input: remove obsolete {corgi,spitz,tosa}kbd.c

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 0 insertions, 496 deletions

diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
deleted file mode 100644
index 1396742..0000000
--- a/drivers/input/keyboard/spitzkbd.c
+++ /dev/null
@@ -1,496 +0,0 @@
-/*
- *  Keyboard driver for Sharp Spitz, Borzoi and Akita (SL-Cxx00 series)
- *
- *  Copyright (c) 2005 Richard Purdie
- *
- *  Based on 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 <mach/spitz.h>
-#include <mach/pxa2xx-gpio.h>
-
-#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		((KB_ROWS<<4) + 1)
-
-#define SCAN_INTERVAL		(50) /* ms */
-#define HINGE_SCAN_INTERVAL	(150) /* ms */
-
-#define SPITZ_KEY_CALENDER	KEY_F1
-#define SPITZ_KEY_ADDRESS	KEY_F2
-#define SPITZ_KEY_FN		KEY_F3
-#define SPITZ_KEY_CANCEL	KEY_F4
-#define SPITZ_KEY_EXOK		KEY_F5
-#define SPITZ_KEY_EXCANCEL	KEY_F6
-#define SPITZ_KEY_EXJOGDOWN	KEY_F7
-#define SPITZ_KEY_EXJOGUP	KEY_F8
-#define SPITZ_KEY_JAP1		KEY_LEFTALT
-#define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
-#define SPITZ_KEY_SYNC		KEY_F9
-#define SPITZ_KEY_MAIL		KEY_F10
-#define SPITZ_KEY_OK		KEY_F11
-#define SPITZ_KEY_MENU		KEY_F12
-
-static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
-	0,                                                                                                                /* 0 */
-	KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0,  /* 1-16 */
-	0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
-	KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0,                                 /* 33-48 */
-	SPITZ_KEY_ADDRESS, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0,         /* 49-64 */
-	SPITZ_KEY_CALENDER, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0,	  /* 65-80 */
-	SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0,      /* 81-96 */
-	KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0  /* 97-112 */
-};
-
-static int spitz_strobes[] = {
-	SPITZ_GPIO_KEY_STROBE0,
-	SPITZ_GPIO_KEY_STROBE1,
-	SPITZ_GPIO_KEY_STROBE2,
-	SPITZ_GPIO_KEY_STROBE3,
-	SPITZ_GPIO_KEY_STROBE4,
-	SPITZ_GPIO_KEY_STROBE5,
-	SPITZ_GPIO_KEY_STROBE6,
-	SPITZ_GPIO_KEY_STROBE7,
-	SPITZ_GPIO_KEY_STROBE8,
-	SPITZ_GPIO_KEY_STROBE9,
-	SPITZ_GPIO_KEY_STROBE10,
-};
-
-static int spitz_senses[] = {
-	SPITZ_GPIO_KEY_SENSE0,
-	SPITZ_GPIO_KEY_SENSE1,
-	SPITZ_GPIO_KEY_SENSE2,
-	SPITZ_GPIO_KEY_SENSE3,
-	SPITZ_GPIO_KEY_SENSE4,
-	SPITZ_GPIO_KEY_SENSE5,
-	SPITZ_GPIO_KEY_SENSE6,
-};
-
-struct spitzkbd {
-	unsigned char keycode[ARRAY_SIZE(spitzkbd_keycode)];
-	struct input_dev *input;
-	char phys[32];
-
-	spinlock_t lock;
-	struct timer_list timer;
-	struct timer_list htimer;
-
-	unsigned int suspended;
-	unsigned long suspend_jiffies;
-};
-
-#define KB_DISCHARGE_DELAY	10
-#define KB_ACTIVATE_DELAY	10
-
-/* Helper functions for reading the keyboard matrix
- * Note: We should really be using the generic gpio functions to alter
- *       GPDR but it requires a function call per GPIO bit which is
- *       excessive when we need to access 11 bits at once, multiple times.
- * These functions must be called within local_irq_save()/local_irq_restore()
- * or similar.
