recipes/linux/omap3-pandora-kernel/keypad/0001-input-remove-old-twl4030keypad-to-replace-it-with-ma.patch

   1 From 917491ccf4546bbd34d999cd4878c3b10b621c1c Mon Sep 17 00:00:00 2001
   2 From: Grazvydas Ignotas <notasas@gmail.com>
   3 Date: Tue, 3 Nov 2009 15:15:00 +0200
   4 Subject: [PATCH 1/7] input: remove old twl4030keypad to replace it with mainline version
   5
   6 ---
   7  drivers/input/keyboard/Kconfig              |   10 -
   8  drivers/input/keyboard/Makefile             |    1 -
   9  drivers/input/keyboard/omap-twl4030keypad.c |  422 ---------------------------
  10  drivers/input/keyboard/twl4030-keypad.h     |   82 ------
  11  4 files changed, 0 insertions(+), 515 deletions(-)
  12  delete mode 100644 drivers/input/keyboard/omap-twl4030keypad.c
  13  delete mode 100644 drivers/input/keyboard/twl4030-keypad.h
  14
  15 diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
  16 index 616ce41..59ad05a 100644
  17 --- a/drivers/input/keyboard/Kconfig
  18 +++ b/drivers/input/keyboard/Kconfig
  19 @@ -259,16 +259,6 @@ config KEYBOARD_OMAP
  20           To compile this driver as a module, choose M here: the
  21           module will be called omap-keypad.
  22
  23 -config KEYBOARD_TWL4030
  24 -       tristate "TI TWL4030 keypad support"
  25 -       depends on TWL4030_CORE && (MACH_OMAP_2430SDP || MACH_OMAP2EVM || MACH_OMAP_3430SDP || MACH_OMAP3EVM || MACH_OMAP3_PANDORA)
  26 -       help
  27 -         Say Y here if you want to use the OMAP TWL4030 keypad.
  28 -
  29 -         To compile this driver as a module, choose M here: the
  30 -         module will be called omap-twl4030keypad. This driver depends on
  31 -         TWL4030 Core and TWL4030 GPIO I2C client driver
  32 -
  33  config OMAP_PS2
  34         tristate "TI OMAP Innovator 1510 PS/2 keyboard & mouse support"
  35         depends on ARCH_OMAP15XX && MACH_OMAP_INNOVATOR
  36 diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
  37 index ae47fff..81e59f7 100644
  38 --- a/drivers/input/keyboard/Makefile
  39 +++ b/drivers/input/keyboard/Makefile
  40 @@ -22,7 +22,6 @@ obj-$(CONFIG_KEYBOARD_OMAP)           += omap-keypad.o
  41  obj-$(CONFIG_OMAP_PS2)                 += innovator_ps2.o
  42  obj-$(CONFIG_KEYBOARD_TSC2301)         += tsc2301_kp.o
  43  obj-$(CONFIG_KEYBOARD_LM8323)          += lm8323.o
  44 -obj-$(CONFIG_KEYBOARD_TWL4030)         += omap-twl4030keypad.o
  45  obj-$(CONFIG_KEYBOARD_PXA27x)          += pxa27x_keypad.o
  46  obj-$(CONFIG_KEYBOARD_AAED2000)                += aaed2000_kbd.o
  47  obj-$(CONFIG_KEYBOARD_GPIO)            += gpio_keys.o
  48 diff --git a/drivers/input/keyboard/omap-twl4030keypad.c b/drivers/input/keyboard/omap-twl4030keypad.c
  49 deleted file mode 100644
  50 index f6f1ad8..0000000
  51 --- a/drivers/input/keyboard/omap-twl4030keypad.c
  52 +++ /dev/null
  53 @@ -1,422 +0,0 @@
  54 -/*
  55 - * drivers/input/keyboard/omap-twl4030keypad.c
  56 - *
  57 - * Copyright (C) 2007 Texas Instruments, Inc.
  58 - * Copyright (C) 2008 Nokia Corporation
  59 - *
  60 - * Code re-written for 2430SDP by:
  61 - * Syed Mohammed Khasim <x0khasim@ti.com>
  62 - *
  63 - * Initial Code:
  64 - * Manjunatha G K <manjugk@ti.com>
  65 - *
  66 - * This program is free software; you can redistribute it and/or modify
  67 - * it under the terms of the GNU General Public License as published by
  68 - * the Free Software Foundation; either version 2 of the License, or
  69 - * (at your option) any later version.
