Message-ID: <8322374EB97AA24A95D0DDBFC8F1CA1DBF96EA@SISMBEV01.sis.com.tw>
Date:	Fri, 9 Jan 2015 18:38:29 +0800
From:	曾婷葳 (tammy_tseng) <tammy_tseng@....com>
To:	<linux-kernel@...r.kernel.org>, <linux-input@...r.kernel.org>
Cc:	<tammy0524@...il.com>
Subject: [PATCH 2/2] INPUT/HID: add touch support for SiS touch driver

Hi,
This package of patch is to add support for multitouch behavior for SiS touch products.
The patch of SiS hid multitouch driver is in hid.

Signed-off-by: Tammy Tseng <tammy_tseng@....com>
--

diff --git a/linux-3.18.1/drivers/hid/Kconfig b/linux-3.18.1/drivers/hid/Kconfig
index 2be7677..f42df4d 100644
--- a/linux-3.18.1/drivers/hid/Kconfig
+++ b/linux-3.18.1/drivers/hid/Kconfig
@@ -494,35 +494,7 @@ config HID_MULTITOUCH
 	  If unsure, say N.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called hid-multitouch.  
-	  
-config HID_MT_DBG_POINT
-	bool "HID Multitouch panels debug for touch point"
-	depends on HID_MULTITOUCH
-	default n
-	---help---
-	  Show debug message for touch point information.
-
-config HID_MT_DBG_MAP_INIT
-	bool "HID Multitouch panels debug mapping initial"
-	depends on HID_MULTITOUCH
-	default n
-	---help---
-	  Show debug message for mapping initial information.  
-
-config HID_SIS_CTRL
-	tristate "SiS Touch Device Controller"
-	depends on HID_MULTITOUCH
-	---help---
-	Support for SiS Touch devices update FW.
-
-config DEBUG_HID_SIS_UPDATE_FW
-	bool "SiS Touch device debug message(update firmware)"
-	depends on HID_SIS_CTRL
-	default n
-	---help---
-	  Say Y here if you want to enable debug message(update firmware) for SiS Touch 
-          devices. Must enable config HID_SIS_UPDATE_FW first.
+	  module will be called hid-multitouch.
 
 config HID_NTRIG
 	tristate "N-Trig touch screen"
diff --git a/linux-3.18.1/drivers/hid/Makefile b/linux-3.18.1/drivers/hid/Makefile
index 02dc20d..e2850d8 100644
--- a/linux-3.18.1/drivers/hid/Makefile
+++ b/linux-3.18.1/drivers/hid/Makefile
@@ -33,7 +33,6 @@ ifdef CONFIG_DEBUG_FS
 	hid-wiimote-y	+= hid-wiimote-debug.o
 endif
 
-obj-$(CONFIG_HID_SIS_CTRL)	+= hid-sis_ctrl.o
 obj-$(CONFIG_HID_A4TECH)	+= hid-a4tech.o
 obj-$(CONFIG_HID_ACRUX)		+= hid-axff.o
 obj-$(CONFIG_HID_APPLE)		+= hid-apple.o
diff --git a/linux-3.18.1/drivers/hid/hid-ids.h b/linux-3.18.1/drivers/hid/hid-ids.h
index c598e8d..7c86373 100644
--- a/linux-3.18.1/drivers/hid/hid-ids.h
+++ b/linux-3.18.1/drivers/hid/hid-ids.h
@@ -807,7 +807,6 @@
 #define USB_VENDOR_ID_SIS_TOUCH		0x0457
 #define USB_DEVICE_ID_SIS9200_TOUCH	0x9200
 #define USB_DEVICE_ID_SIS817_TOUCH	0x0817
-#define USB_PRODUCT_ID_SISF817_TOUCH	0xF817
 #define USB_DEVICE_ID_SIS_TS		0x1013
 #define USB_DEVICE_ID_SIS1030_TOUCH	0x1030
 
diff --git a/linux-3.18.1/drivers/hid/hid-multitouch.c b/linux-3.18.1/drivers/hid/hid-multitouch.c
index 31e28dd..51e25b9 100644
--- a/linux-3.18.1/drivers/hid/hid-multitouch.c
+++ b/linux-3.18.1/drivers/hid/hid-multitouch.c
@@ -45,7 +45,7 @@
 #include <linux/usb.h>
 #include <linux/input/mt.h>
 #include <linux/string.h>
-#include "hid-sis_ctrl.h"
+
 
