diff --git a/arch/arm/mach-s3c2410/devs.c b/arch/arm/mach-s3c2410/devs.c --- a/arch/arm/mach-s3c2410/devs.c +++ b/arch/arm/mach-s3c2410/devs.c @@ -171,6 +171,14 @@ struct platform_device s3c_device_ts = { }; EXPORT_SYMBOL(s3c_device_ts); +/* 'Keyboard' */ +struct platform_device s3c_device_kbd = { + .name = "s3c2410-kbd", + .id = -1, +}; + +EXPORT_SYMBOL(s3c_device_kbd); + /* USB Device (Gadget)*/ static struct s3c2410_udc_mach_info s3c2410udc_info; diff --git a/arch/arm/mach-s3c2410/devs.h b/arch/arm/mach-s3c2410/devs.h --- a/arch/arm/mach-s3c2410/devs.h +++ b/arch/arm/mach-s3c2410/devs.h @@ -40,6 +40,7 @@ extern struct platform_device s3c_device extern struct platform_device s3c_device_usbgadget; extern struct platform_device s3c_device_ts; +extern struct platform_device s3c_device_kbd; /* s3c2440 specific devices */ diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -238,6 +238,7 @@ static struct platform_device *h1940_dev &s3c_device_sdi, &s3c_device_usbgadget, &s3c_device_ts, + &s3c_device_kbd, }; static struct s3c24xx_board h1940_board __initdata = { diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -182,4 +182,14 @@ config KEYBOARD_HIL This driver implements support for HIL-keyboards attached to your machine, so normally you should say Y here. +config KEYBOARD_S3C2410 + tristate "s3c2410 keyboard" + depends on ARCH_S3C2410 + default y + help + + To compile this driver as a module, choose M here: the + module will be called s3c2410kbd. + + endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -16,4 +16,5 @@ obj-$(CONFIG_KEYBOARD_98KBD) += 98kbd.o obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o +obj-$(CONFIG_KEYBOARD_S3C2410) += s3c2410kbd.o diff --git a/drivers/input/keyboard/s3c2410kbd.c b/drivers/input/keyboard/s3c2410kbd.c new file mode 100644 --- /dev/null +++ b/drivers/input/keyboard/s3c2410kbd.c @@ -0,0 +1,175 @@ +/* + * 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 + * + * Copyright (c) 2005 Arnaud Patard + * Samsung S3C2410 keyboard support + * + * Based on various pxa ipaq drivers. + * + * ChangeLog + * + * 2005-06-21: Arnaud Patard + * - Initial version + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +/* For id.version */ +#define S3C2410KBDVERSION 0x0001 +#define DRV_NAME "s3c2410-kbd" + +MODULE_AUTHOR("Arnaud Patard "); +MODULE_DESCRIPTION("s3c2410 keyboard driver"); +MODULE_LICENSE("GPL"); + +struct s3c2410kbd_button { + int irq; + int pin; + int pin_setting; + int keycode; + char *name; +}; + +/* To be moved later to a better place */ +static struct s3c2410kbd_button s3c2410kbd_buttons[] = { + { IRQ_EINT0, S3C2410_GPF0, S3C2410_GPF0_EINT0, KEY_POWER, "Power" }, + { IRQ_EINT6, S3C2410_GPF6, S3C2410_GPF6_EINT6, KEY_ENTER, "Select" }, + { IRQ_EINT7, S3C2410_GPF7, S3C2410_GPF7_EINT7, KEY_RECORD, "Record" }, + { IRQ_EINT8, S3C2410_GPG0, S3C2410_GPG0_EINT8, KEY_CALENDAR, "Calendar" }, + { IRQ_EINT10, S3C2410_GPG2, S3C2410_GPG2_EINT10, KEY_COFFEE, "Contacts" }, /* TODO: