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android_kernel_cmhtcleo/drivers/input/touchscreen/atmel.c
Markinus e34adb00cb Add EVOs source as default
2010-08-27 11:19:57 +02:00

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/* drivers/input/touchscreen/atmel.c - ATMEL Touch driver
*
* Copyright (C) 2009 HTC Corporation.
*
* 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.
*
*/
#include <linux/module.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/earlysuspend.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <mach/board.h>
#include <asm/mach-types.h>
#include <linux/atmel_qt602240.h>
#include <linux/jiffies.h>
#include <mach/msm_hsusb.h>
#define ATMEL_EN_SYSFS
#define ATMEL_I2C_RETRY_TIMES 10
struct atmel_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
struct workqueue_struct *atmel_wq;
struct work_struct work;
int (*power) (int on);
struct early_suspend early_suspend;
struct info_id_t *id;
struct object_t *object_table;
uint8_t finger_count;
uint16_t abs_x_min;
uint16_t abs_x_max;
uint16_t abs_y_min;
uint16_t abs_y_max;
uint8_t abs_pressure_min;
uint8_t abs_pressure_max;
uint8_t abs_width_min;
uint8_t abs_width_max;
uint8_t first_pressed;
uint8_t debug_log_level;
struct atmel_finger_data finger_data[10];
uint8_t finger_type;
uint8_t finger_support;
uint16_t finger_pressed;
uint8_t face_suppression;
uint8_t grip_suppression;
uint8_t noise_status[2];
uint16_t *filter_level;
uint8_t calibration_confirm;
uint64_t timestamp;
struct atmel_config_data config_setting[2];
uint8_t status;
uint8_t GCAF_sample;
uint8_t *GCAF_level;
uint8_t noisethr;
#ifdef ATMEL_EN_SYSFS
struct device dev;
#endif
};
static struct atmel_ts_data *private_ts;
#ifdef CONFIG_HAS_EARLYSUSPEND
static void atmel_ts_early_suspend(struct early_suspend *h);
static void atmel_ts_late_resume(struct early_suspend *h);
#endif
int i2c_atmel_read(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
{
int retry;
uint8_t addr[2];
struct i2c_msg msg[] = {
{
.addr = client->addr,
.flags = 0,
.len = 2,
.buf = addr,
},
{
.addr = client->addr,
.flags = I2C_M_RD,
.len = length,
.buf = data,
}
};
addr[0] = address & 0xFF;
addr[1] = (address >> 8) & 0xFF;
for (retry = 0; retry < ATMEL_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(client->adapter, msg, 2) == 2)
break;
mdelay(10);
}
if (retry == ATMEL_I2C_RETRY_TIMES) {
printk(KERN_ERR "i2c_read_block retry over %d\n",
ATMEL_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
int i2c_atmel_write(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
{
int retry, loop_i;
uint8_t buf[length + 2];
struct i2c_msg msg[] = {
{
.addr = client->addr,
.flags = 0,
.len = length + 2,
.buf = buf,
}
};
buf[0] = address & 0xFF;
buf[1] = (address >> 8) & 0xFF;
for (loop_i = 0; loop_i < length; loop_i++)
buf[loop_i + 2] = data[loop_i];
for (retry = 0; retry < ATMEL_I2C_RETRY_TIMES; retry++) {
if (i2c_transfer(client->adapter, msg, 1) == 1)
break;
mdelay(10);
}
if (retry == ATMEL_I2C_RETRY_TIMES) {
printk(KERN_ERR "i2c_write_block retry over %d\n",
ATMEL_I2C_RETRY_TIMES);
return -EIO;
}
return 0;
}
int i2c_atmel_write_byte_data(struct i2c_client *client, uint16_t address, uint8_t value)
{
i2c_atmel_write(client, address, &value, 1);
return 0;
}
uint16_t get_object_address(struct atmel_ts_data *ts, uint8_t object_type)
{
uint8_t loop_i;
for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
if (ts->object_table[loop_i].object_type == object_type)
return ts->object_table[loop_i].i2c_address;
}
return 0;
}
uint8_t get_object_size(struct atmel_ts_data *ts, uint8_t object_type)
{
uint8_t loop_i;
for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
if (ts->object_table[loop_i].object_type == object_type)
return ts->object_table[loop_i].size;
}
return 0;
}
uint8_t get_report_ids_size(struct atmel_ts_data *ts, uint8_t object_type)
{
uint8_t loop_i;
for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
if (ts->object_table[loop_i].object_type == object_type)
return ts->object_table[loop_i].report_ids;
}
return 0;
}
#ifdef ATMEL_EN_SYSFS
static ssize_t atmel_gpio_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
struct atmel_ts_data *ts_data;
struct atmel_i2c_platform_data *pdata;
ts_data = private_ts;
pdata = ts_data->client->dev.platform_data;
ret = gpio_get_value(pdata->gpio_irq);
printk(KERN_DEBUG "GPIO_TP_INT_N=%d\n", pdata->gpio_irq);
sprintf(buf, "GPIO_TP_INT_N=%d\n", ret);
ret = strlen(buf) + 1;
return ret;
}
static DEVICE_ATTR(gpio, 0444, atmel_gpio_show, NULL);
static ssize_t atmel_vendor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
struct atmel_ts_data *ts_data;
ts_data = private_ts;
sprintf(buf, "%s_x%4.4X_x%4.4X\n", "ATMEL",
ts_data->id->family_id, ts_data->id->version);
ret = strlen(buf) + 1;
return ret;
}
static DEVICE_ATTR(vendor, 0444, atmel_vendor_show, NULL);
static uint16_t atmel_reg_addr;
static ssize_t atmel_register_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret = 0;