 MODULE_AUTHOR("Stephane Chatty <chatty@...c.fr>");
 MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@...il.com>");
@@ -1003,19 +1003,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	if (ret != 0)
 		return ret;
 
-	//SiS set noget for not init reports
-	hdev->quirks |= HID_QUIRK_NOGET;
-	printk(KERN_INFO "sis:sis-probe: quirk = %x\n", hdev->quirks);
-
-	//SiS FW update
-#ifdef CONFIG_HID_SIS_CTRL
-	ret = sis_setup_chardev(hdev);
-	if(ret)
-	{
-		printk( KERN_INFO "sis_setup_chardev fail\n");
-	}
-#endif	//CONFIG_HID_SIS_CTRL
-
 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 	if (ret)
 		return ret;
@@ -1054,10 +1041,6 @@ static int mt_resume(struct hid_device *hdev)
 
 static void mt_remove(struct hid_device *hdev)
 {
-	//SiS FW update
-#ifdef CONFIG_HID_SIS_CTRL
-	sis_deinit_chardev();
-#endif	//CONFIG_HID_SIS_CTRL
 	sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
 	hid_hw_stop(hdev);
 }
diff --git a/linux-3.18.1/drivers/hid/hid-sis_ctrl.c b/linux-3.18.1/drivers/hid/hid-sis_ctrl.c
deleted file mode 100644
index 2794b65..0000000
--- a/linux-3.18.1/drivers/hid/hid-sis_ctrl.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- *  Character device driver for SIS multitouch panels control
- *
- *  Copyright (c) 2009 SIS, Ltd.
- *
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- */
-
-#include <linux/hid.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-#include "usbhid/usbhid.h"
-#include <linux/init.h>
-
-//update FW
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <asm/uaccess.h>	//copy_from_user() & copy_to_user()
-
-#include "hid-ids.h"
-#include "hid-sis_ctrl.h"
-
-static int sis_char_devs_count = 1;        /* device count */
-static int sis_char_major = 0;
-static struct cdev sis_char_cdev;
-static struct class *sis_char_class = NULL;
-
-static struct hid_device *hid_dev_backup = NULL;  //backup address
-static struct urb *backup_urb = NULL;
-
-#ifdef CONFIG_DEBUG_HID_SIS_UPDATE_FW
-	#define DBG_FW(fmt, arg...)	printk( fmt, ##arg )
-	void sis_dbg_dump_array( u8 *ptr, u32 size)
-	{
-		u32 i;
-		for (i=0; i<size; i++)  
-		{
-			DBG_FW ("%02X ", ptr[i]);
-			if( ((i+1)&0xF) == 0)
-				DBG_FW ("\n");
-		}
-		if( size & 0xF)
-			DBG_FW ("\n");
-	}
-#else
-	#define DBG_FW(...)
-	#define sis_dbg_dump_array(...)
-#endif	// CONFIG_DEBUG_HID_SIS_UPDATE_FW
-
-
-int sis_cdev_open(struct inode *inode, struct file *filp)	//20120306 Yuger ioctl for tool
-{
-	struct usbhid_device *usbhid; 
-
-	DBG_FW( "%s\n" , __FUNCTION__ );
-	//20110511, Yuger, kill current urb by method of usbhid_stop
-	if ( !hid_dev_backup )
-	{
-		printk( KERN_INFO "(stop)hid_dev_backup is not initialized yet" );
-		return -1;
-	}
-
-	usbhid = hid_dev_backup->driver_data;
-
-	printk( KERN_INFO "sys_sis_HID_stop\n" );
-
-	//printk( KERN_INFO "hid_dev_backup->vendor, hid_dev_backup->product = %x %x\n", hid_dev_backup->vendor, hid_dev_backup->product );
-
-	//20110602, Yuger, fix bug: not contact usb cause kernel panic
-	if( !usbhid )
-	{
-		printk( KERN_INFO "(stop)usbhid is not initialized yet" );
-		return -1;
-	}
-	else if ( !usbhid->urbin )
-	{
-		printk( KERN_INFO "(stop)usbhid->urbin is not initialized yet" );
