[PATCH] msm: trout: add keypad support
Daniel Walker
dwalker at codeaurora.org
Wed Dec 8 19:24:45 EST 2010
This adds matrix keypad support, and gpio buttons support for
trout's various keys and buttons.
Signed-off-by: Daniel Walker <dwalker at codeaurora.org>
---
arch/arm/mach-msm/Makefile | 2 +-
arch/arm/mach-msm/board-trout-keypad.c | 342 ++++++++++++++++++++++++++++++++
2 files changed, 343 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-msm/board-trout-keypad.c
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 3abe889..a11b4e9 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -20,7 +20,7 @@ obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o devices-msm7x00.o
-obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o board-trout-panel.o devices-msm7x00.o
+obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o board-trout-panel.o devices-msm7x00.o board-trout-keypad.o
obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o
obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o
diff --git a/arch/arm/mach-msm/board-trout-keypad.c b/arch/arm/mach-msm/board-trout-keypad.c
new file mode 100644
index 0000000..ce0dfab
--- /dev/null
+++ b/arch/arm/mach-msm/board-trout-keypad.c
@@ -0,0 +1,342 @@
+/* arch/arm/mach-msm/board-trout-keypad.c
+ *
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * 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/input/matrix_keypad.h>
+#include <linux/gpio_keys.h>
+#include <asm/mach-types.h>
+
+#include "board-trout.h"
+
+static char *keycaps = "--qwerty";
+#undef MODULE_PARAM_PREFIX
+#define MODULE_PARAM_PREFIX "board_trout."
+module_param_named(keycaps, keycaps, charp, 0);
+
+
+static unsigned int trout_col_gpios[] = { 35, 34, 33, 32, 31, 23, 30, 78 };
+static unsigned int trout_row_gpios[] = { 42, 41, 40, 39, 38, 37, 36 };
+
+static const uint32_t trout_keymap[] = {
+ KEY(0, 0, KEY_BACK),
+ KEY(1, 0, KEY_HOME),
+ KEY(3, 0, KEY_BACKSPACE),
+ KEY(4, 0, KEY_ENTER),
+ KEY(5, 0, KEY_RIGHTALT),
+ KEY(6, 0, KEY_P),
+
+ KEY(0, 1, KEY_MENU),
+ KEY(1, 1, KEY_SEND),
+ KEY(2, 1, KEY_END),
+ KEY(3, 1, KEY_LEFTALT),
+ KEY(4, 1, KEY_A),
+ KEY(5, 1, KEY_LEFTSHIFT),
+ KEY(6, 1, KEY_Q),
+
+ KEY(0, 2, KEY_U),
+ KEY(1, 2, KEY_7),
+ KEY(2, 2, KEY_K),
+ KEY(3, 2, KEY_J),
+ KEY(4, 2, KEY_M),
+ KEY(5, 2, KEY_SLASH),
+ KEY(6, 2, KEY_8),
+
+ KEY(0, 3, KEY_5),
+ KEY(1, 3, KEY_6),
+ KEY(2, 3, KEY_B),
+ KEY(3, 3, KEY_H),
+ KEY(4, 3, KEY_N),
+ KEY(5, 3, KEY_SPACE),
+ KEY(6, 3, KEY_Y),
+
+ KEY(0, 4, KEY_4),
+ KEY(1, 4, KEY_R),
+ KEY(2, 4, KEY_V),
+ KEY(3, 4, KEY_G),
+ KEY(4, 4, KEY_C),
+ KEY(6, 4, KEY_T),
+
+ KEY(0, 5, KEY_2),
+ KEY(1, 5, KEY_W),
+ KEY(2, 5, KEY_COMPOSE),
+ KEY(3, 5, KEY_VOLUMEUP),
+ KEY(4, 5, KEY_S),
+ KEY(5, 5, KEY_Z),
+ KEY(6, 5, KEY_1),
+
+ KEY(0, 6, KEY_I),
+ KEY(1, 6, KEY_0),
+ KEY(2, 6, KEY_O),
+ KEY(3, 6, KEY_L),