uint8_t ptr[1];
struct atmel_ts_data *ts_data;
ts_data = private_ts;
if (i2c_atmel_read(ts_data->client, atmel_reg_addr, ptr, 1) < 0) {
printk(KERN_WARNING "%s: read fail\n", __func__);
return ret;
}
ret += sprintf(buf, "addr: %d, data: %d\n", atmel_reg_addr, ptr[0]);
return ret;
}
static ssize_t atmel_register_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int ret = 0;
struct atmel_ts_data *ts_data;
char buf_tmp[4], buf_zero[200];
uint8_t write_da;
ts_data = private_ts;
memset(buf_tmp, 0x0, sizeof(buf_tmp));
if ((buf[0] == 'r' || buf[0] == 'w') && buf[1] == ':' &&
(buf[5] == ':' || buf[5] == '\n')) {
memcpy(buf_tmp, buf + 2, 3);
atmel_reg_addr = simple_strtol(buf_tmp, NULL, 10);
printk(KERN_DEBUG "read addr: 0x%X\n", atmel_reg_addr);
if (!atmel_reg_addr) {
printk(KERN_WARNING "%s: string to number fail\n",
__func__);
return count;
}
printk(KERN_DEBUG "%s: set atmel_reg_addr is: %d\n",
__func__, atmel_reg_addr);
if (buf[0] == 'w' && buf[5] == ':' && buf[9] == '\n') {
memcpy(buf_tmp, buf + 6, 3);
write_da = simple_strtol(buf_tmp, NULL, 10);
printk(KERN_DEBUG "write addr: 0x%X, data: 0x%X\n",
atmel_reg_addr, write_da);
ret = i2c_atmel_write_byte_data(ts_data->client,
atmel_reg_addr, write_da);
if (ret < 0) {
printk(KERN_ERR "%s: write fail(%d)\n",
__func__, ret);
}
}
}
if ((buf[0] == '0') && (buf[1] == ':') && (buf[5] == ':')) {
memcpy(buf_tmp, buf + 2, 3);
atmel_reg_addr = simple_strtol(buf_tmp, NULL, 10);
memcpy(buf_tmp, buf + 6, 3);
memset(buf_zero, 0x0, sizeof(buf_zero));
ret = i2c_atmel_write(ts_data->client, atmel_reg_addr,
buf_zero, simple_strtol(buf_tmp, NULL, 10) - atmel_reg_addr + 1);
if (buf[9] == 'r') {
i2c_atmel_write_byte_data(ts_data->client,
get_object_address(ts_data, GEN_COMMANDPROCESSOR_T6) + 1, 0x55);
i2c_atmel_write_byte_data(ts_data->client,
get_object_address(ts_data, GEN_COMMANDPROCESSOR_T6), 0x11);
}
}
return count;
}
static DEVICE_ATTR(register, 0644, atmel_register_show, atmel_register_store);
static ssize_t atmel_regdump_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int count = 0, ret_t = 0;
struct atmel_ts_data *ts_data;
uint16_t loop_i;
uint8_t ptr[1];
ts_data = private_ts;
if (ts_data->id->version >= 0x14) {
for (loop_i = 230; loop_i <= 425; loop_i++) {
ret_t = i2c_atmel_read(ts_data->client, loop_i, ptr, 1);
if (ret_t < 0) {
printk(KERN_WARNING "dump fail, addr: %d\n",
loop_i);
}
count += sprintf(buf + count, "addr[%3d]: %3d, ",
loop_i , *ptr);
if (((loop_i - 230) % 4) == 3)
count += sprintf(buf + count, "\n");
}
count += sprintf(buf + count, "\n");
}
return count;
}
static ssize_t atmel_regdump_dump(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct atmel_ts_data *ts_data;
ts_data = private_ts;
if (buf[0] >= '0' && buf[0] <= '9' && buf[1] == '\n')
ts_data->debug_log_level = buf[0] - 0x30;
return count;
}
static DEVICE_ATTR(regdump, 0644, atmel_regdump_show, atmel_regdump_dump);
static ssize_t atmel_debug_level_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct atmel_ts_data *ts_data;
size_t count = 0;
ts_data = private_ts;
count += sprintf(buf, "%d\n", ts_data->debug_log_level);
return count;
}
static ssize_t atmel_debug_level_dump(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct atmel_ts_data *ts_data;
ts_data = private_ts;
if (buf[0] >= '0' && buf[0] <= '9' && buf[1] == '\n')
ts_data->debug_log_level = buf[0] - 0x30;
return count;
}
static DEVICE_ATTR(debug_level, 0644, atmel_debug_level_show, atmel_debug_level_dump);
static struct kobject *android_touch_kobj;
static int atmel_touch_sysfs_init(void)
{
int ret;
android_touch_kobj = kobject_create_and_add("android_touch", NULL);
if (android_touch_kobj == NULL) {
printk(KERN_ERR "%s: subsystem_register failed\n", __func__);
ret = -ENOMEM;
return ret;
}
ret = sysfs_create_file(android_touch_kobj, &dev_attr_gpio.attr);
if (ret) {
printk(KERN_ERR "%s: sysfs_create_file failed\n", __func__);
return ret;
}
ret = sysfs_create_file(android_touch_kobj, &dev_attr_vendor.attr);
if (ret) {
printk(KERN_ERR "%s: sysfs_create_file failed\n", __func__);
return ret;
}
atmel_reg_addr = 0;
ret = sysfs_create_file(android_touch_kobj, &dev_attr_register.attr);
if (ret) {
printk(KERN_ERR "%s: sysfs_create_file failed\n", __func__);
return ret;
}
ret = sysfs_create_file(android_touch_kobj, &dev_attr_regdump.attr);
if (ret) {
printk(KERN_ERR "%s: sysfs_create_file failed\n", __func__);
return ret;
}
ret = sysfs_create_file(android_touch_kobj, &dev_attr_debug_level.attr);
if (ret) {
printk(KERN_ERR "%s: sysfs_create_file failed\n", __func__);
return ret;
}
return 0;
}
static void atmel_touch_sysfs_deinit(void)
{
sysfs_remove_file(android_touch_kobj, &dev_attr_regdump.attr);
sysfs_remove_file(android_touch_kobj, &dev_attr_register.attr);
sysfs_remove_file(android_touch_kobj, &dev_attr_vendor.attr);
sysfs_remove_file(android_touch_kobj, &dev_attr_gpio.attr);
kobject_del(android_touch_kobj);
}
#endif
static int check_delta(struct atmel_ts_data*ts)