-		return -1;
-	}
-	else if (hid_dev_backup->vendor == USB_VENDOR_ID_SIS2_TOUCH)
-	{
-		usb_fill_int_urb(backup_urb, usbhid->urbin->dev, usbhid->urbin->pipe,
-			usbhid->urbin->transfer_buffer, usbhid->urbin->transfer_buffer_length,
-			usbhid->urbin->complete, usbhid->urbin->context, usbhid->urbin->interval);
-
-                clear_bit( HID_STARTED, &usbhid->iofl );
-                set_bit( HID_DISCONNECTED, &usbhid->iofl );
-
-                usb_kill_urb( usbhid->urbin );
-                usb_free_urb( usbhid->urbin );
-                usbhid->urbin = NULL;
-		return 0;
-	}
-    else	
-	{
-		printk (KERN_INFO "This is not a SiS device");
-		return -801;
-	}
-}
-
-int sis_cdev_release(struct inode *inode, struct file *filp)
-{
-	//20110505, Yuger, rebuild the urb which is at the same urb address, then re-submit it
-
-	int ret;
-	struct usbhid_device *usbhid;
-	unsigned long flags;
-	
-	DBG_FW( "%s: " , __FUNCTION__ );
-	
-	if ( !hid_dev_backup )
-	{
-		printk( KERN_INFO "(stop)hid_dev_backup is not initialized yet" );
-		return -1;
-	}
-
-	usbhid = hid_dev_backup->driver_data;
-
-	printk( KERN_INFO "sys_sis_HID_start" );
-
-	if( !usbhid )
-	{
-		printk( KERN_INFO "(start)usbhid is not initialized yet" );
-		return -1;
-	}
-
-	if( !backup_urb )
-	{
-		printk( KERN_INFO "(start)backup_urb is not initialized yet" );
-		return -1;
-	}
-
-	clear_bit( HID_DISCONNECTED, &usbhid->iofl );
-	usbhid->urbin = usb_alloc_urb( 0, GFP_KERNEL );
-
-	if( !backup_urb->interval )
-	{
-		printk( KERN_INFO "(start)backup_urb->interval does not exist" );
-		return -1;
-	}
-
-	usb_fill_int_urb(usbhid->urbin, backup_urb->dev, backup_urb->pipe, 
-		backup_urb->transfer_buffer, backup_urb->transfer_buffer_length, 
-		backup_urb->complete, backup_urb->context, backup_urb->interval);
-	usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
-	usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	set_bit( HID_STARTED, &usbhid->iofl );
-
-	//method at hid_start_in
-	spin_lock_irqsave( &usbhid->lock, flags );		
-	ret = usb_submit_urb( usbhid->urbin, GFP_ATOMIC );
-	spin_unlock_irqrestore( &usbhid->lock, flags );
-	//yy
-
-	DBG_FW( "ret = %d", ret );
-
-	return ret;
-}
-
-//SiS 817 only
-ssize_t sis_cdev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
-	int actual_length = 0, timeout = 0;
-	u8 *rep_data = NULL;
-	u16 size = 0;
-	long rep_ret;
-	struct usb_interface *intf = to_usb_interface(hid_dev_backup->dev.parent);
-	struct usb_device *dev = interface_to_usbdev(intf);
-
-	DBG_FW( "%s\n" , __FUNCTION__ );
-	
-	size = (((u16)(buf[64] & 0xff)) << 24) + (((u16)(buf[65] & 0xff)) << 16) + 
-		(((u16)(buf[66] & 0xff)) << 8) + (u16)(buf[67] & 0xff);
-	timeout = (((int)(buf[68] & 0xff)) << 24) + (((int)(buf[69] & 0xff)) << 16) + 
-		(((int)(buf[70] & 0xff)) << 8) + (int)(buf[71] & 0xff);
-
-	rep_data = kzalloc(size, GFP_KERNEL);
-	if (!rep_data)
-		return -12;
-
-	if ( copy_from_user( rep_data, (void*)buf, size) ) 
-	{
-		printk( KERN_INFO "copy_to_user fail\n" );
-		//free allocated data
-		kfree( rep_data );
-		rep_data = NULL;
-		return -19;
-	}
-
-	rep_ret = usb_interrupt_msg(dev, backup_urb->pipe,