  70 - *
  71 - * This program is distributed in the hope that it will be useful,
  72 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
  73 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  74 - * GNU General Public License for more details.
  75 - *
  76 - * You should have received a copy of the GNU General Public License
  77 - * along with this program; if not, write to the Free Software
  78 - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  79 - */
  80 -
  81 -#include <linux/module.h>
  82 -#include <linux/init.h>
  83 -#include <linux/interrupt.h>
  84 -#include <linux/types.h>
  85 -#include <linux/input.h>
  86 -#include <linux/kernel.h>
  87 -#include <linux/mutex.h>
  88 -#include <linux/delay.h>
  89 -#include <linux/bitops.h>
  90 -#include <linux/platform_device.h>
  91 -#include <linux/i2c.h>
  92 -#include <linux/i2c/twl4030.h>
  93 -#include <linux/irq.h>
  94 -#include "twl4030-keypad.h"
  95 -
  96 -#define PTV_PRESCALER          4
  97 -
  98 -#define MAX_ROWS               8 /* TWL4030 hardlimit */
  99 -#define ROWCOL_MASK            0xFF000000
 100 -#define KEYNUM_MASK            0x00FFFFFF
 101 -#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
 102 -
 103 -/* Global variables */
 104 -
 105 -struct omap_keypad {
 106 -       int             *keymap;
 107 -       unsigned int    keymapsize;
 108 -       u16             kp_state[MAX_ROWS];
 109 -       int             n_rows;
 110 -       int             n_cols;
 111 -       int             irq;
 112 -
 113 -       struct device   *dbg_dev;
 114 -       struct input_dev *omap_twl4030kp;
 115 -
 116 -       /* sync read/write */
 117 -       struct mutex    mutex;
 118 -};
 119 -
 120 -static int twl4030_kpread(struct omap_keypad *kp,
 121 -               u32 module, u8 *data, u32 reg, u8 num_bytes)
 122 -{
 123 -       int ret;
 124 -
 125 -       ret = twl4030_i2c_read(module, data, reg, num_bytes);
 126 -       if (ret < 0) {
 127 -               dev_warn(kp->dbg_dev,
 128 -                       "Couldn't read TWL4030: %X - ret %d[%x]\n",
 129 -                        reg, ret, ret);
 130 -               return ret;
 131 -       }
 132 -       return ret;
 133 -}
 134 -
 135 -static int twl4030_kpwrite_u8(struct omap_keypad *kp,
 136 -               u32 module, u8 data, u32 reg)
 137 -{
 138 -       int ret;
 139 -
 140 -       ret = twl4030_i2c_write_u8(module, data, reg);
 141 -       if (ret < 0) {
 142 -               dev_warn(kp->dbg_dev,
 143 -                       "Could not write TWL4030: %X - ret %d[%x]\n",
 144 -                        reg, ret, ret);
 145 -               return ret;
 146 -       }
 147 -       return ret;
 148 -}
 149 -
 150 -static int omap_kp_find_key(struct omap_keypad *kp, int col, int row)
 151 -{
 152 -       int i, rc;
 153 -
 154 -       rc = KEY(col, row, 0);
 155 -       for (i = 0; i < kp->keymapsize; i++)
 156 -               if ((kp->keymap[i] & ROWCOL_MASK) == rc)
 157 -                       return kp->keymap[i] & KEYNUM_MASK;
 158 -
 159 -       return -EINVAL;
 160 -}
 161 -
 162 -static inline u16 omap_kp_col_xlate(struct omap_keypad *kp, u8 col)
 163 -{
 164 -       /* If all bits in a row are active for all coloumns then
 165 -        * we have that row line connected to gnd. Mark this
 166 -        * key on as if it was on matrix position n_cols (ie
 167 -        * one higher than the size of the matrix).
