summaryrefslogtreecommitdiff
path: root/packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch')
-rw-r--r--packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch515
1 files changed, 515 insertions, 0 deletions
diff --git a/packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch b/packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch
new file mode 100644
index 0000000000..00bac40db5
--- /dev/null
+++ b/packages/linux/linux-rp-2.6.19+git/tosa-keyboard-r18.patch
@@ -0,0 +1,515 @@
+ drivers/input/keyboard/Kconfig | 12 -
+ drivers/input/keyboard/Makefile | 1
+ drivers/input/keyboard/tosakbd.c | 467 +++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 479 insertions(+), 1 deletion(-)
+
+Index: git/drivers/input/keyboard/Kconfig
+===================================================================
+--- git.orig/drivers/input/keyboard/Kconfig 2006-10-31 16:08:57.000000000 +0000
++++ git/drivers/input/keyboard/Kconfig 2006-11-07 22:13:10.000000000 +0000
+@@ -148,12 +148,22 @@ config KEYBOARD_SPITZ
+ depends on PXA_SHARPSL
+ default y
+ help
+- Say Y here to enable the keyboard on the Sharp Zaurus SL-C1000,
++ Say Y here to enable the keyboard on the Sharp Zaurus SL-C1000,
+ SL-C3000 and Sl-C3100 series of PDAs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called spitzkbd.
+
++config KEYBOARD_TOSA
++ tristate "Tosa keyboard"
++ depends on PXA_SHARPSL
++ default y
++ help
++ Say Y here to enable the keyboard on the Sharp Zaurus SL-6000x (Tosa)
++
++ To compile this driver as a module, choose M here: the
++ module will be called tosakbd.
++
+ config KEYBOARD_AMIGA
+ tristate "Amiga keyboard"
+ depends on AMIGA
+Index: git/drivers/input/keyboard/Makefile
+===================================================================
+--- git.orig/drivers/input/keyboard/Makefile 2006-10-31 16:08:57.000000000 +0000
++++ git/drivers/input/keyboard/Makefile 2006-11-07 22:13:10.000000000 +0000
+@@ -17,4 +17,5 @@ obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkb
+ obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
+ obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
+ obj-$(CONFIG_KEYBOARD_OMAP) += omap-keypad.o
++obj-$(CONFIG_KEYBOARD_TOSA) += tosakbd.o
+
+Index: git/drivers/input/keyboard/tosakbd.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ git/drivers/input/keyboard/tosakbd.c 2006-11-07 23:27:19.000000000 +0000
+@@ -0,0 +1,467 @@
++/*
++ * Keyboard driver for Sharp Tosa models (SL-6000x)
++ *
++ * Copyright (c) 2005 Dirk Opfer
++ *
++ * Based on xtkbd.c/locomkbd.c/corgikbd.c
++ *
++ * 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.
++ *
++ */
++
++#include <linux/delay.h>
++#include <linux/platform_device.h>
++#include <linux/init.h>
++#include <linux/input.h>
++#include <linux/interrupt.h>
++#include <linux/jiffies.h>
++#include <linux/module.h>
++#include <linux/slab.h>
++
++#include <asm/arch/tosa.h>
++#include <asm/arch/hardware.h>
++#include <asm/arch/pxa-regs.h>
++
++
++#define TOSA_KEY_STROBE_NUM (11)
++#define TOSA_KEY_SENSE_NUM (7)
++
++#define KEYMASK_ON (0x1<<0)
++#define KEYMASK_REC (0x1<<1)
++#define KEYMASK_SYNC (0x1<<2)
++
++#define KB_ROWS 7
++#define KB_COLS 11
++#define KB_ROWMASK(r) (1 << (r))
++#define SCANCODE(r,c) ( ((r)<<4) + (c) + 1 )
++#define NR_SCANCODES (SCANCODE(KB_ROWS-1,KB_COLS)+1+1)