{
int8_t data[128];
uint8_t loop_i;
int16_t rawdata, count = 0;
memset(data, 0xFF, sizeof(data));
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 5, 0x10);
for (loop_i = 0; !(data[0] == 0x10 && data[1] == 0x00) && loop_i < 10; loop_i++) {
msleep(5);
i2c_atmel_read(ts->client, get_object_address(ts, DIAGNOSTIC_T37), data, 2);
}
if (loop_i == 10)
printk(KERN_ERR "%s: Diag data not ready\n", __func__);
i2c_atmel_read(ts->client, get_object_address(ts, DIAGNOSTIC_T37), data, 128);
if (data[0] == 0x10 && data[1] == 0x00) {
for (loop_i = 2; loop_i < 127; loop_i += 2) {
rawdata = data[loop_i+1] << 8 | data[loop_i];
if (abs(rawdata) > 50)
count++;
}
if (count > 32)
return 1;
}
return 0;
}
static void check_calibration(struct atmel_ts_data*ts)
{
uint8_t data[82];
uint8_t loop_i, loop_j, x_limit = 0, check_mask, tch_ch = 0, atch_ch = 0;
memset(data, 0xFF, sizeof(data));
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 5, 0xF3);
for (loop_i = 0; !(data[0] == 0xF3 && data[1] == 0x00) && loop_i < 10; loop_i++) {
msleep(5);
i2c_atmel_read(ts->client, get_object_address(ts, DIAGNOSTIC_T37), data, 2);
}
if (loop_i == 10)
printk(KERN_ERR "%s: Diag data not ready\n", __func__);
i2c_atmel_read(ts->client, get_object_address(ts, DIAGNOSTIC_T37), data, 82);
if (data[0] == 0xF3 && data[1] == 0x00) {
x_limit = 16 + ts->config_setting[0].config_T28[2];
x_limit = x_limit << 1;
for (loop_i = 0; loop_i < x_limit; loop_i += 2) {
for (loop_j = 0; loop_j < 8; loop_j++) {
check_mask = 1 << loop_j;
if (data[2 + loop_i] & check_mask)
tch_ch++;
if (data[3 + loop_i] & check_mask)
tch_ch++;
if (data[42 + loop_i] & check_mask)
atch_ch++;
if (data[43 + loop_i] & check_mask)
atch_ch++;
}
}
}
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 5, 0x01);
if (tch_ch && (atch_ch == 0)) {
if (jiffies > (ts->timestamp + HZ/2) && (ts->calibration_confirm == 1)) {
ts->calibration_confirm = 2;
printk(KERN_INFO "%s: calibration confirm\n", __func__);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 6,
ts->config_setting[ts->status].config_T8[6]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 7,
ts->config_setting[ts->status].config_T8[7]);
}
if (ts->calibration_confirm < 2)
ts->calibration_confirm = 1;
ts->timestamp = jiffies;
} else if ((tch_ch - 25) <= atch_ch && (tch_ch || atch_ch)) {
ts->calibration_confirm = 0;
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 2, 0x55);
}
}
static void atmel_ts_work_func(struct work_struct *work)
{
int ret;
struct atmel_ts_data *ts = container_of(work, struct atmel_ts_data, work);
uint8_t data[ts->finger_support * 9];
uint8_t loop_i, loop_j, report_type, msg_num, msg_byte_num = 8, finger_report;
msg_num = (ts->finger_count && ts->id->version >= 0x15)
? ts->finger_count : 1;
ret = i2c_atmel_read(ts->client, get_object_address(ts,
GEN_MESSAGEPROCESSOR_T5), data, msg_num * 9 - 2);
if (ts->debug_log_level & 0x1) {
for (loop_i = 0; loop_i < msg_num * 9 - 2; loop_i++)
printk("0x%2.2X ", data[loop_i]);
printk("\n");
}
if (ts->id->version >= 0x15) {
for (loop_i = 0; loop_i < msg_num; loop_i++) {
report_type = data[loop_i * 9] - ts->finger_type;
if (report_type >= 0 && report_type < ts->finger_support) {
if (ts->calibration_confirm < 2 && ts->id->version >= 0x16)
check_calibration(ts);
ts->finger_data[report_type].x = data[loop_i * 9 + 2] << 2 | data[loop_i * 9 + 4] >> 6;
ts->finger_data[report_type].y = data[loop_i * 9 + 3] << 2 | (data[loop_i * 9 + 4] & 0x0C) >> 2;
ts->finger_data[report_type].w = data[loop_i * 9 + 5];
ts->finger_data[report_type].z = data[loop_i * 9 + 6];
if (data[loop_i * 9 + 1] & 0x20) {
if ((ts->grip_suppression >> report_type) & 1)
ts->grip_suppression &= ~(1 << report_type);
if (((ts->finger_pressed >> report_type) & 1) == 1) {
ts->finger_count--;
ts->finger_pressed &= ~(1 << report_type);
if (!ts->first_pressed) {
if (!ts->finger_count)
ts->first_pressed = 1;
printk(KERN_INFO "E%d@%d,%d\n", report_type + 1,
ts->finger_data[report_type].x, ts->finger_data[report_type].y);
}
}
} else if ((data[loop_i * 9 + 1] & 0xC0) && (((ts->finger_pressed >> report_type) & 1) == 0)) {
if (ts->filter_level[0]) {
if (ts->finger_data[report_type].x < ts->filter_level[0] || ts->finger_data[report_type].x > ts->filter_level[3])
ts->grip_suppression |= 1 << report_type;
else if ((ts->finger_data[report_type].x < ts->filter_level[1] || ts->finger_data[report_type].x > ts->filter_level[2])
&& ((ts->grip_suppression >> report_type) & 1))
ts->grip_suppression |= 1 << report_type;
else if (ts->finger_data[report_type].x > ts->filter_level[1] && ts->finger_data[report_type].x < ts->filter_level[2])
ts->grip_suppression &= ~(1 << report_type);
}
if (((ts->grip_suppression >> report_type) & 1) == 0) {
if (!ts->first_pressed)
printk(KERN_INFO "S%d@%d,%d\n", report_type + 1,
ts->finger_data[report_type].x, ts->finger_data[report_type].y);
ts->finger_count++;
ts->finger_pressed |= 1 << report_type;
}
}
} else {
