arch/arm/mach-omap2/board-omap3pandora-input.c

   1 /*
   2  * board-omap3pandora-input.c
   3  *
   4  * Input mapping for Pandora handheld console
   5  * Author: Grazvydas Ignotas <notasas@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  *
  21  */
  22
  23 #include <linux/platform_device.h>
  24 #include <linux/input.h>
  25 #include <linux/gpio_keys.h>
  26
  27 #include <mach/hardware.h>
  28 #include <mach/keypad.h>
  29 #include <mach/gpio.h>
  30
  31 /* hardware debounce, (value + 1) * 31us */
  32 #define GPIO_DEBOUNCE_TIME 0x7f
  33
  34 static int omap3pandora_keymap[] = {
  35         /* col, row, code */
  36         KEY(0, 0, KEY_9),
  37         KEY(0, 1, KEY_0),
  38         KEY(0, 2, KEY_BACKSPACE),
  39         KEY(0, 3, KEY_O),
  40         KEY(0, 4, KEY_P),
  41         KEY(0, 5, KEY_K),
  42         KEY(0, 6, KEY_L),
  43         KEY(0, 7, KEY_ENTER),
  44         KEY(1, 0, KEY_8),
  45         KEY(1, 1, KEY_7),
  46         KEY(1, 2, KEY_6),
  47         KEY(1, 3, KEY_5),
  48         KEY(1, 4, KEY_4),
  49         KEY(1, 5, KEY_3),
  50         KEY(1, 6, KEY_2),
  51         KEY(1, 7, KEY_1),
  52         KEY(2, 0, KEY_I),
  53         KEY(2, 1, KEY_U),
  54         KEY(2, 2, KEY_Y),
  55         KEY(2, 3, KEY_T),
  56         KEY(2, 4, KEY_R),
  57         KEY(2, 5, KEY_E),
  58         KEY(2, 6, KEY_W),
  59         KEY(2, 7, KEY_Q),
  60         KEY(3, 0, KEY_J),
  61         KEY(3, 1, KEY_H),
  62         KEY(3, 2, KEY_G),
  63         KEY(3, 3, KEY_F),
  64         KEY(3, 4, KEY_D),
  65         KEY(3, 5, KEY_S),
  66         KEY(3, 6, KEY_A),
  67         KEY(3, 7, KEY_LEFTSHIFT),
  68         KEY(4, 0, KEY_N),
  69         KEY(4, 1, KEY_B),
  70         KEY(4, 2, KEY_V),
  71         KEY(4, 3, KEY_C),
  72         KEY(4, 4, KEY_X),
  73         KEY(4, 5, KEY_Z),
  74         KEY(4, 6, KEY_DOT),
  75         KEY(4, 7, KEY_COMMA),
  76         KEY(5, 0, KEY_M),
  77         KEY(5, 1, KEY_SPACE),
  78         KEY(5, 2, KEY_SPACE),
  79         KEY(5, 3, KEY_FN),
  80 };
  81
  82 struct twl4030_keypad_data omap3pandora_kp_data = {
  83         .rows           = 8,
  84         .cols           = 6,
  85         .keymap         = omap3pandora_keymap,
  86         .keymapsize     = ARRAY_SIZE(omap3pandora_keymap),
  87         .rep            = 1,
  88         .irq            = TWL4030_MODIRQ_KEYPAD,
  89 };
  90
  91 static struct gpio_keys_button gpio_buttons[] = {
  92         {
  93                 .code                   = KEY_UP,
  94                 .gpio                   = 110,
  95                 .active_low             = 1,
  96                 .desc                   = "dpad up",
  97         }, {
  98                 .code                   = KEY_DOWN,
  99                 .gpio                   = 103,
 100                 .active_low             = 1,
 101                 .desc                   = "dpad down",
 102         }, {
 103                 .code                   = KEY_LEFT,
 104                 .gpio                   = 96,
 105                 .active_low             = 1,
 106                 .desc                   = "dpad left",
 107         }, {
 108                 .code                   = KEY_RIGHT,
 109                 .gpio                   = 98,
 110                 .active_low             = 1,
 111                 .desc                   = "dpad right",
 112         }, {
 113                 .code                   = KEY_KP2,
 114                 .gpio                   = 111,
 115                 .active_low             = 1,
 116                 .desc                   = "game 2",
 117         }, {
 118                 .code                   = KEY_KP3,
 119                 .gpio                   = 106,
 120                 .active_low             = 1,
 121                 .desc                   = "game 3",
 122         }, {
 123                 .code                   = KEY_KP1,
 124                 .gpio                   = 109,
 125                 .active_low             = 1,
 126                 .desc                   = "game 1",
 127         }, {
 128                 .code                   = KEY_KP4,
 129                 .gpio                   = 101,
 130                 .active_low             = 1,
 131                 .desc                   = "game 4",
 132         }, {
 133                 .code                   = BTN_TL,
 134                 .gpio                   = 102,
 135                 .active_low             = 1,
 136                 .desc                   = "shoulder l",
 137         }, {
 138                 .code                   = BTN_TL2,
 139                 .gpio                   = 97,
 140                 .active_low             = 1,
 141                 .desc                   = "shoulder l2",
 142         }, {
 143                 .code                   = BTN_TR,
 144                 .gpio                   = 105,
 145                 .active_low             = 1,
 146                 .desc                   = "shoulder r",
 147         }, {
 148                 .code                   = BTN_TR2,
 149                 .gpio                   = 107,
 150                 .active_low             = 1,
 151                 .desc                   = "shoulder r2",
 152         }, {
 153                 .code                   = KEY_LEFTALT,
 154                 .gpio                   = 100,
 155                 .active_low             = 1,
 156                 .desc                   = "start",
 157         }, {
 158                 .code                   = KEY_LEFTCTRL,
 159                 .gpio                   = 104,
 160                 .active_low             = 1,
 161                 .desc                   = "select",
 162         }, {
 163                 .code                   = KEY_MENU,
 164                 .gpio                   = 99,
 165                 .active_low             = 1,
 166                 .desc                   = "menu",
 167         }, {
 168                 .code                   = KEY_COFFEE,
 169                 .gpio                   = 176,
 170                 .active_low             = 1,
 171                 .desc                   = "hold",
 172         }, {
 173                 .type                   = EV_SW,
 174                 .code                   = SW_LID,
 175                 .gpio                   = 108,
 176                 .active_low             = 1,
 177                 .desc                   = "lid switch",
 178         },
 179 };
 180
 181 static struct gpio_keys_platform_data gpio_key_info = {
 182         .buttons        = gpio_buttons,
 183         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 184 };
 185
 186 static struct platform_device omap3pandora_keys_gpio = {
 187         .name   = "gpio-keys",
 188         .id     = -1,
 189         .dev    = {
 190                 .platform_data  = &gpio_key_info,
 191         },
 192 };
 193
 194 void __init omap3pandora_input_init(void)
 195 {
 196         int i, ret;
 197
 198         for (i = 0; i < ARRAY_SIZE(gpio_buttons); i++)
 199                 omap_set_gpio_debounce(gpio_buttons[i].gpio, 1);
 200
 201         /* set debounce time for banks 4 and 6 */
 202         omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);
 203         omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);
 204
 205         ret = platform_device_register(&omap3pandora_keys_gpio);
 206         if (ret != 0)
 207                 printk(KERN_ERR "Failed to register gpio-keys\n");
 208 }
 209