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Diffstat (limited to 'ANDROID_3.4.5/drivers/input/keyboard/locomokbd.c')
-rw-r--r--ANDROID_3.4.5/drivers/input/keyboard/locomokbd.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/ANDROID_3.4.5/drivers/input/keyboard/locomokbd.c b/ANDROID_3.4.5/drivers/input/keyboard/locomokbd.c
deleted file mode 100644
index b1ab2986..00000000
--- a/ANDROID_3.4.5/drivers/input/keyboard/locomokbd.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
- * LoCoMo keyboard driver for Linux-based ARM PDAs:
- * - SHARP Zaurus Collie (SL-5500)
- * - SHARP Zaurus Poodle (SL-5600)
- *
- * Copyright (c) 2005 John Lenz
- * Based on from xtkbd.c
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/input.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-
-#include <asm/hardware/locomo.h>
-#include <asm/irq.h>
-
-MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>");
-MODULE_DESCRIPTION("LoCoMo keyboard driver");
-MODULE_LICENSE("GPL");
-
-#define LOCOMOKBD_NUMKEYS 128
-
-#define KEY_ACTIVITY KEY_F16
-#define KEY_CONTACT KEY_F18
-#define KEY_CENTER KEY_F15
-
-static const unsigned char
-locomokbd_keycode[LOCOMOKBD_NUMKEYS] __devinitconst = {
- 0, KEY_ESC, KEY_ACTIVITY, 0, 0, 0, 0, 0, 0, 0, /* 0 - 9 */
- 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_HOME, KEY_CONTACT, /* 10 - 19 */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 29 */
- 0, 0, 0, KEY_CENTER, 0, KEY_MAIL, 0, 0, 0, 0, /* 30 - 39 */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RIGHT, /* 40 - 49 */
- KEY_UP, KEY_LEFT, 0, 0, KEY_P, 0, KEY_O, KEY_I, KEY_Y, KEY_T, /* 50 - 59 */
- KEY_E, KEY_W, 0, 0, 0, 0, KEY_DOWN, KEY_ENTER, 0, 0, /* 60 - 69 */
- KEY_BACKSPACE, 0, KEY_L, KEY_U, KEY_H, KEY_R, KEY_D, KEY_Q, 0, 0, /* 70 - 79 */
- 0, 0, 0, 0, 0, 0, KEY_ENTER, KEY_RIGHTSHIFT, KEY_K, KEY_J, /* 80 - 89 */
- KEY_G, KEY_F, KEY_X, KEY_S, 0, 0, 0, 0, 0, 0, /* 90 - 99 */
- 0, 0, KEY_DOT, 0, KEY_COMMA, KEY_N, KEY_B, KEY_C, KEY_Z, KEY_A, /* 100 - 109 */
- KEY_LEFTSHIFT, KEY_TAB, KEY_LEFTCTRL, 0, 0, 0, 0, 0, 0, 0, /* 110 - 119 */
- KEY_M, KEY_SPACE, KEY_V, KEY_APOSTROPHE, KEY_SLASH, 0, 0, 0 /* 120 - 128 */
-};
-
-#define KB_ROWS 16
-#define KB_COLS 8
-#define KB_ROWMASK(r) (1 << (r))
-#define SCANCODE(c,r) ( ((c)<<4) + (r) + 1 )
-
-#define KB_DELAY 8
-#define SCAN_INTERVAL (HZ/10)
-
-struct locomokbd {
- unsigned char keycode[LOCOMOKBD_NUMKEYS];
- struct input_dev *input;
- char phys[32];
-
- unsigned long base;
- spinlock_t lock;
-
- struct timer_list timer;
- unsigned long suspend_jiffies;
- unsigned int count_cancel;
-};
-
-/* helper functions for reading the keyboard matrix */
-static inline void locomokbd_charge_all(unsigned long membase)
-{
- locomo_writel(0x00FF, membase + LOCOMO_KSC);
-}
-
-static inline void locomokbd_activate_all(unsigned long membase)
-{
- unsigned long r;
-
- locomo_writel(0, membase + LOCOMO_KSC);
- r = locomo_readl(membase + LOCOMO_KIC);
- r &= 0xFEFF;
- locomo_writel(r, membase + LOCOMO_KIC);
-}
-
-static inline void locomokbd_activate_col(unsigned long membase, int col)
-{
- unsigned short nset;
- unsigned short nbset;
-
- nset = 0xFF & ~(1 << col);
- nbset = (nset << 8) + nset;
- locomo_writel(nbset, membase + LOCOMO_KSC);
-}
-
-static inline void locomokbd_reset_col(unsigned long membase, int col)
-{
- unsigned short nbset;
-
- nbset = ((0xFF & ~(1 << col)) << 8) + 0xFF;
- locomo_writel(nbset, membase + LOCOMO_KSC);
-}
-
-/*
- * The LoCoMo keyboard only generates interrupts when a key is pressed.