if (data[loop_i * 9] == get_report_ids_size(ts, GEN_COMMANDPROCESSOR_T6)) {
printk(KERN_INFO "Touch Status: ");
msg_byte_num = 5;
} else if (data[loop_i * 9] == get_report_ids_size(ts, PROCI_GRIPFACESUPPRESSION_T20)) {
if (ts->calibration_confirm < 2 && ts->id->version >= 0x16)
check_calibration(ts);
ts->face_suppression = data[loop_i * 9 + 1];
printk(KERN_INFO "Touch Face suppression %s: ",
ts->face_suppression ? "Active" : "Inactive");
msg_byte_num = 2;
} else if (data[loop_i * 9] == get_report_ids_size(ts, PROCG_NOISESUPPRESSION_T22)) {
if (data[loop_i * 9 + 1] == 0x10) /* reduce message print */
msg_byte_num = 0;
else {
printk(KERN_INFO "Touch Noise suppression: ");
msg_byte_num = 4;
if (ts->status && data[loop_i * 9 + 2] >= ts->GCAF_sample) {
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_POWERCONFIG_T7), 0x08);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_POWERCONFIG_T7) + 1, 0x08);
for (loop_j = 0; loop_j < 5; loop_j++) {
if (ts->GCAF_sample < ts->GCAF_level[loop_j]) {
ts->GCAF_sample = ts->GCAF_level[loop_j];
break;
}
}
if (loop_j == 5)
ts->GCAF_sample += 24;
if (ts->GCAF_sample >= 63) {
ts->GCAF_sample = 63;
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, PROCG_NOISESUPPRESSION_T22) + 8,
ts->config_setting[1].config[1]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 7, 0x1);
}
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28) + 4, ts->GCAF_sample);
}
if (data[loop_i * 9 + 1] & 0x0C && ts->GCAF_sample == 63) {
ts->noisethr += 30;
if (ts->noisethr > 255)
ts->noisethr = 255;
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, PROCG_NOISESUPPRESSION_T22) + 8,
ts->noisethr);
}
}
}
if (data[loop_i * 9] != 0xFF) {
for (loop_j = 0; loop_j < msg_byte_num; loop_j++)
printk("0x%2.2X ", data[loop_i * 9 + loop_j]);
if (msg_byte_num)
printk("\n");
}
}
if (loop_i == msg_num - 1) {
if (!ts->finger_count || ts->face_suppression) {
ts->finger_pressed = 0;
ts->finger_count = 0;
#ifdef CONFIG_TOUCHSCREEN_COMPATIBLE_REPORT
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0);
#else
input_report_abs(ts->input_dev, ABS_MT_AMPLITUDE, 0);
input_report_abs(ts->input_dev, ABS_MT_POSITION, 1 << 31);
#endif
if (ts->debug_log_level & 0x2)
printk(KERN_INFO "Finger leave\n");
} else {
for (loop_i = 0, finger_report = 0; loop_i < ts->finger_support; loop_i++) {
if (((ts->finger_pressed >> loop_i) & 1) == 1) {
finger_report++;
#ifdef CONFIG_TOUCHSCREEN_COMPATIBLE_REPORT
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR,
ts->finger_data[loop_i].z);
input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR,
ts->finger_data[loop_i].w);
input_report_abs(ts->input_dev, ABS_MT_POSITION_X,
ts->finger_data[loop_i].x);
input_report_abs(ts->input_dev, ABS_MT_POSITION_Y,
ts->finger_data[loop_i].y);
input_mt_sync(ts->input_dev);
#else
input_report_abs(ts->input_dev, ABS_MT_AMPLITUDE,
ts->finger_data[loop_i].z << 16 | ts->finger_data[loop_i].w);
input_report_abs(ts->input_dev, ABS_MT_POSITION,
(ts->finger_count == finger_report) << 31 |
ts->finger_data[loop_i].x << 16 | ts->finger_data[loop_i].y);
#endif
if (ts->debug_log_level & 0x2)
printk(KERN_INFO "Finger %d=> X:%d, Y:%d w:%d, z:%d, F:%d\n",
loop_i + 1, ts->finger_data[loop_i].x,
ts->finger_data[loop_i].y, ts->finger_data[loop_i].w,
ts->finger_data[loop_i].z, ts->finger_count);
}
}
}
#ifdef CONFIG_TOUCHSCREEN_COMPATIBLE_REPORT
input_sync(ts->input_dev);
#endif
}
}
} else { /*read one message one time */
report_type = data[0] - ts->finger_type;
if (report_type >= 0 && report_type < ts->finger_support) {
/* for issue debug only */
if ((data[1] & 0x60) == 0x60)
printk(KERN_INFO"x60 ISSUE happened: %x, %x, %x, %x, %x, %x, %x, %x\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);
if ((data[1] & 0x20) && (((ts->finger_pressed >> report_type) & 1) == 1)) {
ts->finger_count--;
ts->finger_pressed &= ~(1 << report_type);
} else if ((data[1] & 0xC0) && (((ts->finger_pressed >> report_type) & 1) == 0)) {
ts->finger_count++;
ts->finger_pressed |= 1 << report_type;
}
ts->finger_data[report_type].x = data[2] << 2 | data[4] >> 6;
ts->finger_data[report_type].y = data[3] << 2 | (data[4] & 0x0C) >> 2;
ts->finger_data[report_type].w = data[5];
ts->finger_data[report_type].z = data[6];
if (!ts->finger_count) {
ts->finger_pressed = 0;
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0);
if (ts->debug_log_level & 0x2)
printk(KERN_INFO "Finger leave\n");
} else {
for (loop_i = 0; loop_i < ts->finger_support; loop_i++) {
if (((ts->finger_pressed >> loop_i) & 1) == 1) {
input_report_abs(ts->input_dev, ABS_MT_TOUCH_MAJOR,
ts->finger_data[loop_i].z);
input_report_abs(ts->input_dev, ABS_MT_WIDTH_MAJOR,
ts->finger_data[loop_i].w);
input_report_abs(ts->input_dev, ABS_MT_POSITION_X,
ts->finger_data[loop_i].x);
input_report_abs(ts->input_dev, ABS_MT_POSITION_Y,
ts->finger_data[loop_i].y);
input_mt_sync(ts->input_dev);
if (ts->debug_log_level & 0x2)
printk(KERN_INFO "Finger %d=> X:%d, Y:%d w:%d, z:%d, F:%d\n",
