ssize_t gpu_busy_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char time_consumed_str[INPUT_BUFFER_SIZE_32] = {0};
char time_elapsed_str[INPUT_BUFFER_SIZE_32] = {0};
unsigned int time_consumed = 0;
unsigned int time_elapsed = 0;
char input_buffer[INPUT_BUFFER_SIZE_32];
int status = 0;
status = open_file_and_read_buffer(GPU_MAX_CLOCK, input_buffer, INPUT_BUFFER_SIZE_32);
if (status != SRUK_TRUE)
{
return sprintf(buf, "-1");
}
/* ************************************ */
/* Parse input to find utilization ratio.
* This is target specific.
* kgsl drive outputs utilzation in terms of
* elapsed time using "%7d %7d"
* */
/* ************************************ */
strncpy(time_consumed_str, input_buffer, 7);
strncpy(time_elapsed_str, input_buffer+8, 7);
time_consumed = atoi_ignore_space(time_consumed_str);
time_elapsed = atoi_ignore_space(time_elapsed_str);
return sprintf(buf, "%d\n", ((time_consumed*100)/time_elapsed));
}
ssize_t gpu_version_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char version_major_str[INPUT_BUFFER_SIZE_16] = {0};
char version_minor_str[INPUT_BUFFER_SIZE_16] = {0};
unsigned int version_major = 0, version_minor = 0;
char input_buffer[INPUT_BUFFER_SIZE_128];
int status = 0;
status = open_file_and_read_buffer(GPU_VERSION, input_buffer, INPUT_BUFFER_SIZE_128);
if (status != SRUK_TRUE)
{
return sprintf(buf, "-1");
}
/* ************************************ */
/* Parse input to find gpu version.
* This is target specific.
* The driver gives information in following
* format:
* MAJOR=242
* MINOR=0
* DEVNAME=kgsl-3d0
* */
/* ************************************ */
strncpy(version_major_str, input_buffer+6, 5);
strncpy(version_minor_str, input_buffer+17, 5);
version_major = atoi_ignore_space(version_major_str);
version_minor = atoi_ignore_space(version_minor_str);
return sprintf(buf, "%d.%d\n", version_major, version_minor);
}
ssize_t gpu_max_clock_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char input_buffer[INPUT_BUFFER_SIZE_32];
int status = 0;
status = open_file_and_read_buffer(GPU_MAX_CLOCK, input_buffer, INPUT_BUFFER_SIZE_32);
if (status == SRUK_TRUE)
{
return sprintf(buf, "%s", input_buffer);
}
else
{
return sprintf(buf, "-1");
}
}
ssize_t gpu_available_governor_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char input_buffer[INPUT_BUFFER_SIZE_256];
int status = 0;
status = open_file_and_read_buffer(GPU_AVAIL_GOVERNOR, input_buffer, INPUT_BUFFER_SIZE_256);
if (status == SRUK_TRUE)
{
return sprintf(buf, "%s", input_buffer);
}
else
{
return sprintf(buf, "-1");
}
}
ssize_t gpu_freq_table_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char input_buffer[INPUT_BUFFER_SIZE_128];
int status = 0;
status = open_file_and_read_buffer(GPU_FREQ_TABLE, input_buffer, INPUT_BUFFER_SIZE_128);
if (status == SRUK_TRUE)
{
return sprintf(buf, "%s", input_buffer);
}
else
{
return sprintf(buf, "-1");
}
}
ssize_t gpu_model_show(struct device *dev, struct device_attribute *attr, char *buf)
{
char input_buffer[INPUT_BUFFER_SIZE_128];
int status = 0;
char *parse_pointer = input_buffer;
int char_counter = 0, equal_char_counter = 0;
status = open_file_and_read_buffer(GPU_VERSION, input_buffer, INPUT_BUFFER_SIZE_128);
if (status != SRUK_TRUE)
{
return sprintf(buf, "-1");
}
/* ************************************ */
/* Parse input to find gpu version.
* This is target specific.
* The driver gives information in following
* format:
* MAJOR=242
* MINOR=0
* DEVNAME=kgsl-3d0
* */
/* ************************************ */
while (*parse_pointer != '\0')
{
/* Look for '='. */
if (*parse_pointer == '=')
{
equal_char_counter++;
}
/* */
parse_pointer++;
char_counter++;
if (equal_char_counter == 3)
{
break;
}
}
/* Copy the model string to the output string.*/
return sprintf(buf, "%s\n", input_buffer+char_counter);
}
