diff options
Diffstat (limited to 'packages/linux/linux-rp-2.6.23/tosa-keyboard-r19.patch')
| -rw-r--r-- | packages/linux/linux-rp-2.6.23/tosa-keyboard-r19.patch | 1028 |
1 files changed, 1028 insertions, 0 deletions
diff --git a/packages/linux/linux-rp-2.6.23/tosa-keyboard-r19.patch b/packages/linux/linux-rp-2.6.23/tosa-keyboard-r19.patch new file mode 100644 index 0000000000..5d94f25527 --- /dev/null +++ b/packages/linux/linux-rp-2.6.23/tosa-keyboard-r19.patch @@ -0,0 +1,1028 @@ + 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 +@@ -17,3 +17,4 @@ obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkb + obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o + obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o + obj-$(CONFIG_KEYBOARD_ASIC3) += asic3_keys.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, ++ IRQF_DISABLED | IRQF_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, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "On key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_RECORD_BTN, tosakbd_interrupt, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Record key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_SYNC, tosakbd_interrupt, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Sync key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_EAR_IN, tosakbd_hp_isr, IRQF_DISABLED | IRQF_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"); + 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 +@@ -17,3 +17,4 @@ obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkb + obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o + obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o + obj-$(CONFIG_KEYBOARD_ASIC3) += asic3_keys.o ++obj-$(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, ++ IRQF_DISABLED | IRQF_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, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "On key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_RECORD_BTN, tosakbd_interrupt, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Record key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_SYNC, tosakbd_interrupt, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "Sync key", tosakbd) || ++ request_irq(TOSA_IRQ_GPIO_EAR_IN, tosakbd_hp_isr, IRQF_DISABLED | IRQF_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"); |