[PATCH 1/2] INPUT/HID: add touch support for SiS touch driver
From: 曾婷葳 (tammy_tseng)
Date: Fri Jan 09 2015 - 05:44:19 EST
Hi,
This package of patch is to add support for multitouch behavior for SiS touch products.
The patch of SiS i2c multitouch driver is in input/touchscreen.
Signed-off-by: Tammy Tseng <tammy_tseng@xxxxxxx>
--
diff --git a/linux-3.18.1/drivers/input/touchscreen/Kconfig b/linux-3.18.1/drivers/input/touchscreen/Kconfig
index edc8e27..e1d8003 100644
--- a/linux-3.18.1/drivers/input/touchscreen/Kconfig
+++ b/linux-3.18.1/drivers/input/touchscreen/Kconfig
@@ -962,18 +962,4 @@ config TOUCHSCREEN_ZFORCE
To compile this driver as a module, choose M here: the
module will be called zforce_ts.
-config TOUCHSCREEN_SIS_I2C
- tristate "SiS 9200 family I2C touchscreen driver"
- depends on I2C
- default y
- help
- This enables support for SiS 9200 family over I2C based touchscreens.
-
-config FW_SUPPORT_POWERMODE
- default n
- bool "SiS FW support power mode"
- depends on TOUCHSCREEN_SIS_I2C
- help
- This enables support power mode provided by SiS firmwave
-
endif
diff --git a/linux-3.18.1/drivers/input/touchscreen/Makefile b/linux-3.18.1/drivers/input/touchscreen/Makefile
index e316477..090e61c 100644
--- a/linux-3.18.1/drivers/input/touchscreen/Makefile
+++ b/linux-3.18.1/drivers/input/touchscreen/Makefile
@@ -6,10 +6,6 @@
wm97xx-ts-y := wm97xx-core.o
-ifdef CONFIG_TOUCHSCREEN_SIS_I2C
-obj-$(CONFIG_TOUCHSCREEN_SIS_I2C) += sis_i2c.o
-endif
-
obj-$(CONFIG_OF_TOUCHSCREEN) += of_touchscreen.o
obj-$(CONFIG_TOUCHSCREEN_88PM860X) += 88pm860x-ts.o
obj-$(CONFIG_TOUCHSCREEN_AD7877) += ad7877.o
diff --git a/linux-3.18.1/drivers/input/touchscreen/sis_i2c.c b/linux-3.18.1/drivers/input/touchscreen/sis_i2c.c
deleted file mode 100644
index 2e6fc1a..0000000
--- a/linux-3.18.1/drivers/input/touchscreen/sis_i2c.c
+++ /dev/null
@@ -1,1725 +0,0 @@
-/* drivers/input/touchscreen/sis_i2c.c - I2C Touch panel driver for SiS 9200 family
- *
- * Copyright (C) 2011 SiS, Inc.
- *
- * 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.
- *
- * Date: 2012/11/13
- * Version: Android_v2.05.00-A639-1113
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#ifdef CONFIG_HAS_EARLYSUSPEND
-#include <linux/earlysuspend.h>
-#endif
-#include <linux/hrtimer.h>
-#include <linux/i2c.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include "sis_i2c.h"
-#include <linux/linkage.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <asm/uaccess.h>
-#include <linux/irq.h>
-
-#ifdef _STD_RW_IO
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#define DEVICE_NAME "sis_aegis_touch_device"
-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;
-#endif
-
-/* Addresses to scan */
-static const unsigned short normal_i2c[] = { SIS_SLAVE_ADDR, I2C_CLIENT_END };
-static struct workqueue_struct *sis_wq;
-struct sis_ts_data *ts_bak = 0;
-struct sisTP_driver_data *TPInfo = NULL;
-static void sis_tpinfo_clear(struct sisTP_driver_data *TPInfo, int max);
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-static void sis_ts_early_suspend(struct early_suspend *h);
-static void sis_ts_late_resume(struct early_suspend *h);
-#endif
-
-#ifdef CONFIG_X86
-//static const struct i2c_client_address_data addr_data;
-/* Insmod parameters */
-static int sis_ts_detect(struct i2c_client *client, struct i2c_board_info *info);
-#endif
-
-#ifdef _CHECK_CRC
-uint16_t cal_crc (char* cmd, int start, int end);
-#endif
-
-void PrintBuffer(int start, int length, char* buf)
-{
- int i;
- for ( i = start; i < length; i++ )
- {
- printk("%02x ", buf[i]);
- if (i != 0 && i % 30 == 0)
- printk("\n");
- }
- printk("\n");
-}
-
-int sis_command_for_write(struct i2c_client *client, int wlength, unsigned char *wdata)
-{
- int ret = -1;
- struct i2c_msg msg[1];
-
- msg[0].addr = client->addr;
- msg[0].flags = 0; //Write
- msg[0].len = wlength;
- msg[0].buf = (unsigned char *)wdata;
-
- ret = i2c_transfer(client->adapter, msg, 1);
-
- return ret;
-}
-
-int sis_command_for_read(struct i2c_client *client, int rlength, unsigned char *rdata)
-{
- int ret = -1;
- struct i2c_msg msg[1];
-
- msg[0].addr = client->addr;
- msg[0].flags = I2C_M_RD; //Read
- msg[0].len = rlength;
- msg[0].buf = rdata;
-
- ret = i2c_transfer(client->adapter, msg, 1);
-
- return ret;
-}
-
-int sis_cul_unit(uint8_t report_id)
-{
- int basic = 6;
- int area = 2;
- int pressure = 1;
- int ret = basic;
-
- if (report_id != ALL_IN_ONE_PACKAGE)
- {
- if (IS_AREA(report_id) /*&& IS_TOUCH(report_id)*/)
- {
- ret += area;
- }
- if (IS_PRESSURE(report_id))
- {
- ret += pressure;
- }
- }
-
- return ret;
-}
-
-int sis_ReadPacket(struct i2c_client *client, uint8_t cmd, uint8_t* buf)
-{
- uint8_t tmpbuf[MAX_BYTE] = {0}; //MAX_BYTE = 64;
-#ifdef _CHECK_CRC
- uint16_t buf_crc = 0;
- uint16_t package_crc = 0;
- int l_package_crc = 0;
- int crc_end = 0;
-#endif
- int ret = -1;
- int touchnum = 0;
- int p_count = 0;
- int touc_formate_id = 0;
- int locate = 0;
- bool read_first = true;
-
-/*
- New i2c format
- * buf[0] = Low 8 bits of byte count value
- * buf[1] = High 8 bits of byte counte value
- * buf[2] = Report ID
- * buf[touch num * 6 + 2 ] = Touch informations; 1 touch point has 6 bytes, it could be none if no touch
- * buf[touch num * 6 + 3] = Touch numbers
- *
- * One touch point information include 6 bytes, the order is
- *
- * 1. status = touch down or touch up
- * 2. id = finger id
- * 3. x axis low 8 bits
- * 4. x axis high 8 bits
- * 5. y axis low 8 bits
- * 6. y axis high 8 bits
- *
-*/
- do
- {
- if (locate >= PACKET_BUFFER_SIZE)
- {
- printk(KERN_ERR "sis_ReadPacket: Buf Overflow\n");
- return -1;
- }
-
- ret = sis_command_for_read(client, MAX_BYTE, tmpbuf);
-
-#ifdef _DEBUG_PACKAGE
- printk(KERN_INFO "chaoban test: Buf_Data [0~63] \n");
- PrintBuffer(0, 64, tmpbuf);
-#endif
-
- if(ret < 0 )
- {
- printk(KERN_ERR "sis_ReadPacket: i2c transfer error\n");
- return ret;
- }
- // error package length of receiving data
- else if (tmpbuf[P_BYTECOUNT] > MAX_BYTE)
- {
- printk(KERN_ERR "sis_ReadPacket: Error Bytecount\n");
- return -1;
- }
-
- if (read_first)