- */
-static inline void spitzkbd_discharge_all(void)
-{
-	/* STROBE All HiZ */
-	GPCR0  =  SPITZ_GPIO_G0_STROBE_BIT;
-	GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
-	GPCR1  =  SPITZ_GPIO_G1_STROBE_BIT;
-	GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
-	GPCR2  =  SPITZ_GPIO_G2_STROBE_BIT;
-	GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
-	GPCR3  =  SPITZ_GPIO_G3_STROBE_BIT;
-	GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
-}
-
-static inline void spitzkbd_activate_all(void)
-{
-	/* STROBE ALL -> High */
-	GPSR0  =  SPITZ_GPIO_G0_STROBE_BIT;
-	GPDR0 |=  SPITZ_GPIO_G0_STROBE_BIT;
-	GPSR1  =  SPITZ_GPIO_G1_STROBE_BIT;
-	GPDR1 |=  SPITZ_GPIO_G1_STROBE_BIT;
-	GPSR2  =  SPITZ_GPIO_G2_STROBE_BIT;
-	GPDR2 |=  SPITZ_GPIO_G2_STROBE_BIT;
-	GPSR3  =  SPITZ_GPIO_G3_STROBE_BIT;
-	GPDR3 |=  SPITZ_GPIO_G3_STROBE_BIT;
-
-	udelay(KB_DISCHARGE_DELAY);
-
-	/* Clear any interrupts we may have triggered when altering the GPIO lines */
-	GEDR0 = SPITZ_GPIO_G0_SENSE_BIT;
-	GEDR1 = SPITZ_GPIO_G1_SENSE_BIT;
-	GEDR2 = SPITZ_GPIO_G2_SENSE_BIT;
-	GEDR3 = SPITZ_GPIO_G3_SENSE_BIT;
-}
-
-static inline void spitzkbd_activate_col(int col)
-{
-	int gpio = spitz_strobes[col];
-	GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
-	GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
-	GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
-	GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
-	GPSR(gpio) = GPIO_bit(gpio);
-	GPDR(gpio) |= GPIO_bit(gpio);
-}
-
-static inline void spitzkbd_reset_col(int col)
-{
-	int gpio = spitz_strobes[col];
-	GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
-	GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
-	GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
-	GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
-	GPCR(gpio) = GPIO_bit(gpio);
-	GPDR(gpio) |= GPIO_bit(gpio);
-}
-
-static inline int spitzkbd_get_row_status(int col)
-{
-	return ((GPLR0 >> 12) & 0x01) | ((GPLR0 >> 16) & 0x02)
-		| ((GPLR2 >> 25) & 0x04) | ((GPLR1 << 1) & 0x08)
-		| ((GPLR1 >> 0) & 0x10) | ((GPLR1 >> 1) & 0x60);
-}
-
-/*
- * The spitz keyboard only generates interrupts when a key is pressed.
- * When a key is pressed, we enable a timer which then scans the
- * keyboard to detect when the key is released.
- */
-
-/* Scan the hardware keyboard and push any changes up through the input layer */
-static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data)
-{
-	unsigned int row, col, rowd;
-	unsigned long flags;
-	unsigned int num_pressed, pwrkey = ((GPLR(SPITZ_GPIO_ON_KEY) & GPIO_bit(SPITZ_GPIO_ON_KEY)) != 0);
-
-	if (spitzkbd_data->suspended)
-		return;
-
-	spin_lock_irqsave(&spitzkbd_data->lock, flags);
-
-	num_pressed = 0;
-	for (col = 0; col < KB_COLS; col++) {
-		/*
-		 * Discharge the output driver capacitatance
-		 * in the keyboard matrix. (Yes it is significant..)
-		 */
-
-		spitzkbd_discharge_all();
-		udelay(KB_DISCHARGE_DELAY);
-
-		spitzkbd_activate_col(col);
-		udelay(KB_ACTIVATE_DELAY);
-
-		rowd = spitzkbd_get_row_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(spitzkbd_data->input, spitzkbd_data->keycode[scancode], pressed);
-
-			if (pressed)
-				num_pressed++;
-		}
-		spitzkbd_reset_col(col);
-	}
-
-	spitzkbd_activate_all();
-
-	input_report_key(spitzkbd_data->input, SPITZ_KEY_SYNC, (GPLR(SPITZ_GPIO_SYNC) & GPIO_bit(SPITZ_GPIO_SYNC)) != 0 );
-	input_report_key(spitzkbd_data->input, KEY_SUSPEND, pwrkey);
-
-	if (pwrkey && time_after(jiffies, spitzkbd_data->suspend_jiffies + msecs_to_jiffies(1000))) {
-		input_event(spitzkbd_data->input, EV_PWR, KEY_SUSPEND, 1);
-		spitzkbd_data->suspend_jiffies = jiffies;
-	}
-
-	input_sync(spitzkbd_data->input);
-
-	/* if any keys are pressed, enable the timer */
-	if (num_pressed)
-		mod_timer(&spitzkbd_data->timer, jiffies + msecs_to_jiffies(SCAN_INTERVAL));
-
-	spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
-}
-
-/*
- * spitz keyboard interrupt handler.