+ KEY(4, 6, KEY_DOT),
+ KEY(5, 6, KEY_COMMA),
+ KEY(6, 6, KEY_9),
+
+ KEY(0, 7, KEY_3),
+ KEY(1, 7, KEY_E),
+ KEY(2, 7, KEY_EMAIL), /* @ */
+ KEY(3, 7, KEY_VOLUMEDOWN),
+ KEY(4, 7, KEY_X),
+ KEY(5, 7, KEY_F),
+ KEY(6, 7, KEY_D),
+};
+
+static unsigned int trout_col_gpios_evt2[] = { 35, 34, 33, 32, 31, 23, 30, 109 };
+static unsigned int trout_row_gpios_evt2[] = { 42, 41, 40, 39, 38, 37, 36 };
+
+static const uint32_t trout_keymap_evt2_1[] = {
+ KEY(0, 0, KEY_BACK),
+ KEY(1, 0, KEY_HOME),
+ KEY(3, 0, KEY_BACKSPACE),
+ KEY(4, 0, KEY_ENTER),
+ KEY(5, 0, KEY_RIGHTSHIFT),
+ KEY(6, 0, KEY_P),
+
+ KEY(0, 1, KEY_MENU),
+ KEY(1, 1, KEY_SEND),
+ KEY(3, 1, KEY_LEFTSHIFT),
+ KEY(4, 1, KEY_A),
+ KEY(5, 1, KEY_COMPOSE),
+ KEY(6, 1, KEY_Q),
+
+ KEY(0, 2, KEY_U),
+ KEY(1, 2, KEY_7),
+ KEY(2, 2, KEY_K),
+ KEY(3, 2, KEY_J),
+ KEY(4, 2, KEY_M),
+ KEY(5, 2, KEY_SLASH),
+ KEY(6, 2, KEY_8),
+
+ KEY(0, 3, KEY_5),
+ KEY(1, 3, KEY_6),
+ KEY(2, 3, KEY_B),
+ KEY(3, 3, KEY_H),
+ KEY(4, 3, KEY_N),
+ KEY(5, 3, KEY_SPACE),
+ KEY(6, 3, KEY_Y),
+
+ KEY(0, 4, KEY_4),
+ KEY(1, 4, KEY_R),
+ KEY(2, 4, KEY_V),
+ KEY(3, 4, KEY_G),
+ KEY(4, 4, KEY_C),
+ KEY(6, 4, KEY_T),
+
+ KEY(0, 5, KEY_2),
+ KEY(1, 5, KEY_W),
+ KEY(2, 5, KEY_LEFTALT),
+ KEY(3, 5, KEY_VOLUMEUP),
+ KEY(4, 5, KEY_S),
+ KEY(5, 5, KEY_Z),
+ KEY(6, 5, KEY_1),
+
+ KEY(0, 6, KEY_I),
+ KEY(1, 6, KEY_0),
+ KEY(2, 6, KEY_O),
+ KEY(3, 6, KEY_L),
+ KEY(4, 6, KEY_COMMA),
+ KEY(5, 6, KEY_DOT),
+ KEY(6, 6, KEY_9),
+
+ KEY(0, 7, KEY_3),
+ KEY(1, 7, KEY_E),
+ KEY(2, 7, KEY_EMAIL), /* @ */
+ KEY(3, 7, KEY_VOLUMEDOWN),
+ KEY(4, 7, KEY_X),
+ KEY(5, 7, KEY_F),
+ KEY(6, 7, KEY_D),
+};
+
+static const uint32_t trout_keymap_evt2_2[] = {
+ KEY(0, 0, KEY_BACK),
+ KEY(1, 0, KEY_HOME),
+ KEY(3, 0, KEY_BACKSPACE),
+ KEY(4, 0, KEY_ENTER),
+ KEY(5, 0, KEY_RIGHTSHIFT),
+ KEY(6, 0, KEY_P),
+
+ KEY(0, 1, KEY_MENU), /* external menu key */
+ KEY(1, 1, KEY_SEND),
+ KEY(3, 1, KEY_LEFTSHIFT),
+ KEY(4, 1, KEY_A),
+ KEY(5, 1, KEY_F1), /* qwerty menu key */
+ KEY(6, 1, KEY_Q),
+
+ KEY(0, 2, KEY_U),
+ KEY(1, 2, KEY_7),
+ KEY(2, 2, KEY_K),
+ KEY(3, 2, KEY_J),
+ KEY(4, 2, KEY_M),
+ KEY(5, 2, KEY_DOT),
+ KEY(6, 2, KEY_8),
+
+ KEY(0, 3, KEY_5),
+ KEY(1, 3, KEY_6),
+ KEY(2, 3, KEY_B),
+ KEY(3, 3, KEY_H),
+ KEY(4, 3, KEY_N),
+ KEY(5, 3, KEY_SPACE),
+ KEY(6, 3, KEY_Y),
+
+ KEY(0, 4, KEY_4),
+ KEY(1, 4, KEY_R),
+ KEY(2, 4, KEY_V),
+ KEY(3, 4, KEY_G),
+ KEY(4, 4, KEY_C),
+ KEY(5, 4, KEY_EMAIL), /* @ */
+ KEY(6, 4, KEY_T),
+
+ KEY(0, 5, KEY_2),
+ KEY(1, 5, KEY_W),
+ KEY(2, 5, KEY_LEFTALT),
+ KEY(3, 5, KEY_VOLUMEUP),
+ KEY(4, 5, KEY_S),
+ KEY(5, 5, KEY_Z),
+ KEY(6, 5, KEY_1),
+
+ KEY(0, 6, KEY_I),
+ KEY(1, 6, KEY_0),
+ KEY(2, 6, KEY_O),
+ KEY(3, 6, KEY_L),
+ KEY(4, 6, KEY_COMMA),
+ KEY(5, 6, KEY_RIGHTALT),
+ KEY(6, 6, KEY_9),
+
+ KEY(0, 7, KEY_3),
+ KEY(1, 7, KEY_E),
+ KEY(2, 7, KEY_COMPOSE),
