690 lines
20 KiB
C
Executable file
690 lines
20 KiB
C
Executable file
/*
|
|
* sec_tsp_log.c
|
|
*
|
|
* driver supporting debug functions for Samsung touch device
|
|
*
|
|
* COPYRIGHT(C) Samsung Electronics Co., Ltd. 2006-2011 All Right Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "sec_input.h"
|
|
#include "sec_tsp_log.h"
|
|
|
|
static int sec_tsp_log_index;
|
|
static int sec_tsp_log_index_fix;
|
|
static int sec_tsp_log_index_full;
|
|
static char *sec_tsp_log_buf;
|
|
static unsigned int sec_tsp_log_size;
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
static int sec_tsp_raw_data_index_main;
|
|
static int sec_tsp_raw_data_index_sub;
|
|
static char *sec_tsp_raw_data_buf;
|
|
static unsigned int sec_tsp_raw_data_size;
|
|
#else
|
|
static int sec_tsp_raw_data_index;
|
|
static int sec_tsp_raw_data_index_full;
|
|
static char *sec_tsp_raw_data_buf;
|
|
static unsigned int sec_tsp_raw_data_size;
|
|
#endif
|
|
|
|
static int sec_tsp_command_history_index;
|
|
static int sec_tsp_command_history_index_full;
|
|
static char *sec_tsp_command_history_buf;
|
|
static unsigned int sec_tsp_command_history_size;
|
|
|
|
/* Sponge Infinite dump */
|
|
static int sec_tsp_sponge_log_index;
|
|
static int sec_tsp_sponge_log_index_full;
|
|
static char *sec_tsp_sponge_log_buf;
|
|
static unsigned int sec_tsp_sponge_log_size;
|
|
|
|
static struct mutex tsp_log_mutex;
|
|
|
|
void sec_tsp_sponge_log(char *buf)
|
|
{
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_sponge_log_size || !sec_tsp_sponge_log_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
idx = sec_tsp_sponge_log_index;
|
|
size = strlen(buf);
|
|
total_size = size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_sponge_log_size) {
|
|
len = scnprintf(&sec_tsp_sponge_log_buf[0], total_size, "%s ", buf);
|
|
sec_tsp_sponge_log_index_full = sec_tsp_sponge_log_index;
|
|
sec_tsp_sponge_log_index = len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_sponge_log_buf[idx], total_size, "%s ", buf);
|
|
sec_tsp_sponge_log_index += len;
|
|
sec_tsp_sponge_log_index_full = max(sec_tsp_sponge_log_index, sec_tsp_sponge_log_index_full);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_tsp_sponge_log);
|
|
|
|
static ssize_t sec_tsp_sponge_log_read(struct file *file, char __user *buf,
|
|
size_t len, loff_t *offset)
|
|
{
|
|
loff_t pos = *offset;
|
|
ssize_t count;
|
|
|
|
if (!sec_tsp_sponge_log_buf)
|
|
return 0;
|
|
|
|
if (pos >= sec_tsp_sponge_log_index_full)
|
|
return 0;
|
|
|
|
count = min_t(size_t, len, sec_tsp_sponge_log_index_full - pos);
|
|
if (copy_to_user(buf, sec_tsp_sponge_log_buf + pos, count))
|
|
return -EFAULT;
|
|
|
|
*offset += count;
|
|
return count;
|
|
}
|
|
|
|
static size_t sec_tsp_log_timestamp(unsigned long idx, char *tbuf)
|
|
{
|
|
/* Add the current time stamp */
|
|
unsigned long long t;
|
|
unsigned long nanosec_rem;
|
|
|
|
t = local_clock();
|
|
nanosec_rem = do_div(t, 1000000000);
|
|
|
|
snprintf(tbuf, SEC_TSP_LOG_TIMESTAMP_SIZE, "[%5lu.%06lu] ", (unsigned long)t, nanosec_rem / 1000);
|
|
|
|
return strlen(tbuf);
|
|
}
|
|
|
|
#define TSP_BUF_SIZE 512
|
|
void sec_debug_tsp_log(char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[TSP_BUF_SIZE];
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
unsigned long size;
|
|
size_t time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_log_size)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
|
|
idx = sec_tsp_log_index;
|
|
size = strlen(buf);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_log_size) {
|
|
if (sec_tsp_log_index_fix + total_size >= sec_tsp_log_size) {
|
|
mutex_unlock(&tsp_log_mutex);
|
|
return;
|
|
}
|
|
len = scnprintf(&sec_tsp_log_buf[sec_tsp_log_index_fix], total_size, "%s%s\n", tbuf, buf);
|
|
sec_tsp_log_index_full = sec_tsp_log_index;
|
|
sec_tsp_log_index = sec_tsp_log_index_fix + len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_log_buf[idx], total_size, "%s%s\n", tbuf, buf);
|
|
sec_tsp_log_index += len;
|
|
sec_tsp_log_index_full = max(sec_tsp_log_index_full, sec_tsp_log_index);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_log);
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
void sec_debug_tsp_raw_data(char *fmt, ...)