++
++#define SCAN_INTERVAL (HZ/10)
++#define HP_SCAN_INTERVAL (150) /* ms */
++#define HP_STABLE_COUNT 2
++
++#define TOSA_KEY_CALENDER KEY_F1
++#define TOSA_KEY_ADDRESS KEY_F2
++#define TOSA_KEY_FN KEY_F3
++#define TOSA_KEY_CANCEL KEY_F4
++#define TOSA_KEY_OFF KEY_SUSPEND
++#define TOSA_KEY_CENTER KEY_F5
++#define TOSA_KEY_REC KEY_F6
++#define TOSA_KEY_LIGHT KEY_F7
++#define TOSA_KEY_RECORD KEY_F8
++#define TOSA_KEY_HOME KEY_F9
++#define TOSA_KEY_MAIL KEY_F10
++#define TOSA_KEY_OK KEY_F11
++#define TOSA_KEY_MENU KEY_F12
++#define TOSA_KEY_SYNC KEY_F13
++
++#define GET_ROWS_STATUS(c) ((GPLR2 & TOSA_GPIO_ALL_SENSE_BIT) >> TOSA_GPIO_ALL_SENSE_RSHIFT)
++#define KB_DISCHARGE_DELAY 10
++#define KB_ACTIVATE_DELAY 10
++
++
++static unsigned char tosakbd_keycode[NR_SCANCODES] = {
++ 0, /* 0 */
++ 0, KEY_W, 0, 0, 0, KEY_K, KEY_BACKSPACE, KEY_P, 0, 0, 0, TOSA_KEY_OFF, 0, 0, 0, 0, /*1 - 16*/
++ KEY_Q, KEY_E, KEY_T, KEY_Y, 0, KEY_O, KEY_I, KEY_COMMA, 0, 0, 0, TOSA_KEY_RECORD, 0, 0, 0, 0, /*17 - 32*/
++ KEY_A, KEY_D, KEY_G, KEY_U, 0, KEY_L, KEY_ENTER, KEY_DOT, 0, 0, 0, TOSA_KEY_SYNC, 0, 0, 0, 0, /*33 - 48*/
++ KEY_Z, KEY_C, KEY_V, KEY_J, TOSA_KEY_ADDRESS, TOSA_KEY_CANCEL, TOSA_KEY_CENTER, TOSA_KEY_OK, KEY_LEFTSHIFT, 0 , 0,0 , 0, 0, 0, 0, /*49 - 64*/
++ KEY_S, KEY_R, KEY_B, KEY_N, TOSA_KEY_CALENDER, TOSA_KEY_HOME, TOSA_KEY_REC, TOSA_KEY_LIGHT, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /*65 - 80*/
++ KEY_TAB, KEY_SLASH, KEY_H, KEY_M, TOSA_KEY_MENU, 0, KEY_UP, 0, 0, 0, TOSA_KEY_FN, 0, 0, 0, 0, 0, /*81 - 96*/
++ KEY_X, KEY_F, KEY_SPACE, KEY_APOSTROPHE, TOSA_KEY_MAIL, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, /*97 - 109*/
++};
++
++struct tosakbd {
++ unsigned char keycode[ARRAY_SIZE(tosakbd_keycode)];
++ struct input_dev *input;
++
++ spinlock_t lock;
++ struct timer_list timer;
++ struct timer_list hptimer;
++
++ int hp_state;
++ int hp_count;
++
++ unsigned int suspended;
++ unsigned long suspend_jiffies;
++};
++
++/* Helper functions for reading the keyboard matrix
++ * Note: We should really be using pxa_gpio_mode to alter GPDR but it
++ * requires a function call per GPIO bit which is excessive
++ * when we need to access 12 bits at once, multiple times.
++ * These functions must be called within local_irq_save()/local_irq_restore()
++ * or similar.
++ */
++static inline void tosakbd_discharge_all(void)
++{
++ /* STROBE All HiZ */
++ GPCR1 = TOSA_GPIO_HIGH_STROBE_BIT;
++ GPDR1 &= ~TOSA_GPIO_HIGH_STROBE_BIT;
++ GPCR2 = TOSA_GPIO_LOW_STROBE_BIT;
++ GPDR2 &= ~TOSA_GPIO_LOW_STROBE_BIT;
++}
++
++static inline void tosakbd_activate_all(void)
++{
++ /* STROBE ALL -> High */
++ GPSR1 = TOSA_GPIO_HIGH_STROBE_BIT;
++ GPDR1 |= TOSA_GPIO_HIGH_STROBE_BIT;
++ GPSR2 = TOSA_GPIO_LOW_STROBE_BIT;
++ GPDR2 |= TOSA_GPIO_LOW_STROBE_BIT;
++
++ udelay(KB_DISCHARGE_DELAY);
++
++ /* STATE CLEAR */
++ GEDR2 |= TOSA_GPIO_ALL_SENSE_BIT;
++}
++
++static inline void tosakbd_activate_col(int col)
++{
++ if (col<=5) {
++ /* STROBE col -> High, not col -> HiZ */
++ GPSR1 = TOSA_GPIO_STROBE_BIT(col);
++ GPDR1 = (GPDR1 & ~TOSA_GPIO_HIGH_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
++ } else {
++ /* STROBE col -> High, not col -> HiZ */
++ GPSR2 = TOSA_GPIO_STROBE_BIT(col);
++ GPDR2 = (GPDR2 & ~TOSA_GPIO_LOW_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