- */
-static irqreturn_t spitzkbd_interrupt(int irq, void *dev_id)
-{
-	struct spitzkbd *spitzkbd_data = dev_id;
-
-	if (!timer_pending(&spitzkbd_data->timer)) {
-		/** wait chattering delay **/
-		udelay(20);
-		spitzkbd_scankeyboard(spitzkbd_data);
-	}
-
-	return IRQ_HANDLED;
-}
-
-/*
- * spitz timer checking for released keys
- */
-static void spitzkbd_timer_callback(unsigned long data)
-{
-	struct spitzkbd *spitzkbd_data = (struct spitzkbd *) data;
-
-	spitzkbd_scankeyboard(spitzkbd_data);
-}
-
-/*
- * The hinge switches generate an interrupt.
- * We debounce the switches and pass them to the input system.
- */
-
-static irqreturn_t spitzkbd_hinge_isr(int irq, void *dev_id)
-{
-	struct spitzkbd *spitzkbd_data = dev_id;
-
-	if (!timer_pending(&spitzkbd_data->htimer))
-		mod_timer(&spitzkbd_data->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
-
-	return IRQ_HANDLED;
-}
-
-#define HINGE_STABLE_COUNT 2
-static int sharpsl_hinge_state;
-static int hinge_count;
-
-static void spitzkbd_hinge_timer(unsigned long data)
-{
-	struct spitzkbd *spitzkbd_data = (struct spitzkbd *) data;
-	unsigned long state;
-	unsigned long flags;
-
-	state = GPLR(SPITZ_GPIO_SWA) & (GPIO_bit(SPITZ_GPIO_SWA)|GPIO_bit(SPITZ_GPIO_SWB));
-	state |= (GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT));
-	if (state != sharpsl_hinge_state) {
-		hinge_count = 0;
-		sharpsl_hinge_state = state;
-	} else if (hinge_count < HINGE_STABLE_COUNT) {
-		hinge_count++;
-	}
-
-	if (hinge_count >= HINGE_STABLE_COUNT) {
-		spin_lock_irqsave(&spitzkbd_data->lock, flags);
-
-		input_report_switch(spitzkbd_data->input, SW_LID, ((GPLR(SPITZ_GPIO_SWA) & GPIO_bit(SPITZ_GPIO_SWA)) != 0));
-		input_report_switch(spitzkbd_data->input, SW_TABLET_MODE, ((GPLR(SPITZ_GPIO_SWB) & GPIO_bit(SPITZ_GPIO_SWB)) != 0));
-		input_report_switch(spitzkbd_data->input, SW_HEADPHONE_INSERT, ((GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT)) != 0));
-		input_sync(spitzkbd_data->input);
-
-		spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
-	} else {
-		mod_timer(&spitzkbd_data->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
-	}
-}
-
-#ifdef CONFIG_PM
-static int spitzkbd_suspend(struct platform_device *dev, pm_message_t state)
-{
-	int i;
-	struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
-	spitzkbd->suspended = 1;
-
-	/* Set Strobe lines as inputs - *except* strobe line 0 leave this
-	   enabled so we can detect a power button press for resume */
-	for (i = 1; i < SPITZ_KEY_STROBE_NUM; i++)
-		pxa_gpio_mode(spitz_strobes[i] | GPIO_IN);
-
-	return 0;
-}
-
-static int spitzkbd_resume(struct platform_device *dev)
-{
-	int i;
-	struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
-
-	for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
-		pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
-
-	/* Upon resume, ignore the suspend key for a short while */
-	spitzkbd->suspend_jiffies = jiffies;
-	spitzkbd->suspended = 0;
-
-	return 0;
-}
-#else
-#define spitzkbd_suspend	NULL
-#define spitzkbd_resume		NULL
-#endif
-
-static int __devinit spitzkbd_probe(struct platform_device *dev)
-{
-	struct spitzkbd *spitzkbd;
-	struct input_dev *input_dev;
-	int i, err = -ENOMEM;
-
-	spitzkbd = kzalloc(sizeof(struct spitzkbd), GFP_KERNEL);
-	input_dev = input_allocate_device();
-	if (!spitzkbd || !input_dev)
-		goto fail;
-
-	platform_set_drvdata(dev, spitzkbd);
-	strcpy(spitzkbd->phys, "spitzkbd/input0");
-
-	spin_lock_init(&spitzkbd->lock);
-
-	/* Init Keyboard rescan timer */
-	init_timer(&spitzkbd->timer);
-	spitzkbd->timer.function = spitzkbd_timer_callback;
-	spitzkbd->timer.data = (unsigned long) spitzkbd;
-
-	/* Init Hinge Timer */
-	init_timer(&spitzkbd->htimer);
-	spitzkbd->htimer.function = spitzkbd_hinge_timer;
-	spitzkbd->htimer.data = (unsigned long) spitzkbd;
-
-	spitzkbd->suspend_jiffies = jiffies;
-
-	spitzkbd->input = input_dev;
-