|
|
{
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_raw_data);
|
|
#else
|
|
void sec_debug_tsp_raw_data(char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[TSP_BUF_SIZE];
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
unsigned long size;
|
|
size_t time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_raw_data_size || !sec_tsp_raw_data_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
|
|
idx = sec_tsp_raw_data_index;
|
|
size = strlen(buf);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_raw_data_size) {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[0], total_size, "%s%s\n", tbuf, buf);
|
|
sec_tsp_raw_data_index_full = sec_tsp_raw_data_index;
|
|
sec_tsp_raw_data_index = len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[idx], total_size, "%s%s\n", tbuf, buf);
|
|
sec_tsp_raw_data_index += len;
|
|
sec_tsp_raw_data_index_full = max(sec_tsp_raw_data_index, sec_tsp_raw_data_index_full);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_raw_data);
|
|
#endif
|
|
|
|
void sec_debug_tsp_log_msg(char *msg, char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[TSP_BUF_SIZE];
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, size_dev_name, time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_log_size)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
|
|
idx = sec_tsp_log_index;
|
|
size = strlen(buf);
|
|
size_dev_name = strlen(msg);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + size_dev_name + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_log_size) {
|
|
if (sec_tsp_log_index_fix + total_size >= sec_tsp_log_size) {
|
|
mutex_unlock(&tsp_log_mutex);
|
|
return;
|
|
}
|
|
len = scnprintf(&sec_tsp_log_buf[sec_tsp_log_index_fix], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_log_index_full = sec_tsp_log_index;
|
|
sec_tsp_log_index = sec_tsp_log_index_fix + len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_log_buf[idx], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_log_index += len;
|
|
sec_tsp_log_index_full = max(sec_tsp_log_index_full, sec_tsp_log_index);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_log_msg);
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
void sec_debug_tsp_raw_data_msg(char mode, char *msg, char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[TSP_BUF_SIZE];
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, size_dev_name, time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_raw_data_size || !sec_tsp_raw_data_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
|
|
if (mode == MAIN_TOUCH) {
|
|
idx = sec_tsp_raw_data_index_main;
|
|
} else if (mode == SUB_TOUCH) {
|
|
idx = sec_tsp_raw_data_index_sub;
|
|
} else {
|
|
mutex_unlock(&tsp_log_mutex);
|
|
return;
|
|
}
|
|
|
|
size = strlen(buf);
|
|
size_dev_name = strlen(msg);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + size_dev_name + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
if (mode == MAIN_TOUCH) {