++ }
++}
++
++static inline void tosakbd_reset_col(int col)
++{
++ if (col<=5) {
++ /* STROBE col -> Low */
++ GPCR1 = TOSA_GPIO_STROBE_BIT(col);
++ /* STROBE col -> out, not col -> HiZ */
++ GPDR1 = (GPDR1 & ~TOSA_GPIO_HIGH_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
++ } else {
++ /* STROBE col -> Low */
++ GPCR2 = TOSA_GPIO_STROBE_BIT(col);
++ /* STROBE col -> out, not col -> HiZ */
++ GPDR2 = (GPDR2 & ~TOSA_GPIO_LOW_STROBE_BIT) | TOSA_GPIO_STROBE_BIT(col);
++ }
++}
++
++/*
++ * Read the GPIOs for POWER, RECORD and SYNC
++ */
++static int read_port_key_status_raw(void)
++{
++ int val=0;
++
++ /* Power key */
++ if ((GPLR0 & GPIO_bit(TOSA_GPIO_ON_KEY))==0)
++ val |= KEYMASK_ON;
++ /* Record key */
++ if ((GPLR0 & GPIO_bit(TOSA_GPIO_RECORD_BTN))==0)
++ val |= KEYMASK_REC;
++ /* Sync key */
++ if ((GPLR0 & GPIO_bit(TOSA_GPIO_SYNC))==0)
++ val |= KEYMASK_SYNC;
++ return val;
++}
++
++
++/*
++ * The tosa 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 tosakbd_scankeyboard(struct tosakbd *tosakbd_data)
++{
++ unsigned int row, col, rowd;
++ unsigned long flags;
++ unsigned int num_pressed = 0;
++
++ if (tosakbd_data->suspended)
++ return;
++
++ spin_lock_irqsave(&tosakbd_data->lock, flags);
++
++ for (col = 0; col < KB_COLS; col++) {
++ /*
++ * Discharge the output driver capacitatance
++ * in the keyboard matrix. (Yes it is significant..)
++ */
++ tosakbd_discharge_all();
++ udelay(KB_DISCHARGE_DELAY);
++
++ tosakbd_activate_col( col);
++ udelay(KB_ACTIVATE_DELAY);
++
++ rowd = GET_ROWS_STATUS(col);
++
++ for (row = 0; row < KB_ROWS; row++) {
++ unsigned int scancode, pressed;
++ scancode = SCANCODE(row, col);
++ pressed = rowd & KB_ROWMASK(row);
++ input_report_key(tosakbd_data->input, tosakbd_data->keycode[scancode], pressed);
++ if (pressed)
++ num_pressed++;
++ }
++
++ tosakbd_reset_col(col);
++ }
++
++ tosakbd_activate_all();
++
++ rowd = read_port_key_status_raw();
++
++ for (row = 0; row < 3; row++ ) {
++ unsigned int scancode, pressed;
++ scancode = SCANCODE(row, KB_COLS);
++ pressed = rowd & KB_ROWMASK(row);
++ input_report_key(tosakbd_data->input, tosakbd_data->keycode[scancode], pressed);
++ if (pressed)
++ num_pressed++;
++
++ if (pressed && (tosakbd_data->keycode[scancode] == TOSA_KEY_OFF)
++ && time_after(jiffies, tosakbd_data->suspend_jiffies + msecs_to_jiffies(1000))) {
++ input_event(tosakbd_data->input, EV_PWR, TOSA_KEY_OFF, 1);
++ tosakbd_data->suspend_jiffies = jiffies;
++ }
++ }
++
++ input_sync(tosakbd_data->input);
++
++ /* if any keys are pressed, enable the timer */
++ if (num_pressed)
++ mod_timer(&tosakbd_data->timer, jiffies + SCAN_INTERVAL);
++
++ spin_unlock_irqrestore(&tosakbd_data->lock, flags);
++}
++
++/*
++ * tosa keyboard interrupt handler.
++ */
++static irqreturn_t tosakbd_interrupt(int irq, void *dev_id)
++{
++ struct tosakbd *tosakbd_data = dev_id;
++
++ if (!timer_pending(&tosakbd_data->timer))
++ {
++ /** wait chattering delay **/
++ udelay(20);
++ tosakbd_scankeyboard(tosakbd_data);
++ }
++
++ return IRQ_HANDLED;
++}
++
++/*
++ * tosa timer checking for released keys
++ */
++static void tosakbd_timer_callback(unsigned long data)
++{
++ struct tosakbd *tosakbd_data = (struct tosakbd *) data;
++ tosakbd_scankeyboard(tosakbd_data);
++}
++
++/*
++ * The headphone generates an interrupt.