+ KEY(3, 7, KEY_VOLUMEDOWN),
+ KEY(4, 7, KEY_X),
+ KEY(5, 7, KEY_F),
+ KEY(6, 7, KEY_D),
+};
+
+static struct matrix_keymap_data trout_keymap_data = {
+ .keymap = trout_keymap,
+ .keymap_size = ARRAY_SIZE(trout_keymap),
+};
+
+static struct matrix_keymap_data trout_keymap_data_2_1 = {
+ .keymap = trout_keymap_evt2_1,
+ .keymap_size = ARRAY_SIZE(trout_keymap_evt2_1),
+};
+
+static struct matrix_keymap_data trout_keymap_data_2_2 = {
+ .keymap = trout_keymap_evt2_2,
+ .keymap_size = ARRAY_SIZE(trout_keymap_evt2_2),
+};
+
+static struct matrix_keypad_platform_data trout_pdata = {
+ .keymap_data = &trout_keymap_data,
+ .row_gpios = trout_row_gpios,
+ .col_gpios = trout_col_gpios,
+ .num_row_gpios = ARRAY_SIZE(trout_row_gpios),
+ .num_col_gpios = ARRAY_SIZE(trout_col_gpios),
+ .col_scan_delay_us = 0,
+ .debounce_ms = 20,
+ .wakeup = 1,
+ .active_low = 1,
+};
+
+static struct platform_device trout_device = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &trout_pdata,
+ },
+};
+
+static struct gpio_keys_button trout_gpio_keys[] = {
+ {
+ .type = EV_KEY,
+ .code = KEY_POWER,
+ .gpio = TROUT_POWER_KEY,
+ .desc = "On Off",
+ .wakeup = 1,
+ },
+ {
+ .type = EV_KEY,
+ .code = KEY_HP ,
+ .gpio = TROUT_GPIO_CAM_BTN_STEP1_N,
+ .desc = "Camera STEP1",
+ },
+ {
+ .type = EV_KEY,
+ .code = KEY_CAMERA,
+ .gpio = TROUT_GPIO_CAM_BTN_STEP2_N,
+ .desc = "Camera STEP2",
+ },
+ {
+ .type = EV_SW,
+ .code = 0,
+ .gpio = TROUT_GPIO_SLIDING_DET,
+ .desc = "Lid Closed",
+ },
+};
+
+static struct gpio_keys_platform_data trout_gpio_keys_platform_data = {
+ .buttons = trout_gpio_keys,
+ .nbuttons = ARRAY_SIZE(trout_gpio_keys),
+};
+
+static struct platform_device trout_gpio_keys_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &trout_gpio_keys_platform_data,
+ },
+};
+
+static int __init trout_init_keypad(void)
+{
+ int ret;
+
+ if (!machine_is_trout())
+ return 0;
+
+ switch (system_rev) {
+ case 0:
+ /* legacy default keylayout */
+ break;
+ case 1:
+ /* v1 has a new keyboard layout */
+ trout_pdata.keymap_data = &trout_keymap_data_2_1;
+ trout_pdata.col_gpios = trout_col_gpios_evt2;
+ trout_pdata.row_gpios = trout_row_gpios_evt2;
+
+ /* userspace needs to know about these changes as well */
+ break;
+ default: /* 2, 3, 4 currently */
+ /* v2 has a new keyboard layout */
+ trout_pdata.keymap_data = &trout_keymap_data_2_2;
+ trout_pdata.col_gpios = trout_col_gpios_evt2;
+ trout_pdata.row_gpios = trout_row_gpios_evt2;
+
+ /* userspace needs to know about these changes as well */
+ break;
+ }
+ ret = platform_device_register(&trout_device);
+ ret = platform_device_register(&trout_gpio_keys_device);
+
+ if (ret)
+ printk(KERN_ERR "TROUT: error registering platform devices.\n");
+
+ return ret;
+}
+
+device_initcall(trout_init_keypad);
+
--
1.7.1
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