loop_i + 1, ts->finger_data[loop_i].x,
ts->finger_data[loop_i].y, ts->finger_data[loop_i].w,
ts->finger_data[loop_i].z, ts->finger_count);
}
}
}
input_sync(ts->input_dev);
} else
printk(KERN_INFO"RAW data: %x, %x, %x, %x, %x, %x, %x, %x\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]);
}
enable_irq(ts->client->irq);
}
static irqreturn_t atmel_ts_irq_handler(int irq, void *dev_id)
{
struct atmel_ts_data *ts = dev_id;
disable_irq_nosync(ts->client->irq);
queue_work(ts->atmel_wq, &ts->work);
return IRQ_HANDLED;
}
static void cable_tp_status_handler_func(int connected)
{
struct atmel_ts_data *ts;
ts = private_ts;
printk(KERN_INFO "Touch: cable change to %d\n", connected);
if (connected != ts->status) {
if (connected)
ts->status = 1;
else
ts->status = 0;
if (ts->config_setting[1].config[0]) {
if (ts->status) {
ts->calibration_confirm = 2;
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 6,
ts->config_setting[ts->status].config_T8[6]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 7,
ts->config_setting[ts->status].config_T8[7]);
}
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, TOUCH_MULTITOUCHSCREEN_T9) + 7,
ts->config_setting[ts->status].config[0]);
if (!ts->status)
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, PROCG_NOISESUPPRESSION_T22) + 8,
ts->config_setting[ts->status].config[1]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28) + 3,
ts->config_setting[ts->status].config[2]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28) + 4,
ts->config_setting[ts->status].config[3]);
ts->GCAF_sample = ts->config_setting[1].config[3];
} else {
if (ts->config_setting[1].config_T7 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, GEN_POWERCONFIG_T7),
ts->config_setting[ts->status].config_T7,
get_object_size(ts, GEN_POWERCONFIG_T7));
if (ts->config_setting[1].config_T8 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8),
ts->config_setting[1].config_T8,
get_object_size(ts, GEN_ACQUISITIONCONFIG_T8));
if (ts->config_setting[ts->status].config_T9 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, TOUCH_MULTITOUCHSCREEN_T9),
ts->config_setting[ts->status].config_T9,
get_object_size(ts, TOUCH_MULTITOUCHSCREEN_T9));
if (ts->config_setting[ts->status].config_T22 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, PROCG_NOISESUPPRESSION_T22),
ts->config_setting[ts->status].config_T22,
get_object_size(ts, PROCG_NOISESUPPRESSION_T22));
if (ts->config_setting[ts->status].config_T28 != NULL) {
i2c_atmel_write(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28),
ts->config_setting[ts->status].config_T28,
get_object_size(ts, SPT_CTECONFIG_T28));
ts->GCAF_sample = ts->config_setting[ts->status].config_T28[4];
}
}
}
}
static struct t_usb_status_notifier cable_status_handler = {
.name = "usb_tp_connected",
.func = cable_tp_status_handler_func,
};
static int atmel_ts_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct atmel_ts_data *ts;
struct atmel_i2c_platform_data *pdata;
int ret = 0, i = 0, intr = 0;
uint8_t loop_i;
struct i2c_msg msg[2];
uint8_t data[16];
uint8_t type_count = 0, CRC_check = 0;
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
printk(KERN_ERR"%s: need I2C_FUNC_I2C\n", __func__);
ret = -ENODEV;
goto err_check_functionality_failed;
}
ts = kzalloc(sizeof(struct atmel_ts_data), GFP_KERNEL);
if (ts == NULL) {
printk(KERN_ERR"%s: allocate atmel_ts_data failed\n", __func__);
ret = -ENOMEM;
goto err_alloc_data_failed;
}
ts->atmel_wq = create_singlethread_workqueue("atmel_wq");
if (!ts->atmel_wq) {
printk(KERN_ERR"%s: create workqueue failed\n", __func__);
ret = -ENOMEM;
goto err_cread_wq_failed;
}
INIT_WORK(&ts->work, atmel_ts_work_func);
ts->client = client;
i2c_set_clientdata(client, ts);
pdata = client->dev.platform_data;
if (pdata) {
ts->power = pdata->power;
intr = pdata->gpio_irq;
}
if (ts->power) {
ret = ts->power(1);
msleep(2);
if (ret < 0) {
printk(KERN_ERR "%s:power on failed\n", __func__);
goto err_power_failed;
}
}
for (loop_i = 0; loop_i < 10; loop_i++) {
if (!gpio_get_value(intr))
break;
msleep(10);
}
if (loop_i == 10)
printk(KERN_ERR "No Messages\n");
/* read message*/
msg[0].addr = ts->client->addr;
msg[0].flags = I2C_M_RD;
msg[0].len = 7;
msg[0].buf = data;
ret = i2c_transfer(client->adapter, msg, 1);
if (ret < 0) {
printk(KERN_INFO "No Atmel chip inside\n");
goto err_detect_failed;
}
printk(KERN_INFO "Touch: 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
if (data[1] & 0x24) {
printk(KERN_INFO "atmel_ts_probe(): init err: %x\n", data[1]);
goto err_detect_failed;
} else {
for (loop_i = 0; loop_i < 10; loop_i++) {
if (gpio_get_value(intr)) {
printk(KERN_INFO "Touch: No more message\n");
break;
}
ret = i2c_transfer(client->adapter, msg, 1);
printk(KERN_INFO "Touch: 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
msleep(10);
}
}
/* Read the info block data. */
ts->id = kzalloc(sizeof(struct info_id_t), GFP_KERNEL);