- {
-#ifdef _SUPPORT_BUTTON_TOUCH
- // access BUTTON TOUCH event and BUTTON NO TOUCH event
- if (tmpbuf[P_REPORT_ID] == BUTTON_FORMAT)
- {
- memcpy(&buf[0], &tmpbuf[0], 7);
- return touchnum; //touchnum is 0
- }
-#endif
- // access NO TOUCH event unless BUTTON NO TOUCH event
- if (tmpbuf[P_BYTECOUNT] == 0/*NO_TOUCH_BYTECOUNT*/)
- {
- return touchnum; //touchnum is 0
- }
- }
-
- //skip parsing data when two devices are registered at the same slave address
- //parsing data when P_REPORT_ID && 0xf is TOUCH_FORMAT or P_REPORT_ID is ALL_IN_ONE_PACKAGE
- touc_formate_id = tmpbuf[P_REPORT_ID] & 0xf;
- if ((touc_formate_id != TOUCH_FORMAT) && (touc_formate_id != HIDI2C_FORMAT) && (tmpbuf[P_REPORT_ID] != ALL_IN_ONE_PACKAGE))
- {
- printk(KERN_ERR "sis_ReadPacket: Error Report_ID\n");
- return -1;
- }
-
- p_count = (int) tmpbuf[P_BYTECOUNT] - 1; //start from 0
- if (tmpbuf[P_REPORT_ID] != ALL_IN_ONE_PACKAGE)
- {
- if (IS_TOUCH(tmpbuf[P_REPORT_ID]))
- {
- p_count -= BYTE_CRC_I2C; //delete 2 byte crc
- }
- else if (IS_HIDI2C(tmpbuf[P_REPORT_ID]))
- {
- p_count -= BYTE_CRC_HIDI2C;
- }
- else //should not be happen
- {
- printk(KERN_ERR "sis_ReadPacket: delete crc error\n");
- return -1;
- }
-
- if (IS_SCANTIME(tmpbuf[P_REPORT_ID]))
- {
- p_count -= BYTE_SCANTIME;
- }
- }
- //else {} // For ALL_IN_ONE_PACKAGE
-
- if (read_first)
- {
- touchnum = tmpbuf[p_count];
- }
- else
- {
- if (tmpbuf[p_count] != 0)
- {
- printk(KERN_ERR "sis_ReadPacket: get error package\n");
- return -1;
- }
- }
-
-#ifdef _CHECK_CRC
- crc_end = p_count + (IS_SCANTIME(tmpbuf[P_REPORT_ID]) * 2);
- buf_crc = cal_crc(tmpbuf, 2, crc_end); //sub bytecount (2 byte)
- l_package_crc = p_count + 1 + (IS_SCANTIME(tmpbuf[P_REPORT_ID]) * 2);
- package_crc = ((tmpbuf[l_package_crc] & 0xff) | ((tmpbuf[l_package_crc + 1] & 0xff) << 8));
-
- if (buf_crc != package_crc)
- {
- printk(KERN_ERR "sis_ReadPacket: CRC Error\n");
- return -1;
- }
-#endif
- memcpy(&buf[locate], &tmpbuf[0], 64); //Buf_Data [0~63] [64~128]
- locate += 64;
- read_first = false;
-
- }while(tmpbuf[P_REPORT_ID] != ALL_IN_ONE_PACKAGE && tmpbuf[p_count] > 5);
-
- return touchnum;
-}
-
-
-int check_gpio_interrupt(void)
-{
- int ret = 0;
- //TODO
- //CHECK GPIO INTERRUPT STATUS BY YOUR PLATFORM SETTING.
- ret = gpio_get_value(GPIO_IRQ);
- return ret;
-}
-
-void ts_report_key(struct i2c_client *client, uint8_t keybit_state)
-{
- int i = 0;
- uint8_t diff_keybit_state= 0x0; //check keybit_state is difference with pre_keybit_state
- uint8_t key_value = 0x0; //button location for binary
- uint8_t key_pressed = 0x0; //button is up or down
- struct sis_ts_data *ts = i2c_get_clientdata(client);
-
- if (!ts)
- {
- printk(KERN_ERR "%s error: Missing Platform Data!\n", __func__);
- return;
- }
-
- diff_keybit_state = TPInfo->pre_keybit_state ^ keybit_state;
-
- if (diff_keybit_state)
- {
- for (i = 0; i < BUTTON_KEY_COUNT; i++)
- {
- if ((diff_keybit_state >> i) & 0x01)
- {
- key_value = diff_keybit_state & (0x01 << i);
- key_pressed = (keybit_state >> i) & 0x01;
- switch (key_value)
- {
- case MSK_COMP:
- input_report_key(ts->input_dev, KEY_COMPOSE, key_pressed);
- printk(KERN_ERR "%s : MSK_COMP %d \n", __func__ , key_pressed);
- break;
- case MSK_BACK:
- input_report_key(ts->input_dev, KEY_BACK, key_pressed);
- printk(KERN_ERR "%s : MSK_BACK %d \n", __func__ , key_pressed);
- break;
- case MSK_MENU:
- input_report_key(ts->input_dev, KEY_MENU, key_pressed);
- printk(KERN_ERR "%s : MSK_MENU %d \n", __func__ , key_pressed);
- break;
- case MSK_HOME:
- input_report_key(ts->input_dev, KEY_HOME, key_pressed);
- printk(KERN_ERR "%s : MSK_HOME %d \n", __func__ , key_pressed);
- break;
- case MSK_NOBTN:
- //Release the button if it touched.
- default:
- break;
- }
- }
- }
- TPInfo->pre_keybit_state = keybit_state;
- }
-}
-
-
-static void sis_ts_work_func(struct work_struct *work)
-{
- struct sis_ts_data *ts = container_of(work, struct sis_ts_data, work);
- int ret = -1;
- int point_unit;
- uint8_t buf[PACKET_BUFFER_SIZE] = {0};
- uint8_t i = 0, fingers = 0;
- uint8_t px = 0, py = 0, pstatus = 0;
- uint8_t p_area = 0;
- uint8_t p_preasure = 0;
-#ifdef _SUPPORT_BUTTON_TOUCH
- int button_key;
- uint8_t button_buf[10] = {0};
-#endif
-
-#ifdef _ANDROID_4
- bool all_touch_up = true;
-#endif
-
- mutex_lock(&ts->mutex_wq);
-
- /* I2C or SMBUS block data read */
- ret = sis_ReadPacket(ts->client, SIS_CMD_NORMAL, buf);
-#ifdef _DEBUG_PACKAGE_WORKFUNC
- printk(KERN_INFO "chaoban test: Buf_Data [0~63] \n");
- PrintBuffer(0, 64, buf);
- if ((buf[P_REPORT_ID] != ALL_IN_ONE_PACKAGE) && (ret > 5))
- {
- printk(KERN_INFO "chaoban test: Buf_Data [64~125] \n");
- PrintBuffer(64, 128, buf);
- }
-#endif
-
-// add
-#ifdef _SUPPORT_BUTTON_TOUCH
- sis_ReadPacket(ts->client, SIS_CMD_NORMAL, button_buf);
-#endif
-
- if (ret < 0) // Error Number
- {
- printk(KERN_INFO "chaoban test: ret = -1\n");
- goto err_free_allocate;
- }
-#ifdef _SUPPORT_BUTTON_TOUCH
- // access BUTTON TOUCH event and BUTTON NO TOUCH even
- else if (button_buf[P_REPORT_ID] == BUTTON_FORMAT)
- {
- //fingers = 0; //modify
- button_key = ((button_buf[BUTTON_STATE] & 0xff) | ((button_buf[BUTTON_STATE + 1] & 0xff)<< 8));
- ts_report_key(ts->client, button_key);
- //goto err_free_allocate; //modify
- }
-#endif
- // access NO TOUCH event unless BUTTON NO TOUCH event
- else if (ret == 0)
- {
- fingers = 0;
- sis_tpinfo_clear(TPInfo, MAX_FINGERS);
- goto label_send_report; //need to report input_mt_sync()
- }
-
- sis_tpinfo_clear(TPInfo, MAX_FINGERS);
-
- /* Parser and Get the sis9200 data */
- point_unit = sis_cul_unit(buf[P_REPORT_ID]);
- fingers = ret;
-
- TPInfo->fingers = fingers = (fingers > MAX_FINGERS ? 0 : fingers);
-
- for (i = 0; i < fingers; i++) // fingers 10 = 0 ~ 9
- {
- if ((buf[P_REPORT_ID] != ALL_IN_ONE_PACKAGE) && (i >= 5))
- {
- pstatus = BYTE_BYTECOUNT + BYTE_ReportID + ((i - 5) * point_unit); // Calc point status
- pstatus += 64;
- }
- else
- {
- pstatus = BYTE_BYTECOUNT + BYTE_ReportID + (i * point_unit); // Calc point status
- }
-
- px = pstatus + 2; // Calc point x_coord