 168 -        */
 169 -       if (col == 0xFF)
 170 -               return 1 << kp->n_cols;
 171 -       else
 172 -               return col & ((1 << kp->n_cols) - 1);
 173 -}
 174 -
 175 -static int omap_kp_read_kp_matrix_state(struct omap_keypad *kp, u16 *state)
 176 -{
 177 -       u8 new_state[MAX_ROWS];
 178 -       int row;
 179 -       int ret = twl4030_kpread(kp, TWL4030_MODULE_KEYPAD,
 180 -                                new_state, KEYP_FULL_CODE_7_0, kp->n_rows);
 181 -       if (ret >= 0) {
 182 -               for (row = 0; row < kp->n_rows; row++)
 183 -                       state[row] = omap_kp_col_xlate(kp, new_state[row]);
 184 -       }
 185 -       return ret;
 186 -}
 187 -
 188 -static int omap_kp_is_in_ghost_state(struct omap_keypad *kp, u16 *key_state)
 189 -{
 190 -       int i;
 191 -       u16 check = 0;
 192 -
 193 -       for (i = 0; i < kp->n_rows; i++) {
 194 -               u16 col = key_state[i];
 195 -
 196 -               if ((col & check) && hweight16(col) > 1)
 197 -                       return 1;
 198 -               check |= col;
 199 -       }
 200 -
 201 -       return 0;
 202 -}
 203 -
 204 -static void twl4030_kp_scan(struct omap_keypad *kp, int release_all)
 205 -{
 206 -       u16 new_state[MAX_ROWS];
 207 -       int col, row;
 208 -
 209 -       if (release_all)
 210 -               memset(new_state, 0, sizeof(new_state));
 211 -       else {
 212 -               /* check for any changes */
 213 -               int ret = omap_kp_read_kp_matrix_state(kp, new_state);
 214 -               if (ret < 0)    /* panic ... */
 215 -                       return;
 216 -
 217 -               if (omap_kp_is_in_ghost_state(kp, new_state))
 218 -                       return;
 219 -       }
 220 -
 221 -       mutex_lock(&kp->mutex);
 222 -
 223 -       /* check for changes and print those */
 224 -       for (row = 0; row < kp->n_rows; row++) {
 225 -               int changed = new_state[row] ^ kp->kp_state[row];
 226 -
 227 -               if (!changed)
 228 -                       continue;
 229 -
 230 -               for (col = 0; col < kp->n_cols; col++) {
 231 -                       int key;
 232 -
 233 -                       if (!(changed & (1 << col)))
 234 -                               continue;
 235 -
 236 -                       dev_dbg(kp->dbg_dev, "key [%d:%d] %s\n", row, col,
 237 -                               (new_state[row] & (1 << col)) ?
 238 -                               "press" : "release");
 239 -
 240 -                       key = omap_kp_find_key(kp, col, row);
 241 -                       if (key < 0)
 242 -                               dev_warn(kp->dbg_dev,
 243 -                                       "Spurious key event %d-%d\n",
 244 -                                        col, row);
 245 -                       else
 246 -                               input_report_key(kp->omap_twl4030kp, key,
 247 -                                                new_state[row] & (1 << col));
 248 -               }
 249 -               kp->kp_state[row] = new_state[row];
 250 -       }
 251 -
 252 -       mutex_unlock(&kp->mutex);
 253 -}
 254 -
 255 -/*
 256 - * Keypad interrupt handler
 257 - */
 258 -static irqreturn_t do_kp_irq(int irq, void *_kp)
 259 -{
 260 -       struct omap_keypad *kp = _kp;
 261 -       u8 reg;
 262 -       int ret;
 263 -
 264 -#ifdef CONFIG_LOCKDEP
 265 -       /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
 266 -        * we don't want and can't tolerate.  Although it might be
 267 -        * friendlier not to borrow this thread context...