if (ts->id == NULL) {
printk(KERN_ERR"%s: allocate info_id_t failed\n", __func__);
goto err_alloc_failed;
}
ret = i2c_atmel_read(client, 0x00, data, 7);
ts->id->family_id = data[0];
ts->id->variant_id = data[1];
if (ts->id->family_id == 0x80 && ts->id->variant_id == 0x10)
ts->id->version = data[2] + 6;
else
ts->id->version = data[2];
ts->id->build = data[3];
ts->id->matrix_x_size = data[4];
ts->id->matrix_y_size = data[5];
ts->id->num_declared_objects = data[6];
printk(KERN_INFO "info block: 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X\n",
ts->id->family_id, ts->id->variant_id,
ts->id->version, ts->id->build,
ts->id->matrix_x_size, ts->id->matrix_y_size,
ts->id->num_declared_objects);
/* Read object table. */
ts->object_table = kzalloc(sizeof(struct object_t)*ts->id->num_declared_objects, GFP_KERNEL);
if (ts->object_table == NULL) {
printk(KERN_ERR"%s: allocate object_table failed\n", __func__);
goto err_alloc_failed;
}
for (i = 0; i < ts->id->num_declared_objects; i++) {
ret = i2c_atmel_read(client, i * 6 + 0x07, data, 6);
ts->object_table[i].object_type = data[0];
ts->object_table[i].i2c_address = data[1] | data[2] << 8;
ts->object_table[i].size = data[3] + 1;
ts->object_table[i].instances = data[4];
ts->object_table[i].num_report_ids = data[5];
if (data[5]) {
ts->object_table[i].report_ids = type_count + 1;
type_count += data[5];
}
if (data[0] == 9)
ts->finger_type = ts->object_table[i].report_ids;
printk(KERN_INFO "Type: %2.2X, Start: %4.4X, Size: %2X, Instance: %2X, RD#: %2X, %2X\n",
ts->object_table[i].object_type , ts->object_table[i].i2c_address,
ts->object_table[i].size, ts->object_table[i].instances,
ts->object_table[i].num_report_ids, ts->object_table[i].report_ids);
}
if (pdata) {
while (pdata->version > ts->id->version)
pdata++;
if (pdata->source) {
i2c_atmel_write_byte_data(client,
get_object_address(ts, SPT_GPIOPWM_T19), 0x7);
for (loop_i = 0; loop_i < 10; loop_i++) {
if (!gpio_get_value(intr))
break;
msleep(10);
}
if (loop_i == 10)
printk(KERN_ERR "No Messages when check source\n");
for (loop_i = 0; loop_i < 10; loop_i++) {
i2c_atmel_read(ts->client, get_object_address(ts,
GEN_MESSAGEPROCESSOR_T5), data, 2);
if (data[0] == get_report_ids_size(ts, SPT_GPIOPWM_T19)) {
while ((data[1] >> 3) != pdata->source)
pdata++;
break;
}
}
}
ts->finger_support = pdata->config_T9[14];
printk(KERN_INFO"finger_type: %d, max finger: %d\n", ts->finger_type, ts->finger_support);
/* infoamtion block CRC check */
if (pdata->object_crc[0]) {
ret = i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 2, 0x55);
for (loop_i = 0; loop_i < 10; loop_i++) {
if (!gpio_get_value(intr)) {
ret = i2c_atmel_read(ts->client, get_object_address(ts,
GEN_MESSAGEPROCESSOR_T5), data, 5);
if (data[0] == get_report_ids_size(ts, GEN_COMMANDPROCESSOR_T6))
break;
}
msleep(10);
}
if (loop_i == 10)
printk(KERN_INFO "Touch: No checksum read\n");
else {
for (loop_i = 0; loop_i < 3; loop_i++) {
if (pdata->object_crc[loop_i] != data[loop_i + 2]) {
printk(KERN_ERR"CRC Error: %x, %x\n", pdata->object_crc[loop_i], data[loop_i + 2]);
break;
}
}
if (loop_i == 3) {
printk(KERN_INFO "CRC passed: ");
for (loop_i = 0; loop_i < 3; loop_i++)
printk("0x%2.2X ", pdata->object_crc[loop_i]);
printk("\n");
CRC_check = 1;
}
}
}
ts->abs_x_min = pdata->abs_x_min;
ts->abs_x_max = pdata->abs_x_max;
ts->abs_y_min = pdata->abs_y_min;
ts->abs_y_max = pdata->abs_y_max;
ts->abs_pressure_min = pdata->abs_pressure_min;
ts->abs_pressure_max = pdata->abs_pressure_max;
ts->abs_width_min = pdata->abs_width_min;
ts->abs_width_max = pdata->abs_width_max;
ts->GCAF_level = pdata->GCAF_level;
printk(KERN_INFO "GCAF_level: %d, %d, %d, %d, %d\n",
ts->GCAF_level[0], ts->GCAF_level[1], ts->GCAF_level[2],
ts->GCAF_level[3], ts->GCAF_level[4]);
ts->filter_level = pdata->filter_level;
printk(KERN_INFO "filter_level: %d, %d, %d, %d\n",
ts->filter_level[0], ts->filter_level[1], ts->filter_level[2], ts->filter_level[3]);
ts->config_setting[0].config_T7
= ts->config_setting[1].config_T7
= pdata->config_T7;
ts->config_setting[0].config_T8
= ts->config_setting[1].config_T8
= pdata->config_T8;
ts->config_setting[0].config_T9 = pdata->config_T9;
ts->config_setting[0].config_T22 = pdata->config_T22;
ts->config_setting[0].config_T28 = pdata->config_T28;
if (pdata->cable_config[0]) {
ts->config_setting[0].config[0] = pdata->config_T9[7];
ts->config_setting[0].config[1] = pdata->config_T22[8];
ts->config_setting[0].config[2] = pdata->config_T28[3];
ts->config_setting[0].config[3] = pdata->config_T28[4];
for (loop_i = 0; loop_i < 4; loop_i++)
ts->config_setting[1].config[loop_i] = pdata->cable_config[loop_i];
ts->GCAF_sample = ts->config_setting[1].config[3];
ts->noisethr = pdata->cable_config[1];
} else {
if (pdata->cable_config_T7[0])
ts->config_setting[1].config_T7 = pdata->cable_config_T7;
if (pdata->cable_config_T8[0])
ts->config_setting[1].config_T8 = pdata->cable_config_T8;
if (pdata->cable_config_T9[0]) {
