static int get_sys_all_cpu_freq_info(void)
{
int i;
int cpu_total_dmips = 0;
for (i=0 ; i<NO_CPU_CORES ; i++)
{
cpufreqs[i] = cpufreq_quick_get(i)/1000; // MHz
cpu_total_dmips += cpufreqs[i];
}
cpu_total_dmips /= 1000;
// TODO: think a way to easy start and stop, and start for only once
if (1 == check_dmips_limit)
{
if (cpu_total_dmips > mtktscpu_limited_dmips)
{
THRML_ERROR_LOG("cpu %d over limit %d\n", cpu_total_dmips, mtktscpu_limited_dmips);
if (dmips_limit_warned == false)
{
aee_kernel_warning("thermal", "cpu %d over limit %d\n", cpu_total_dmips, mtktscpu_limited_dmips);
dmips_limit_warned = true;
}
}
}
return 0;
}
static ssize_t mtk_thermal_validation_wr(struct file *file, const char __user *buffer, size_t count, loff_t *data)
{
char desc[32];
int check_switch;
int len = 0;
len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
if (copy_from_user(desc, buffer, len))
{
return 0;
}
desc[len] = '\0';
if (sscanf(desc, "%d", &check_switch) == 1)
{
if (1 == check_switch)
{
dmips_limit_warned = false;
check_dmips_limit = check_switch;
}
else if (0 == check_switch)
{
check_dmips_limit = check_switch;
}
return count;
}
else
{
THRML_ERROR_LOG("[mtk_thermal_validation_wr] bad argument\n");
}
return -EINVAL;
}
/* Init */
static int __init mtk_thermal_platform_init(void)
{
int err = 0;
struct proc_dir_entry *entry;
entry = proc_create("driver/tm_validation", S_IRUGO | S_IWUSR, NULL, &mtk_thermal_validation_fops);
if (!entry)
{
THRML_ERROR_LOG("[mtk_thermal_platform_init] Can not create /proc/driver/tm_validation\n");
}
return err;
}
static int get_sys_all_cpu_freq_info(void)
{
int nCPU_freq_temp, i;
char szTempBuf[512];
int cpu_total_dmips = 0;
for(i=0 ; i<NUMBER_OF_CORE ; i++)
{
sprintf(szTempBuf, "/sys/devices/system/cpu/cpu%01d/cpufreq/cpuinfo_cur_freq", i);
nCPU_freq_temp = get_sys_cpu_freq_info(szTempBuf, 3);
if(nCPU_freq_temp > 0)
{
cpufreqs[i] = nCPU_freq_temp/1000;
cpu_total_dmips += nCPU_freq_temp;
}
else
{
/* CPU is unplug now */
cpufreqs[i] = nCPU_freq_temp*10;
}
}
cpu_total_dmips /= 1000;
// TODO: think a way to easy start and stop, and start for only once
if (1 == check_dmips_limit)
{
if (cpu_total_dmips > mtktscpu_limited_dmips)
{
THRML_ERROR_LOG("cpu %d over limit %d\n", cpu_total_dmips, mtktscpu_limited_dmips);
if (dmips_limit_warned == false)
{
aee_kernel_warning("thermal", "cpu %d over limit %d\n", cpu_total_dmips, mtktscpu_limited_dmips);
dmips_limit_warned = true;
}
}
}
return 0;
}
