input: touchscreen: add focaltech touch

Signed-off-by: Weixin Zhou <zwx@rock-chips.com>
Change-Id: Idd0d772225ed11a5080649d8e962e5cb4c2b89b7

drivers/input/touchscreen/Kconfig

@@ -376,6 +376,14 @@ config TOUCHSCREEN_EXC3000
 	  To compile this driver as a module, choose M here: the
 	  module will be called exc3000.
 
+config TOUCHSCREEN_FTS
+	tristate "Focaltech Touchscreen"
+	depends on I2C
+	default n
+	help
+	  Say Y here if you have Focaltech touch panel.
+	  If unsure, say N.
+
 config TOUCHSCREEN_FUJITSU
 	tristate "Fujitsu serial touchscreen"
 	select SERIO

drivers/input/touchscreen/Makefile

@@ -44,6 +44,7 @@ obj-$(CONFIG_TOUCHSCREEN_ELO)		+= elo.o
 obj-$(CONFIG_TOUCHSCREEN_EGALAX)	+= egalax_ts.o
 obj-$(CONFIG_TOUCHSCREEN_EGALAX_SERIAL)	+= egalax_ts_serial.o
 obj-$(CONFIG_TOUCHSCREEN_EXC3000)	+= exc3000.o
+obj-$(CONFIG_TOUCHSCREEN_FTS)		+= focaltech_touch/
 obj-$(CONFIG_TOUCHSCREEN_FUJITSU)	+= fujitsu_ts.o
 obj-$(CONFIG_TOUCHSCREEN_GOODIX)	+= goodix.o
 obj-$(CONFIG_TOUCHSCREEN_GSL3673)	+= gsl3673-ts.o

drivers/input/touchscreen/focaltech_touch/Makefile

@@ -5,14 +5,15 @@
 
 # Each configuration option enables a list of files.
 
-obj-y	+=  focaltech_core.o
-obj-y	+=  focaltech_ex_fun.o
-obj-y	+=  focaltech_ex_mode.o
-obj-y	+=  focaltech_flash.o
-obj-y	+=  focaltech_gesture.o
-obj-y	+=  focaltech_esdcheck.o
-obj-y   +=  focaltech_i2c.o
-obj-y   +=  focaltech_point_report_check.o
-obj-y   +=  focaltech_flash/
-obj-y   +=  focaltech_test/
+obj-$(CONFIG_TOUCHSCREEN_FTS) += focaltech-ts.o
+focaltech-ts-y += focaltech_core.o
+focaltech-ts-y += focaltech_ex_fun.o
+focaltech-ts-y += focaltech_ex_mode.o
+focaltech-ts-y += focaltech_flash.o
+focaltech-ts-y += focaltech_gesture.o
+focaltech-ts-y += focaltech_esdcheck.o
+focaltech-ts-y += focaltech_i2c.o
+focaltech-ts-y += focaltech_point_report_check.o
+focaltech-ts-y += focaltech_upgrade_ft8201.o
+focaltech-ts-y += focaltech_test/
 

drivers/input/touchscreen/focaltech_touch/focaltech_flash.c

@@ -35,6 +35,7 @@
 #include "focaltech_core.h"
 #include "focaltech_flash.h"
 
+#define vfs_read(fp, buf, len, pos) kernel_read(fp, buf, len, pos)
 /*****************************************************************************
 * Static variables
 *****************************************************************************/

drivers/input/touchscreen/focaltech_touch/focaltech_flash/Makefile

@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-# Makefile for the focaltech touchscreen drivers.
-#
-
-# Each configuration option enables a list of files.
-
-
-obj-y += focaltech_upgrade_ft8201.o

drivers/input/touchscreen/focaltech_touch/focaltech_test/focaltech_test_ini.c

@@ -128,22 +128,6 @@ static int fts_strncmp(const char *cs, const char *ct, int count)
     return 0;
 }
 
-static int isspace(int x)
-{
-    if (x == ' ' || x == '\t' || x == '\n' || x == '\f' || x == '\b' || x == '\r')
-        return 1;
-    else
-        return 0;
-}
-
-static int isdigit(int x)
-{
-    if (x <= '9' && x >= '0')
-        return 1;
-    else
-        return 0;
-}
-
 static long fts_atol(char *nptr)
 {
     int c; /* current char */

drivers/input/touchscreen/focaltech_touch/focaltech_upgrade_ft8201.c

@@ -32,14 +32,14 @@
 /*****************************************************************************
 * 1.Included header files
 *****************************************************************************/
-#include "../focaltech_core.h"
-#include "../focaltech_flash.h"
+#include "focaltech_core.h"
+#include "focaltech_flash.h"
 
 /*****************************************************************************
 * Global variable or extern global variabls/functions
 *****************************************************************************/
 u8 pb_file_ft8006m[] = {
-#include "../include/pramboot/FT8006M_Pramboot_V1.6_20180426_le.h"
+#include "include/pramboot/FT8006M_Pramboot_V1.6_20180426_le.h"
 };
 
 /*****************************************************************************