 268 -        */
 269 -       local_irq_enable();
 270 -#endif
 271 -
 272 -       /* Read & Clear TWL4030 pending interrupt */
 273 -       ret = twl4030_kpread(kp, TWL4030_MODULE_KEYPAD, &reg, KEYP_ISR1, 1);
 274 -
 275 -       /* Release all keys if I2C has gone bad or
 276 -        * the KEYP has gone to idle state */
 277 -       if ((ret >= 0) && (reg & KEYP_IMR1_KP))
 278 -               twl4030_kp_scan(kp, 0);
 279 -       else
 280 -               twl4030_kp_scan(kp, 1);
 281 -
 282 -       return IRQ_HANDLED;
 283 -}
 284 -
 285 -/*
 286 - * Registers keypad device with input sub system
 287 - * and configures TWL4030 keypad registers
 288 - */
 289 -static int __init omap_kp_probe(struct platform_device *pdev)
 290 -{
 291 -       u8 reg;
 292 -       int i;
 293 -       int ret = 0;
 294 -       struct omap_keypad *kp;
 295 -       struct twl4030_keypad_data *pdata = pdev->dev.platform_data;
 296 -
 297 -       kp = kzalloc(sizeof(*kp), GFP_KERNEL);
 298 -       if (!kp)
 299 -               return -ENOMEM;
 300 -
 301 -       if (!pdata->rows || !pdata->cols || !pdata->keymap) {
 302 -               dev_err(&pdev->dev, "No rows, cols or keymap from pdata\n");
 303 -               kfree(kp);
 304 -               return -EINVAL;
 305 -       }
 306 -
 307 -       dev_set_drvdata(&pdev->dev, kp);
 308 -
 309 -       /* Get the debug Device */
 310 -       kp->dbg_dev = &pdev->dev;
 311 -
 312 -       kp->omap_twl4030kp = input_allocate_device();
 313 -       if (!kp->omap_twl4030kp) {
 314 -               kfree(kp);
 315 -               return -ENOMEM;
 316 -       }
 317 -
 318 -       mutex_init(&kp->mutex);
 319 -
 320 -       kp->keymap = pdata->keymap;
 321 -       kp->keymapsize = pdata->keymapsize;
 322 -       kp->n_rows = pdata->rows;
 323 -       kp->n_cols = pdata->cols;
 324 -       kp->irq = pdata->irq;
 325 -
 326 -       /* setup input device */
 327 -       set_bit(EV_KEY, kp->omap_twl4030kp->evbit);
 328 -
 329 -       /* Enable auto repeat feature of Linux input subsystem */
 330 -       if (pdata->rep)
 331 -               set_bit(EV_REP, kp->omap_twl4030kp->evbit);
 332 -
 333 -       for (i = 0; i < kp->keymapsize; i++)
 334 -               set_bit(kp->keymap[i] & KEYNUM_MASK,
 335 -                               kp->omap_twl4030kp->keybit);
 336 -
 337 -       kp->omap_twl4030kp->name        = "omap_twl4030keypad";
 338 -       kp->omap_twl4030kp->phys        = "omap_twl4030keypad/input0";
 339 -       kp->omap_twl4030kp->dev.parent  = &pdev->dev;
 340 -
 341 -       kp->omap_twl4030kp->id.bustype  = BUS_HOST;
 342 -       kp->omap_twl4030kp->id.vendor   = 0x0001;
 343 -       kp->omap_twl4030kp->id.product  = 0x0001;
 344 -       kp->omap_twl4030kp->id.version  = 0x0003;
 345 -
 346 -       kp->omap_twl4030kp->keycode     = kp->keymap;
 347 -       kp->omap_twl4030kp->keycodesize = sizeof(unsigned int);
 348 -       kp->omap_twl4030kp->keycodemax  = kp->keymapsize;
 349 -
 350 -       ret = input_register_device(kp->omap_twl4030kp);
 351 -       if (ret < 0) {
 352 -               dev_err(kp->dbg_dev,
 353 -                       "Unable to register twl4030 keypad device\n");
 354 -               goto err2;
 355 -       }
 356 -
 357 -       /* Disable auto-repeat */
 358 -       reg = KEYP_CTRL_NOAUTORPT;
 359 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD, reg, KEYP_CTRL);
 360 -       if (ret < 0)
 361 -               goto err3;
 362 -
 363 -       /* Enable TO rising and KP rising and falling edge detection */
 364 -       reg = KEYP_EDR_KP_BOTH | KEYP_EDR_TO_RISING;
 365 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD, reg, KEYP_EDR);
 366 -       if (ret < 0)
 367 -               goto err3;
 368 -
 369 -       /* Set PTV prescaler Field */
 370 -       reg = (PTV_PRESCALER << KEYP_LK_PTV_PTV_SHIFT);
 371 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD, reg, KEYP_LK_PTV);
 372 -       if (ret < 0)
 373 -               goto err3;
 374 -
 375 -       /* Set key debounce time to 20 ms */
 376 -       i = KEYP_PERIOD_US(20000, PTV_PRESCALER);
 377 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD, i, KEYP_DEB);
 378 -       if (ret < 0)
 379 -               goto err3;
 380 -
 381 -       /* Set timeout period to 100 ms */
 382 -       i = KEYP_PERIOD_US(200000, PTV_PRESCALER);
 383 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD,
 384 -                                (i & 0xFF), KEYP_TIMEOUT_L);
 385 -       if (ret < 0)
 386 -               goto err3;
 387 -
 388 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD,
 389 -                                (i >> 8), KEYP_TIMEOUT_H);
 390 -       if (ret < 0)
 391 -               goto err3;
 392 -
 393 -       /* Enable Clear-on-Read */
 394 -       reg = KEYP_SIH_CTRL_COR | KEYP_SIH_CTRL_PEND_DIS;
 395 -       ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD,
 396 -                                reg, KEYP_SIH_CTRL);
 397 -       if (ret < 0)
 398 -               goto err3;
 399 -
 400 -       /*
 401 -        * This ISR will always execute in kernel thread context because of
 402 -        * the need to access the TWL4030 over the I2C bus.
