1 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/board-sapphire-keypad.c b/arch/arm/mach-msm/board-sapphire-keypad.c
new file mode 100644
index 000000000000..14f12e5e865c
--- /dev/null
+++ b/arch/arm/mach-msm/board-sapphire-keypad.c
@@ -0,0 +1,122 @@
+/* arch/arm/mach-msm/board-sapphire-keypad.c
+ * Copyright (C) 2007-2009 HTC Corporation.
+ * Author: Thomas Tsai <thomas_tsai@htc.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+*/
+
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/gpio_event.h>
+#include <asm/mach-types.h>
+#include "gpio_chip.h"
+#include "board-sapphire.h"
+static char *keycaps = "--qwerty";
+#undef MODULE_PARAM_PREFIX
+#define MODULE_PARAM_PREFIX "board_sapphire."
+module_param_named(keycaps, keycaps, charp, 0);
+
+
+static unsigned int sapphire_col_gpios[] = { 35, 34 };
+
+/* KP_MKIN2 (GPIO40) is not used? */
+static unsigned int sapphire_row_gpios[] = { 42, 41 };
+
+#define KEYMAP_INDEX(col, row) ((col)*ARRAY_SIZE(sapphire_row_gpios) + (row))
+
+/*scan matrix key*/
+/* HOME(up) + MENU (down)*/
+static const unsigned short sapphire_keymap1[ARRAY_SIZE(sapphire_col_gpios) *
+					ARRAY_SIZE(sapphire_row_gpios)] = {
+	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
+	[KEYMAP_INDEX(0, 1)] = KEY_MENU,
+
+	[KEYMAP_INDEX(1, 0)] = KEY_HOME,
+	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
+};
+
+/* MENU(up) + HOME (down)*/
+static const unsigned short sapphire_keymap0[ARRAY_SIZE(sapphire_col_gpios) *
+					ARRAY_SIZE(sapphire_row_gpios)] = {
+	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
+	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
+
+	[KEYMAP_INDEX(1, 0)] = KEY_MENU,
+	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
+};
+
+static struct gpio_event_matrix_info sapphire_keypad_matrix_info = {
+	.info.func = gpio_event_matrix_func,
+	.keymap = sapphire_keymap1,
+	.output_gpios = sapphire_col_gpios,
+	.input_gpios = sapphire_row_gpios,
+	.noutputs = ARRAY_SIZE(sapphire_col_gpios),
+	.ninputs = ARRAY_SIZE(sapphire_row_gpios),
+	.settle_time.tv.nsec = 40 * NSEC_PER_USEC,
+	.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
+	.debounce_delay.tv.nsec = 50 * NSEC_PER_MSEC,
+	.flags = GPIOKPF_LEVEL_TRIGGERED_IRQ |
+		 GPIOKPF_REMOVE_PHANTOM_KEYS |
+		 GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/
+};
+
+static struct gpio_event_direct_entry sapphire_keypad_nav_map[] = {
+	{ SAPPHIRE_POWER_KEY,              KEY_END        },
+	{ SAPPHIRE_VOLUME_UP,              KEY_VOLUMEUP   },
+	{ SAPPHIRE_VOLUME_DOWN,            KEY_VOLUMEDOWN },
+};
+
+static struct gpio_event_input_info sapphire_keypad_nav_info = {
+	.info.func = gpio_event_input_func,
+	.flags = 0,
+	.type = EV_KEY,
+	.keymap = sapphire_keypad_nav_map,
+	.debounce_time.tv.nsec = 20 * NSEC_PER_MSEC,
+	.keymap_size = ARRAY_SIZE(sapphire_keypad_nav_map)
+};
+
+static struct gpio_event_info *sapphire_keypad_info[] = {
+	&sapphire_keypad_matrix_info.info,
+	&sapphire_keypad_nav_info.info,
+};
+
+static struct gpio_event_platform_data sapphire_keypad_data = {
+	.name = "sapphire-keypad",
+	.info = sapphire_keypad_info,
+	.info_count = ARRAY_SIZE(sapphire_keypad_info)
+};
+
+static struct platform_device sapphire_keypad_device = {
+	.name = GPIO_EVENT_DEV_NAME,
+	.id = 0,
+	.dev		= {
+		.platform_data	= &sapphire_keypad_data,
+	},
+};
+
+static int __init sapphire_init_keypad(void)
+{
+	if (!machine_is_sapphire())
+		return 0;
+
+	switch (sapphire_get_hwid()) {
+	case 0:
+		sapphire_keypad_matrix_info.keymap = sapphire_keymap0;
+		break;
+	default:
+		sapphire_keypad_matrix_info.keymap = sapphire_keymap1;
+		break;
+	}
+	return platform_device_register(&sapphire_keypad_device);
+}
+
+device_initcall(sapphire_init_keypad);
+