 100),
};
static struct gpio_keys_platform_data cardhu_keys_e1198_pdata = {
.buttons = cardhu_keys_e1198,
.nbuttons = ARRAY_SIZE(cardhu_keys_e1198),
};
static struct platform_device cardhu_keys_e1198_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &cardhu_keys_e1198_pdata,
},
};
static struct gpio_keys_button cardhu_keys_e1291[] = {
[0] = GPIO_KEY(KEY_VOLUMEDOWN, PR0, 0),
[1] = GPIO_KEY(KEY_VOLUMEUP, PR1, 0),
[2] = GPIO_KEY(KEY_HOME, PR2, 0),
[3] = GPIO_KEY(KEY_SEARCH, PQ3, 0),
[4] = GPIO_KEY(KEY_BACK, PQ0, 0),
[5] = GPIO_KEY(KEY_MENU, PQ1, 0),
[6] = GPIO_IKEY(KEY_POWER, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON, 1, 100),
};
static struct gpio_keys_button cardhu_keys_e1291_a04[] = {
[0] = GPIO_KEY(KEY_VOLUMEDOWN, PR0, 0),
[1] = GPIO_KEY(KEY_VOLUMEUP, PR1, 0),
[2] = GPIO_KEY(KEY_HOME, PQ2, 0),
[3] = GPIO_KEY(KEY_SEARCH, PQ3, 0),
[4] = GPIO_KEY(KEY_BACK, PQ0, 0),
[5] = GPIO_KEY(KEY_MENU, PQ1, 0),
[6] = GPIO_IKEY(KEY_POWER, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON, 1, 100),
};
static struct gpio_keys_platform_data cardhu_keys_e1291_pdata = {
.buttons = cardhu_keys_e1291,
.nbuttons = ARRAY_SIZE(cardhu_keys_e1291),
};
static struct platform_device cardhu_keys_e1291_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &cardhu_keys_e1291_pdata,
},
};
static struct gpio_keys_button cardhu_int_keys[] = {
[0] = GPIO_IKEY(KEY_POWER, TPS6591X_IRQ_BASE + TPS6591X_INT_PWRON, 1, 100),
};
static struct gpio_keys_button cardhu_pm298_int_keys[] = {
[0] = GPIO_IKEY(KEY_POWER, MAX77663_IRQ_BASE + MAX77663_IRQ_ONOFF_EN0_FALLING, 1, 100),
[1] = GPIO_IKEY(KEY_POWER, MAX77663_IRQ_BASE + MAX77663_IRQ_ONOFF_EN0_1SEC, 1, 3000),
};
static struct gpio_keys_button cardhu_pm299_int_keys[] = {
[0] = GPIO_IKEY(KEY_POWER, RICOH583_IRQ_BASE + RICOH583_IRQ_ONKEY, 1, 100),
};
static struct gpio_keys_platform_data cardhu_int_keys_pdata = {
.buttons = cardhu_int_keys,
.nbuttons = ARRAY_SIZE(cardhu_int_keys),
};
static struct platform_device cardhu_int_keys_device = {
.name = "gpio-keys",
.id = 0,
.dev = {
.platform_data = &cardhu_int_keys_pdata,
},
};
int __init cardhu_keys_init(void)
{
int i;
struct board_info board_info;
struct board_info pmu_board_info;
int gpio_nr;
tegra_get_board_info(&board_info);
if (!((board_info.board_id == BOARD_E1198) ||
(board_info.board_id == BOARD_E1291) ||
(board_info.board_id == BOARD_E1186) ||
(board_info.board_id == BOARD_E1257) ||
(board_info.board_id == BOARD_PM305) ||
(board_info.board_id == BOARD_PM311) ||
(board_info.board_id == BOARD_PM269)))
return 0;
pr_info("Registering gpio keys\n");
if (board_info.board_id == BOARD_E1291) {
if (board_info.fab >= BOARD_FAB_A04) {
cardhu_keys_e1291_pdata.buttons =
cardhu_keys_e1291_a04;
cardhu_keys_e1291_pdata.nbuttons =
ARRAY_SIZE(cardhu_keys_e1291_a04);
}
/* Enable gpio mode for other pins */
for (i = 0; i < cardhu_keys_e1291_pdata.nbuttons; i++) {
gpio_nr = cardhu_keys_e1291_pdata.buttons[i].gpio;
if (gpio_nr < 0) {
if (get_tegra_image_type() == rck_image)
cardhu_keys_e1291_pdata.buttons[i].code
= KEY_ENTER;
} else {
tegra_gpio_enable(gpio_nr);
}
}
platform_device_register(&cardhu_keys_e1291_device);
} else if (board_info.board_id == BOARD_E1198) {
/* For E1198 */
for (i = 0; i < ARRAY_SIZE(cardhu_keys_e1198); i++) {
gpio_nr = cardhu_keys_e1198[i].gpio;
if (gpio_nr < 0) {
if (get_tegra_image_type() == rck_image)
cardhu_keys_e1198[i].code = KEY_ENTER;
} else {
tegra_gpio_enable(gpio_nr);
}
}
platform_device_register(&cardhu_keys_e1198_device);
}
/* Register on-key through pmu interrupt */
tegra_get_pmu_board_info(&pmu_board_info);
if (pmu_board_info.board_id == BOARD_PMU_PM298) {
cardhu_int_keys_pdata.buttons = cardhu_pm298_int_keys;
cardhu_int_keys_pdata.nbuttons =
ARRAY_SIZE(cardhu_pm298_int_keys);
}
if (pmu_board_info.board_id == BOARD_PMU_PM299) {
cardhu_int_keys_pdata.buttons = cardhu_pm299_int_keys;
cardhu_int_keys_pdata.nbuttons =
ARRAY_SIZE(cardhu_pm299_int_keys);
}
if ((board_info.board_id == BOARD_E1257) ||
(board_info.board_id == BOARD_E1186) ||
(board_info.board_id == BOARD_PM305) ||
(board_info.board_id == BOARD_PM311) ||
(board_info.board_id == BOARD_PM269)) {
if (get_tegra_image_type() == rck_image)
cardhu_int_keys[0].code = KEY_ENTER;
platform_device_register(&cardhu_int_keys_device);
}
return 0;
}
