input: touchscreen: Add back CodeLinaro Focaltech touch driver

- Keep it disabled to avoid conflict with xiaomi touch driver Signed-off-by: Joker-V2 <nipinna0@gmail.com>
selfmusing · Sep 19, 2022 · d31a2dd · d31a2dd
1 parent 0504fc4
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diff --git a/drivers/input/touchscreen/focaltech_touch/Kconfig b/drivers/input/touchscreen/focaltech_touch/Kconfig
@@ -0,0 +1,23 @@
+#
+# Focaltech Touchscreen driver configuration
+#
+
+config TOUCHSCREEN_FTS
+	bool "Focaltech Touchscreen"
+	help
+	  Say Y here if you have Focaltech touch panel.
+	  If unsure, say N.
+
+config TOUCHSCREEN_FTS_DIRECTORY
+	string "Focaltech ts directory name"
+	default "focaltech_touch"
+	depends on TOUCHSCREEN_FTS
+
+config FTS_TRUSTED_TOUCH
+	bool "Focaltech Trusted Touch"
+	depends on TOUCHSCREEN_FTS
+	help
+	  Say Y here to enable Focaltech Trusted Touch.
+	  If unsure, say N.
+
+#endif
diff --git a/drivers/input/touchscreen/focaltech_touch/Makefile b/drivers/input/touchscreen/focaltech_touch/Makefile
@@ -0,0 +1,13 @@
+# Makefile for the focaltech touchscreen drivers.
+
+
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_core.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_fun.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_mode.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_gesture.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_esdcheck.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_point_report_check.o
+
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_i2c.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash/
diff --git a/drivers/input/touchscreen/focaltech_touch/focaltech_common.h b/drivers/input/touchscreen/focaltech_touch/focaltech_common.h
@@ -0,0 +1,168 @@
+/*
+ *
+ * FocalTech fts TouchScreen driver.
+ *
+ * Copyright (c) 2012-2019, Focaltech Ltd. All rights reserved.
+ *
+ * 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.
+ *
+ */
+/*****************************************************************************
+*
+* File Name: focaltech_common.h
+*
+* Author: Focaltech Driver Team
+*
+* Created: 2016-08-16
+*
+* Abstract:
+*
+* Reference:
+*
+*****************************************************************************/
+
+#ifndef __LINUX_FOCALTECH_COMMON_H__
+#define __LINUX_FOCALTECH_COMMON_H__
+
+#include "focaltech_config.h"
+
+/*****************************************************************************
+* Macro definitions using #define
+*****************************************************************************/
+#define FTS_DRIVER_VERSION      "Focaltech V3.1 20190807"
+
+#define BYTE_OFF_0(x)           (u8)((x) & 0xFF)
+#define BYTE_OFF_8(x)           (u8)(((x) >> 8) & 0xFF)
+#define BYTE_OFF_16(x)          (u8)(((x) >> 16) & 0xFF)
+#define BYTE_OFF_24(x)          (u8)(((x) >> 24) & 0xFF)
+#define FLAGBIT(x)              (0x00000001 << (x))
+#define FLAGBITS(x, y)          ((0xFFFFFFFF >> (32 - (y) - 1)) & (0xFFFFFFFF << (x)))
+
+#define FLAG_ICSERIALS_LEN      8
+#define FLAG_HID_BIT            10
+#define FLAG_IDC_BIT            11
+
+#define IC_SERIALS              (FTS_CHIP_TYPE & FLAGBITS(0, FLAG_ICSERIALS_LEN-1))
+#define IC_TO_SERIALS(x)        ((x) & FLAGBITS(0, FLAG_ICSERIALS_LEN-1))
+#define FTS_CHIP_IDC            ((FTS_CHIP_TYPE & FLAGBIT(FLAG_IDC_BIT)) == FLAGBIT(FLAG_IDC_BIT))
+#define FTS_HID_SUPPORTTED      ((FTS_CHIP_TYPE & FLAGBIT(FLAG_HID_BIT)) == FLAGBIT(FLAG_HID_BIT))
+
+#define FTS_CHIP_TYPE_MAPPING {{0x81, 0x54, 0x52, 0x54, 0x52, 0x00, 0x00, 0x54, 0x5C}}
+
+#define FILE_NAME_LENGTH                    128
+#define ENABLE                              1
+#define DISABLE                             0