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= (sec_tsp_raw_data_size / 2)) {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[0], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index_main = len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[idx], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index_main += len;
|
|
}
|
|
} else if (mode == SUB_TOUCH) {
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_raw_data_size) {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[sec_tsp_raw_data_size / 2],
|
|
total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index_sub = sec_tsp_raw_data_size / 2 + len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[idx], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index_sub += len;
|
|
}
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_raw_data_msg);
|
|
#else
|
|
void sec_debug_tsp_raw_data_msg(char *msg, char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
char buf[TSP_BUF_SIZE];
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, size_dev_name, time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_raw_data_size || !sec_tsp_raw_data_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, args);
|
|
va_end(args);
|
|
|
|
idx = sec_tsp_raw_data_index;
|
|
size = strlen(buf);
|
|
size_dev_name = strlen(msg);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + size_dev_name + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_raw_data_size) {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[0], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index_full = sec_tsp_raw_data_index;
|
|
sec_tsp_raw_data_index = len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_raw_data_buf[idx], total_size, "%s%s : %s", tbuf, msg, buf);
|
|
sec_tsp_raw_data_index += len;
|
|
sec_tsp_raw_data_index_full = max(sec_tsp_raw_data_index, sec_tsp_raw_data_index_full);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_raw_data_msg);
|
|
#endif
|
|
|
|
void sec_debug_tsp_command_history(char *buf)
|
|
{
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_command_history_size || !sec_tsp_command_history_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
idx = sec_tsp_command_history_index;
|
|
size = strlen(buf);
|
|
total_size = size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_command_history_size) {
|
|
len = scnprintf(&sec_tsp_command_history_buf[0], total_size, "%s ", buf);
|
|
sec_tsp_command_history_index_full = sec_tsp_command_history_index;
|
|
sec_tsp_command_history_index = len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_command_history_buf[idx], total_size, "%s ", buf);
|
|
sec_tsp_command_history_index += len;
|
|
sec_tsp_command_history_index_full = max(sec_tsp_command_history_index,
|
|
sec_tsp_command_history_index_full);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_debug_tsp_command_history);
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
void sec_tsp_raw_data_clear(char mode)
|
|
{
|
|
if (!sec_tsp_raw_data_size || !sec_tsp_raw_data_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
if (mode == MAIN_TOUCH) {
|
|
sec_tsp_raw_data_index_main = 0;
|
|
memset(sec_tsp_raw_data_buf, 0x00, sec_tsp_raw_data_size / 2);