++ * We debounce the switche and pass them to the input system.
++ */
++
++static irqreturn_t tosakbd_hp_isr(int irq, void *dev_id)
++{
++ struct tosakbd *tosakbd_data = dev_id;
++
++ if (!timer_pending(&tosakbd_data->hptimer))
++ mod_timer(&tosakbd_data->hptimer, jiffies + msecs_to_jiffies(HP_SCAN_INTERVAL));
++
++ return IRQ_HANDLED;
++}
++
++static void tosakbd_hp_timer(unsigned long data)
++{
++ struct tosakbd *tosakbd_data = (struct tosakbd *) data;
++ unsigned long state;
++ unsigned long flags;
++
++ state = (GPLR(TOSA_GPIO_EAR_IN) & GPIO_bit(TOSA_GPIO_EAR_IN));
++ if (state != tosakbd_data->hp_state) {
++ tosakbd_data->hp_count = 0;
++ tosakbd_data->hp_state = state;
++ } else if (tosakbd_data->hp_count < HP_STABLE_COUNT) {
++ tosakbd_data->hp_count++;
++ }
++
++ if (tosakbd_data->hp_count >= HP_STABLE_COUNT) {
++ spin_lock_irqsave(&tosakbd_data->lock, flags);
++
++ input_report_switch(tosakbd_data->input, SW_HEADPHONE_INSERT, ((GPLR(TOSA_GPIO_EAR_IN) & GPIO_bit(TOSA_GPIO_EAR_IN)) == 0));
++ input_sync(tosakbd_data->input);
++
++ spin_unlock_irqrestore(&tosakbd_data->lock, flags);
++ } else {
++ mod_timer(&tosakbd_data->hptimer, jiffies + msecs_to_jiffies(HP_SCAN_INTERVAL));
++ }
++}
++
++#ifdef CONFIG_PM
++static int tosakbd_suspend(struct platform_device *dev, pm_message_t state)
++{
++ struct tosakbd *tosakbd = platform_get_drvdata(dev);
++
++ tosakbd->suspended = 1;
++
++ return 0;
++}
++
++static int tosakbd_resume(struct platform_device *dev)
++{
++ struct tosakbd *tosakbd = platform_get_drvdata(dev);
++
++ /* Upon resume, ignore the suspend key for a short while */
++ tosakbd->suspend_jiffies = jiffies;
++ tosakbd->suspended = 0;
++
++ return 0;
++}
++#else
++#define tosakbd_suspend NULL
++#define tosakbd_resume NULL
++#endif
++
++static int __init tosakbd_probe(struct platform_device *pdev) {
++
++ int i;
++ struct tosakbd *tosakbd;
++ struct input_dev *input_dev;
++
++ tosakbd = kzalloc(sizeof(struct tosakbd), GFP_KERNEL);
++ if (!tosakbd)
++ return -ENOMEM;
++
++ input_dev = input_allocate_device();
++ if (!input_dev) {
++ kfree(tosakbd);
++ return -ENOMEM;
++ }
++
++ platform_set_drvdata(pdev,tosakbd);
++
++ spin_lock_init(&tosakbd->lock);
++
++ /* Init Keyboard rescan timer */
++ init_timer(&tosakbd->timer);
++ tosakbd->timer.function = tosakbd_timer_callback;
++ tosakbd->timer.data = (unsigned long) tosakbd;
++
++ /* Init Headphone Timer */
++ init_timer(&tosakbd->hptimer);
++ tosakbd->hptimer.function = tosakbd_hp_timer;
++ tosakbd->hptimer.data = (unsigned long) tosakbd;
++
++ tosakbd->suspend_jiffies = jiffies;
++
++ tosakbd->input = input_dev;
++
++ input_dev->private = tosakbd;
++ input_dev->name = "Tosa Keyboard";
++ input_dev->phys = "tosakbd/input0";
++ input_dev->cdev.dev = &pdev->dev;
++
++ input_dev->id.bustype = BUS_HOST;
++ input_dev->id.vendor = 0x0001;
++ input_dev->id.product = 0x0001;
++ input_dev->id.version = 0x0100;
++
++ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR) | BIT(EV_SW);