ts->config_setting[1].config_T9 = pdata->cable_config_T9;
ts->config_setting[1].config_T22 = pdata->cable_config_T22;
ts->config_setting[1].config_T28 = pdata->cable_config_T28;
ts->GCAF_sample = ts->config_setting[ts->status].config_T28[4];
}
}
if (usb_get_connect_type())
ts->status = 1;
if (!CRC_check) {
printk(KERN_INFO "Touch: Config reload\n");
i2c_atmel_write(ts->client, get_object_address(ts, SPT_CTECONFIG_T28),
pdata->config_T28, get_object_size(ts, SPT_CTECONFIG_T28));
ret = i2c_atmel_write_byte_data(client, get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 1, 0x55);
msleep(10);
ret = i2c_atmel_write_byte_data(client, get_object_address(ts, GEN_COMMANDPROCESSOR_T6), 0x11);
msleep(64);
i2c_atmel_write(ts->client, get_object_address(ts, GEN_COMMANDPROCESSOR_T6),
pdata->config_T6, get_object_size(ts, GEN_COMMANDPROCESSOR_T6));
i2c_atmel_write(ts->client, get_object_address(ts, GEN_POWERCONFIG_T7),
pdata->config_T7, get_object_size(ts, GEN_POWERCONFIG_T7));
i2c_atmel_write(ts->client, get_object_address(ts, GEN_ACQUISITIONCONFIG_T8),
pdata->config_T8, get_object_size(ts, GEN_ACQUISITIONCONFIG_T8));
i2c_atmel_write(ts->client, get_object_address(ts, TOUCH_MULTITOUCHSCREEN_T9),
pdata->config_T9, get_object_size(ts, TOUCH_MULTITOUCHSCREEN_T9));
i2c_atmel_write(ts->client, get_object_address(ts, TOUCH_KEYARRAY_T15),
pdata->config_T15, get_object_size(ts, TOUCH_KEYARRAY_T15));
i2c_atmel_write(ts->client, get_object_address(ts, SPT_GPIOPWM_T19),
pdata->config_T19, get_object_size(ts, SPT_GPIOPWM_T19));
i2c_atmel_write(ts->client, get_object_address(ts, PROCI_GRIPFACESUPPRESSION_T20),
pdata->config_T20, get_object_size(ts, PROCI_GRIPFACESUPPRESSION_T20));
i2c_atmel_write(ts->client, get_object_address(ts, PROCG_NOISESUPPRESSION_T22),
pdata->config_T22, get_object_size(ts, PROCG_NOISESUPPRESSION_T22));
i2c_atmel_write(ts->client, get_object_address(ts, TOUCH_PROXIMITY_T23),
pdata->config_T23, get_object_size(ts, TOUCH_PROXIMITY_T23));
i2c_atmel_write(ts->client, get_object_address(ts, PROCI_ONETOUCHGESTUREPROCESSOR_T24),
pdata->config_T24, get_object_size(ts, PROCI_ONETOUCHGESTUREPROCESSOR_T24));
i2c_atmel_write(ts->client, get_object_address(ts, SPT_SELFTEST_T25),
pdata->config_T25, get_object_size(ts, SPT_SELFTEST_T25));
i2c_atmel_write(ts->client, get_object_address(ts, PROCI_TWOTOUCHGESTUREPROCESSOR_T27),
pdata->config_T27, get_object_size(ts, PROCI_TWOTOUCHGESTUREPROCESSOR_T27));
i2c_atmel_write(ts->client, get_object_address(ts, SPT_CTECONFIG_T28),
pdata->config_T28, get_object_size(ts, SPT_CTECONFIG_T28));
ret = i2c_atmel_write_byte_data(client, get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 1, 0x55);
for (loop_i = 0; loop_i < 10; loop_i++) {
if (!gpio_get_value(intr))
break;
printk(KERN_INFO "Touch: wait for Message(%d)\n", loop_i + 1);
msleep(10);
}
i2c_atmel_read(client, get_object_address(ts, GEN_MESSAGEPROCESSOR_T5), data, 7);
printk(KERN_INFO "Touch: 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
ret = i2c_atmel_write_byte_data(client, get_object_address(ts, GEN_COMMANDPROCESSOR_T6), 0x11);
msleep(64);
i2c_atmel_read(client, get_object_address(ts, GEN_MESSAGEPROCESSOR_T5), data, 7);
printk(KERN_INFO "Touch: 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X 0x%2.2X\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
/* For Ace */
}
if (ts->status) {
printk(KERN_INFO "Touch: set cable config\n");
if (ts->config_setting[1].config[0]) {
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, TOUCH_MULTITOUCHSCREEN_T9) + 7,
ts->config_setting[1].config[0]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28) + 3,
ts->config_setting[1].config[2]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28) + 4,
ts->config_setting[1].config[3]);
} else {
if (ts->config_setting[1].config_T7 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, GEN_POWERCONFIG_T7),
ts->config_setting[1].config_T7,
get_object_size(ts, GEN_POWERCONFIG_T7));
if (ts->config_setting[1].config_T8 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8),
ts->config_setting[1].config_T8,
get_object_size(ts, GEN_ACQUISITIONCONFIG_T8));
if (ts->config_setting[1].config_T9 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, TOUCH_MULTITOUCHSCREEN_T9),
ts->config_setting[1].config_T9,
get_object_size(ts, TOUCH_MULTITOUCHSCREEN_T9));
if (ts->config_setting[1].config_T22 != NULL)
i2c_atmel_write(ts->client,
get_object_address(ts, PROCG_NOISESUPPRESSION_T22),
ts->config_setting[1].config_T22,
get_object_size(ts, PROCG_NOISESUPPRESSION_T22));
if (ts->config_setting[1].config_T28 != NULL) {
i2c_atmel_write(ts->client,
get_object_address(ts, SPT_CTECONFIG_T28),
ts->config_setting[1].config_T28,
get_object_size(ts, SPT_CTECONFIG_T28));
}
}
}
}
ts->input_dev = input_allocate_device();
if (ts->input_dev == NULL) {
ret = -ENOMEM;
dev_err(&client->dev, "Failed to allocate input device\n");
goto err_input_dev_alloc_failed;
}