|
|
} else if (mode == SUB_TOUCH) {
|
|
sec_tsp_raw_data_index_sub = sec_tsp_raw_data_size / 2;
|
|
memset(sec_tsp_raw_data_buf + sec_tsp_raw_data_index_sub, 0x00, sec_tsp_raw_data_size / 2);
|
|
}
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_tsp_raw_data_clear);
|
|
#else
|
|
void sec_tsp_raw_data_clear(void)
|
|
{
|
|
if (!sec_tsp_raw_data_size || !sec_tsp_raw_data_buf)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
sec_tsp_raw_data_index = 0;
|
|
sec_tsp_raw_data_index_full = 0;
|
|
memset(sec_tsp_raw_data_buf, 0x00, sec_tsp_raw_data_size);
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_tsp_raw_data_clear);
|
|
#endif
|
|
|
|
void sec_tsp_log_fix(void)
|
|
{
|
|
char *buf = "FIX LOG!\n";
|
|
char tbuf[SEC_TSP_LOG_TIMESTAMP_SIZE];
|
|
int len = 0;
|
|
unsigned int idx;
|
|
size_t size, time_size, total_size;
|
|
|
|
/* In case of sec_tsp_log_setup is failed */
|
|
if (!sec_tsp_log_size)
|
|
return;
|
|
|
|
mutex_lock(&tsp_log_mutex);
|
|
idx = sec_tsp_log_index;
|
|
size = strlen(buf);
|
|
time_size = sec_tsp_log_timestamp(idx, tbuf);
|
|
total_size = size + time_size + SEC_TSP_LOG_EXTRA_SIZE;
|
|
|
|
/* Overflow buffer size */
|
|
if (idx + total_size >= sec_tsp_log_size) {
|
|
if (sec_tsp_log_index_fix + total_size >= sec_tsp_log_size) {
|
|
mutex_unlock(&tsp_log_mutex);
|
|
return;
|
|
}
|
|
len = scnprintf(&sec_tsp_log_buf[sec_tsp_log_index_fix], total_size, "%s%s", tbuf, buf);
|
|
sec_tsp_log_index = sec_tsp_log_index_fix + len;
|
|
} else {
|
|
len = scnprintf(&sec_tsp_log_buf[idx], total_size, "%s%s", tbuf, buf);
|
|
sec_tsp_log_index += len;
|
|
}
|
|
sec_tsp_log_index_fix = sec_tsp_log_index;
|
|
sec_tsp_log_index_full = max(sec_tsp_log_index_full, sec_tsp_log_index);
|
|
mutex_unlock(&tsp_log_mutex);
|
|
}
|
|
EXPORT_SYMBOL(sec_tsp_log_fix);
|
|
|
|
static ssize_t sec_tsp_log_write(struct file *file,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
char *page = NULL;
|
|
ssize_t ret;
|
|
int new_value;
|
|
|
|
if (!sec_tsp_log_buf)
|
|
return 0;
|
|
|
|
ret = -EINVAL;
|
|
if (count >= PAGE_SIZE)
|
|
return ret;
|
|
|
|
ret = -ENOMEM;
|
|
page = (char *)get_zeroed_page(GFP_KERNEL | __GFP_COMP);
|
|
if (!page)
|
|
return ret;
|
|
|
|
ret = -EFAULT;
|
|
if (copy_from_user(page, buf, count))
|
|
goto out;
|
|
|
|
ret = -EINVAL;
|
|
if (sscanf(page, "%u", &new_value) != 1) {
|
|
pr_info("%s %s\n", SECLOG, page);
|
|
/* print tsp_log to sec_tsp_log_buf */
|
|
sec_debug_tsp_log("%s", page);
|
|
}
|
|
ret = count;
|
|
out:
|
|
free_page((unsigned long)page);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t sec_tsp_raw_data_write(struct file *file,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
char *page = NULL;
|
|
ssize_t ret;
|
|
int new_value;
|
|
|
|
if (!sec_tsp_raw_data_buf)
|
|
return 0;
|
|
|
|
ret = -EINVAL;
|
|
if (count >= PAGE_SIZE)
|
|
return ret;
|
|
|
|
ret = -ENOMEM;
|
|
page = (char *)get_zeroed_page(GFP_KERNEL | __GFP_COMP);
|
|
if (!page)
|
|
return ret;
|
|
|
|
ret = -EFAULT;
|
|
if (copy_from_user(page, buf, count))
|
|
goto out;
|
|
|
|
ret = -EINVAL;
|
|