-		rep_data, size, &actual_length, timeout);
-
-	DBG_FW( "%s: rep_data = ", __FUNCTION__);
-	sis_dbg_dump_array( rep_data, 8);
-		
-	if( rep_ret == 0 )
-	{
-		rep_ret = actual_length;
-		if ( copy_to_user( (void*)buf, rep_data, rep_ret ) ) 
-		{
-			printk( KERN_INFO "copy_to_user fail\n" );
-			//free allocated data
-			kfree( rep_data );
-			rep_data = NULL;
-			return -19;
-		}
-	}
-
-	//free allocated data
-	kfree( rep_data );
-	rep_data = NULL;
-	DBG_FW( "%s: rep_ret = %ld\n", __FUNCTION__,rep_ret );
-	return rep_ret;
-}
-
-ssize_t sis_cdev_write( struct file *file, const char __user *buf, size_t count, loff_t *f_pos )
-{
-	int actual_length = 0;
-	u8 *rep_data = NULL;
-	long rep_ret;
-	struct usb_interface *intf = to_usb_interface( hid_dev_backup->dev.parent );
-	struct usb_device *dev = interface_to_usbdev( intf );
-	struct usbhid_device *usbhid = hid_dev_backup->driver_data;
-
-	u16 size = (((u16)(buf[64] & 0xff)) << 24) + (((u16)(buf[65] & 0xff)) << 16) + 
-		(((u16)(buf[66] & 0xff)) << 8) + (u16)(buf[67] & 0xff);
-	int timeout = (((int)(buf[68] & 0xff)) << 24) + (((int)(buf[69] & 0xff)) << 16) + 
-		(((int)(buf[70] & 0xff)) << 8) + (int)(buf[71] & 0xff);
-	
-	DBG_FW( "%s: 817 method, " , __FUNCTION__ );
-	DBG_FW("timeout = %d, size %d\n", timeout, size);
-
-	rep_data = kzalloc(size, GFP_KERNEL);
-	if (!rep_data)
-		return -12;
-
-	if ( copy_from_user( rep_data, (void*)buf, size) ) 
-	{
-		printk( KERN_INFO "copy_to_user fail\n" );
-		//free allocated data
-		kfree( rep_data );
-		rep_data = NULL;
-		return -19;
-	}
-
-	rep_ret = usb_interrupt_msg( dev, usbhid->urbout->pipe,
-		rep_data, size, &actual_length, timeout );
-	
-	DBG_FW( "%s: rep_data = ", __FUNCTION__);
-	sis_dbg_dump_array( rep_data, size);
-	
-	if( rep_ret == 0 )
-	{
-		rep_ret = actual_length;
-		if ( copy_to_user( (void*)buf, rep_data, rep_ret ) ) 
-		{
-			printk( KERN_INFO "copy_to_user fail\n" );
-			//free allocated data
-			kfree( rep_data );
-			rep_data = NULL;
-			return -19;
-		}
-	}
-	DBG_FW( "%s: rep_ret = %ld\n", __FUNCTION__,rep_ret );
-	
-	//free allocated data
-	kfree( rep_data );
-	rep_data = NULL;
-
-	DBG_FW( "End of sys_sis_HID_IO\n" );
-	return rep_ret;
-}
-
-
-//for ioctl
-static const struct file_operations sis_cdev_fops = {
-	.owner	= THIS_MODULE,
-	.read	= sis_cdev_read,
-	.write	= sis_cdev_write,
-	.open	= sis_cdev_open,
-	.release= sis_cdev_release,
-};
-
-//for ioctl
-int sis_setup_chardev(struct hid_device *hdev)
-{
-	
-	dev_t dev = MKDEV(sis_char_major, 0);
-	int alloc_ret = 0;
-	int cdev_err = 0;
-	int input_err = 0;
-	struct device *class_dev = NULL;
-	void *ptr_err;
-	
-	printk("sis_setup_chardev.\n");
-	hid_dev_backup = hdev;
-	
-	backup_urb = usb_alloc_urb(0, GFP_KERNEL); //0721test
-	if (!backup_urb) {
-		dev_err(&hdev->dev, "cannot allocate backup_urb\n");
-		return -ENOMEM;
-	}
-/*	
-	if (nd == NULL) 
-	{
-          input_err = -ENOMEM;
-          goto error;
-	} 
-*/
-	// dynamic allocate driver handle
-	if (hdev->product == USB_PRODUCT_ID_SISF817_TOUCH)
-		alloc_ret = alloc_chrdev_region(&dev, 0, sis_char_devs_count, SISF817_DEVICE_NAME);
-	else
-		alloc_ret = alloc_chrdev_region(&dev, 0, sis_char_devs_count, SIS817_DEVICE_NAME);