- py = px + 2; // Calc point y_coord
-
- if ((buf[pstatus]) == TOUCHUP)
- {
- TPInfo->pt[i].Width = 0;
- TPInfo->pt[i].Height = 0;
- TPInfo->pt[i].Pressure = 0;
- }
- else if (buf[P_REPORT_ID] == ALL_IN_ONE_PACKAGE && (buf[pstatus]) == TOUCHDOWN)
- {
- TPInfo->pt[i].Width = 1;
- TPInfo->pt[i].Height = 1;
- TPInfo->pt[i].Pressure = 1;
- }
- else if ((buf[pstatus]) == TOUCHDOWN)
- {
- p_area = py + 2;
- p_preasure = py + 2 + (IS_AREA(buf[P_REPORT_ID]) * 2);
-
- //area
- if (IS_AREA(buf[P_REPORT_ID]))
- {
- TPInfo->pt[i].Width = buf[p_area] & 0xff;
- TPInfo->pt[i].Height = buf[p_area + 1] & 0xff;
- }
- else
- {
- TPInfo->pt[i].Width = 1;
- TPInfo->pt[i].Height = 1;
- }
- //preasure
- if (IS_PRESSURE(buf[P_REPORT_ID]))
- TPInfo->pt[i].Pressure = (buf[p_preasure]);
- else
- TPInfo->pt[i].Pressure = 1;
- }
- else
- {
- printk(KERN_ERR "sis_ts_work_func: Error Touch Status\n");
- goto err_free_allocate;
- }
-
- TPInfo->pt[i].id = (buf[pstatus + 1]);
- TPInfo->pt[i].x = ((buf[px] & 0xff) | ((buf[px + 1] & 0xff)<< 8));
- TPInfo->pt[i].y = ((buf[py] & 0xff) | ((buf[py + 1] & 0xff)<< 8));
- }
-
-#ifdef _DEBUG_REPORT
- for (i = 0; i < TPInfo->fingers; i++)
- {
- printk(KERN_INFO "chaoban test: i = %d, id = %d, x = %d, y = %d, pstatus = %d, width = %d, height = %d, pressure = %d, \n", i, TPInfo->pt[i].id, TPInfo->pt[i].x, TPInfo->pt[i].y, buf[pstatus], TPInfo->pt[i].Width, TPInfo->pt[i].Height, TPInfo->pt[i].Pressure);
- }
-#endif
-
-label_send_report:
-/* Report co-ordinates to the multi-touch stack */
-#ifdef _ANDROID_4
- for(i = 0; ((i < TPInfo->fingers) && (i < MAX_FINGERS)); i++)
- {
- if(TPInfo->pt[i].Pressure)
- {
- TPInfo->pt[i].Width *= AREA_UNIT;
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, TPInfo->pt[i].Width);
- TPInfo->pt[i].Height *= AREA_UNIT;
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MINOR, TPInfo->pt[i].Height);
- input_report_abs(ts->input_dev, ABS_MT_PRESSURE, TPInfo->pt[i].Pressure);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_X, TPInfo->pt[i].x);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, TPInfo->pt[i].y);
- input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, TPInfo->pt[i].id); //Android 2.3
- input_mt_sync(ts->input_dev);
- all_touch_up = false;
- }
-
- if (i == (TPInfo->fingers -1) && all_touch_up == true)
- {
- input_mt_sync(ts->input_dev);
- }
- }
-
- if(TPInfo->fingers == 0)
- {
- input_mt_sync(ts->input_dev);
- }
-#else
- i = 0;
- do
- {
- input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, TPInfo->pt[i].Pressure);
- input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR, TPInfo->pt[i].Width);
- input_report_abs(ts->input_dev, ABS_MT_WIDTH_MINOR, TPInfo->pt[i].Height);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_X, TPInfo->pt[i].x);
- input_report_abs(ts->input_dev, ABS_MT_POSITION_Y, TPInfo->pt[i].y);
- input_report_abs(ts->input_dev, ABS_MT_TRACKING_ID, TPInfo->pt[i].id); //Android 2.3
- input_mt_sync(ts->input_dev);
- i++;
- }
- while ((i < TPInfo->fingers) && (i < MAX_FINGERS));
-#endif
- input_sync(ts->input_dev);
-
-err_free_allocate:
-
- if (ts->use_irq)
- {
-#ifdef _INT_MODE_1 //case 1 mode
- //TODO: After interrupt status low, read i2c bus data by polling, until interrupt status is high
- ret = check_gpio_interrupt(); //interrupt pin is still LOW, read data until interrupt pin is released.
- if (!ret)
- {
- hrtimer_start(&ts->timer, ktime_set(0, TIMER_NS), HRTIMER_MODE_REL);
- }
- else
- {
- if (TPInfo->pre_keybit_state)
- {
- ts_report_key(ts->client, 0x0); //clear for interrupt
- }
-
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#endif
- {
- enable_irq(ts->client->irq);
- }
- }
-#else // case 2 mode
-
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#endif
- {
- enable_irq(ts->client->irq);
- }
-#endif
- }
-
- mutex_unlock(&ts->mutex_wq);
- return;
-}
-
-static void sis_tpinfo_clear(struct sisTP_driver_data *TPInfo, int max)
-{
- int i = 0;
- for(i = 0; i < max; i++)
- {
- TPInfo->pt[i].id = -1;
- TPInfo->pt[i].x = 0;
- TPInfo->pt[i].y = 0;
- TPInfo->pt[i].Pressure = 0;
- TPInfo->pt[i].Width = 0;
- }
- TPInfo->id = 0x0;
- TPInfo->fingers = 0;
-}
-
-static enum hrtimer_restart sis_ts_timer_func(struct hrtimer *timer)
-{
- struct sis_ts_data *ts = container_of(timer, struct sis_ts_data, timer);
- queue_work(sis_wq, &ts->work);
- if (!ts->use_irq)
- { // For Polling mode
- hrtimer_start(&ts->timer, ktime_set(0, TIMER_NS), HRTIMER_MODE_REL);
- }
- return HRTIMER_NORESTART;
-}
-
-static irqreturn_t sis_ts_irq_handler(int irq, void *dev_id)
-{
- struct sis_ts_data *ts = dev_id;
-
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#endif
- {
- disable_irq_nosync(ts->client->irq);
- }
- queue_work(sis_wq, &ts->work);
-
- return IRQ_HANDLED;
-}
-
-static int initial_irq(void)
-{
- int ret = 0;
-#ifdef _I2C_INT_ENABLE
- /* initialize gpio and interrupt pins */
- /* TODO */
- ret = gpio_request(GPIO_IRQ, "GPIO_133"); // ex. GPIO_133 for interrupt mode
- if (ret < 0)
- {
- // Set Active Low. Please reference the file include/linux/interrupt.h
- printk(KERN_ERR "sis_ts_probe: Failed to gpio_request\n");
- printk(KERN_ERR "sis_ts_probe: Fail : gpio_request was called before this driver call\n");
- }
- /* setting gpio direction here OR boardinfo file*/
- /* TODO */
-#else
- ret = -1;
-#endif
- return ret;
-}
-
-uint16_t cal_crc (char* cmd, int start, int end)
-{
- int i = 0;
- uint16_t crc = 0;
- for (i = start; i <= end ; i++)
- {
- crc = (crc<<8) ^ crc16tab[((crc>>8) ^ cmd[i] )&0x00FF];
- }
- return crc;
-}
-
-uint16_t cal_crc_with_cmd (char* data, int start, int end, uint8_t cmd)
-{
- int i = 0;
- uint16_t crc = 0;
-
- crc = (crc<<8) ^ crc16tab[((crc>>8) ^ cmd)&0x00FF];
- for (i = start; i <= end ; i++)
- {
- crc = (crc<<8) ^ crc16tab[((crc>>8) ^ data[i] )&0x00FF];
- }
- return crc;
-}
-
-void write_crc (unsigned char *buf, int start, int end)
-{
- uint16_t crc = 0;
- crc = cal_crc (buf, start , end);
- buf[end+1] = (crc >> 8)& 0xff;
- buf[end+2] = crc & 0xff;
-}
-
-/*
- * When you will send commad to chip, you should use this function on
- * the first time.
