input: cy8c_cs: Add Cypress CY8C20x34 touch key support
HTC kernel version: villeu-jb-crc-3.4.10-ae8b65e
Change-Id: Iec720c415be25346c84969d7d4cd11ae02266724
diff --git a/include/linux/input.h b/include/linux/input.h
index d4cdb02..3448daf 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -803,6 +803,9 @@
#define ABS_MISC 0x28
+#define ABS_MT_POSITION 0x2a
+#define ABS_MT_AMPLITUDE 0x2b
+
#define ABS_MT_SLOT 0x2f /* MT slot being modified */
#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
diff --git a/include/linux/input/cy8c_cs.h b/include/linux/input/cy8c_cs.h
new file mode 100644
index 0000000..8a4558b
--- /dev/null
+++ b/include/linux/input/cy8c_cs.h
@@ -0,0 +1,82 @@
+#ifndef CY8C_CS_I2C_H
+#define CY8C_CS_I2C_H
+
+
+#include <linux/types.h>
+
+#define CYPRESS_CS_NAME "CY8C20224"
+#define CYPRESS_SS_NAME "CY8C21x34B"
+
+#if defined(CONFIG_TOUCH_KEY_FILTER)
+#include <linux/notifier.h>
+#endif
+
+#define CS_STATUS (uint8_t) 0x00
+
+#define CS_FW_VERSION (uint8_t) 0x01
+#define CS_FW_CONFIG (uint8_t) 0xAA
+
+#define CS_IDAC_BTN_BASE (uint8_t) 0x02
+#define CS_IDAC_BTN_PAD1 (uint8_t) 0x02
+#define CS_IDAC_BTN_PAD2 (uint8_t) 0x03
+#define CS_IDAC_BTN_PAD3 (uint8_t) 0x04
+#define CS_IDAC_BTN_PAD4 (uint8_t) 0x05
+
+#define CS_MODE (uint8_t) 0x06
+#define CS_DTIME (uint8_t) 0x07
+#define CS_SLEEPTIME (uint8_t) 0x08
+#define CS_FW_CHIPID (uint8_t) 0x0A
+#define CS_FW_KEYCFG (uint8_t) 0x0B
+
+#define CS_SELECT (uint8_t) 0x0C
+#define CS_BL_HB (uint8_t) 0x0D
+#define CS_BL_LB (uint8_t) 0x0E
+#define CS_RC_HB (uint8_t) 0x0F
+#define CS_RC_LB (uint8_t) 0x10
+#define CS_DF_HB (uint8_t) 0x11
+#define CS_DF_LB (uint8_t) 0x12
+#define CS_INT_STATUS (uint8_t) 0x13
+
+
+#define CS_CMD_BASELINE (0x55)
+#define CS_CMD_DSLEEP (0x02)
+#define CS_CMD_BTN1 (0xA0)
+#define CS_CMD_BTN2 (0xA1)
+#define CS_CMD_BTN3 (0xA2)
+#define CS_CMD_BTN4 (0xA3)
+
+#define CS_CHIPID (0x36)
+#define CS_KEY_4 (0x04)
+#define CS_KEY_3 (0x03)
+
+#define CS_FUNC_PRINTRAW (0x01)
+
+#define ENABLE_CAP_ONLY_3KEY 1
+
+struct infor {
+ uint8_t config;
+ uint16_t chipid;
+ uint16_t version;
+};
+
+struct cy8c_i2c_cs_platform_data {
+ struct infor id;
+ uint16_t gpio_rst;
+ uint16_t gpio_irq;
+ int (*power)(int on);
+ int (*reset)(void);
+ int keycode[4];
+ void (*gpio_init)(void);
+ int func_support;
+ int prj_info;
+};
+
+
+#if defined(CONFIG_TOUCH_KEY_FILTER)
+extern struct blocking_notifier_head touchkey_notifier_list;
+
+extern int register_notifier_by_touchkey(struct notifier_block *nb);
+extern int unregister_notifier_by_touchkey(struct notifier_block *nb);
+#endif
+
+#endif