Input: add Tosa keyboard driver

Add keyboard support on tosa (Sharp Zaurus SL-6000x).
Largely based on patches by Dirk Opfer.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

arch/arm/mach-pxa/tosa.c

@@ -21,6 +21,8 @@
 #include <linux/mmc/host.h>
 #include <linux/pm.h>
 #include <linux/delay.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -253,6 +255,46 @@ static struct platform_device tosakbd_device = {
 	.id		= -1,
 };
 
+static struct gpio_keys_button tosa_gpio_keys[] = {
+	{
+		.type	= EV_PWR,
+		.code	= KEY_SUSPEND,
+		.gpio	= TOSA_GPIO_ON_KEY,
+		.desc	= "On key",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= TOSA_KEY_RECORD,
+		.gpio	= TOSA_GPIO_RECORD_BTN,
+		.desc	= "Record Button",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+	{
+		.type	= EV_KEY,
+		.code	= TOSA_KEY_SYNC,
+		.gpio	= TOSA_GPIO_SYNC,
+		.desc	= "Sync Button",
+		.wakeup	= 1,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = {
+	.buttons	= tosa_gpio_keys,
+	.nbuttons	= ARRAY_SIZE(tosa_gpio_keys),
+};
+
+static struct platform_device tosa_gpio_keys_device = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &tosa_gpio_keys_platform_data,
+	},
+};
+
 /*
  * Tosa LEDs
  */
@@ -265,6 +307,7 @@ static struct platform_device *devices[] __initdata = {
 	&tosascoop_device,
 	&tosascoop_jc_device,
 	&tosakbd_device,
+	&tosa_gpio_keys_device,
 	&tosaled_device,
 };
 

drivers/input/keyboard/Kconfig

@@ -154,6 +154,27 @@ config KEYBOARD_SPITZ
 	  To compile this driver as a module, choose M here: the
 	  module will be called spitzkbd.
 
+config KEYBOARD_TOSA
+	tristate "Tosa keyboard"
+	depends on MACH_TOSA
+	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_TOSA_USE_EXT_KEYCODES
+	bool "Tosa keyboard: use extended keycodes"
+	depends on KEYBOARD_TOSA
+	default n
+	help
+	  Say Y here to enable the tosa keyboard driver to generate extended
+	  (>= 127) keycodes. Be aware, that they can't be correctly interpreted
+	  by either console keyboard driver or by Kdrive keybd driver.
+
+	  Say Y only if you know, what you are doing!
+
 config KEYBOARD_AMIGA
 	tristate "Amiga keyboard"
 	depends on AMIGA

drivers/input/keyboard/Makefile

@@ -15,6 +15,7 @@ obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o
 obj-$(CONFIG_KEYBOARD_STOWAWAY)		+= stowaway.o
 obj-$(CONFIG_KEYBOARD_CORGI)		+= corgikbd.o
 obj-$(CONFIG_KEYBOARD_SPITZ)		+= spitzkbd.o
+obj-$(CONFIG_KEYBOARD_TOSA)		+= tosakbd.o
 obj-$(CONFIG_KEYBOARD_HIL)		+= hil_kbd.o
 obj-$(CONFIG_KEYBOARD_HIL_OLD)		+= hilkbd.o
 obj-$(CONFIG_KEYBOARD_OMAP)		+= omap-keypad.o

include/asm-arm/arch-pxa/tosa.h

@@ -163,4 +163,34 @@
 
 extern struct platform_device tosascoop_jc_device;
 extern struct platform_device tosascoop_device;
+
+#define TOSA_KEY_SYNC		KEY_102ND /* ??? */
+
+
+#ifndef CONFIG_KEYBOARD_TOSA_USE_EXT_KEYCODES
+#define TOSA_KEY_RECORD		KEY_YEN
+#define TOSA_KEY_ADDRESSBOOK	KEY_KATAKANA
+#define TOSA_KEY_CANCEL		KEY_ESC
+#define TOSA_KEY_CENTER		KEY_HIRAGANA
+#define TOSA_KEY_OK		KEY_HENKAN
+#define TOSA_KEY_CALENDAR	KEY_KATAKANAHIRAGANA
+#define TOSA_KEY_HOMEPAGE	KEY_HANGEUL
+#define TOSA_KEY_LIGHT		KEY_MUHENKAN
+#define TOSA_KEY_MENU		KEY_HANJA
+#define TOSA_KEY_FN		KEY_RIGHTALT
+#define TOSA_KEY_MAIL		KEY_ZENKAKUHANKAKU
+#else
+#define TOSA_KEY_RECORD		KEY_RECORD
+#define TOSA_KEY_ADDRESSBOOK	KEY_ADDRESSBOOK
+#define TOSA_KEY_CANCEL		KEY_CANCEL
+#define TOSA_KEY_CENTER		KEY_SELECT /* ??? */
+#define TOSA_KEY_OK		KEY_OK
+#define TOSA_KEY_CALENDAR	KEY_CALENDAR
+#define TOSA_KEY_HOMEPAGE	KEY_HOMEPAGE
+#define TOSA_KEY_LIGHT		KEY_KBDILLUMTOGGLE
+#define TOSA_KEY_MENU		KEY_MENU
+#define TOSA_KEY_FN		KEY_FN
+#define TOSA_KEY_MAIL		KEY_MAIL
+#endif
+
 #endif /* _ASM_ARCH_TOSA_H_ */