- * So when a key is pressed, we enable a timer. This timer scans the
- * keyboard, and this is how we detect when the key is released.
- */
-
-/* Scan the hardware keyboard and push any changes up through the input layer */
-static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
-{
- unsigned int row, col, rowd;
- unsigned long flags;
- unsigned int num_pressed;
- unsigned long membase = locomokbd->base;
-
- spin_lock_irqsave(&locomokbd->lock, flags);
-
- locomokbd_charge_all(membase);
-
- num_pressed = 0;
- for (col = 0; col < KB_COLS; col++) {
-
- locomokbd_activate_col(membase, col);
- udelay(KB_DELAY);
-
- rowd = ~locomo_readl(membase + LOCOMO_KIB);
- for (row = 0; row < KB_ROWS; row++) {
- unsigned int scancode, pressed, key;
-
- scancode = SCANCODE(col, row);
- pressed = rowd & KB_ROWMASK(row);
- key = locomokbd->keycode[scancode];
-
- input_report_key(locomokbd->input, key, pressed);
- if (likely(!pressed))
- continue;
-
- num_pressed++;
-
- /* The "Cancel/ESC" key is labeled "On/Off" on
- * Collie and Poodle and should suspend the device
- * if it was pressed for more than a second. */
- if (unlikely(key == KEY_ESC)) {
- if (!time_after(jiffies,
- locomokbd->suspend_jiffies + HZ))
- continue;
- if (locomokbd->count_cancel++
- != (HZ/SCAN_INTERVAL + 1))
- continue;
- input_event(locomokbd->input, EV_PWR,
- KEY_SUSPEND, 1);
- locomokbd->suspend_jiffies = jiffies;
- } else
- locomokbd->count_cancel = 0;
- }
- locomokbd_reset_col(membase, col);
- }
- locomokbd_activate_all(membase);
-
- input_sync(locomokbd->input);
-
- /* if any keys are pressed, enable the timer */
- if (num_pressed)
- mod_timer(&locomokbd->timer, jiffies + SCAN_INTERVAL);
- else
- locomokbd->count_cancel = 0;
-
- spin_unlock_irqrestore(&locomokbd->lock, flags);
-}
-
-/*
- * LoCoMo keyboard interrupt handler.
- */
-static irqreturn_t locomokbd_interrupt(int irq, void *dev_id)
-{
- struct locomokbd *locomokbd = dev_id;
- u16 r;
-
- r = locomo_readl(locomokbd->base + LOCOMO_KIC);
- if ((r & 0x0001) == 0)
- return IRQ_HANDLED;
-
- locomo_writel(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
-
- /** wait chattering delay **/
- udelay(100);
-
- locomokbd_scankeyboard(locomokbd);
- return IRQ_HANDLED;
-}
-
-/*
- * LoCoMo timer checking for released keys
- */
-static void locomokbd_timer_callback(unsigned long data)
-{
- struct locomokbd *locomokbd = (struct locomokbd *) data;
-
- locomokbd_scankeyboard(locomokbd);
-}
-
-static int locomokbd_open(struct input_dev *dev)
-{
- struct locomokbd *locomokbd = input_get_drvdata(dev);
- u16 r;
-
- r = locomo_readl(locomokbd->base + LOCOMO_KIC) | 0x0010;
- locomo_writel(r, locomokbd->base + LOCOMO_KIC);
- return 0;
-}
-
-static void locomokbd_close(struct input_dev *dev)
-{
- struct locomokbd *locomokbd = input_get_drvdata(dev);
- u16 r;
-
- r = locomo_readl(locomokbd->base + LOCOMO_KIC) & ~0x0010;
- locomo_writel(r, locomokbd->base + LOCOMO_KIC);
-}
-
-static int __devinit locomokbd_probe(struct locomo_dev *dev)
-{
- struct locomokbd *locomokbd;
- struct input_dev *input_dev;
- int i, err;
-