if (sscanf(page, "%u", &new_value) != 1) {
|
|
pr_info("%s %s\n", SECLOG, page);
|
|
sec_debug_tsp_raw_data("%s", page);
|
|
}
|
|
ret = count;
|
|
out:
|
|
free_page((unsigned long)page);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t sec_tsp_log_read(struct file *file, char __user *buf,
|
|
size_t len, loff_t *offset)
|
|
{
|
|
loff_t pos = *offset;
|
|
ssize_t count;
|
|
|
|
if (!sec_tsp_log_buf)
|
|
return 0;
|
|
|
|
if (pos >= sec_tsp_log_index_full)
|
|
return 0;
|
|
|
|
count = min_t(size_t, len, sec_tsp_log_index_full - pos);
|
|
if (copy_to_user(buf, sec_tsp_log_buf + pos, count))
|
|
return -EFAULT;
|
|
|
|
*offset += count;
|
|
return count;
|
|
}
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
static ssize_t sec_tsp_raw_data_read(struct file *file, char __user *buf,
|
|
size_t len, loff_t *offset)
|
|
{
|
|
loff_t pos = *offset;
|
|
ssize_t count;
|
|
int pos_range;
|
|
|
|
if (!sec_tsp_raw_data_buf)
|
|
return 0;
|
|
|
|
pos_range = sec_tsp_raw_data_index_main + (sec_tsp_raw_data_index_sub - (sec_tsp_raw_data_size / 2));
|
|
if (pos_range < 0)
|
|
return 0;
|
|
if (pos >= pos_range)
|
|
return 0;
|
|
|
|
if (pos < sec_tsp_raw_data_index_main) {
|
|
count = min_t(size_t, len, sec_tsp_raw_data_index_main - pos);
|
|
if (copy_to_user(buf, sec_tsp_raw_data_buf + pos, count))
|
|
return -EFAULT;
|
|
} else {
|
|
count = min_t(size_t, len, sec_tsp_raw_data_index_sub - (sec_tsp_raw_data_size / 2)
|
|
- (pos - sec_tsp_raw_data_index_main));
|
|
if (copy_to_user(buf, &sec_tsp_raw_data_buf[sec_tsp_raw_data_size / 2] + (pos - sec_tsp_raw_data_index_main), count))
|
|
return -EFAULT;
|
|
}
|
|
|
|
*offset += count;
|
|
return count;
|
|
}
|
|
#else
|
|
static ssize_t sec_tsp_raw_data_read(struct file *file, char __user *buf,
|
|
size_t len, loff_t *offset)
|
|
{
|
|
loff_t pos = *offset;
|
|
ssize_t count;
|
|
|
|
if (!sec_tsp_raw_data_buf)
|
|
return 0;
|
|
|
|
if (pos >= sec_tsp_raw_data_index_full)
|
|
return 0;
|
|
|
|
count = min_t(size_t, len, sec_tsp_raw_data_index_full - pos);
|
|
if (copy_to_user(buf, sec_tsp_raw_data_buf + pos, count))
|
|
return -EFAULT;
|
|
|
|
*offset += count;
|
|
return count;
|
|
}
|
|
#endif
|
|
|
|
static ssize_t sec_tsp_command_history_read(struct file *file, char __user *buf,
|
|
size_t len, loff_t *offset)
|
|
{
|
|
loff_t pos = *offset;
|
|
ssize_t count;
|
|
|
|
if (!sec_tsp_command_history_buf)
|
|
return 0;
|
|
|
|
if (pos >= sec_tsp_command_history_index_full)
|
|
return 0;
|
|
|
|
count = min_t(size_t, len, sec_tsp_command_history_index_full - pos);
|
|
if (copy_to_user(buf, sec_tsp_command_history_buf + pos, count))
|
|
return -EFAULT;
|
|
|
|
*offset += count;
|
|
return count;
|
|
}
|
|
|
|
static sec_input_proc_ops(THIS_MODULE, tsp_msg_file_ops, sec_tsp_log_read, sec_tsp_log_write);
|
|
static sec_input_proc_ops(THIS_MODULE, tsp_raw_data_file_ops, sec_tsp_raw_data_read, sec_tsp_raw_data_write);
|
|
static sec_input_proc_ops(THIS_MODULE, tsp_command_history_file_ops, sec_tsp_command_history_read, NULL);
|
|
static sec_input_proc_ops(THIS_MODULE, tsp_sponge_log_file_ops, sec_tsp_sponge_log_read, NULL);