ts->input_dev->name = "atmel-touchscreen";
set_bit(EV_SYN, ts->input_dev->evbit);
set_bit(EV_KEY, ts->input_dev->evbit);
set_bit(BTN_TOUCH, ts->input_dev->keybit);
set_bit(BTN_2, ts->input_dev->keybit);
set_bit(EV_ABS, ts->input_dev->evbit);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X,
ts->abs_x_min, ts->abs_x_max, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y,
ts->abs_y_min, ts->abs_y_max, 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR,
ts->abs_pressure_min, ts->abs_pressure_max,
0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR,
ts->abs_width_min, ts->abs_width_max, 0, 0);
#ifndef CONFIG_TOUCHSCREEN_COMPATIBLE_REPORT
input_set_abs_params(ts->input_dev, ABS_MT_AMPLITUDE,
0, ((ts->abs_pressure_max << 16) | ts->abs_width_max), 0, 0);
input_set_abs_params(ts->input_dev, ABS_MT_POSITION,
0, ((1 << 31) | (ts->abs_x_max << 16) | ts->abs_y_max), 0, 0);
#endif
ret = input_register_device(ts->input_dev);
if (ret) {
dev_err(&client->dev,
"atmel_ts_probe: Unable to register %s input device\n",
ts->input_dev->name);
goto err_input_register_device_failed;
}
ret = request_irq(client->irq, atmel_ts_irq_handler, IRQF_TRIGGER_LOW,
client->name, ts);
if (ret)
dev_err(&client->dev, "request_irq failed\n");
#ifdef CONFIG_HAS_EARLYSUSPEND
ts->early_suspend.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1;
ts->early_suspend.suspend = atmel_ts_early_suspend;
ts->early_suspend.resume = atmel_ts_late_resume;
register_early_suspend(&ts->early_suspend);
#endif
private_ts = ts;
#ifdef ATMEL_EN_SYSFS
atmel_touch_sysfs_init();
#endif
dev_info(&client->dev, "Start touchscreen %s in interrupt mode\n",
ts->input_dev->name);
usb_register_notifier(&cable_status_handler);
return 0;
err_input_register_device_failed:
input_free_device(ts->input_dev);
err_input_dev_alloc_failed:
err_alloc_failed:
err_detect_failed:
err_power_failed:
destroy_workqueue(ts->atmel_wq);
err_cread_wq_failed:
kfree(ts);
err_alloc_data_failed:
err_check_functionality_failed:
return ret;
}
static int atmel_ts_remove(struct i2c_client *client)
{
struct atmel_ts_data *ts = i2c_get_clientdata(client);
#ifdef ATMEL_EN_SYSFS
atmel_touch_sysfs_deinit();
#endif
unregister_early_suspend(&ts->early_suspend);
free_irq(client->irq, ts);
destroy_workqueue(ts->atmel_wq);
input_unregister_device(ts->input_dev);
kfree(ts);
return 0;
}
static int atmel_ts_suspend(struct i2c_client *client, pm_message_t mesg)
{
int ret;
struct atmel_ts_data *ts = i2c_get_clientdata(client);
printk(KERN_INFO "%s: enter\n", __func__);
disable_irq(client->irq);
ret = cancel_work_sync(&ts->work);
if (ret)
enable_irq(client->irq);
ts->finger_pressed = 0;
ts->finger_count = 0;
ts->first_pressed = 0;
i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_POWERCONFIG_T7), 0x0);
i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_POWERCONFIG_T7) + 1, 0x0);
return 0;
}
static int atmel_ts_resume(struct i2c_client *client)
{
struct atmel_ts_data *ts = i2c_get_clientdata(client);
i2c_atmel_write(ts->client, get_object_address(ts, GEN_POWERCONFIG_T7),
ts->config_setting[ts->status].config_T7, get_object_size(ts, GEN_POWERCONFIG_T7));
if (ts->config_setting[1].config[0] && ts->status && !check_delta(ts)) {
ts->calibration_confirm = 2;
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 6,
ts->config_setting[ts->status].config_T8[6]);
i2c_atmel_write_byte_data(ts->client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 7,
ts->config_setting[ts->status].config_T8[7]);
} else {
ts->calibration_confirm = 0;
i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_COMMANDPROCESSOR_T6) + 2, 0x55);
i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 6, 0x0);
i2c_atmel_write_byte_data(client,
get_object_address(ts, GEN_ACQUISITIONCONFIG_T8) + 7, 0x0);
}
enable_irq(client->irq);
return 0;
}
#ifdef CONFIG_HAS_EARLYSUSPEND
static void atmel_ts_early_suspend(struct early_suspend *h)
{
struct atmel_ts_data *ts;
ts = container_of(h, struct atmel_ts_data, early_suspend);
atmel_ts_suspend(ts->client, PMSG_SUSPEND);
}
static void atmel_ts_late_resume(struct early_suspend *h)
{
struct atmel_ts_data *ts;
ts = container_of(h, struct atmel_ts_data, early_suspend);
atmel_ts_resume(ts->client);
}
#endif
static const struct i2c_device_id atml_ts_i2c_id[] = {
{ ATMEL_QT602240_NAME, 0 },
{ }
};
static struct i2c_driver atmel_ts_driver = {
.id_table = atml_ts_i2c_id,
.probe = atmel_ts_probe,
.remove = atmel_ts_remove,
#ifndef CONFIG_HAS_EARLYSUSPEND
.suspend = atmel_ts_suspend,
.resume = atmel_ts_resume,
#endif
.driver = {
.name = ATMEL_QT602240_NAME,
},
};
static int __devinit atmel_ts_init(void)
{
printk(KERN_INFO "atmel_ts_init():\n");
return i2c_add_driver(&atmel_ts_driver);
}
static void __exit atmel_ts_exit(void)
{
i2c_del_driver(&atmel_ts_driver);
}
module_init(atmel_ts_init);
module_exit(atmel_ts_exit);
MODULE_DESCRIPTION("ATMEL Touch driver");
MODULE_LICENSE("GPL");
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