- *
- * Return:If switch success return ture, else return false.
- */
-bool sis_switch_to_cmd_mode(struct i2c_client *client)
-{
- int ret = -1;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_active[10] = {0x04, 0x00, 0x08, 0x00, 0x09,
- 0x00, 0x85, 0x0d, 0x51, 0x09};
- uint8_t sis817_cmd_enable_diagnosis[10] = {0x04, 0x00, 0x08,
- 0x00, 0x09, 0x00, 0x85, 0x5c, 0x21, 0x01};
-
-
-
- //Send 85 CMD - PWR_CMD_ACTIVE
- ret = sis_command_for_write(client, sizeof(sis817_cmd_active), sis817_cmd_active);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Switch CMD Faile - 85(PWR_CMD_ACTIVE)\n");
- return false;
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Switch CMD Faile - 85(PWR_CMD_ACTIVE)\n");
- return false;
- }
-
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return NACK - 85(PWR_CMD_ACTIVE)\n");
- return false;
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return Unknow- 85(PWR_CMD_ACTIVE)\n");
- return false;
- }
-
- msleep(100);
- memset(tmpbuf, 0, sizeof(tmpbuf));
-
- //Send 85 CMD - ENABLE_DIAGNOSIS_MODE
- ret = sis_command_for_write(client, sizeof(sis817_cmd_enable_diagnosis), sis817_cmd_enable_diagnosis);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Switch CMD Faile - 85(ENABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Switch CMD Faile - 85(ENABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return NACK - 85(ENABLE_DIAGNOSIS_MODE)\n");
- return false;
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return Unknow- 85(ENABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- msleep(50);
- return true;
-}
-
-/*
- * When chip in the command mode will switch to work, you should use
- * this function.
- *
- * Return:If switch success return ture, else return false.
- */
-bool sis_switch_to_work_mode(struct i2c_client *client)
-{
- int ret = -1;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_fwctrl[10] = {0x04, 0x00, 0x08, 0x00, 0x09,
- 0x00, 0x85, 0x3c, 0x50, 0x09};
- uint8_t sis817_cmd_disable_diagnosis[10] = {0x04, 0x00, 0x08,
- 0x00, 0x09, 0x00, 0x85, 0x6d, 0x20, 0x01};
-
-
- //Send 85 CMD - PWR_CMD_FW_CTRL
- ret = sis_command_for_write(client, sizeof(sis817_cmd_fwctrl), sis817_cmd_fwctrl);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Switch CMD Faile - 85(PWR_CMD_FW_CTRL)\n");
- return false;
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Switch CMD Faile - 85(PWR_CMD_FW_CTRL)\n");
- return false;
- }
-
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return NACK - 85(PWR_CMD_FW_CTRL)\n");
- return false;
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return Unknow- 85(PWR_CMD_FW_CTRL)\n");
- return false;
- }
-
- memset(tmpbuf, 0, sizeof(tmpbuf));
-
- //Send 85 CMD - DISABLE_DIAGNOSIS_MODE
- ret = sis_command_for_write(client, sizeof(sis817_cmd_disable_diagnosis), sis817_cmd_disable_diagnosis);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Switch CMD Faile - 85(DISABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Switch CMD Faile - 85(DISABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return NACK - 85(DISABLE_DIAGNOSIS_MODE)\n");
- return false;
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Switch CMD Return Unknow- 85(DISABLE_DIAGNOSIS_MODE)\n");
- return false;
- }
-
- msleep(50);
- return true;
-}
-
-/*
- * Use this function get FW ID.
- */
-bool sis_get_fw_id(struct i2c_client *client)
-{
- int ret = 0;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_get_FW_ID[14] = {0x04, 0x00, 0x0c, 0x00, 0x09,
- 0x00, 0x86, 0x00, 0x0c, 0xc0, 0x00, 0xa0, 0x04, 0x00};
-
- sis817_cmd_get_FW_ID[BUF_CRC_PLACE] = (0xFF & cal_crc_with_cmd(sis817_cmd_get_FW_ID, 8, 13, 0x86));
-
- if(!sis_switch_to_cmd_mode(client)){
- printk(KERN_ERR "SiS Switch to CMD mode error.\n");
- return false;
- }
-
- ret = sis_command_for_write(client, sizeof(sis817_cmd_get_FW_ID), sis817_cmd_get_FW_ID);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Check FW Ready CMD Faile - 86\n");
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- printk(KERN_INFO "SiS FW ID : ");
- PrintBuffer(8, 12, tmpbuf);
-
- if(!sis_switch_to_work_mode(client)){
- printk(KERN_ERR "SiS Switch to Work mode error.\n");
- return false;
- }
-
- if(ret < 0) return false;
- return true;
-
-}
-
-/*
- * Use this function check chip status.
- *
- * Return:Ture is chip on the work function, else is chip not ready.
- */
-bool sis_check_fw_ready(struct i2c_client *client)
-{
- int ret = 0;
- int check_num = 10;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_check_ready[14] = {0x04, 0x00, 0x0c, 0x00, 0x09,
- 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x50, 0x34, 0x00};
-
-
- sis817_cmd_check_ready[BUF_CRC_PLACE] = (0xFF & cal_crc_with_cmd(sis817_cmd_check_ready, 8, 13, 0x86));
-
-
- if(!sis_switch_to_cmd_mode(client)){
- printk(KERN_ERR "SiS Switch to CMD mode error.\n");
- return false;
- }
-
- while(check_num--){
- printk(KERN_ERR "SiS Check FW Ready.\n");
- ret = sis_command_for_write(client, sizeof(sis817_cmd_check_ready), sis817_cmd_check_ready);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Check FW Ready CMD Faile - 86\n");
- }
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Check FW Ready CMD Return NACK\n");
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Check FW Ready CMD Return Unknow\n");
- }else{
- if(tmpbuf[9] == 1){
- printk(KERN_ERR "SiS FW READY.\n");
- break;
- }
- }
- printk(KERN_ERR "SiS CHECK FW READY - Retry:%d.\n", (10-check_num));
- msleep(50);
- }
-
- if(!sis_switch_to_work_mode(client)){
- printk(KERN_ERR "SiS Switch to Work mode error.\n");
- return false;
- }
-
- if(check_num == 0) return false;
- return true;
-
-}
-
-/*
- * Use this function to change chip power mode.
- *
- * mode:POWER_MODE_FWCTRL, power control by FW.
- * POWER_MODE_ACTIVE, chip always work on time.
- * POWER_MODE_SLEEP, chip on the sleep mode.
- *
- * Return:Ture is change power mode success.