++ input_dev->keycode = tosakbd->keycode;
++ input_dev->keycodesize = sizeof(unsigned char);
++ input_dev->keycodemax = ARRAY_SIZE(tosakbd_keycode);
++
++ memcpy(tosakbd->keycode, tosakbd_keycode, sizeof(tosakbd->keycode));
++ for (i = 0; i < ARRAY_SIZE(tosakbd_keycode); i++)
++ set_bit(tosakbd->keycode[i], input_dev->keybit);
++ clear_bit(0, input_dev->keybit);
++ set_bit(SW_HEADPHONE_INSERT, input_dev->swbit);
++
++ input_register_device(tosakbd->input);
++
++ /* Setup sense interrupts - RisingEdge Detect, sense lines as inputs */
++ for (i = 0; i < TOSA_KEY_SENSE_NUM; i++) {
++ pxa_gpio_mode( TOSA_GPIO_KEY_SENSE(i) | GPIO_IN);
++ if (request_irq(TOSA_IRQ_GPIO_KEY_SENSE(i), tosakbd_interrupt,
++ SA_INTERRUPT | SA_TRIGGER_RISING, "tosakbd", tosakbd)) {
++ printk("tosakbd: Can't get IRQ: %d !\n", i);
++ }
++ }
++
++ /* Set Strobe lines as outputs - set high */
++ for (i = 0; i < TOSA_KEY_STROBE_NUM; i++) {
++ pxa_gpio_mode( TOSA_GPIO_KEY_STROBE(i) | GPIO_OUT | GPIO_DFLT_HIGH);
++ }
++
++ // Power&Rec Button
++ pxa_gpio_mode( TOSA_GPIO_ON_KEY | GPIO_IN);
++ pxa_gpio_mode( TOSA_GPIO_RECORD_BTN | GPIO_IN);
++ pxa_gpio_mode( TOSA_GPIO_SYNC | GPIO_IN);
++ pxa_gpio_mode( TOSA_GPIO_EAR_IN | GPIO_IN);
++
++ if (request_irq(TOSA_IRQ_GPIO_ON_KEY, tosakbd_interrupt, SA_INTERRUPT | SA_TRIGGER_FALLING, "On key", tosakbd) ||
++ request_irq(TOSA_IRQ_GPIO_RECORD_BTN, tosakbd_interrupt, SA_INTERRUPT | SA_TRIGGER_FALLING, "Record key", tosakbd) ||
++ request_irq(TOSA_IRQ_GPIO_SYNC, tosakbd_interrupt, SA_INTERRUPT | SA_TRIGGER_FALLING, "Sync key", tosakbd) ||
++ request_irq(TOSA_IRQ_GPIO_EAR_IN, tosakbd_hp_isr, SA_INTERRUPT | SA_TRIGGER_FALLING, "HP in", tosakbd)) {
++ printk("Could not allocate KEYBD IRQ!\n");
++ }
++
++ printk(KERN_INFO "input: Tosa Keyboard Registered\n");
++
++ return 0;
++}
++
++static int tosakbd_remove(struct platform_device *dev) {
++
++ int i;
++ struct tosakbd *tosakbd = platform_get_drvdata(dev);
++
++ for (i = 0; i < TOSA_KEY_SENSE_NUM; i++)
++ free_irq(TOSA_IRQ_GPIO_KEY_SENSE(i),tosakbd);
++
++ free_irq(TOSA_IRQ_GPIO_ON_KEY,tosakbd);
++ free_irq(TOSA_IRQ_GPIO_RECORD_BTN,tosakbd);
++ free_irq(TOSA_IRQ_GPIO_SYNC,tosakbd);
++
++ del_timer_sync(&tosakbd->timer);
++
++ input_unregister_device(tosakbd->input);
++
++ kfree(tosakbd);
++
++ return 0;
++}
++
++static struct platform_driver tosakbd_driver = {
++ .probe = tosakbd_probe,
++ .remove = tosakbd_remove,
++ .suspend = tosakbd_suspend,
++ .resume = tosakbd_resume,
++ .driver = {
++ .name = "tosa-keyboard",
++ },
++};
++
++static int __devinit tosakbd_init(void)
++{
++ return platform_driver_register(&tosakbd_driver);
++}
++
++static void __exit tosakbd_exit(void)
++{
++ platform_driver_unregister(&tosakbd_driver);
++}
++
++module_init(tosakbd_init);
++module_exit(tosakbd_exit);
++
++MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>");
++MODULE_DESCRIPTION("Tosa Keyboard Driver");
++MODULE_LICENSE("GPLv2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 04:21:44 +0000