From: Stanley.Miao Date: Tue, 11 Nov 2008 11:50:57 +0000 (+0800) Subject: OMAP_LDP: Add keypad support on ZOOM SDK X-Git-Tag: v2.6.28-omap1~157 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f108b1dd00e2a244870a535e9e92f9ef856e86bf;p=linux-2.6-omap-h63xx.git OMAP_LDP: Add keypad support on ZOOM SDK Support twl4030 keypad and gpio keys on ZOOM SDK. Signed-off-by: Stanley.Miao Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index c8e2360fb88..bc66b28032c 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -33,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -72,6 +74,116 @@ static struct platform_device ldp_smc911x_device = { .resource = ldp_smc911x_resources, }; +static int ldp_twl4030_keymap[] = { + KEY(0, 0, KEY_1), + KEY(1, 0, KEY_2), + KEY(2, 0, KEY_3), + KEY(0, 1, KEY_4), + KEY(1, 1, KEY_5), + KEY(2, 1, KEY_6), + KEY(3, 1, KEY_F5), + KEY(0, 2, KEY_7), + KEY(1, 2, KEY_8), + KEY(2, 2, KEY_9), + KEY(3, 2, KEY_F6), + KEY(0, 3, KEY_F7), + KEY(1, 3, KEY_0), + KEY(2, 3, KEY_F8), + PERSISTENT_KEY(4, 5), + KEY(4, 4, KEY_VOLUMEUP), + KEY(5, 5, KEY_VOLUMEDOWN), + 0 +}; + +static struct twl4030_keypad_data ldp_kp_twl4030_data = { + .rows = 6, + .cols = 6, + .keymap = ldp_twl4030_keymap, + .keymapsize = ARRAY_SIZE(ldp_twl4030_keymap), + .rep = 1, + .irq = TWL4030_MODIRQ_KEYPAD, +}; + +static struct gpio_keys_button ldp_gpio_keys_buttons[] = { + [0] = { + .code = KEY_ENTER, + .gpio = 101, + .desc = "enter sw", + .active_low = 1, + .debounce_interval = 30, + }, + [1] = { + .code = KEY_F1, + .gpio = 102, + .desc = "func 1", + .active_low = 1, + .debounce_interval = 30, + }, + [2] = { + .code = KEY_F2, + .gpio = 103, + .desc = "func 2", + .active_low = 1, + .debounce_interval = 30, + }, + [3] = { + .code = KEY_F3, + .gpio = 104, + .desc = "func 3", + .active_low = 1, + .debounce_interval = 30, + }, + [4] = { + .code = KEY_F4, + .gpio = 105, + .desc = "func 4", + .active_low = 1, + .debounce_interval = 30, + }, + [5] = { + .code = KEY_LEFT, + .gpio = 106, + .desc = "left sw", + .active_low = 1, + .debounce_interval = 30, + }, + [6] = { + .code = KEY_RIGHT, + .gpio = 107, + .desc = "right sw", + .active_low = 1, + .debounce_interval = 30, + }, + [7] = { + .code = KEY_UP, + .gpio = 108, + .desc = "up sw", + .active_low = 1, + .debounce_interval = 30, + }, + [8] = { + .code = KEY_DOWN, + .gpio = 109, + .desc = "down sw", + .active_low = 1, + .debounce_interval = 30, + }, +}; + +static struct gpio_keys_platform_data ldp_gpio_keys = { + .buttons = ldp_gpio_keys_buttons, + .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons), + .rep = 1, +}; + +static struct platform_device ldp_gpio_keys_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &ldp_gpio_keys, + }, +}; + static int ts_gpio; static int __init msecure_init(void) @@ -200,6 +312,7 @@ static struct platform_device ldp_lcd_device = { static struct platform_device *ldp_devices[] __initdata = { &ldp_smc911x_device, &ldp_lcd_device, + &ldp_gpio_keys_device, }; static inline void __init ldp_init_smc911x(void) @@ -374,6 +487,7 @@ static struct twl4030_platform_data ldp_twldata = { .usb = &ldp_usb_data, .power = &sdp3430_t2scripts_data, .gpio = &ldp_gpio_data, + .keypad = &ldp_kp_twl4030_data, }; static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = { diff --git a/arch/arm/plat-omap/include/mach/keypad.h b/arch/arm/plat-omap/include/mach/keypad.h index ba1c95c7c8c..b7f270a6782 100644 --- a/arch/arm/plat-omap/include/mach/keypad.h +++ b/arch/arm/plat-omap/include/mach/keypad.h @@ -34,7 +34,12 @@ struct omap_kp_platform_data { #define GROUP_3 (3 << 16) #define GROUP_MASK GROUP_3 +#define ROWCOL_MASK 0xFF000000 +#define KEY_PERSISTENT 0x00800000 +#define KEYNUM_MASK 0x00EFFFFF #define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val)) +#define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \ + KEY_PERSISTENT) #endif diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index e4d043679b4..c8abf13a460 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -261,7 +261,7 @@ config KEYBOARD_OMAP config KEYBOARD_TWL4030 tristate "TI TWL4030 keypad support" - depends on TWL4030_CORE && (MACH_OMAP_2430SDP || MACH_OMAP2EVM || MACH_OMAP_3430SDP || MACH_OMAP3EVM) + depends on TWL4030_CORE && (MACH_OMAP_2430SDP || MACH_OMAP2EVM || MACH_OMAP_3430SDP || MACH_OMAP3EVM || MACH_OMAP_LDP) help Say Y here if you want to use the OMAP TWL4030 keypad. diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 05f3f43582c..722529c7714 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -98,6 +98,10 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) input->id.product = 0x0001; input->id.version = 0x0100; + /* Enable auto repeat feature of Linux input subsystem */ + if (pdata->rep) + set_bit(EV_REP, input->evbit); + ddata->input = input; for (i = 0; i < pdata->nbuttons; i++) { diff --git a/drivers/input/keyboard/omap-twl4030keypad.c b/drivers/input/keyboard/omap-twl4030keypad.c index f6f1ad8cdf2..21f922de7a2 100644 --- a/drivers/input/keyboard/omap-twl4030keypad.c +++ b/drivers/input/keyboard/omap-twl4030keypad.c @@ -38,14 +38,13 @@ #include #include #include +#include + #include "twl4030-keypad.h" #define PTV_PRESCALER 4 #define MAX_ROWS 8 /* TWL4030 hardlimit */ -#define ROWCOL_MASK 0xFF000000 -#define KEYNUM_MASK 0x00FFFFFF -#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val)) /* Global variables */ @@ -101,7 +100,7 @@ static int omap_kp_find_key(struct omap_keypad *kp, int col, int row) rc = KEY(col, row, 0); for (i = 0; i < kp->keymapsize; i++) if ((kp->keymap[i] & ROWCOL_MASK) == rc) - return kp->keymap[i] & KEYNUM_MASK; + return kp->keymap[i] & (KEYNUM_MASK | KEY_PERSISTENT); return -EINVAL; } @@ -189,6 +188,8 @@ static void twl4030_kp_scan(struct omap_keypad *kp, int release_all) dev_warn(kp->dbg_dev, "Spurious key event %d-%d\n", col, row); + else if (key & KEY_PERSISTENT) + continue; else input_report_key(kp->omap_twl4030kp, key, new_state[row] & (1 << col)); diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index ec6ecd74781..1289fa7623c 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -15,6 +15,7 @@ struct gpio_keys_button { struct gpio_keys_platform_data { struct gpio_keys_button *buttons; int nbuttons; + unsigned int rep:1; /* enable input subsystem auto repeat */ }; #endif