- */
-bool sis_change_fw_mode(struct i2c_client *client, enum SIS_817_POWER_MODE mode)
-{
- int ret = -1;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_fwctrl[10] = {0x04, 0x00, 0x08, 0x00, 0x09, 0x00, 0x85, 0x3c, 0x50, 0x09};
- uint8_t sis817_cmd_active[10] = {0x04, 0x00, 0x08, 0x00, 0x09, 0x00, 0x85, 0x0d, 0x51, 0x09};
- uint8_t sis817_cmd_sleep[10] = {0x04, 0x00, 0x08, 0x00, 0x09, 0x00, 0x85, 0x5e, 0x52, 0x09};
-
-
- switch(mode)
- {
- case POWER_MODE_FWCTRL:
- ret = sis_command_for_write(client, sizeof(sis817_cmd_fwctrl), sis817_cmd_fwctrl);
- break;
- case POWER_MODE_ACTIVE:
- ret = sis_command_for_write(client, sizeof(sis817_cmd_active), sis817_cmd_active);
- break;
- case POWER_MODE_SLEEP:
- ret = sis_command_for_write(client, sizeof(sis817_cmd_sleep), sis817_cmd_sleep);
- break;
- default:
- return false;
- break;
- }
-
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Power CMD Faile - 85\n");
- return false;
- }
-
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Power CMD Faile - 85\n");
- return false;
- }
-
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Power CMD Return NACK - 85\n");
- return false;
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Power CMD Return Unknow- 85\n");
- return false;
- }
-
- msleep(100);
-
- return true;
-}
-
-/*
- * Use this function to get chip work status.
- *
- * Return:-1 is get firmware work status error.
- * POWER_MODE_FWCTRL, power control by FW.
- * POWER_MODE_ACTIVE, chip always work on time.
- * POWER_MODE_SLEEP, chip on the sleep mode.
- */
-enum SIS_817_POWER_MODE sis_get_fw_mode(struct i2c_client *client)
-{
- int ret;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_check_power_mode[14] = {0x04, 0x00, 0x0c, 0x00,
- 0x09, 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x50, 0x34, 0x00};
-
- printk(KERN_INFO "SiS Get FW Mode.\n");
- sis817_cmd_check_power_mode[BUF_CRC_PLACE] = (0xFF & cal_crc_with_cmd(sis817_cmd_check_power_mode, 8, 13, 0x86));
-
- ret = sis_command_for_write(client, sizeof(sis817_cmd_check_power_mode), sis817_cmd_check_power_mode);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Get FW Mode CMD Faile - 86\n");
- }else{
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if(ret < 0){
- printk(KERN_ERR "SiS READ Get FW Mode CMD Faile - 86\n");
- }else{
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Get FW Mode CMD Return NACK\n");
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Get FW Mode CMD Return Unknow\n");
- PrintBuffer(0, sizeof(tmpbuf), tmpbuf);
- }
- }
- }
-
- switch(tmpbuf[10])
- {
- case POWER_MODE_FWCTRL:
- return POWER_MODE_FWCTRL;
- case POWER_MODE_ACTIVE:
- return POWER_MODE_ACTIVE;
- case POWER_MODE_SLEEP:
- return POWER_MODE_SLEEP;
- default:
- break;
- }
-
- return -1;
-}
-
-/*
- * Use this function to reset chip.
- */
-void sis_fw_softreset(struct i2c_client *client)
-{
-
- int ret = 0;
- uint8_t tmpbuf[MAX_BYTE] = {0};
- uint8_t sis817_cmd_reset[8] = {0x04, 0x00, 0x06, 0x00, 0x09, 0x00, 0x82, 0x00};
-
-
- sis817_cmd_reset[BUF_CRC_PLACE] = (0xFF & cal_crc(sis817_cmd_reset, 6, 6));
-
- printk(KERN_ERR "SiS Software Reset.\n");
- if(!sis_switch_to_cmd_mode(client)){
- printk(KERN_ERR "SiS Switch to CMD mode error.\n");
- return;
- }
-
- ret = sis_command_for_write(client, sizeof(sis817_cmd_reset), sis817_cmd_reset);
- if(ret < 0){
- printk(KERN_ERR "SiS SEND Reset CMD Faile - 82\n");
- }
- ret = sis_command_for_read(client, sizeof(tmpbuf), tmpbuf);
- if((tmpbuf[BUF_ACK_PLACE_L] == BUF_NACK_L) && (tmpbuf[BUF_ACK_PLACE_H] == BUF_NACK_H)){
- printk(KERN_ERR "SiS SEND Reset CMD Return NACK - 85(DISABLE_DIAGNOSIS_MODE)\n");
- }else if((tmpbuf[BUF_ACK_PLACE_L] != BUF_ACK_L) || (tmpbuf[BUF_ACK_PLACE_H] != BUF_ACK_H)){
- printk(KERN_ERR "SiS SEND Reset CMD Return Unknow- 85(DISABLE_DIAGNOSIS_MODE)\n");
- }
- msleep(2000);
-}
-
-
-#ifdef _STD_RW_IO
-#define BUFFER_SIZE MAX_BYTE
-static ssize_t sis_cdev_write( struct file *file, const char __user *buf, size_t count, loff_t *f_pos )
-{
- int ret = 0;
- char *kdata;
- char cmd;
-
- printk(KERN_INFO "sis_cdev_write.\n");
-
- if (ts_bak == 0)
- return -13;
-
- ret = access_ok(VERIFY_WRITE, buf, BUFFER_SIZE);
- if (!ret) {
- printk(KERN_ERR "cannot access user space memory\n");
- return -11;
- }
-
- kdata = kmalloc(BUFFER_SIZE, GFP_KERNEL);
- if (kdata == 0)
- return -12;
-
- ret = copy_from_user(kdata, buf, BUFFER_SIZE);
- if (ret) {
- printk(KERN_ERR "copy_from_user fail\n");
- kfree(kdata);
- return -14;
- }
-#if 0
- PrintBuffer(0, count, kdata);
-#endif
-
- cmd = kdata[6];
-
- printk(KERN_INFO "io cmd=%02x\n", cmd);
-
-//Write & Read
- ret = sis_command_for_write(ts_bak->client, count, kdata);
- if (ret < 0) {
- printk(KERN_ERR "i2c_transfer write error %d\n", ret);
- kfree(kdata);
- return -21;
- }
-
- if ( copy_to_user((char*) buf, kdata, BUFFER_SIZE ) )
- {
- printk(KERN_ERR "copy_to_user fail\n" );
- ret = -19;
- }
-
- kfree( kdata );
-
- return ret;
-}
-
-//for get system time
-static ssize_t sis_cdev_read( struct file *file, char __user *buf, size_t count, loff_t *f_pos )
-{
- int ret = 0;
- char *kdata;
- char cmd;
- int i;
- printk(KERN_INFO "sis_cdev_read.\n");
-
- if (ts_bak == 0)
- return -13;
-
- ret = access_ok(VERIFY_WRITE, buf, BUFFER_SIZE);
- if (!ret) {
- printk(KERN_ERR "cannot access user space memory\n");
- return -11;
- }
-
- kdata = kmalloc(BUFFER_SIZE, GFP_KERNEL);
- if (kdata == 0)
- return -12;
-
- ret = copy_from_user(kdata, buf, BUFFER_SIZE);
- if (ret) {
- printk(KERN_ERR "copy_from_user fail\n");
- kfree(kdata);
- return -14;
- }
-#if 0
- PrintBuffer(0, count, kdata);
-#endif
- cmd = kdata[6];
- //for making sure AP communicates with SiS driver
- if(cmd == 0xa2)
- {
- kdata[0] = 5;
- kdata[1] = 0;
- kdata[3] = 'S';
- kdata[4] = 'i';
- kdata[5] = 'S';
- if ( copy_to_user((char*) buf, kdata, BUFFER_SIZE ) )
- {
- printk(KERN_ERR "copy_to_user fail\n" );
- kfree( kdata );
- return -19;
- }
-
- kfree( kdata );
- return 3;
- }
-//Write & Read
- ret = sis_command_for_read(ts_bak->client, MAX_BYTE, kdata);
- if (ret < 0) {
- printk(KERN_ERR "i2c_transfer read error %d\n", ret);
- kfree(kdata);
- return -21;
- }
-
- ret = kdata[0] | (kdata[1] << 8);
-
-/*
- for ( i = 0; i < BUFFER_SIZE - 1; i++ ) {
- kdata[i] = kdata[i+1];
- }
-*/
-
- printk(KERN_INFO "%d\n", ret);
-
- for ( i = 0; i < ret && i < BUFFER_SIZE; i++ )
- {
- printk("%02x ", kdata[i]);
- }
-
- printk( "\n" );
-
- if ( copy_to_user((char*) buf, kdata, BUFFER_SIZE ) )
- {
- printk(KERN_ERR "copy_to_user fail\n" );
- ret = -19;
- }
-
- kfree( kdata );
-
- return ret;
-}
-
-#undef BUFFER_SIZE
-
-static int sis_cdev_open(struct inode *inode, struct file *filp)
-{
- printk(KERN_INFO "sis_cdev_open.\n");
- if ( ts_bak == 0 )
- return -13;
-
- msleep(200);
- if (ts_bak->use_irq)
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts_bak->desc->status & IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#else
- if ((ts_bak->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#endif
- {
- disable_irq(ts_bak->client->irq);
- }
- else
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- printk(KERN_INFO "sis_cdev_open: IRQ_STATUS: %x\n",(ts_bak->desc->status & IRQ_DISABLED));
-#else
- printk(KERN_INFO "sis_cdev_open: IRQ_STATUS: %x\n",(ts_bak->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED));