|
|
|
|
static int __init sec_tsp_log_init(void)
|
|
{
|
|
struct proc_dir_entry *entry_tsp_msg, *entry_tsp_raw_data, *entry_tsp_cmd_hist, *entry_tsp_sponge_log;
|
|
char *vaddr_tsp_log, *vaddr_tsp_raw_data, *vaddr_tsp_command_history, *vaddr_tsp_sponge_log;
|
|
|
|
pr_info("%s %s: init start\n", SECLOG, __func__);
|
|
|
|
mutex_init(&tsp_log_mutex);
|
|
|
|
sec_tsp_log_size = SEC_TSP_LOG_BUF_SIZE;
|
|
vaddr_tsp_log = kmalloc(sec_tsp_log_size, GFP_KERNEL | __GFP_COMP);
|
|
if (!vaddr_tsp_log) {
|
|
pr_info("%s %s: ERROR! vaddr_tsp_log alloc failed!\n", SECLOG, __func__);
|
|
}
|
|
sec_tsp_log_buf = vaddr_tsp_log;
|
|
|
|
sec_tsp_raw_data_size = SEC_TSP_RAW_DATA_BUF_SIZE;
|
|
vaddr_tsp_raw_data = kmalloc(sec_tsp_raw_data_size, GFP_KERNEL | __GFP_COMP);
|
|
if (!vaddr_tsp_raw_data) {
|
|
pr_info("%s %s: ERROR! vaddr_tsp_raw_data alloc failed!\n", SECLOG, __func__);
|
|
}
|
|
sec_tsp_raw_data_buf = vaddr_tsp_raw_data;
|
|
|
|
#if IS_ENABLED(CONFIG_TOUCHSCREEN_DUAL_FOLDABLE)
|
|
sec_tsp_raw_data_index_sub = (sec_tsp_raw_data_size / 2);
|
|
#endif
|
|
|
|
sec_tsp_command_history_size = SEC_TSP_COMMAND_HISTORY_BUF_SIZE;
|
|
vaddr_tsp_command_history = kmalloc(sec_tsp_command_history_size, GFP_KERNEL | __GFP_COMP);
|
|
if (!vaddr_tsp_command_history) {
|
|
pr_info("%s %s: ERROR! vaddr_tsp_command_history alloc failed!\n", SECLOG, __func__);
|
|
}
|
|
sec_tsp_command_history_buf = vaddr_tsp_command_history;
|
|
|
|
sec_tsp_sponge_log_size = SEC_TSP_SPONGE_LOG_BUF_SIZE;
|
|
vaddr_tsp_sponge_log = kmalloc(sec_tsp_sponge_log_size, GFP_KERNEL | __GFP_COMP);
|
|
if (!vaddr_tsp_sponge_log) {
|
|
pr_info("%s %s: ERROR! vaddr_tsp_sponge_log alloc failed!\n", SECLOG, __func__);
|
|
}
|
|
sec_tsp_sponge_log_buf = vaddr_tsp_sponge_log;
|
|
|
|
if (sec_tsp_log_buf) {
|
|
entry_tsp_msg = proc_create("tsp_msg", S_IFREG | S_IRUSR | S_IRGRP,
|
|
NULL, &tsp_msg_file_ops);
|
|
if (!entry_tsp_msg)
|
|
pr_err("%s %s: failed to create proc entry of tsp_msg\n", SECLOG, __func__);
|
|
}
|
|
|
|
if (sec_tsp_raw_data_buf) {
|
|
entry_tsp_raw_data = proc_create("tsp_raw_data", S_IFREG | 0444,
|
|
NULL, &tsp_raw_data_file_ops);
|
|
if (!entry_tsp_raw_data)
|
|
pr_err("%s %s: failed to create proc entry of tsp_raw_data\n", SECLOG, __func__);
|
|
}
|
|
|
|
if (sec_tsp_command_history_buf) {
|
|
entry_tsp_cmd_hist = proc_create("tsp_cmd_hist", S_IFREG | 0444,
|
|
NULL, &tsp_command_history_file_ops);
|
|
if (!entry_tsp_cmd_hist)
|
|
pr_err("%s %s: failed to create proc entry of tsp_command_history\n", SECLOG, __func__);
|
|
}
|
|
|
|
if (sec_tsp_sponge_log_buf) {
|
|
entry_tsp_sponge_log = proc_create("tsp_sponge_log", S_IFREG | 0444,
|
|
NULL, &tsp_sponge_log_file_ops);
|
|
if (!entry_tsp_sponge_log)
|
|
pr_err("%s %s: failed to create proc entry of tsp_sponge_log\n", SECLOG, __func__);
|
|
}
|
|
|
|
pr_info("%s %s: init done\n", SECLOG, __func__);
|
|
|
|
return 0;
|
|
}
|
|
fs_initcall(sec_tsp_log_init); /* earlier than device_initcall */
|
|
|
|
MODULE_DESCRIPTION("Samsung debug sysfs for Input module");
|
|
MODULE_LICENSE("GPL");
|