-		
-	if (alloc_ret)
-		goto error;
-		
-	sis_char_major  = MAJOR(dev);
-	cdev_init(&sis_char_cdev, &sis_cdev_fops);
-	sis_char_cdev.owner = THIS_MODULE;
-	cdev_err = cdev_add(&sis_char_cdev, MKDEV(sis_char_major, 0), sis_char_devs_count);
-	if (cdev_err) 
-		goto error;
-
-	if (hdev->product == USB_PRODUCT_ID_SISF817_TOUCH)
-		printk(KERN_INFO "%s driver(major %d) installed.\n", SISF817_DEVICE_NAME, sis_char_major);
-	else
-		printk(KERN_INFO "%s driver(major %d) installed.\n", SIS817_DEVICE_NAME, sis_char_major);
-
-	// register class
-	if (hdev->product == USB_PRODUCT_ID_SISF817_TOUCH)
-		sis_char_class = class_create(THIS_MODULE, SISF817_DEVICE_NAME);
-	else if (hdev->product == USB_PRODUCT_ID_SIS817_TOUCH)
-		sis_char_class = class_create(THIS_MODULE, SIS817_DEVICE_NAME);
-
-	if(IS_ERR(ptr_err = sis_char_class)) 
-	{
-		goto err2;
-	}
-
-	if (hdev->product == USB_PRODUCT_ID_SISF817_TOUCH)
-		class_dev = device_create(sis_char_class, NULL, MKDEV(sis_char_major, 0), NULL, SISF817_DEVICE_NAME);
-	else if (hdev->product == USB_PRODUCT_ID_SIS817_TOUCH)
-		class_dev = device_create(sis_char_class, NULL, MKDEV(sis_char_major, 0), NULL, SIS817_DEVICE_NAME);
-
-	if(IS_ERR(ptr_err = class_dev)) 
-	{
-		goto err;
-	}
-	
-	return 0;
-error:
-	if (cdev_err == 0)
-		cdev_del(&sis_char_cdev);
-	if (alloc_ret == 0)
-		unregister_chrdev_region(MKDEV(sis_char_major, 0), sis_char_devs_count);
-	if(input_err != 0)
-	{
-		printk("sis_ts_bak error!\n");
-	}
-err:
-	device_destroy(sis_char_class, MKDEV(sis_char_major, 0));
-err2:
-	class_destroy(sis_char_class);
-	return -1;
-}
-EXPORT_SYMBOL(sis_setup_chardev);
-
-void sis_deinit_chardev(void)
-{
-	//for ioctl
-	dev_t dev;
-	printk(KERN_INFO "sis_remove\n");
-
-	dev = MKDEV(sis_char_major, 0);
-	cdev_del(&sis_char_cdev);
-	unregister_chrdev_region(dev, sis_char_devs_count);
-	device_destroy(sis_char_class, MKDEV(sis_char_major, 0));
-	class_destroy(sis_char_class);
-	usb_kill_urb( backup_urb );
-	usb_free_urb( backup_urb );
-	backup_urb = NULL;
-	hid_dev_backup = NULL;
-	
-}
-EXPORT_SYMBOL(sis_deinit_chardev);
-
-MODULE_DESCRIPTION("SiS 817 Touchscreen Control Driver");
-MODULE_LICENSE("GPL");
diff --git a/linux-3.18.1/drivers/hid/hid-sis_ctrl.h b/linux-3.18.1/drivers/hid/hid-sis_ctrl.h
deleted file mode 100644
index c7425c5..0000000
--- a/linux-3.18.1/drivers/hid/hid-sis_ctrl.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#ifndef __HID_SIS_CTRL_H__
-#define __HID_SIS_CTRL_H__
-
-#define SIS817_DEVICE_NAME "sis_aegis_hid_touch_device"
-#define SISF817_DEVICE_NAME "sis_aegis_hid_bridge_touch_device"
-
-#define CTRL 0
-#define ENDP_01 1
-#define ENDP_02 2
-#define DIR_IN 0x1
-
-int sis_cdev_open(struct inode *inode, struct file *filp);
-int sis_cdev_release(struct inode *inode, struct file *filp);
-ssize_t sis_cdev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos);
-ssize_t sis_cdev_write( struct file *file, const char __user *buf, size_t count, loff_t *f_pos );
-int sis_setup_chardev(struct hid_device *hdev);
-void sis_deinit_chardev(void);
-
-#endif	// __HID_SIS_CTRL_H__
--
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