-	input_dev->name = "Spitz Keyboard";
-	input_dev->phys = spitzkbd->phys;
-	input_dev->dev.parent = &dev->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_MASK(EV_KEY) | BIT_MASK(EV_REP) |
-		BIT_MASK(EV_PWR) | BIT_MASK(EV_SW);
-	input_dev->keycode = spitzkbd->keycode;
-	input_dev->keycodesize = sizeof(unsigned char);
-	input_dev->keycodemax = ARRAY_SIZE(spitzkbd_keycode);
-
-	memcpy(spitzkbd->keycode, spitzkbd_keycode, sizeof(spitzkbd->keycode));
-	for (i = 0; i < ARRAY_SIZE(spitzkbd_keycode); i++)
-		set_bit(spitzkbd->keycode[i], input_dev->keybit);
-	clear_bit(0, input_dev->keybit);
-	set_bit(KEY_SUSPEND, input_dev->keybit);
-	set_bit(SW_LID, input_dev->swbit);
-	set_bit(SW_TABLET_MODE, input_dev->swbit);
-	set_bit(SW_HEADPHONE_INSERT, input_dev->swbit);
-
-	err = input_register_device(input_dev);
-	if (err)
-		goto fail;
-
-	mod_timer(&spitzkbd->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
-
-	/* Setup sense interrupts - RisingEdge Detect, sense lines as inputs */
-	for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) {
-		pxa_gpio_mode(spitz_senses[i] | GPIO_IN);
-		if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt,
-				IRQF_DISABLED|IRQF_TRIGGER_RISING,
-				"Spitzkbd Sense", spitzkbd))
-			printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i);
-	}
-
-	/* Set Strobe lines as outputs - set high */
-	for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
-		pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
-
-	pxa_gpio_mode(SPITZ_GPIO_SYNC | GPIO_IN);
-	pxa_gpio_mode(SPITZ_GPIO_ON_KEY | GPIO_IN);
-	pxa_gpio_mode(SPITZ_GPIO_SWA | GPIO_IN);
-	pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN);
-
-	request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt,
-		    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-		    "Spitzkbd Sync", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt,
-		    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-		    "Spitzkbd PwrOn", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr,
-		    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-		    "Spitzkbd SWA", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr,
-		    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-		    "Spitzkbd SWB", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr,
-		    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-		    "Spitzkbd HP", spitzkbd);
-
-	return 0;
-
- fail:	input_free_device(input_dev);
-	kfree(spitzkbd);
-	return err;
-}
-
-static int __devexit spitzkbd_remove(struct platform_device *dev)
-{
-	int i;
-	struct spitzkbd *spitzkbd = platform_get_drvdata(dev);
-
-	for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++)
-		free_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd);
-
-	free_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd);
-	free_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd);
-	free_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd);
-	free_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd);
-	free_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd);
-
-	del_timer_sync(&spitzkbd->htimer);
-	del_timer_sync(&spitzkbd->timer);
-
-	input_unregister_device(spitzkbd->input);
-
-	kfree(spitzkbd);
-
-	return 0;
-}
-
-static struct platform_driver spitzkbd_driver = {
-	.probe		= spitzkbd_probe,
-	.remove		= __devexit_p(spitzkbd_remove),
-	.suspend	= spitzkbd_suspend,
-	.resume		= spitzkbd_resume,
-	.driver		= {
-		.name	= "spitz-keyboard",
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init spitzkbd_init(void)
-{
-	return platform_driver_register(&spitzkbd_driver);
-}
-
-static void __exit spitzkbd_exit(void)
-{
-	platform_driver_unregister(&spitzkbd_driver);
-}
-
-module_init(spitzkbd_init);
-module_exit(spitzkbd_exit);
-
-MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
-MODULE_DESCRIPTION("Spitz Keyboard Driver");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:spitz-keyboard");