- locomokbd = kzalloc(sizeof(struct locomokbd), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!locomokbd || !input_dev) {
- err = -ENOMEM;
- goto err_free_mem;
- }
-
- /* try and claim memory region */
- if (!request_mem_region((unsigned long) dev->mapbase,
- dev->length,
- LOCOMO_DRIVER_NAME(dev))) {
- err = -EBUSY;
- printk(KERN_ERR "locomokbd: Can't acquire access to io memory for keyboard\n");
- goto err_free_mem;
- }
-
- locomo_set_drvdata(dev, locomokbd);
-
- locomokbd->base = (unsigned long) dev->mapbase;
-
- spin_lock_init(&locomokbd->lock);
-
- init_timer(&locomokbd->timer);
- locomokbd->timer.function = locomokbd_timer_callback;
- locomokbd->timer.data = (unsigned long) locomokbd;
-
- locomokbd->suspend_jiffies = jiffies;
-
- locomokbd->input = input_dev;
- strcpy(locomokbd->phys, "locomokbd/input0");
-
- input_dev->name = "LoCoMo keyboard";
- input_dev->phys = locomokbd->phys;
- input_dev->id.bustype = BUS_HOST;
- input_dev->id.vendor = 0x0001;
- input_dev->id.product = 0x0001;
- input_dev->id.version = 0x0100;
- input_dev->open = locomokbd_open;
- input_dev->close = locomokbd_close;
- input_dev->dev.parent = &dev->dev;
-
- input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
- BIT_MASK(EV_PWR);
- input_dev->keycode = locomokbd->keycode;
- input_dev->keycodesize = sizeof(locomokbd_keycode[0]);
- input_dev->keycodemax = ARRAY_SIZE(locomokbd_keycode);
-
- input_set_drvdata(input_dev, locomokbd);
-
- memcpy(locomokbd->keycode, locomokbd_keycode, sizeof(locomokbd->keycode));
- for (i = 0; i < LOCOMOKBD_NUMKEYS; i++)
- set_bit(locomokbd->keycode[i], input_dev->keybit);
- clear_bit(0, input_dev->keybit);
-
- /* attempt to get the interrupt */
- err = request_irq(dev->irq[0], locomokbd_interrupt, 0, "locomokbd", locomokbd);
- if (err) {
- printk(KERN_ERR "locomokbd: Can't get irq for keyboard\n");
- goto err_release_region;
- }
-
- err = input_register_device(locomokbd->input);
- if (err)
- goto err_free_irq;
-
- return 0;
-
- err_free_irq:
- free_irq(dev->irq[0], locomokbd);
- err_release_region:
- release_mem_region((unsigned long) dev->mapbase, dev->length);
- locomo_set_drvdata(dev, NULL);
- err_free_mem:
- input_free_device(input_dev);
- kfree(locomokbd);
-
- return err;
-}
-
-static int __devexit locomokbd_remove(struct locomo_dev *dev)
-{
- struct locomokbd *locomokbd = locomo_get_drvdata(dev);
-
- free_irq(dev->irq[0], locomokbd);
-
- del_timer_sync(&locomokbd->timer);
-
- input_unregister_device(locomokbd->input);
- locomo_set_drvdata(dev, NULL);
-
- release_mem_region((unsigned long) dev->mapbase, dev->length);
-
- kfree(locomokbd);
-
- return 0;
-}
-
-static struct locomo_driver keyboard_driver = {
- .drv = {
- .name = "locomokbd"
- },
- .devid = LOCOMO_DEVID_KEYBOARD,
- .probe = locomokbd_probe,
- .remove = __devexit_p(locomokbd_remove),
-};
-
-static int __init locomokbd_init(void)
-{
- return locomo_driver_register(&keyboard_driver);
-}
-
-static void __exit locomokbd_exit(void)
-{
- locomo_driver_unregister(&keyboard_driver);
-}
-
-module_init(locomokbd_init);
-module_exit(locomokbd_exit);
generated by cgit (git 2.34.1) at 2025-01-23 17:19:33 +0000