find a better key :P */ + { IRQ_EINT11, S3C2410_GPG3, S3C2410_GPG3_EINT11, KEY_MAIL, "Mail" }, + { IRQ_EINT14, S3C2410_GPG6, S3C2410_GPG6_EINT14, KEY_LEFT, "Left_arrow" }, + { IRQ_EINT15, S3C2410_GPG7, S3C2410_GPG7_EINT15, KEY_HOMEPAGE, "Home" }, + { IRQ_EINT16, S3C2410_GPG8, S3C2410_GPG8_EINT16, KEY_RIGHT, "Right_arrow" }, + { IRQ_EINT17, S3C2410_GPG9, S3C2410_GPG9_EINT17, KEY_UP, "Up_arrow" }, + { IRQ_EINT18, S3C2410_GPG10, S3C2410_GPG10_EINT18, KEY_DOWN, "Down_arrow" }, +}; + +struct s3c2410kbd { + struct input_dev dev; + spinlock_t lock; + int count; + int shift; + char phys[32]; +}; + +static struct s3c2410kbd kbd; + +static irqreturn_t s3c2410kbd_keyevent(int irq, void *dev_id, struct pt_regs *regs) +{ + struct s3c2410kbd_button *button = (struct s3c2410kbd_button *)dev_id; + int down; + + if (!button) + return IRQ_HANDLED; + + down = !(s3c2410_gpio_getpin(button->pin)); + + printk(KERN_DEBUG "%s button %s\n",button->name, down ? "pressed" : "released"); + + input_report_key(&kbd.dev, button->keycode, down); + input_sync(&kbd.dev); + + return IRQ_HANDLED; +} + +static int __init s3c2410kbd_probe(struct device *dev) +{ + int i; + + /* Initialise input stuff */ + memset(&kbd, 0, sizeof(struct s3c2410kbd)); + init_input_dev(&kbd.dev); + kbd.dev.evbit[0] = BIT(EV_KEY); + sprintf(kbd.phys, "input/s3c2410_kbd0"); + + kbd.dev.private = &kbd; + kbd.dev.name = DRV_NAME; + kbd.dev.phys = kbd.phys; + kbd.dev.id.bustype = BUS_HOST; + kbd.dev.id.vendor = 0xDEAD; + kbd.dev.id.product = 0xBEEF; + kbd.dev.id.version = S3C2410KBDVERSION; + + + for (i = 0; i < ARRAY_SIZE (s3c2410kbd_buttons); i++) { + set_bit(s3c2410kbd_buttons[i].keycode, kbd.dev.keybit); + s3c2410_gpio_cfgpin(s3c2410kbd_buttons[i].pin,s3c2410kbd_buttons[i].pin_setting); + request_irq (s3c2410kbd_buttons[i].irq, s3c2410kbd_keyevent,\ + SA_SAMPLE_RANDOM, s3c2410kbd_buttons[i].name, &s3c2410kbd_buttons[i]); + set_irq_type(s3c2410kbd_buttons[i].irq, IRQT_BOTHEDGE); + } + + printk(KERN_INFO "%s successfully loaded\n", DRV_NAME); + + /* All went ok, so register to the input system */ + input_register_device(&kbd.dev); + + return 0; +} + +static int s3c2410kbd_remove(struct device *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE (s3c2410kbd_buttons); i++) { + disable_irq(s3c2410kbd_buttons[i].irq); + free_irq(s3c2410kbd_buttons[i].irq,&kbd.dev); + } + + input_unregister_device(&kbd.dev); + + return 0; +} + + +static struct device_driver s3c2410kbd_driver = { + .name = DRV_NAME, + .bus = &platform_bus_type, + .probe = s3c2410kbd_probe, + .remove = s3c2410kbd_remove, +}; + + +int __init s3c2410kbd_init(void) +{ + return driver_register(&s3c2410kbd_driver); +} + +void __exit s3c2410kbd_exit(void) +{ + driver_unregister(&s3c2410kbd_driver); +} + +module_init(s3c2410kbd_init); +module_exit(s3c2410kbd_exit); + + + +