-#endif
- }
- }
- hrtimer_cancel(&ts_bak->timer);
-
- flush_workqueue(sis_wq); // only flush sis_wq
-
- msleep(200);
-
- return 0; /* success */
-}
-
-static int sis_cdev_release(struct inode *inode, struct file *filp)
-{
- printk(KERN_INFO "sis_cdev_release.\n");
- msleep(200);
- if (ts_bak == 0)
- return -13;
-
- if (ts_bak->use_irq)
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts_bak->desc->status & IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#else
- if ((ts_bak->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#endif
- {
- enable_irq(ts_bak->client->irq);
- }
- }
- else
- hrtimer_start(&ts_bak->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
-
- return 0;
-}
-
-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,
-};
-
-static int sis_setup_chardev(struct sis_ts_data *ts)
-{
-
- 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");
-
- if (ts == NULL)
- {
- input_err = -ENOMEM;
- goto error;
- }
- // dynamic allocate driver handle
- alloc_ret = alloc_chrdev_region(&dev, 0, sis_char_devs_count, 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;
-
- printk(KERN_INFO "%s driver(major %d) installed.\n", DEVICE_NAME, sis_char_major);
-
- // register class
- sis_char_class = class_create(THIS_MODULE, DEVICE_NAME);
- if(IS_ERR(ptr_err = sis_char_class))
- {
- goto err2;
- }
-
- class_dev = device_create(sis_char_class, NULL, MKDEV(sis_char_major, 0), NULL, 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;
-}
-#endif
-
-static int sis_ts_probe(
- struct i2c_client *client, const struct i2c_device_id *id)
-{
- int ret = 0;
- struct sis_ts_data *ts = NULL;
- struct sis_i2c_rmi_platform_data *pdata = NULL;
-
- printk(KERN_INFO "sis_ts_probe\n");
-
- TPInfo = kzalloc(sizeof(struct sisTP_driver_data), GFP_KERNEL);
- if (TPInfo == NULL)
- {
- ret = -ENOMEM;
- goto err_alloc_data_failed;
- }
-
- ts = kzalloc(sizeof(struct sis_ts_data), GFP_KERNEL);
- if (ts == NULL)
- {
- ret = -ENOMEM;
- goto err_alloc_data_failed;
- }
-
- ts_bak = ts;
-
- mutex_init(&ts->mutex_wq);
-
- //1. Init Work queue and necessary buffers
- INIT_WORK(&ts->work, sis_ts_work_func);
- ts->client = client;
- i2c_set_clientdata(client, ts);
- pdata = client->dev.platform_data;
-
- if (pdata)
- ts->power = pdata->power;
- if (ts->power)
- {
- ret = ts->power(1);
- if (ret < 0)
- {
- printk(KERN_ERR "sis_ts_probe power on failed\n");
- goto err_power_failed;
- }
- }
-
- //2. Allocate input device
- ts->input_dev = input_allocate_device();
- if (ts->input_dev == NULL)
- {
- ret = -ENOMEM;
- printk(KERN_ERR "sis_ts_probe: Failed to allocate input device\n");
- goto err_input_dev_alloc_failed;
- }
-
- //This input device name should be the same to IDC file name.
- ts->input_dev->name = "sis_touch";//"SiS9200-i2c-touchscreen";
-
- sis_get_fw_id(client);
-
-#ifdef CONFIG_FW_SUPPORT_POWERMODE
- //sis_check_fw_ready(client);
-#endif
-
- set_bit(EV_ABS, ts->input_dev->evbit);
- set_bit(EV_KEY, ts->input_dev->evbit);
- set_bit(ABS_MT_POSITION_X, ts->input_dev->absbit);
- set_bit(ABS_MT_POSITION_Y, ts->input_dev->absbit);
- set_bit(ABS_MT_TRACKING_ID, ts->input_dev->absbit);
-
-#ifdef _ANDROID_4
- set_bit(INPUT_PROP_DIRECT, ts->input_dev->propbit);
- set_bit(ABS_MT_PRESSURE, ts->input_dev->absbit);
- set_bit(ABS_MT_TOUCH_MAJOR, ts->input_dev->absbit);
- set_bit(ABS_MT_TOUCH_MINOR, ts->input_dev->absbit);
- input_set_abs_params(ts->input_dev, ABS_MT_PRESSURE, 0, PRESSURE_MAX, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, AREA_LENGTH_LONGER, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MINOR, 0, AREA_LENGTH_SHORT, 0, 0);
-#else
- set_bit(ABS_MT_TOUCH_MAJOR, ts->input_dev->absbit);
- set_bit(ABS_MT_WIDTH_MAJOR, ts->input_dev->absbit);
- set_bit(ABS_MT_WIDTH_MINOR, ts->input_dev->absbit);
- input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, PRESSURE_MAX, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, AREA_LENGTH_LONGER, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MINOR, 0, AREA_LENGTH_SHORT, 0, 0);
-#endif
-
- input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0, SIS_MAX_X, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0, SIS_MAX_Y, 0, 0);
- input_set_abs_params(ts->input_dev, ABS_MT_TRACKING_ID, 0, 15, 0, 0);
-
- /* add for touch keys */
- set_bit(KEY_COMPOSE, ts->input_dev->keybit);
- set_bit(KEY_BACK, ts->input_dev->keybit);
- set_bit(KEY_MENU, ts->input_dev->keybit);
- set_bit(KEY_HOME, ts->input_dev->keybit);
-
- //3. Register input device to core
- ret = input_register_device(ts->input_dev);
-
- if (ret)
- {
- printk(KERN_ERR "sis_ts_probe: Unable to register %s input device\n", ts->input_dev->name);
- goto err_input_register_device_failed;
- }
-
- //4. irq or timer setup
- ret = initial_irq();
- if (ret < 0)
- {
-
- }
- else
- {
- client->irq = gpio_to_irq(GPIO_IRQ);
- ret = request_irq(client->irq, sis_ts_irq_handler, IRQF_TRIGGER_FALLING, client->name, ts);
- if (ret == 0)
- {
- ts->use_irq = 1;
- }
- else
- {
- dev_err(&client->dev, "request_irq failed\n");
- }
- }
-
- ts->desc = irq_to_desc(ts_bak->client->irq);
-
- hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- ts->timer.function = sis_ts_timer_func;
-
- if (!ts->use_irq)
- {
- hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
- }
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
- ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
- ts->early_suspend.suspend = sis_ts_early_suspend;
- ts->early_suspend.resume = sis_ts_late_resume;
- register_early_suspend(&ts->early_suspend);
-#endif
- printk(KERN_INFO "sis_ts_probe: Start touchscreen %s in %s mode\n", ts->input_dev->name, ts->use_irq ? "interrupt" : "polling");
-
- if (ts->use_irq)
- {
-#ifdef _INT_MODE_1
- printk(KERN_INFO "sis_ts_probe: interrupt case 1 mode\n");
-#else
- printk(KERN_INFO "sis_ts_probe: interrupt case 2 mode\n");
-#endif
- }
-
-#ifdef _STD_RW_IO
- ret = sis_setup_chardev(ts);
- if(ret)
- {
- printk( KERN_INFO"sis_setup_chardev fail\n");
- }
-#endif
-
- printk( KERN_INFO"sis SIS_SLAVE_ADDR: %d\n", SIS_SLAVE_ADDR);
-
- return 0;
-
-err_input_register_device_failed:
- input_free_device(ts->input_dev);
-
-err_input_dev_alloc_failed:
-err_power_failed:
- kfree(ts);
-err_alloc_data_failed:
- return ret;
-}
-
-static int sis_ts_remove(struct i2c_client *client)
-{
- struct sis_ts_data *ts = i2c_get_clientdata(client);
-#ifdef CONFIG_HAS_EARLYSUSPEND
- unregister_early_suspend(&ts->early_suspend);
-#endif
- if (ts->use_irq)
- free_irq(client->irq, ts);
- else
- hrtimer_cancel(&ts->timer);
- input_unregister_device(ts->input_dev);
- kfree(ts);
- return 0;
-}
-
-static int sis_ts_suspend(struct i2c_client *client, pm_message_t mesg)
-{
- int ret = 0;
- struct sis_ts_data *ts = i2c_get_clientdata(client);
-
-#ifdef CONFIG_FW_SUPPORT_POWERMODE
- int retry = 5;
-#endif
-
- TPInfo->pre_keybit_state = 0x0;
-
- if (ts->use_irq)
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_ENABLED)
-#endif
- {
- disable_irq(client->irq);
- }
- }
- else
- hrtimer_cancel(&ts->timer);
- flush_workqueue(sis_wq); // only flush sis_wq
-// flush_scheduled_work(); // flush all of workqueue in kernel
-// ret = cancel_work_sync(&ts->work); // only cancel one work(sis_ts_work_func),
- // but there maybe are others in workqueue.