 403 -        */
 404 -       ret = request_irq(kp->irq, do_kp_irq, 0, pdev->name, kp);
 405 -       if (ret < 0) {
 406 -               dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
 407 -                       kp->irq);
 408 -               goto err3;
 409 -       } else {
 410 -               /* Enable KP and TO interrupts now. */
 411 -               reg = ~(KEYP_IMR1_KP | KEYP_IMR1_TO);
 412 -               ret = twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD,
 413 -                                        reg, KEYP_IMR1);
 414 -               if (ret < 0)
 415 -                       goto err5;
 416 -       }
 417 -
 418 -       ret = omap_kp_read_kp_matrix_state(kp, kp->kp_state);
 419 -       if (ret < 0)
 420 -               goto err4;
 421 -
 422 -       return ret;
 423 -err5:
 424 -       /* mask all events - we don't care about the result */
 425 -       (void) twl4030_kpwrite_u8(kp, TWL4030_MODULE_KEYPAD, 0xff, KEYP_IMR1);
 426 -err4:
 427 -       free_irq(kp->irq, NULL);
 428 -err3:
 429 -       input_unregister_device(kp->omap_twl4030kp);
 430 -err2:
 431 -       input_free_device(kp->omap_twl4030kp);
 432 -
 433 -       return -ENODEV;
 434 -}
 435 -
 436 -static int omap_kp_remove(struct platform_device *pdev)
 437 -{
 438 -       struct omap_keypad *kp = dev_get_drvdata(&pdev->dev);
 439 -
 440 -       free_irq(kp->irq, kp);
 441 -       input_unregister_device(kp->omap_twl4030kp);
 442 -       kfree(kp);
 443 -
 444 -       return 0;
 445 -}
 446 -
 447 -
 448 -static struct platform_driver omap_kp_driver = {
 449 -       .probe          = omap_kp_probe,
 450 -       .remove         = __devexit_p(omap_kp_remove),
 451 -       .driver         = {
 452 -               .name   = "twl4030_keypad",
 453 -               .owner  = THIS_MODULE,
 454 -       },
 455 -};
 456 -
 457 -/*
 458 - * OMAP TWL4030 Keypad init
 459 - */
 460 -static int __devinit omap_kp_init(void)
 461 -{
 462 -       return platform_driver_register(&omap_kp_driver);
 463 -}
 464 -
 465 -static void __exit omap_kp_exit(void)
 466 -{
 467 -       platform_driver_unregister(&omap_kp_driver);
 468 -}
 469 -
 470 -module_init(omap_kp_init);
 471 -module_exit(omap_kp_exit);
 472 -MODULE_ALIAS("platform:twl4030_keypad");
 473 -MODULE_AUTHOR("Texas Instruments");
 474 -MODULE_DESCRIPTION("OMAP TWL4030 Keypad Driver");
 475 -MODULE_LICENSE("GPL");
 476 diff --git a/drivers/input/keyboard/twl4030-keypad.h b/drivers/input/keyboard/twl4030-keypad.h
 477 deleted file mode 100644
 478 index b903a77..0000000
 479 --- a/drivers/input/keyboard/twl4030-keypad.h
 480 +++ /dev/null
 481 @@ -1,82 +0,0 @@
 482 -/*
 483 - * drivers/input/keyboard/twl4030-keypad.h
 484 - *
 485 - * Copyright (C) 2006-2007 Texas Instruments, Inc.
