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 <[email protected]> -- 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); -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