-/*
- // For cancel_work_sync()
- if (ret && ts->use_irq) //if work was pending disable-count is now 2
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#endif
- {
- enable_irq(client->irq);
- }
- }
-*/
-
-#ifdef CONFIG_FW_SUPPORT_POWERMODE
- while ((sis_get_fw_mode(client) != POWER_MODE_SLEEP))
- {
-
- if(sis_change_fw_mode(client, POWER_MODE_SLEEP)){
- printk(KERN_ERR "sis_ts_suspend: change mode retry - %d\n", 5-retry);
- }
-
- if (retry == 0){
- printk(KERN_ERR "sis_ts_suspend: change mode failed\n");
- break;
- }
-
- retry--;
- msleep(50);
- }
-#endif
-
-
-#if 0
- /* Turn off SiS Chip*/
- /* TODO */
- gpio_direction_output(TOUCH_RESET_PIN, 0);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Reset Low\n");
-// msleep(5);
- gpio_direction_output(TOUCH_POWER_PIN, 0);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Power off\n");
-#endif
-
- if (ts->power) {
- ret = ts->power(0);
- if (ret < 0)
- printk(KERN_ERR "sis_ts_suspend power off failed\n");
- }
-
- return 0;
-}
-
-static int sis_ts_resume(struct i2c_client *client)
-{
- int ret = 0;
- struct sis_ts_data *ts = i2c_get_clientdata(client);
-
-#ifdef CONFIG_FW_SUPPORT_POWERMODE
- int retry = 5;
-#endif
-
- if (ts->power)
- {
- ret = ts->power(1);
- if (ret < 0)
- printk(KERN_ERR "sis_ts_resume power on failed\n");
- }
-
-#if 0
- /* Turn on SiS Chip*/
- /* TODO */
- gpio_direction_output(TOUCH_POWER_PIN, 1);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Power on\n");
- msleep(5);
- gpio_direction_output(TOUCH_RESET_PIN, 1);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Reset HI\n");
- msleep(5);
- gpio_direction_output(TOUCH_RESET_PIN, 0);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Reset Low\n");
- msleep(5);
- gpio_direction_output(TOUCH_RESET_PIN, 1);
- printk(KERN_INFO "[MSI TOUCH] SiS Touch Reset HI\n");
-#endif
-
-#ifdef CONFIG_FW_SUPPORT_POWERMODE
- while ((sis_get_fw_mode(client) != POWER_MODE_FWCTRL))
- {
-
- if(sis_change_fw_mode(client, POWER_MODE_FWCTRL)){
- printk(KERN_ERR "sis_ts_resume: change mode retry - %d\n", 5-retry);
- }
-
- if (retry == 0){
- printk(KERN_ERR "sis_ts_resume: change mode failed\n");
- break;
- }
-
- retry--;
- msleep(50);
- }
-#endif
- //sis_fw_softreset(client);
-
- if (ts->use_irq)
- {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
- if ((ts->desc->status & IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#else
- if ((ts->desc->irq_data.state_use_accessors & IRQD_IRQ_DISABLED) == IRQ_STATUS_DISABLED)
-#endif
- {
- enable_irq(client->irq);
- }
- }
- else
- hrtimer_start(&ts->timer, ktime_set(1, 0), HRTIMER_MODE_REL);
-
- return 0;
-}
-
-#ifdef CONFIG_HAS_EARLYSUSPEND
-static void sis_ts_early_suspend(struct early_suspend *h)
-{
- struct sis_ts_data *ts;
- TPInfo->pre_keybit_state = 0x0;
- ts = container_of(h, struct sis_ts_data, early_suspend);
- sis_ts_suspend(ts->client, PMSG_SUSPEND);
-}
-
-static void sis_ts_late_resume(struct early_suspend *h)
-{
- struct sis_ts_data *ts;
- ts = container_of(h, struct sis_ts_data, early_suspend);
- sis_ts_resume(ts->client);
-}
-#endif
-
-static const struct i2c_device_id sis_ts_id[] = {
- { SIS_I2C_NAME, 0 },
- { }
-};
-
-MODULE_DEVICE_TABLE(i2c, sis_ts_id);
-
-static struct i2c_driver sis_ts_driver = {
- .probe = sis_ts_probe,
- .remove = sis_ts_remove,
-#ifndef CONFIG_HAS_EARLYSUSPEND
- .suspend = sis_ts_suspend,
- .resume = sis_ts_resume,
-#endif
-#ifdef CONFIG_X86
- .class = I2C_CLASS_HWMON,
- .detect = sis_ts_detect,
- .address_list = normal_i2c,
-#endif
- .id_table = sis_ts_id,
- .driver = {
- .name = SIS_I2C_NAME,
- },
-};
-
-static int __devinit sis_ts_init(void)
-{
- printk( KERN_INFO "sis_ts_init\n" );
- sis_wq = create_singlethread_workqueue("sis_wq");
-
- if (!sis_wq)
- return -ENOMEM;
- return i2c_add_driver(&sis_ts_driver);
-}
-
-#ifdef CONFIG_X86
-/* Return 0 if detection is successful, -ENODEV otherwise */
-static int sis_ts_detect(struct i2c_client *client,
- struct i2c_board_info *info)
-{
- const char *type_name;
- printk(KERN_INFO "sis_ts_detect\n");
- type_name = "sis_i2c_ts";
- strlcpy(info->type, type_name, I2C_NAME_SIZE);
- return 0;
-}
-#endif
-
-static void __exit sis_ts_exit(void)
-{
-#ifdef _STD_RW_IO
- dev_t dev;
-#endif
-
- printk(KERN_INFO "sis_ts_exit\n");
- i2c_del_driver(&sis_ts_driver);
- if (sis_wq)
- destroy_workqueue(sis_wq);
-
-#ifdef _STD_RW_IO
- 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);
-#endif
-}
-
-module_init(sis_ts_init);
-module_exit(sis_ts_exit);
-MODULE_DESCRIPTION("SiS 9200 Family Touchscreen Driver");
-MODULE_LICENSE("GPL");
diff --git a/linux-3.18.1/drivers/input/touchscreen/sis_i2c.h b/linux-3.18.1/drivers/input/touchscreen/sis_i2c.h
deleted file mode 100644
index 1ace42a..0000000
--- a/linux-3.18.1/drivers/input/touchscreen/sis_i2c.h
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * include/linux/sis_i2c.h - platform data structure for SiS 9200 family
- *
- * Copyright (C) 2011 SiS, Inc.