+#define VALID                               1
+#define INVALID                             0
+#define FTS_CMD_START1                      0x55
+#define FTS_CMD_START2                      0xAA
+#define FTS_CMD_START_DELAY                 12
+#define FTS_CMD_READ_ID                     0x90
+#define FTS_CMD_READ_ID_LEN                 4
+#define FTS_CMD_READ_ID_LEN_INCELL          1
+/*register address*/
+#define FTS_REG_INT_CNT                     0x8F
+#define FTS_REG_FLOW_WORK_CNT               0x91
+#define FTS_REG_WORKMODE                    0x00
+#define FTS_REG_WORKMODE_FACTORY_VALUE      0x40
+#define FTS_REG_WORKMODE_WORK_VALUE         0x00
+#define FTS_REG_ESDCHECK_DISABLE            0x8D
+#define FTS_REG_CHIP_ID                     0xA3
+#define FTS_REG_CHIP_ID2                    0x9F
+#define FTS_REG_POWER_MODE                  0xA5
+#define FTS_REG_POWER_MODE_SLEEP            0x03
+#define FTS_REG_FW_VER                      0xA6
+#define FTS_REG_VENDOR_ID                   0xA8
+#define FTS_REG_LCD_BUSY_NUM                0xAB
+#define FTS_REG_FACE_DEC_MODE_EN            0xB0
+#define FTS_REG_FACTORY_MODE_DETACH_FLAG    0xB4
+#define FTS_REG_FACE_DEC_MODE_STATUS        0x01
+#define FTS_REG_IDE_PARA_VER_ID             0xB5
+#define FTS_REG_IDE_PARA_STATUS             0xB6
+#define FTS_REG_GLOVE_MODE_EN               0xC0
+#define FTS_REG_COVER_MODE_EN               0xC1
+#define FTS_REG_REPORT_RATE                 0x88
+#define FTS_REG_CHARGER_MODE_EN             0x8B
+#define FTS_REG_GESTURE_EN                  0xD0
+#define FTS_REG_GESTURE_OUTPUT_ADDRESS      0xD3
+#define FTS_REG_MODULE_ID                   0xE3
+#define FTS_REG_LIC_VER                     0xE4
+#define FTS_REG_ESD_SATURATE                0xED
+
+#define FTS_SYSFS_ECHO_ON(buf)      (buf[0] == '1')
+#define FTS_SYSFS_ECHO_OFF(buf)     (buf[0] == '0')
+
+#define kfree_safe(pbuf) do {\
+	if (pbuf) {\
+		kfree(pbuf);\
+		pbuf = NULL;\
+	}\
+} while(0)
+
+/*****************************************************************************
+*  Alternative mode (When something goes wrong,
+* the modules may be able to solve the problem.)
+*****************************************************************************/
+/*
+ * point report check
+ * default: disable
+ */
+#define FTS_POINT_REPORT_CHECK_EN               0
+
+/*****************************************************************************
+* Global variable or extern global variabls/functions
+*****************************************************************************/
+struct ft_chip_t {
+	u64 type;
+	u8 chip_idh;
+	u8 chip_idl;
+	u8 rom_idh;
+	u8 rom_idl;
+	u8 pb_idh;
+	u8 pb_idl;
+	u8 bl_idh;
+	u8 bl_idl;
+};
+
+struct ts_ic_info {
+	bool is_incell;
+	bool hid_supported;
+	struct ft_chip_t ids;
+};
+
+/*****************************************************************************
+* DEBUG function define here
+*****************************************************************************/
+#if FTS_DEBUG_EN
+#define FTS_DEBUG(fmt, args...) do { \
+	printk("[FTS_TS]%s:"fmt"\n", __func__, ##args); \
+} while (0)
+
+#define FTS_FUNC_ENTER() do { \
+	printk("[FTS_TS]%s: Enter\n", __func__); \
+} while (0)
+
+#define FTS_FUNC_EXIT() do { \
+	printk("[FTS_TS]%s: Exit(%d)\n", __func__, __LINE__); \
+} while (0)
+#else /* #if FTS_DEBUG_EN*/
+#define FTS_DEBUG(fmt, args...)
+#define FTS_FUNC_ENTER()
+#define FTS_FUNC_EXIT()
+#endif
+
+#define FTS_INFO(fmt, args...) do { \
+	printk(KERN_INFO "[FTS_TS/I]%s:"fmt"\n", __func__, ##args); \
+} while (0)
+
+#define FTS_ERROR(fmt, args...) do { \
+	printk(KERN_ERR "[FTS_TS/E]%s:"fmt"\n", __func__, ##args); \
+} while (0)
+#endif /* __LINUX_FOCALTECH_COMMON_H__ */