 486 - *
 487 - * Intial Code:
 488 - *     Syed Mohammed Khasim <x0khasim@ti.com>
 489 - *
 490 - * This program is free software; you can redistribute it and/or modify
 491 - * it under the terms of the GNU General Public License as published by
 492 - * the Free Software Foundation; either version 2 of the License, or
 493 - * (at your option) any later version.
 494 - *
 495 - * This program is distributed in the hope that it will be useful,
 496 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
 497 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 498 - * GNU General Public License for more details.
 499 - *
 500 - * You should have received a copy of the GNU General Public License
 501 - * along with this program; if not, write to the Free Software
 502 - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 503 - */
 504 -#ifndef __TWL4030_KEYPAD_H__
 505 -#define __TWL4030_KEYPAD_H__
 506 -
 507 -/* Register Definitions */
 508 -#define KEYP_CTRL                              0x00
 509 -#define KEYP_DEB                               0x01
 510 -#define KEYP_LONG_KEY                          0x02
 511 -#define KEYP_LK_PTV                            0x03
 512 -#define KEYP_TIMEOUT_L                         0x04
 513 -#define KEYP_TIMEOUT_H                         0x05
 514 -#define KEYP_FULL_CODE_7_0                     0x09
 515 -#define KEYP_ISR1                              0x11
 516 -#define KEYP_IMR1                              0x12
 517 -#define KEYP_EDR                               0x16
 518 -#define KEYP_SIH_CTRL                          0x17
 519 -
 520 -/* KEYP_CTRL_REG Fields */
 521 -#define KEYP_CTRL_SOFT_NRST                    0x01
 522 -#define KEYP_CTRL_SOFTMODEN                    0x02
 523 -#define KEYP_CTRL_LK_EN                                0x04
 524 -#define KEYP_CTRL_TOE_EN                       0x08
 525 -#define KEYP_CTRL_TOLE_EN                      0x10
 526 -#define KEYP_CTRL_RP_EN                                0x20
 527 -#define KEYP_CTRL_KBD_ON                       0x40
 528 -
 529 -
 530 -#define KEYP_CTRL_NOAUTORPT                    (KEYP_CTRL_SOFT_NRST |  \
 531 -                                                KEYP_CTRL_SOFTMODEN |  \
 532 -                                                KEYP_CTRL_TOE_EN |     \
 533 -                                                KEYP_CTRL_KBD_ON)
 534 -
 535 -/* KEYP_DEB, KEYP_LONG_KEY, KEYP_TIMEOUT_x*/
 536 -#define KEYP_PERIOD_US(T, prescale)            (T / (31 << (prescale + 1)) - 1)
 537 -
 538 -/* KEYP_LK_PTV_REG Fields */
 539 -#define KEYP_LK_PTV_PTV_SHIFT                  5
 540 -
 541 -/* KEYP_IMR1 Fields */
 542 -#define KEYP_IMR1_MIS                          0x08
 543 -#define KEYP_IMR1_TO                           0x04
 544 -#define KEYP_IMR1_LK                           0x02
 545 -#define KEYP_IMR1_KP                           0x01
 546 -
 547 -/* KEYP_EDR Fields */
 548 -#define KEYP_EDR_KP_FALLING                    0x01
 549 -#define KEYP_EDR_KP_RISING                     0x02
 550 -#define KEYP_EDR_KP_BOTH                       0x03
 551 -#define KEYP_EDR_LK_FALLING                    0x04
 552 -#define KEYP_EDR_LK_RISING                     0x08
 553 -#define KEYP_EDR_TO_FALLING                    0x10
 554 -#define KEYP_EDR_TO_RISING                     0x20
 555 -#define KEYP_EDR_MIS_FALLING                   0x40
 556 -#define KEYP_EDR_MIS_RISING                    0x80
 557 -
 558 -/* KEYP_SIH_CTRL Fields */
 559 -#define KEYP_SIH_CTRL_COR                      0x04
 560 -#define KEYP_SIH_CTRL_PEND_DIS                 0x02
 561 -#define KEYP_SIH_CTRL_EXCL_EN                  0x01
 562 -
 563 -#endif /* End of __TWL4030-KEYPAD_H__ */
 564 --
 565 1.6.3.1
 566