- *
- * 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.
- *
- * Date: 2012/11/13
- * Version: Android_v2.05.00-A639-1113
- */
-#include <linux/version.h>
-
-#ifndef _LINUX_SIS_I2C_H
-#define _LINUX_SIS_I2C_H
-
-
-#define SIS_I2C_NAME "sis_i2c_ts"
-#define SIS_SLAVE_ADDR 0x5c
-#define TIMER_NS 10000000 //10ms
-#define MAX_FINGERS 10
-
-
-/* For Android 4.0 */
-/* Only for Linux kernel 2.6.34 and later */
-#define _ANDROID_4 // ON/OFF
-
-/* For standard R/W IO*/
-#define _STD_RW_IO // ON/OFF
-
-/* Interrupt setting and modes */
-#define _I2C_INT_ENABLE // ON/OFF
-#define GPIO_IRQ 133
-
-/* Enable if use interrupt case 1 mode. */
-/* Disable if use interrupt case 2 mode. */
-//#define _INT_MODE_1 // ON/OFF
-
-/* IRQ STATUS */
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION (2, 6, 39) )
-#define IRQ_STATUS_DISABLED 0x200
-#else
-#define IRQ_STATUS_DISABLED (1<<16)
-#endif
-#define IRQ_STATUS_ENABLED 0x0
-
-/* Resolution mode */
-// Constant value
-#define SIS_MAX_X 4095
-#define SIS_MAX_Y 4095
-
-#define ONE_BYTE 1
-#define FIVE_BYTE 5
-#define EIGHT_BYTE 8
-#define SIXTEEN_BYTE 16
-#define PACKET_BUFFER_SIZE 128
-
-#define SIS_CMD_NORMAL 0x0
-#define SIS_CMD_SOFTRESET 0x82
-#define SIS_CMD_RECALIBRATE 0x87
-#define SIS_CMD_POWERMODE 0x90
-#define MSK_TOUCHNUM 0x0f
-#define MSK_HAS_CRC 0x10
-#define MSK_DATAFMT 0xe0
-#define MSK_PSTATE 0x0f
-#define MSK_PID 0xf0
-#define RES_FMT 0x00
-#define FIX_FMT 0x40
-
-/* for new i2c format */
-#define TOUCHDOWN 0x3
-#define TOUCHUP 0x0
-#define MAX_BYTE 64
-#define PRESSURE_MAX 255
-
-#ifdef _ANDROID_4
-#define AREA_LENGTH_LONGER 5792 //Resolution diagonal
-#define AREA_LENGTH_SHORT 5792 // ((SIS_MAX_X^2) + (SIS_MAX_Y^2))^0.5
-#define AREA_UNIT (5792/32)
-#else
-#define AREA_LENGTH_LONGER 31
-#define AREA_LENGTH_SHORT 31
-#endif
-
-
-#define FORMAT_MODE 1
-
-#define MSK_NOBTN 0
-#define MSK_COMP 1
-#define MSK_BACK 2
-#define MSK_MENU 4
-#define MSK_HOME 8
-
-#define P_BYTECOUNT 0
-#define ALL_IN_ONE_PACKAGE 0x10
-#define IS_TOUCH(x) (x & 0x1)
-#define IS_HIDI2C(x) (x & 0x6)
-#define IS_AREA(x) ((x >> 4) & 0x1)
-#define IS_PRESSURE(x) ((x >> 5) & 0x1)
-#define IS_SCANTIME(x) ((x >> 6) & 0x1)
-//#define _DEBUG_PACKAGE // ON/OFF
-//#define _DEBUG_PACKAGE_WORKFUNC // ON/OFF
-//#define _DEBUG_REPORT // ON/OFF
-
-#ifdef OLD_FORMAT_AEGIS
-#define TOUCH_NUM 1
-#define BUTTON_KEY_COUNT 8
-#define BUTTON_TOUCH 0x05
-#define BUTTON_TOUCH_ONE_POINT 0x0A
-#define BUTTON_TOUCH_MULTI_TOUCH 0x0F
-#define MSK_BUTTON_POINT 0xf0
-#define BUTTON_TOUCH_SERIAL 0x70
-#define BUTTON_STATE (CMD_BASE + 1)
-
-#else
-//#define _CHECK_CRC // ON/OFF
-//#define _SUPPORT_BUTTON_TOUCH // ON/OFF
-#define TOUCH_FORMAT 0x1
-#define BUTTON_FORMAT 0x4
-#define HIDI2C_FORMAT 0x6
-#define P_REPORT_ID 2
-#define BUTTON_STATE 3
-#define BUTTON_KEY_COUNT 16
-#define BYTE_BYTECOUNT 2
-#define BYTE_COUNT 1
-#define BYTE_ReportID 1
-#define BYTE_CRC_HIDI2C 0
-#define BYTE_CRC_I2C 2
-#define BYTE_SCANTIME 2
-#define NO_TOUCH_BYTECOUNT 0x3
-#endif
-
-/* TODO */
-#define TOUCH_POWER_PIN 0
-#define TOUCH_RESET_PIN 1
-
-/* CMD Define */
-#define BUF_ACK_PLACE_L 4
-#define BUF_ACK_PLACE_H 5
-#define BUF_ACK_L 0xEF
-#define BUF_ACK_H 0xBE
-#define BUF_NACK_L 0xAD
-#define BUF_NACK_H 0xDE
-#define BUF_CRC_PLACE 7
-
-#endif /* _LINUX_SIS_I2C_H */
-
-enum SIS_817_POWER_MODE{
- POWER_MODE_FWCTRL = 0x50,
- POWER_MODE_ACTIVE = 0x51,
- POWER_MODE_SLEEP = 0x52
-};
-
-struct sis_i2c_rmi_platform_data {
- int (*power)(int on); /* Only valid in first array entry */
-};
-
-static const unsigned short crc16tab[256]= {
- 0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,
- 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,
- 0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6,
- 0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,
- 0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,
- 0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d,
- 0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4,
- 0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,
- 0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,
- 0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b,
- 0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
- 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,
- 0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,
- 0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49,
- 0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,
- 0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,
- 0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f,
- 0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067,
- 0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,
- 0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,
- 0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d,
- 0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
- 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,
- 0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634,
- 0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab,
- 0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,
- 0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,
- 0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92,
- 0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9,
- 0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,
- 0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,
- 0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
-};
-
-struct Point {
- int id;
- unsigned short x, y; // uint16_t ?
- uint16_t Pressure;
- uint16_t Width;
- uint16_t Height;
-};
-
-struct sisTP_driver_data {
- int id;
- int fingers;
- uint8_t pre_keybit_state;
- struct Point pt[MAX_FINGERS];
-};
-
-struct sis_ts_data {
- int (*power)(int on);
- int use_irq;
- struct i2c_client *client;
- struct input_dev *input_dev;
- struct hrtimer timer;
- struct irq_desc *desc;
- struct work_struct work;
- struct mutex mutex_wq;
-#ifdef CONFIG_HAS_EARLYSUSPEND
- struct early_suspend early_suspend;
-#endif
-};
-
-static int sis_ts_suspend(struct i2c_client *client, pm_message_t mesg);
-static int sis_ts_resume(struct i2c_client *client);
--
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